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Journal articles on the topic 'Rubber latex'

Author: Grafiati

Published: 4 June 2025

Last updated: 1 August 2025

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1

Valentina, Ayu, Yohanes Hendro Agus, and Maria Marina Herawati. "STUDY OF PINEAPPLE EXOCARP, GADUNG TUBER AND LIQUID OF PULP COCOA FERMENTATION AS LATEX COAGULANTS TOWARD RUBBER QUALITY." Agric 32, no. 1 (2020): 1–12. http://dx.doi.org/10.24246/agric.2020.v32.i1.p1-12.

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Some rubber farmers in Indonesia use un-recommended latex coagulant and it causes bad quality of rubber. The utilization of organic latex coagulants has the potential way to improve rubber quality. The aim of this study was to determine the effect of pineapple exocarp extract, gadung tuber extract and liquid of pulp cocoa fermentation as latex coagulants toward rubber quality. The study was using Randomized Completely Block Design with six treatments and four replications the treatments tested was 10 ml and 20 ml pineapple exocarp extract, 10 ml and 20 ml gadung extract and 10 ml and 20 ml liq

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2

Sedykh, V. A., O. V. Karmanova, and E. V. Koroleva. "Modification of nitrile butadiene rubber at the stage of its allocation." Proceedings of the Voronezh State University of Engineering Technologies 80, no. 3 (2018): 323–29. http://dx.doi.org/10.20914/2310-1202-2018-3-323-329.

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Search for additives that increase the wear resistance of rubbers is relevant. It is known that the introduction of hollow corundum microspheres (NCM) into rubber reduces the wear of rubber products. The uniform distribution of small amounts of microspheres in rubber by traditional "dry" mixing in a rubber mixer or on rollers is difficult. Microspheres were introduced into rubber at the stage of its separation from latex. The work consisted in the selection of thickeners capable of holding the NSM in rubber latex SCN-18SNT at the stage of its coagulation, and evaluation of physical and mechani

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3

Sakdapipanich, Jitladda T., Kanjanee Nawamawat, and Seiichi Kawahara. "Characterization of the Large and Small Rubber Particles in Fresh Hevea Latex." Rubber Chemistry and Technology 75, no. 2 (2002): 179–85. http://dx.doi.org/10.5254/1.3544971.

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Abstract The rubbers from small and large rubber particles were separated from the serum and cream phases of centrifuged fresh Hevea latex, respectively. The small rubber particles (SRP) consist of rubber molecules showing a unimodal molecular weight distribution (MWD), with a peak-top value falling between the two peak values of the bimodal MWD observed in rubbers from the large rubber particles (LRP). The rubbers in LRP from mature trees and SRP from seedlings are polyisoprene molecules terminated by phospholipids comprising branching points, while those in SRP from mature trees are presumed

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4

Shimada, Kunio, Ryo Ikeda, Hiroshige Kikura, and Hideharu Takahashi. "Development of a Magnetic Compound Fluid Rubber Stability Sensor and a Novel Production Technique via Combination of Natural, Chloroprene and Silicone Rubbers." Sensors 19, no. 18 (2019): 3901. http://dx.doi.org/10.3390/s19183901.

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Expanding on our previous report, we investigate the stability of a magnetic compound fluid (MCF) rubber sensor that was developed for a variety of engineering applications. To stabilize this sensor, we proposed a novel combination technique that facilitates the addition of dimethylpolysiloxane (PDMS) to natural rubber (NR)-latex or chloroprene rubber (CR)-latex using polyvinyl alcohol (PVA) by experimentally and theoretically investigating issues related to instability. This technique is one of several other novel combinations of diene and non-diene rubbers. Silicone oil or rubber with PDMS c

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Shimada, Kunio, Hiroshige Kikura, Hideharu Takahashi, and Ryo Ikeda. "Novel Adhesion Technique Using Metallic or Non-Metallic Hydrous Oxide of Metal Complexes Involving Magnetic Compound Fluid Rubber under Electrolytic Polymerization and Magnetic Field for Producing Sensors." Sensors 19, no. 3 (2019): 689. http://dx.doi.org/10.3390/s19030689.

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As per sequential studies on new types of soft rubber for the artificial skin of robots, smart sensors, etc., we have proposed and investigated hybrid skin (H-Skin) and haptic sensors by using magnetic compound fluid (MCF), compounding natural rubber latex (NR-latex), and applying electric and magnetic fields. Through electrolytic polymerization, the MCF rubber is solidified. The MCF rubber has hybrid sensing functions and photovoltaic effects, and electric charge as battery. In case of the production of soft rubber sensors, however, the problem of adhesion between metal electrodes and rubber

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6

Dulina, O. A., A. D. Tarasenko, A. M. Bukanov, and A. A. Ilyin. "THE INFLUENCE OF THE METHOD OF RUBBER ISOLATION FROM LATEX ON THE PROPERTIES OF ELASTOMERIC MATERIALS BASED ON BUTADIENE-NITRILE RUBBERS." Fine Chemical Technologies 12, no. 4 (2017): 85–90. http://dx.doi.org/10.32362/2410-6593-2017-12-4-85-90.

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The properties of butadiene-nitrile rubbers obtained by various methods of synthesis and isolation from latex and rubbers based on them were studied in the article. The surface free energy of samples was determined using the Owens, Wendt, Rabel and Kaelble method. It was shown that the surface energy of elastomeric materials is affected 1) by non-rubber components, the content and nature of which are determined by the method of obtaining and isolating rubber from latex and 2) by the number of nitrile groups in the rubber macromolecule. The kinetics of vulcanization of rubber compounds based on

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7

Nikulin, S., V. Verezhnikov, T. Bulatetskaya, and N. Nikulina. "Investigation of the process of latex coagulation by cationic surfactants." Bulletin of the Karaganda University. "Chemistry" series 102, no. 2 (2021): 63–68. http://dx.doi.org/10.31489/2021ch2/63-68.

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In the articlethe estimation of coagulating ability using cationic electrolytes is shown.It was found that in the case of using low molecular weight cationic electrolyte, the completeness of the release of rubber from latex is achieved at their consumption of 20–30 kg/t of rubber. A feature of the behavior of cationic surfactants in the latex coagulation has been established. It is shown that the consumption of cationic surfactants corresponds to the consumption of polymer cationic electrolytes. Also, a hypothesis was put forwardthatcationic surfactants violate the aggregate stability of latex

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8

Chaikumpollert, Oraphin, Osamu Wakisaka, Akio Mase, Yoshimasa Yamamoto, Krisda Suchiva, and Seiichi Kawahara. "EFFECT OF DECELERATED FERMENTATION ON MORPHOLOGY AND MECHANICAL PROPERTIES OF NATURAL RUBBER LATEX." Rubber Chemistry and Technology 86, no. 4 (2013): 615–25. http://dx.doi.org/10.5254/rct.13.87968.

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ABSTRACT Decelerated fermentation of natural rubber latex was performed to investigate the relationship between the morphology and mechanical properties of natural rubber. Natural rubber latex was preserved with sodium hydroxymethylglycinate, as a bactericide, to decelerate the fermentation of nonrubber components such as proteins, phospholipids, carbohydrate, and so forth. Gradual increases in the viscosity of the latex and gel content of the resulting rubber took place as the preservation period was prolonged, which were distinguished from less change in the viscosity of high-ammonia natural

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9

Duangngam, Ornuma, Dorine Desalme, Philippe Thaler, et al. "In situ 13CO2 labelling of rubber trees reveals a seasonal shift in the contribution of the carbon sources involved in latex regeneration." Journal of Experimental Botany 71, no. 6 (2020): 2028–39. http://dx.doi.org/10.1093/jxb/erz551.

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Abstract Rubber trees (Hevea brasiliensis) are the main source of natural rubber, extracted from latex, which exudes from the trunk after tapping. Tapped trees require large amounts of carbon (C) to regenerate the latex after its collection. Knowing the contribution of C sources involved in latex biosynthesis will help in understanding how rubber trees face this additional C demand. Whole crown 13CO2 pulse labelling was performed on 4-year-old rubber trees in June, when latex production was low, and in October, when it was high. 13C content was quantified in the foliage, phloem sap, wood, and

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10

Kawahara, Seiichi, Yoshinobu Isono, Jitladda T. Sakdapipanich, Yasuyuki Tanaka, and Eng Aik-Hwee. "Effect of Gel on the Green Strength of Natural Rubber." Rubber Chemistry and Technology 75, no. 4 (2002): 739–46. http://dx.doi.org/10.5254/1.3544999.

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Abstract The outstanding properties of natural rubber, e.g., green strength and rapid crystallization, were attributed to the chemical branching that formed at both chain ends of the rubber molecule during the preservation of the latex in the presence of ammonia. The gel content of natural rubbers from various clonal origins increased during the preservation, but decreased after deproteinization of the aged latex. The crystallization of acetone-extracted rubber was slightly suppressed as the gel content increased. The increase in green strength during the preservation was studied in connection

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11

He, Simin, Fuquan Zhang, Fengshou Gu, et al. "Influence of Clones on Relationship between Natural Rubber and Size of Rubber Particles in Latex." International Journal of Molecular Sciences 23, no. 16 (2022): 8880. http://dx.doi.org/10.3390/ijms23168880.

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IAN873, Dongfang93114 and Reyan73397, created through vegetative propagation for their high yield and excellent cold resistance, are major clones planted in China. In this work, latexes with rubber particles of the same size from these clones are separated from fresh natural rubber latex, and corresponding rubber films are prepared from each latex. The structure and components of each film are measured. This indicates that the characteristics of the rubbers obtained from latexes with similar particle sizes show some resembling trends among different clones, while for specific samples, those ch

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12

INOUE, Toshihiro. "Synthetic Rubber Latex." NIPPON GOMU KYOKAISHI 80, no. 6 (2007): 218–20. http://dx.doi.org/10.2324/gomu.80.218.

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13

Yunginger, John W. "NATURAL RUBBER LATEX." Immunology and Allergy Clinics of North America 15, no. 3 (1995): 583–95. http://dx.doi.org/10.1016/s0889-8561(22)00764-0.

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14

Page, Elena H., Eric J. Esswein, Martin R. Petersen, Daniel M. Lewis, and Toni A. Bledsoe. "Natural Rubber Latex:." Journal of Occupational and Environmental Medicine 42, no. 6 (2000): 613–20. http://dx.doi.org/10.1097/00043764-200006000-00010.

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15

Hamann, Curtis P., Pamela A. Rogers, and Kim M. Sullivan. "NATURAL RUBBER LATEX." Journal of the American Dental Association 130, no. 1 (1999): 18–19. http://dx.doi.org/10.14219/jada.archive.1999.0010.

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16

Nikulina, Nadezhda S., Inna N. Pugacheva, Vyacheslav M. Misin, Viktor N. Verezhnikov, Natalia Yu Sannikova, and Sergey S. Nikulin. "EXTRACTION OF RUBBER FROM LATEX BY HYBRID COAGULANT BASED ON POLYDIMETHYLDIALLYLAMMONIUM CHLORIDE AND VISCOSE FIBER." IZVESTIYA VYSSHIKH UCHEBNYKH ZAVEDENII KHIMIYA KHIMICHESKAYA TEKHNOLOGIYA 64, no. 6 (2021): 62–68. http://dx.doi.org/10.6060/ivkkt.20216406.6356.

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In the proposed work, the possibility of using a hybrid coagulant based on a polymer cationic electrolyte-VPK – 402 (poly-N,N-dimethyl-N, N-diallylammonium chloride) in combination with viscose fiber in the technological process of separating SKS-30 ark rubber from latex is considered. The influence of the consumption of a hybrid coagulating agent, viscose fiber and its dosage, as well as the process temperature on the reduction of the aggregate stability of styrene-butadiene latex is considered. The influence of viscose fiber on the physical and mechanical properties of vulcanizates is establ

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17

Liao, Xiao Xue, Hai Sheng Tan, Ming Chao Luo, Bing Tang, Shuang Quan Liao, and Xiao Di Wei. "Mechanical Properties of Natural Rubber and Chloroprene Rubber Latex Blends." Advanced Materials Research 239-242 (May 2011): 1601–4. http://dx.doi.org/10.4028/www.scientific.net/amr.239-242.1601.

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The effects of the ratios of natural rubber latex (NRL)and chloroprene rubber latex(CRL) and the type of compatibilizer on physical and mechanical properties of latex film were researched.The oil resistance of vulcanized latex film was tested. The compatibility of the latex blends was also analyzed by TG/DTG method.The results showed that properties of latex film were best when ratio of NRL/CRL was 75/25. As the CRL content increased, oil resistance of latex film was improved. Epoxidized natural rubber latex improved compatibility of NRL and CRL blends.

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18

Sannikova, N. Yu, E. V. Baturina, L. A. Vlasova, E. A. Rudyka, S. S. Nikulin, and E. Yu Ponomareva. "Application of brewing waste in the technology of synthetic polymers." IOP Conference Series: Earth and Environmental Science 1052, no. 1 (2022): 012128. http://dx.doi.org/10.1088/1755-1315/1052/1/012128.

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Abstract At present, much attention is paid to the production of synthetic polymers. The production of rubbers by emulsion polymerization is of particular interest. Sodium chloride, currently used as a coagulating agent, has a high consumption of up to 200 kg / t of rubber and increases environmental pollution. In the presented work, for the first time, the possibility of using dispersed systems of brewing waste (yeast) to reduce the aggregate stability is considered. The use of waste material in the technology of extracting rubber from latex makes it possible to exclude sodium chloride from t

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Radadiya, Daya. "Latex Allergy Implications in Nursing." NMO Journal 17, no. 1 (2023): 26–27. http://dx.doi.org/10.53772/nmo.2023.17107.

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Latex allergy is a reaction to certain proteins found in natural rubber latex, a product used in examination gloves, latex-containing medical supplies, balloons, rubber bands, condoms, rubber household gloves, rubber balls, and adhesive bandages. Here I am presenting one such experience of latex allergy with one of my colleagues.

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20

Sakdapipanich, Jitladda. "Current Study on Structural Characterization and Unique Film Formation of Hevea brasiliensis Natural Rubber Latex." Advanced Materials Research 844 (November 2013): 498–501. http://dx.doi.org/10.4028/www.scientific.net/amr.844.498.

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Hevea brasiliensis natural rubber (NR) latex is a very important commercial source of elastomers. It is not only a source for dry NR rubber but also the feedstock for the latex glove dipping industry. The particles of freshly tapped latex are known to be stabilized by proteins and lipids that come with the latex from the tree. These non-rubbers [, especially proteins and lipids, confer to the rubber and latex excellent properties unsurpassed by any synthetic latex [. Recent structural studies of NR revealed that the NR molecules comprise of 2 trans-isoprene units connected to a long-chain cis-

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21

Suksup, Rungrassamee, Yu Sun, Udomlak Sukatta, and Wirasak Smitthipong. "Foam rubber from centrifuged and creamed latex." Journal of Polymer Engineering 39, no. 4 (2019): 336–42. http://dx.doi.org/10.1515/polyeng-2018-0219.

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Abstract The main aim of this work is to produce foam rubber using the Dunlop process from in-house creamed latex and compare it with commercial centrifuged latex. The dry rubber content of creamed latex is higher than that of fresh natural latex and traditional centrifuged latex. The creaming agent plays a major role during the preparation of foam rubber and therefore defines the density as well as the elastic and mechanical properties of the final product. Scanning electron microscopy images show lower porosity in rubber foam made from creamed latex compared to that from centrifuged latex. T

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22

Lu, Guang, Zhi-Feng Li, Si-Dong Li, and Jian Xie. "Blends of natural rubber latex and methyl methacrylate-grafted rubber latex." Journal of Applied Polymer Science 85, no. 8 (2002): 1736–41. http://dx.doi.org/10.1002/app.10718.

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23

Dananjaya, S. A. V., Y. R. Somarathna, L. Karunanayake, and S. Siriwardena. "Physical properties of natural rubber latex foams produced with processed mica waste powder and creamed natural rubber latex." Journal of the Rubber Research Institute of Sri Lanka 102, no. 1 (2022): 1–10. http://dx.doi.org/10.4038/jrrisl.v102i1.1908.

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Incorporation of finely powdered mica waste into natural rubber latex processed into foam rubber, consuming a minimum amount of energy could contribute to progress towards a greener environment. In this study, mica waste generated in the mining industry was finely powdered and incorporated into creamed natural rubber latex which is an alternative form of concentrated latex manufactured using a green process known as the creaming process. Finely powdered processed mica waste (PMW) was added as a filler into latex varying the loading from 0 to 10 pphr at 2 pphr intervals. The latex foam was then

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M., Prem, and Sowmiya S. "RUBBER EXPORT PERFORMANCE IN INDIA." International Journal of Scientific Research and Modern Education (IJSRME) 7, no. 1 (2022): 99–102. https://doi.org/10.5281/zenodo.6805618.

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Sensitization of natural rubber latex by addition of a small quantity of an anionic surfactant prior to the addition of a coacervant results in quick coagulation. The natural rubber prepared by the novel coagulation method shows improved raw rubber characteristics, better cure characteristics in gum and carbon black filled compounds and improved mechanical properties as compared to the conventionally coagulated natural rubber. Compounds based on dried master batches prepared by the incorporation of fluffy carbon black in different forms of soap sensitized natural rubber lattices such as 

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M., Prem, and Sowmiya S. "RUBBER EXPORT PERFORMANCE IN INDIA." International Journal of Computational Research and Development (IJCRD) 7, no. 1 (2022): 66–69. https://doi.org/10.5281/zenodo.6806143.

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Sensitization of natural rubber latex by addition of a small quantity of an anionic surfactant prior to the addition of a coacervant results in quick coagulation. The natural rubber prepared by the novel coagulation method shows improved raw rubber characteristics, better cure characteristics in gum and carbon black filled compounds and improved mechanical properties as compared to the conventionally coagulated natural rubber. Compounds based on dried master batches prepared by the incorporation of fluffy carbon black   in different forms of soap sensitized natural rubber lattices su

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Li, Wei, Zhen Huang, Xiao Chu Wang, and Jian Peng Zhang. "Study on the Basic Performance and Noise Characteristics of Rubber Cement Concrete of Modified Latex." Advanced Materials Research 953-954 (June 2014): 1524–27. http://dx.doi.org/10.4028/www.scientific.net/amr.953-954.1524.

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The test is divided into a rubber content of 0%, 5%, 10%, 15% and 20%，under the conditions that the SBR content 5% of cement mass, study the ratio of tension and pressure and fracture pressure performance of latex rubber modified concrete, and studies the noise reduction properties of concrete, test ultrasonic propagation velocity in the concrete. Tests show that rubber latex can improve the interface effect between rubbers and cement base material, improve the bonding strength between the two, improve the ratio of tension and pressure and fracture pressure ratio performance of concrete, and r

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Cornish, Katrina, Jali Williams, Julie L. Hall, and Raymond G. McCoy. "Production and Properties of Yulex® - The Natural Solution to Latex Allergy." Rubber Chemistry and Technology 81, no. 4 (2008): 709–22. http://dx.doi.org/10.5254/1.3548227.

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Abstract Natural rubber is an irreplaceable raw material vital to industry, transportation, medicine and defense, largely produced from clonal plantations of Hevea brasiliensis in Southeast Asia. Additional rubber-producing crops are greatly desired to increase biodiversity, protect supplies, and provide a safe alternative for people suffering from Type I latex protein allergy. Basic and applied research approaches were used to make the production of latex (Yulex® latex) from Parthenium argentatum (guayule) a commercial reality. In contrast to Hevea brasiliensis, from which rubber latex is tap

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Gayatri, Rianyza, Erna Yuliwati, Tuty Emilia Agustina, et al. "Treatment of Natural Rubber Skim Latex Using Ultrafiltration Process with PVDF-TiO2 Mixed-Matrix Membranes." Polymers 17, no. 12 (2025): 1598. https://doi.org/10.3390/polym17121598.

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Natural rubber skim latex is commonly discarded as waste or turned into skim natural rubber products such as skim crepe and skim blocks. It is challenging to retrieve all residual rubbers in skim latex since it has a very low rubber content and many non-rubber components like protein. Manufacturers conventionally utilize concentrated sulfuric acid as a coagulant. This method generates many effluents and hazardous pollutants that negatively impact the environment. This work presents an innovative method for enhancing the skim latex’s value by employing an ultrafiltration membrane. This study ai

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Wahyuni, Eko, Muhammad Faisal Mahdie, and Budi Sutiya. "PENGARUH PEMBERIAN PUPUK TERHADAP PRODUKSI GETAH KARET (Hevea brasiliensis) DI DESA TAJAU PECAH KECAMATAN BATU AMPAR KABUPATEN TANAH LAUT." Jurnal Sylva Scienteae 5, no. 1 (2022): 48. http://dx.doi.org/10.20527/jss.v5i1.5046.

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This study aims to analyze the application of chemical fertilizers (NPK) to the production of rubber latex, to analyze the application of organic fertilizer SUPERNASA to the production of rubber latex and to analyze the comparison of the application of fertilizer SUPERNASA to the production of rubber latex. The application of NPK fertilizer to PB20 rubber resulted in an average total of rubber latex of 31.36 grams while IRR39 rubber produced an average total of rubber latex of 29.98 grams, giving organic supernase fertilizer to PB20 rubber resulted in a total rubber sap of 29.34 grams while th

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Zaw, Zar Ni, Rawee Chiarawipa, and Sayan Sdoodee. "Implications of Seasonal Ecophysiological Changes under Rubber-Based Intercropping Practices on Latex Production and Technological Properties of Hevea Rubber." Malaysian Journal of Fundamental and Applied Sciences 21, no. 3 (2025): 1965–76. https://doi.org/10.11113/mjfas.v21n3.3447.

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Rubber-based intercropping is a recommended practice due to its ecological and economic benefits. Understanding the implications of ecophysiological changes in intercropping farms on the production and technological properties of Hevea rubber is still necessary. This study investigated the effects of seasonal changes in the leaf area index (LAI) and soil moisture content (SMC) of rubber-based intercropping farms (RBIFs) on the latex biochemical composition, yield, and technological properties of Hevea rubber. Three RBIFs: rubber-bamboo (RB); rubber-melinjo (RM); rubber-coffee (RC), and one rub

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Ruan, Shao Qin, Cheng Yuan Lin, and Si Xian Jiang. "Study on the Influence of Polypropylene Fiber and SBR Latex on the Static Strength of Rubber Mortar." Applied Mechanics and Materials 318 (May 2013): 297–302. http://dx.doi.org/10.4028/www.scientific.net/amm.318.297.

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This paper deals with the investigation of the static strength of rubber mortar with the inclusion of two macromolecules: SBR (butylbenzene) latex and PP (polypropylene) fiber. The rubber mortar were produced with the inclusion of SBR latex and PP fiber. The characteristics were performed by testing the compressive strength, flexural strength and the C/F (it refers to the ratio of compressive to flexural strength). The results proved that compared to conventional mortar and rubber mortar, the C/F (lower C/F means better flexibility) of SBR latex modified rubber mortar decreased and its flexibi

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Marfuah Lubis, Nuim Hayat, and Hamidah Harahap. "PENGARUH AGING PADA KEKUATAN TARIK (TENSILE STRENGTH) FILM LATEKS KARET ALAM BERPENGISI NANOKRISTALIN SELULOSA DAN PENYERASI ALKANOLAMIDA." Jurnal Teknik Kimia USU 5, no. 2 (2016): 27–31. http://dx.doi.org/10.32734/jtk.v5i2.1531.

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Nanocrystalline cellulose is nano sized filler with high crystallinity and obtanained by hydrolysis of alpha cellulose from sugarcane bagasse. Tensile test of natural rubber latex film filled nanocrystalline cellulose and alkanolamide as compatibilizer after aging treatment have been done. Natural rubber latex films were prepared by coagulant dipping method and followed by vulcanization process at temperature 100 oC and 20 minutes. Aging treatment of natural rubber latex films have done at temperature 70 oC for 24 hours. Tensile test result of natural rubber latex filled nanocrystalline cellul

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Tangpakdee, Jitladda, and Yasukuki Tanaka. "Characterization of Sol and Gel in Hevea Natural Rubber." Rubber Chemistry and Technology 70, no. 5 (1997): 707–13. http://dx.doi.org/10.5254/1.3538454.

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Abstract The gel content of rubber from high-ammonia latex (HA-latex) decreased significantly after deproteinization with proteolytic enzyme. The addition of 1–2% ethanol in toluene solution reduced the gel content of rubbers from HA-latex, deproteinized HA-latex (HA-DP) and pale crepe. Transesterification of the rubber in toluene solution with sodium methoxide dissolved the gel fraction. The gel fractions solubilized after transesterification showed molecular weight distribution rich in low molecular-weight fraction. The Huggins k′ constant of the fractionated rubbers from solubilized-gels wa

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Yu, Li, Boxuan Yuan, Lingling Wang, et al. "Identification and Characterization of Glycoproteins and Their Responsive Patterns upon Ethylene Stimulation in the Rubber Latex." International Journal of Molecular Sciences 21, no. 15 (2020): 5282. http://dx.doi.org/10.3390/ijms21155282.

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Natural rubber is an important industrial material, which is obtained from the only commercially cultivated rubber tree, Hevea brasiliensis. In rubber latex production, ethylene has been extensively used as a stimulant. Recent research showed that post-translational modifications (PTMs) of latex proteins, such as phosphorylation, glycosylation and ubiquitination, are crucial in natural rubber biosynthesis. In this study, comparative proteomics was performed to identify the glycosylated proteins in rubber latex treated with ethylene for different days. Combined with Pro-Q Glycoprotein gel stain

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Sornsanee, Puwitoo, Vichasharn Jitprarop, and Nuchnapa Tangboriboon. "Preparation Polyisoprene (NR) and Polyacrylonitrile Rubber Latex Glove Films by Dipping Ceramic Hand Molds Process and their Properties." Defect and Diffusion Forum 382 (January 2018): 21–25. http://dx.doi.org/10.4028/www.scientific.net/ddf.382.21.

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Both synthetic and natural rubber latex can be used to form rubber latex glove films for medical and dental applications. The objective in this research is to study the natural and synthetic rubber latex glove films formation by dipping process with the bone china ceramic hand molds for 5, 10, and 15 min. From the experimental, the obtained natural rubber latex glove films are good appearance and good physical-mechanical properties i.e. smooth film surface, light pale yellow color, soft, translucent, high tensile strength, high elongation at break, and high flexibility better than those of syn

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Edward Tandy, Ismail Fahmi Hasibuan, and Hamidah Harahap. "KEMAMPUAN ADSORBEN LIMBAH LATEKS KARET ALAM TERHADAP MINYAK PELUMAS DALAM AIR." Jurnal Teknik Kimia USU 1, no. 2 (2012): 34–38. http://dx.doi.org/10.32734/jtk.v1i2.1416.

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Natural rubber latex waste usually throw away to be unused materials and caused environment issue. One of the ways to handle this environment issue by using natural rubber latex waste as oil adsorbent. Natural rubber latex waste also had oleophilic and hydrophobic properties that are suitable to being used as oil adsorbent. In this research, researchers found out adsorption capacity of natural rubber latex waste to oil and oil from water, also the characteristics of it’s adsorption with Langmuir and Freundlich isoterm adsorption model. The adsorption characteristics of lubricant oil from water

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Thi, Thu Hoai Pham PHD, Thu Hien Phan PHD Thi, and Correspondence. "Technology for Treating Wastewater from Rubber Latex Processing." International Journal of Case Studies 8, no. 6 (2019): 05–12. https://doi.org/10.5281/zenodo.3547119.

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The article analyzed the status and nature of waste from rubber latex processing. After that, the situation of treatment of rubber latex processing is analyzed through stages. In general, the rubber processing industry is an industry that has a lot of impacts on the environment, but waste treatment technology is getting better and better with better technology to improve the negative impact on the environment

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Sari, Ikha Rasti Julia, Januar Arif Fatkhurrahman, Farida Crisnaningtyas, and Moch Syarif Romadhon. "FWHM Dimentional Analysis From Scattered Light Intensity Profile for Dry Rubber Content Determination in Natural Rubber." Jurnal Riset Teknologi Pencegahan Pencemaran Industri 9, no. 1 (2018): 9–14. http://dx.doi.org/10.21771/jrtppi.2018.v9.no1.p9-14.

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Dry Rubber Content (DRC) describes a rubber particle percentage in natural rubber latex. In this paper, the relation between forward light scattering profiles of natural latex and rubber contents is reported for dry rubber content latex. The profile, characterized by Full Width at Half Maximum (FWHM), is increasing linearly with respect to rubber content. The measurement was performed immediately after latex being tapped with necessary addition of acetic acid. This addition was meant to prevent latex coagulation. There is a high linear correlation between DRC and FWHM of both domain: one and t

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Bae, Sung Woo, Sunghee Jung, Sang Chul Choi, Mi Young Kim, and Stephen Beungtae Ryu. "Lipid Composition of Latex and Rubber Particles in Hevea brasiliensis and Taraxacum kok-saghyz." Molecules 25, no. 21 (2020): 5110. http://dx.doi.org/10.3390/molecules25215110.

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Natural rubber is usually synthesized in the rubber particles present in the latex of rubber-producing plants such as the Pará rubber tree (Hevea brasiliensis) and rubber dandelion (Taraxacum kok-saghyz). Since the detailed lipid compositions of fresh latex and rubber particles of the plants are poorly known, the present study reports detailed compound lipid composition, focusing on phospholipids and galactolipids in the latex and rubber particles of the plants. In the fresh latex and rubber particles of both plants, phospholipids were much more dominant (85–99%) compared to galactolipids. Amo

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Jain, ArunKumar, Ravi Deval, V. Ramesh, and GBKS Prasad. "Natural rubber latex allergy." Indian Journal of Dermatology, Venereology and Leprology 74, no. 4 (2008): 304. http://dx.doi.org/10.4103/0378-6323.42885.

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Wakelin and White. "Natural rubber latex allergy." Clinical and Experimental Dermatology 24, no. 4 (1999): 245–48. http://dx.doi.org/10.1046/j.1365-2230.1999.00470.x.

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Turjanmaa, K., H. Alenius, S. Mäkinen-Kiljunen, T. Reunala, and T. Palosuo. "Natural rubber latex allergy." Allergy 51, no. 9 (1996): 593–602. http://dx.doi.org/10.1111/j.1398-9995.1996.tb04678.x.

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Sussman, Gordon L. "Allergy to Latex Rubber." Annals of Internal Medicine 122, no. 1 (1995): 43. http://dx.doi.org/10.7326/0003-4819-122-1-199501010-00007.

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Kahn, Steven L., Joshua O. Podjasek, Vassilios A. Dimitropoulos, and Clarence W. Brown. "Natural rubber latex allergy." Disease-a-Month 62, no. 1 (2016): 5–17. http://dx.doi.org/10.1016/j.disamonth.2015.11.002.

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Tomazic-Jezic, Vesna J. "Natural rubber latex allergens." Methods 27, no. 1 (2002): 1–2. http://dx.doi.org/10.1016/s1046-2023(02)00044-0.

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Alenius, H. "Natural rubber latex allergy." Occupational and Environmental Medicine 59, no. 6 (2002): 419–24. http://dx.doi.org/10.1136/oem.59.6.419.

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Musmand, Jon, and Christopher R. Brigham. "Natural Rubber Latex Allergy." Guides Newsletter 7, no. 5 (2002): 1–3. http://dx.doi.org/10.1001/amaguidesnewsletters.2002.sepoct01.

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Abstract Natural rubber latex (NRL) allergy is discussed in the AMA Guides to the Evaluation of Permanent Impairment (AMA Guides), Fifth Edition, in Section 8.5, Natural Rubber Latex Allergy, and refers to an IgE-mediated immediate hypersensitivity reaction to one or more protein allergens in latex devices, especially gloves. Among health care workers, NRL allergy is the most common cause of occupationally induced rhinoconjunctivitis and asthma, and clinical manifestations range from dermatitis and contact urticaria, allergic rhinoconjunctivitis, and asthma, to anaphylaxis. Evaluating physicia

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Brehler, Randolf, and Birgitta Kütting. "Natural Rubber Latex Allergy." Archives of Internal Medicine 161, no. 8 (2001): 1057. http://dx.doi.org/10.1001/archinte.161.8.1057.

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Chumsamrong, Pranee, and Jakkarin Mondobyai. "Preparation, Adhesive Performance and Stability of Natural Rubber Latex Grafted with N-Butyl Acrylate (BA) and Methyl Methacrylate (MMA)." Advanced Materials Research 47-50 (June 2008): 1149–52. http://dx.doi.org/10.4028/www.scientific.net/amr.47-50.1149.

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In order to study the potential of increasing the weather stability of natural rubber latex for use as a water-based contact adhesive, the natural rubber latex was modified by graft copolymerization with n-butyl acrylate (BA) and methyl methacrylate (MMA). The grafting reaction was carried out using emulsion polymerization at 60°C. Potassium persulfate was used to initiate polymerization. Four different weight percentage ratios of BA to MMA used in this work were 80:20, 70:30, 60:40 and 50:50. Percentage conversion of the monomer of all latexes prepared was ≥ 79.8 %. The grafting efficiency of

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RUKKHUN, Raweerat, Kesinee IAMSAARD, Sayan SDOODEE, Nipon MAWAN, and Nuttapon KHONGDEE. "Effect of high-frequency tapping system on latex yield, tapping panel dryness, and biochemistry of young hillside tapping rubber." Notulae Botanicae Horti Agrobotanici Cluj-Napoca 48, no. 4 (2020): 2359–67. http://dx.doi.org/10.15835/nbha48412045.

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The objective of this study was to examine the effect of high-frequency tapping system (1/3S 3d/4) on latex yield, biochemistry and its impact on the Tapping Panel Dryness (TPD) of young RRIM600 hillside tapping rubber. The experiment was conducted at three different hillside rubber plantations (NM 1 - 3) at Na-Mom district, Song Khla province, Thailand. Eight-year-old rubber RRIM 600 clones was used in the experiment starting from 2008 until 2009. The rubber trees were investigated for latex yield production, bark consumption, and TPD. In addition, latex diagnosis (sucrose, inorganic phosphor

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