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Journal articles on the topic 'Pulp characterization'

Author: Grafiati

Published: 4 June 2021

Last updated: 12 February 2022

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1

Ma, Xiaojuan, Shilin Cao, Xiaolin Luo, et al. "Pulp and Fiber Characterization of Bamboo Dissolving Pulp." Journal of Biobased Materials and Bioenergy 6, no. 3 (2012): 323–28. http://dx.doi.org/10.1166/jbmb.2012.1222.

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2

Wallbacks, Lars, Ulf Edlund, Bo Nordén, and Tommy Iversen. "Multivariate characterization of pulp." Nordic Pulp & Paper Research Journal 6, no. 2 (1991): 74–80. http://dx.doi.org/10.3183/npprj-1991-06-02-p074-080.

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3

Wallbacks, Lars, Ulf Edlund, Tommy Iversen, and Ulla-Britt Mohlin. "Multivariate characterization of pulp." Nordic Pulp & Paper Research Journal 6, no. 3 (1991): 104–9. http://dx.doi.org/10.3183/npprj-1991-06-03-p104-109.

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Wallbacks, Lars, Ulf Edlund, Torbjorn Lindgren, and Roland Agnerno. "Multivariate characterization of pulp." Nordic Pulp & Paper Research Journal 10, no. 2 (1995): 88–93. http://dx.doi.org/10.3183/npprj-1995-10-02-p088-093.

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FERDOUS, TASLIMA, M. A. QUAIYYUM, KAZI M. YASIN ARAFAT, and M. SARWAR JAHAN. "Characterization of chia plant (Salvia hispanica) for pulping." October 2020 19, no. 10 (2020): 511–24. http://dx.doi.org/10.32964/tj19.10.511.

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In this paper, chia plant was characterized in terms of chemical, morphological, and anatomical properties. Chia plant was characterized with low α-cellulose (30.5%); moderate lignin (23.2%) with syringyl to guaiacyl ratio of 1.41; and shorter fiber length (0.67 mm) with thinner cell wall (1.91 μm) and good flexibility coefficient (71.44). Anatomical features showed that chia plant consists of vessels, fibers, parenchyma cells, and collenchyma cells. Chia plant pulping was evaluated in soda-anthraquinone (soda-AQ) and formic acid/peroxyformic acid (FA/PFA) processes. Chia plant was difficult t

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Moral, Ana, Elena Cabeza, Roberto Aguado, and Antonio Tijero. "NIRS Characterization of Paper Pulps to Predict Kappa Number." Journal of Spectroscopy 2015 (2015): 1–6. http://dx.doi.org/10.1155/2015/104609.

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Rice is one of the most abundant food crops in the world and its straw stands as an important source of fibres both from an economic and an environmental point of view. Pulp characterization is of special relevance in works involving alternative raw materials, since pulp properties are closely linked to the quality of the final product. One of the analytical techniques that can be used in pulp characterization is near-infrared spectroscopy (NIRS). The use of NIRS has economic and technical advantages over conventional techniques. This paper aims to discuss the convenience of using NIRS to pred

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Gultom, Erdiana, Hestina Hestina, Nova Florentina, and Barita Aritonang. "Paper making and characterization from waste coconut and tofu dregs." Jurnal Pendidikan Kimia 13, no. 2 (2021): 159–71. http://dx.doi.org/10.24114/jpkim.v13i2.27028.

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Research on paper made from coconut and tofu waste has been carried out using the alkalization method of separation technique, with the optimum composition as follows: NaOH concentration used is 3.0% and cooking temperature is 100 0C and the time required is 90 minutes. The results of the catheterization test of paper made from coconut dregs and tofu have a water content of 3.2%; pH 6.9, pulp content 65.75%; cellulose content 80.22%; lignin content 18.27%. The results of the FT-IR spectrum analysis of coconut pulp and tofu pulp are suitable for use as raw materials for making paper because the

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de Assis, Tiago, Joel Pawlak, Lokendra Pal, et al. "Comparison of wood and non-wood market pulps for tissue paper application." BioResources 14, no. 3 (2019): 6781–810. http://dx.doi.org/10.15376/biores.14.3.6781-6810.

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A comparison among ten market pulps at a laboratory scale using uncreped tissue handsheets was performed to study the performance of wood and non-wood pulps for tissue manufacturing, evaluate what fiber features are desired for a specific tissue property, and determine how non-wood pulps can be used to replace or complement wood pulps in tissue products. A characterization of the fiber morphology and handsheet properties (softness, water absorbency, and strength) was performed at different mechanical refining levels. The results showed that the fiber morphology had a major impact on tissue pro

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Queiroz Nazareno, Lailla Sabrina, Ana Karolina De Oliveira Sá Acevedo, and Edvaldo Renner Da Costa Cardoso. "Characterization and quality assessment of frozen tropical fruit pulp." REVISTA AGRO@MBIENTE ON-LINE 13 (December 6, 2019): 287. http://dx.doi.org/10.18227/1982-8470ragro.v13i0.5559.

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Given the increase in the production, commercialization andconsumption of fruit pulp in southwest Piauí state (PI), Brazil, research is needed to gain information on the composition of products already on the market. As such, this study aimed to assess the quality of fruit pulp based on standards established by current legislation. The pulps studied were acerola, cajá, cupuaçu, guava and passion fruit, which were thawed and homogenized. The samples were stored with three replications and the following assessed: total soluble solids (TSS), tritratable acidity (TA), pH and total vitamin C. The T

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Li, Jiebing, Raquel Martin-Sampedro, Cristiane Pedrazzi, and Göran Gellerstedt. "Fractionation and characterization of lignin-carbohydrate complexes (LCCs) from eucalyptus fibers." Holzforschung 65, no. 1 (2011): 43–50. http://dx.doi.org/10.1515/hf.2011.013.

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Abstract The effect of milling time on the structure of lignin was investigated by analyzing the quantity and molecular size distribution of thioacidolysis products obtained from wood and pulp of eucalypt (Eucalyptus globulus). After milling, the ability of three solvent systems was determined to completely dissolve the wood or pulp meal. It was found that a mixture of DMSO and 50% aqueous tetrabutylammonium hydroxide was superior to either dimethylacetamide-LiCl or DMSO-tetrabutylammonium fluoride as solvent. By applying the minimum milling time required for complete dissolution, structurally

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Qi, Letian, Jinke Liu, Jianmin Peng, et al. "The Dual Effect of Ionic Liquid Pretreatment on the Eucalyptus Kraft Pulp during Oxygen Delignification Process." Polymers 13, no. 10 (2021): 1600. http://dx.doi.org/10.3390/polym13101600.

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Oxygen delignification presents high efficiency but causes damage to cellulose, therefore leading to an undesired loss in pulp strength. The effect of ionic liquid pretreatment of [BMIM][HSO4] and [TEA][HSO4] on oxygen delignification of the eucalyptus kraft pulp was investigated at 10% IL loading and 10% pulp consistency, after which composition analysis, pulp and fiber characterizations, and the mechanism of lignin degradation were carried out. A possible dual effect of enhancing delignification and protecting fibers from oxidation damage occurred simultaneously. The proposed [TEA][HSO4] pre

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Liu, Rong Biao, Xin Xin Li, Jun Qian, and Zhe Wen Han. "The Formation and Characterization of Poly (p-phenylene benzobisoxazole) Pulps via Stirred Solutions." Advanced Materials Research 1120-1121 (July 2015): 620–23. http://dx.doi.org/10.4028/www.scientific.net/amr.1120-1121.620.

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PBO (p-phenylene benzobisoxazole) short fibers, attached fine fibrils that are called PBO pulp, may precipitate directly from stirred PBO/methanesulfonic acid (MSA) solution by the use of water coagulant in fibrous pulp form. Scanning electron micrographs show that the precipitated PBO pulps have a ribbon-like structure similar to Kevlar pulps. The thermalgravimetric analysis (TGA) show there were no appreciable mass changes until 550 °C in the air. The process yields PBO pulps with different specific surface areas (SSA) depending on the stirring speed, stirring time and the concentration of t

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Pradipasena, Pasawadee, Rungsima Chollakup, and Sumate Tantratian. "Formation and characterization of BC and BC-paper pulp films for packaging application." Journal of Thermoplastic Composite Materials 31, no. 4 (2017): 500–513. http://dx.doi.org/10.1177/0892705717712633.

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It was found beneficial to manufacture bacterial cellulose (BC) obtained from waste food sources to create value-added packaging products by firstly performing purification and disintegration processing of the BC and then reinforcing it with paper pulp. The purification treatment involved using sodium hydroxide (2% w/v at 100°C for 1 h) on BC pulp to remove the bacterial protein and the resulting cultured medium film was characterized with respect to its physical properties. An acid treatment on the purified BC pulp was applied to disintegrate cellulose network before forming a film. The resul

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Lima, Alexsandra Valéria Sousa Costa de, Edmar Soares Nicolau, Cíntia Silva Minafra e. Rezende, Maria Célia Lopes Torres, Lorena Gouvêa Novais, and Nayana Ribeiro Soares. "Characterization and sensory preference of fermented dairy beverages prepared with different concentrations of whey and araticum pulp." Semina: Ciências Agrárias 37, no. 6 (2016): 4011. http://dx.doi.org/10.5433/1679-0359.2016v37n6p4011.

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The objective of this study was to develop a fermented dairy beverage flavored with araticum pulp, assess its physicochemical characteristics, microbiological quality, and sensory preference by the consumer. Araticum pulp was prepared using two different methods: with or without bleaching (50 ºC/5 minutes). Formulations of fermented dairy beverages consisting of whey (50%), standardized pasteurized milk (50%), and seven different concentrations of bleached araticum pulp (5.0, 7.5, 10.0, 12.5, 15.0, 17.5, and 20.0% w/v) were prepared. In addition, seven formulations of fermented dairy beverage,

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15

Amorim, Patrycia Elen Costa, José Ribamar Gusmão Araujo, Aline Priscilla Gomes da Silva, et al. "Chemical and microbiological evaluations of Platonia insignis Mart and Theobroma grandiflorum Schum pulps, native fruits from Brazilian Amazon." JULY 2020, no. 14(7):2020 (July 20, 2020): 1180–85. http://dx.doi.org/10.21475/ajcs.20.14.07.p2559.

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The aim of the present study was to evaluate chemical and microbiological parameters of industrialized and artisanal bacuri (Platonia insignis Mart) and cupuaçu (Theobroma grandiflorum Schum) pulps, native Brazilian Amazon fruits. Several fruit pulp brands were selected as follows: industrialized pulps (IP), brands A and B and artisanal pulps (AP), brands C and D. The chemical analyses were based on the determination of initial pH, total titratable acidity (TTA), total soluble solids (TSS) and their ratio (TSS/TTA). Microbiological analyzes quantified mold, yeast, Staphyloccus aureus and Salmo

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S. LAVRYKOV, S., and B. V. RAMARAO. "Characterization of refined papermaking pulps using hydrodynamic parameters from filtration analysis." May 2015 14, no. 5 (2015): 305–9. http://dx.doi.org/10.32964/tj14.5.305.

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It is often necessary to characterize papermaking pulps in order to determine the impact of refining or to predict their drainage properties. The newer methods for pulp quality analysis determine geometrical features of pulp fibers by microimaging techniques. However, features such as fiber length, coarsenes, and their distributions do not yield easily to estimation of their drainage or papermaking properties. In quantifying the impact of refining on fiber quality, it is useful to approach the rheology of pulps as an indicator of their behavior. We determined the hydrodynamic characteristics o

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Fernández, Ismael Montero, Edvan Alves Chagas, Antonio Alves de Melo Filho, et al. "Characterization of Bioactive Compounds in Northern Amazon Fruits." Journal of Agricultural Science 11, no. 9 (2019): 134. http://dx.doi.org/10.5539/jas.v11n9p134.

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Fruits and vegetables are highly appreciated because they are constituted by active phytochemicals with functional properties for the organism acting with modulating pharmacological effect. Given the pharmacological properties of this type of food, in this work were studied the concentrations of vitamin C, total carotenoids and reducing and non-reducing sugars of nine fruits developed in the northern Amazon region: Abiu, Acerola, Ara&ccedil;&aacute;, Bacupar&iacute;, Birib&aacute;, Camu-camu, Fruta-do-conde, Graviola and Tapereba. The concentration of vitamin C, the highest con

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18

Feitosa, Regilane M., Rossana M. F. de Figueirêdo, Alexandre J. de M. Queiroz, Flávia C. dos S. Lima, and Emanuel N. A. de Oliveira. "Drying and characterization of myrtle pulp." Revista Brasileira de Engenharia Agrícola e Ambiental 21, no. 12 (2017): 858–64. http://dx.doi.org/10.1590/1807-1929/agriambi.v21n12p858-864.

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ABSTRACT The objective of this study was to develop formulations of myrtle pulp with emulsifier/stabilizer (Emustab® and Super Liga Neutra®) in different proportions; characterize the best foam, based on density and over-run; and determine drying kinetics at temperatures of 50, 60, 70, 80 and 90 oC and thicknesses of 0.5, 1.0 and 1.5 cm. Incorporation of 1.5% Emustab® and 0.5% Super Liga Neutra® to the myrtle pulp (F1) proved to be effective for foam-mat drying. The addition of additives influenced the physicochemical parameters of the whole myrtle pulp. The Midilli et al. model showed the bes

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COELHO, MARINA ULIAN, FRANCIDES GOMES DA SILVA, JR., FLAVIANA REIS MILAGRES, SILVANA MEISTER SOMMER, CARLOS AUGUSTO SOARES DO AMARAL, and FABRÍCIO ANTÔNIO BIERNASKI. "Technological evaluation of Pinus maximinoi wood for industrial use in kraft pulp production." August 2021 20, no. 8 (2021): 501–8. http://dx.doi.org/10.32964/tj20.8.501.

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This study characterized Pinus maximinoi wood and evaluated its performance for pulp production. Samples of Pinus taeda wood were used as reference material. For both species, wood chips from 14-year-old trees were used for the technological characterization, pulping, bleaching process analysis, and pulp properties. A modified kraft pulping process was carried out targeting kappa number 28±5% on brownstock pulp. The bleaching sequence was applied for bleached pulp with final brightness of 87±1 % ISO. Refinability and resistance properties were measured in the bleached pulps. Compared to P. tae

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Li, Dan Xi, and Quan Xiao Liu. "Characterization of Mercerized Straw Pulp Fiber." Advanced Materials Research 1030-1032 (September 2014): 450–53. http://dx.doi.org/10.4028/www.scientific.net/amr.1030-1032.450.

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On the base of the former research of mercerization of pulp fibers, SEM, XRD and Automated Surface Area & Pore Size Analyzer were used to characterize surface morphology, crystalline property, and specific surface area and the pore size distribution of fibers. The results show that the fiber cell wall swelling, degree of crystallinity decrease and specific surface area and pore size distribution increase after mercerization.

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HAJJI, Loubna EL, and Souad SALMAOUI. "Biochemical and Microbiological Characterization of Prickly Pear Rejects." International Journal of Innovative Science and Research Technology 5, no. 7 (2020): 608–15. http://dx.doi.org/10.38124/ijisrt20jul470.

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The aim of this work is to study the biochemical and microbiological characterization of the prickly pear fruits abandoned in the fields after harvest in order to use it in the animal feed. This work reveal that the skin and pulp have a pH close to neutral (6.83 for the skin and 6.41 for the pulp), they are very rich in water (84.89% for the skin and 87.19% for the pulp), in sugars (31.19 % DM for the skin and 42.17 % DM for the pulp) and in mineral elements (13.7% DM for the skin and 4.46% DM for the pulp). They have average values in NDF, ADF, ADL, cellulose and hemicellulose fibers which va

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Kadry, Hazem, Soha Shoala, Omayma El Gindi, Amany A. Sleem, Salwa Mosharrafa, and Mona Kassem. "Chemical Characterization of the Lipophilic Fraction of Livistona Decipiens and Livistona Chinensis Fruit Pulps (Palmae) and Assessment of Their Anti-hyperlipidemic and Anti-ulcer Activities." Natural Product Communications 4, no. 2 (2009): 1934578X0900400. http://dx.doi.org/10.1177/1934578x0900400220.

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The oil of the dried pulps of Livistona decipiens and L. chinensis palm fruits have been studied for the first time by gas chromatography-mass spectrometry for their unsaponifiable matter (USM) and fatty acid composition (FAME). The anti-hyperlipidemic and anti-ulcer activities for both oils were also assayed. The principal fatty acid of L. decipiens pulp oil was oleic acid (53.4 %) and of L. chinensis pulp oil palmitic acid (47.4 %). In relation to anti-hyperlipidemic properties, the pulp oil of L. decipiens presented a better profile than that of L. chinensis, in comparison with the referenc

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Pascoato de Oliveira, Thaise, Giseli Cristina Pante, Natara Fávaro Tosoni, Maria Josiane Sereia, and Bogdan Demczuk Júnior. "Characterization and application of blueberry pulp (Vaccinium sp.) fresh and powder in frozen yogurt." Revista Brasileira de Pesquisa em Alimentos 6, no. 3 (2015): 23. http://dx.doi.org/10.14685/rebrapa.v6i3.3461.

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The choice for a healthy diet that enhances quality of life has increased in recent years causing food manufacturers seek to meet consumer demand, differentiating products and services. Regular consumption of fermented foods like yogurt and frozen foods rich in antioxidants such as blueberries is recognized as beneficial to maintaining good health. This effect is attributed, in part, the lactic acid bacteria used in the preparation of frozen yogurt that has therapeutic properties and the presence of phenolic compounds present in blueberries, which counteract the effect of free radicals. Thus t

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Zhang, Guangyu, Dao Wang, Yao Xiao, Jiamu Dai, Wei Zhang, and Yu Zhang. "Fabrication of Ag Np-coated wetlace nonwoven fabric based on amino-terminated hyperbranched polymer." Nanotechnology Reviews 8, no. 1 (2019): 100–106. http://dx.doi.org/10.1515/ntrev-2019-0009.

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Abstract To prepare antibacterial fabrics with simple approach, wood pulp/viscose fibers and amino-capped silver nanoparticles (Ag NPs) solution were utilized to form Ag Nps-coated wetlace nonwove fabric. Characterization of the Ag Nps and prepared wetlace nonwoven fabric was performed in virtue of TEM, UV-vis, XRD, ICP-AES, FESEM, EDS mapping and antibacterial test. FESEM and EDS characterizations demonstrated the hierarchical and uniform coating of high-density Ag NPs on wood pulp fibers, and antibacterial test indicated the excellent antibacterial activity of prepared wetlace nonwoven fabri

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Honda, Masaki, Momoko Sato, and Taku Toriumi. "Characterization of Coronal Pulp Cells and Radicular Pulp Cells in Human Teeth." Journal of Endodontics 43, no. 9 (2017): S35—S39. http://dx.doi.org/10.1016/j.joen.2017.06.005.

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LAL, MOHAN, DHARM DUTT, C. H. TYAGI, J. S. UPADHYAY, and SIDDHARTHA UPADHYAY. "Characterization of Anthocephalus Cadamba and its Delignification by Kraft Pulping." March 2010 9, no. 3 (2010): 30–37. http://dx.doi.org/10.32964/tj9.3.30.

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Anthocephalus cadamba is a fast-growing deciduous tropical hardwood with anatomical, morphological, and chemical characteristics that make it suitable for pulp production. The fibers are short but fiber width, cell wall thickness, and rigidity coefficient of A. cadamba are comparable to those of softwoods such as Pinus kesiya and Picea abies. Due to low lignin and high holocellulose contents, A. cadamba produces high pulp yield at milder cooking conditions. We studied the effect of sulfidity, cooking time, and temperature on pulp yield and kappa number during kraft pulping. The effect of agein

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Tran, Xuan, Hamideh Salehi, Minh Truong, et al. "Reparative Mineralized Tissue Characterization after Direct Pulp Capping with Calcium-Silicate-Based Cements." Materials 12, no. 13 (2019): 2102. http://dx.doi.org/10.3390/ma12132102.

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Nowadays, the preservation of dental pulp vitality is an integral part of our daily therapies. The success of these treatments depends on the clinical situation as well as the biomaterials used. Mineral Trioxide aggregate and BiodentineTM are commonly used as pulp capping materials. One objective of vital pulp therapy is the repair/regeneration of the pulp. In addition to the initial inflammatory status of the pulp, the nature and quality of the new mineralized tissue obtained after pulp capping directly influence the success of the treatment. In order to characterize the reparative dentin, in

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Kayadoe, Victor, Sunarti Sunarti, Yeslia Utubira, and Nova Kayadoe. "PREPARASI DAN KARAKTERISASI ARANG DARI AMPAS SAGU SEBAGAI ADSORBEN DALAM MENURUNKAN KADAR COD DAN BOD LIMBAH CAIR PABRIK TAHU." Molluca Journal of Chemistry Education (MJoCE) 10, no. 2 (2020): 81–88. http://dx.doi.org/10.30598/mjocevol10iss2pp81-88.

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The preparation and characterization of charcoal from sago pulp as an adsorbent in reducing content of COD and BOD of tofu factory waste has been carried out. Sago pulp has been turned into charcoal through carbonization at 400oC for 2 hours. The results of charcoal characterization using XRD show that the carbon produced from sago pulp carbonization has a low crystallinity which is indicated by a wide peak at around 2θ 23oC, which is the characteristic carbon peak. The results of characterization using Surface Area Analyzer show that the pores in the sago pulp charcoal are very few and irregu

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Selvin, Antonio Saravia Maldonado, Montero Fernández Ismael, Antonio Beltrán Alemán Luis, Santos Alemán Ricardo, and Abrahan Marcia Fuentes Jhunior. "Nutritional characterization pulp of Chrysobalanus icaco L." African Journal of Pharmacy and Pharmacology 14, no. 5 (2020): 113–17. http://dx.doi.org/10.5897/ajpp2020.5144.

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Yin, Yan Na, Quan Xiao Liu, and Yu Bin Lyu. "Mercerization and Characterization of Straw Pulp Fibers." Advanced Materials Research 781-784 (September 2013): 2645–49. http://dx.doi.org/10.4028/www.scientific.net/amr.781-784.2645.

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Effects of mercerizing treatment on water-retention value of straw pulp fibers were discussed and the mercerizing treatment conditions were optimized. The best conditions of mercerizing treatment is NaOH concentration of 4mol/L, temperature of 40°C and processing time of 60min. SEM showed that the fiber cell wall swelling increase after mercerization.

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Yang, Zhanping, Songwei Xu, Xiaolong Ma, and Shanyuan Wang. "Characterization and acetylation behavior of bamboo pulp." Wood Science and Technology 42, no. 8 (2008): 621–32. http://dx.doi.org/10.1007/s00226-008-0194-5.

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Sorokin, M., N. Strokina, T. Eerola, L. Lensu, K. Karttunen, and H. Kalviainen. "Image-based characterization of the pulp flows." Pattern Recognition and Image Analysis 26, no. 3 (2016): 630–37. http://dx.doi.org/10.1134/s1054661816030196.

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Damani, Ramesh, Robert L. Powell, and Nils Hagen. "Viscoelastic characterization of medium consistency pulp suspensions." Canadian Journal of Chemical Engineering 71, no. 5 (1993): 676–84. http://dx.doi.org/10.1002/cjce.5450710504.

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Suchanek, Jakub, Tomas Soukup, Benjamin Visek, Romana Ivancakova, Lenka Kucerova, and Jaroslav Mokry. "DENTAL PULP STEM CELLS AND THEIR CHARACTERIZATION." Biomedical Papers 153, no. 1 (2009): 31–35. http://dx.doi.org/10.5507/bp.2009.005.

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Jagannadh, S. V. S., Hans Jordan, and Robert S. Brodkey. "Formation and characterization of paper pulp flocs." Chemical Engineering Science 46, no. 12 (1991): 2997–3005. http://dx.doi.org/10.1016/0009-2509(91)85004-h.

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FERNANDO, DINESH, and GEOFFREY DANIEL. "Characterization of spruce thermomechanical pulps at the fiber cell wall level: a method for quantitatively assessing pulp fiber development using Simons’ stain." October 2010 9, no. 10 (2010): 47–55. http://dx.doi.org/10.32964/tj9.10.47.

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Fiber development of mechanical pulps is normally assessed by a combination of conventional numerical analyses of fiber features using FiberMaster, PulpEye, and Kajaani instruments. When observed, changes in fiber morphology are normally subjective with use of light- and electron microscopy observations of representative fibers. Thus, visualization and quantification of changes in the fiber cell wall, like delaminaton/internal fibrillation (D/IF) induced during processing, would offer a great advantage. Here, we developed a method using Simons’ stain (SS) that allows quantification of pulp fib

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Li, Jin Bao, Mei Yun Zhang, Hui Juan Xiu, and Yun Zhang. "Preparation and Characterization of Wheat Straw MCC." Advanced Materials Research 239-242 (May 2011): 102–7. http://dx.doi.org/10.4028/www.scientific.net/amr.239-242.102.

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During the wet PU, PVC synthetic production, MCC could be served as a good micropore and thickening agents, and could obviously enhance the feel and elasticity of synthetic leather, but cotton pulp and wood pulp resources, which were used as raw material commonly to produce MCC for synthetic leather, was limited. In this paper, MCC was prepared with wheat straw pulp through the dilute acid hydrolysis, alkali treatment, enzyme treatment, drying and crushing. This paper focused on the effect of conditions of acid hydrolysis on performance of MCC, and the optimization of process parameters. The m

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Oliveira, Leilanne Márcia Nogueira, Larissa Morais Ribeiro da Silva, Ana Cristina Silva de Lima, et al. "Characterization of rutin, phenolic compounds and antioxidant capacity of pulps and by-products of tropical fruits." Research, Society and Development 9, no. 4 (2020): e42942812. http://dx.doi.org/10.33448/rsd-v9i4.2812.

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In recent years the consumption of tropical fruits has increased, mainly due to their health benefits. This study aimed to identify and quantify the content of rutin using high performance liquid chromatography (HPLC) and other bioactive compounds in the pulp and in the by-products of tropical fruits from Brazil (acerola, guava, mango and caja-umbu). The levels of total polyphenols (Folin-Ciocaulteau), yellow flavonoids, anthocyanins and total antioxidant activity (ABTS method) were also analyzed. The results shows the large amount of bioactive compounds found in by-products, that have benefic

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Wu, Wei Li, and Jing Zhang. "Preparation and Characterization on an Environment Friendly Used Rubber Powder Modified Pulp Sediments Composites." Advanced Materials Research 602-604 (December 2012): 1111–15. http://dx.doi.org/10.4028/www.scientific.net/amr.602-604.1111.

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A new composite material was prepared by using pulp sediment as matrix, and used rubber powder as toughening agent to recycle both wastes. The effect of used rubber powder content on the pulp sediment properties, the morphology and curing conditions of used rubber powder / pulp sediment composites were studied. The results show that the mechanical properties of used rubber powder / pulp sediment (8/100) are good. The fracture surface of used rubber powder / pulp sediment (8/100) samples are well-distributed by scanning electronic microscopy (SEM) analysis. The best formulation is 100 phr pulp

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Walsh, Frances L., and Sujit Banerjee. "Characterization of thin water layers in pulp by tritium exchange. Part 1: Methods development." Holzforschung 61, no. 2 (2007): 115–19. http://dx.doi.org/10.1515/hf.2007.021.

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Abstract A new technique for measuring the monolayer water content of fiber is presented. Tritiated water is added to a pulp/water suspension, whereupon the tritium partitions between the bulk water and the pulp. In the pulp phase the tritium can exchange with free water, bound water, and with hydroxyl and other protons present in the pulp matrix. The free water in the pulp is then removed by displacement with acetone. The tritium remaining in the pulp is mostly associated with tightly bound water, with a small fraction being tied up with the exchangeable hydrogen in pulp. The procedure provid

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PRAZERES, Isadora Cordeiro dos, Alessandra Ferraiolo Nogueira DOMINGUES, Ana Paula Rocha CAMPOS, and Ana Vânia CARVALHO. "Elaboration and characterization of snack bars made with ingredients from the Amazon." Acta Amazonica 47, no. 2 (2017): 103–10. http://dx.doi.org/10.1590/1809-4392201602203.

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ABSTRACT Snack bars were launched on the market as an alternative for people seeking healthier food options. They are popular portable snacks commonly eaten between meals. This study aimed to develop snack bars made with tapioca flour, Brazil nut and native fruit pulps (açaí, cupuaçu, muruci and taperebá) as well as to assess their physical, physicochemical, microbiological and sensory attributes. The preferred concentration of fruit pulp was 10% in the açaí bar, and 15% in the cupuaçu, muruci and taperebá bars. The acceptance rate of the açaí bars was greater than 70% for the attributes appea

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Muchirah, Peninah Njoki, Rebecca Waihenya, Shadrack Muya, Leila Abubakar, Hastings Ozwara, and Anselimo Makokha. "Characterization and anti-oxidant activity of Cucurbita maxima Duchesne pulp and seed extracts." Journal of Phytopharmacology 7, no. 2 (2018): 134–40. http://dx.doi.org/10.31254/phyto.2018.7206.

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The study aimed to characterize phytochemical composition of C. maxima seeds and pulp. The ethanol and aqueous extract of C. maxima seeds and pulp were done using percolation method. The phytochemical composition of ethanol and aqueous extract were determined using methodology described by the association of official analytical chemists. Qualitative screening of both aqueous and ethanol seed and pulp extracts showed presence of alkaloids, flavanoids, phenolics, carbohydrates, tannins, saponins, terpenoids and proteins. The quantitative tests reported concentration of 0.336g/100g of phenols, 0.

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Arnoul-Jarriault, Benoît, Raphaël Passas, Dominique Lachenal, and Christine Chirat. "Characterization of dissolving pulp by fibre swelling in dilute cupriethylenediamine (CUEN) solution in a MorFi analyser." Holzforschung 70, no. 7 (2016): 611–17. http://dx.doi.org/10.1515/hf-2015-0167.

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Abstract The swelling of dissolving pulps has been investigated by a new method based on the MorfiR analyser, which is measuring the width variation of thousands of fibres in a cupriethylenediamine (CUEN) solution in a few minutes. Pulps from various origins were analysed coming from softwood, birch wood, eucalyptus wood, kraft pulps, sulphite pulps and ECF and TCF bleached pulps, which were modified by several treatments including chemical (cold caustic extraction, hypochlorite) or enzymatic (cellulase) methods. The swelling was much affected by the crystalline form of cellulose and the hemic

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Silva, Jéssyca Santos, Clarissa Damiani, Thays Lorrayne Lavrinha e. Silva, et al. "Nutritional characterization and technological functional properties of marolo pulp flour." Research, Society and Development 9, no. 4 (2020): e51942826. http://dx.doi.org/10.33448/rsd-v9i4.2826.

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The flour from the pulp of marolo (Annona crassiflora Mart.) is an important source of fiber, however, its use as a food ingredient requires investigation as to its functionality. Thus, this work aimed to evaluate the physical, chemical, nutritional and technological functional properties of the flour obtained from the pulp of marolo, thus verifying its potential application in food products. The analyzes performed on the flour were proximal composition, mineral composition, vitamin C content, total carotenoids, beta-carotene, antioxidant activity and technological functional properties. The f

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Kato, Yoji, and Mikihiko Kobayashi. "Isolation and Characterization of Hemicelluloses from Beet Pulp." Journal of Applied Glycoscience 47, no. 1 (2000): 45–48. http://dx.doi.org/10.5458/jag.47.45.

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Kerekes, Richard J. "Characterization of pulp refiners by a C-factor." Nordic Pulp & Paper Research Journal 5, no. 1 (1990): 3–8. http://dx.doi.org/10.3183/npprj-1990-05-01-p003-008.

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Mohlin, Ulla-Britt, and Cecilia Alfredsson. "Fibre deformation and its implications in pulp characterization." Nordic Pulp & Paper Research Journal 5, no. 4 (1990): 172–79. http://dx.doi.org/10.3183/npprj-1990-05-04-p172-179.

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Mansfield, Shawn D., Ed de Jong, R. Scott Stephens, and John N. Saddler. "Physical characterization of enzymatically modified kraft pulp fibers." Journal of Biotechnology 57, no. 1-3 (1997): 205–16. http://dx.doi.org/10.1016/s0168-1656(97)00100-4.

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Suguro, H., M. Asano, Y. Kaneko, et al. "Characterization of human dental pulp-derived cell lines." International Endodontic Journal 41, no. 7 (2008): 609–16. http://dx.doi.org/10.1111/j.1365-2591.2008.01409.x.

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Niemi, Jan, and Torbjörn Löfqvist. "Wood pulp characterization by a novel photoacoustic sensor." Measurement Science and Technology 23, no. 8 (2012): 085607. http://dx.doi.org/10.1088/0957-0233/23/8/085607.

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