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Letteratura scientifica selezionata sul tema "Plasticizers"

Autore: Grafiati

Pubblicato: 4 giugno 2021

Ultima modifica: 25 luglio 2025

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Articoli di riviste sul tema "Plasticizers"

Wu, Hailong, Biyun Zhou, Chuanfu Cen, and Yu Cao. "Study on the influence of environmentally friendly plasticizers on the properties of polyvinyl chloride." Journal of Physics: Conference Series 2713, no. 1 (2024): 012007. http://dx.doi.org/10.1088/1742-6596/2713/1/012007.

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Abstract In this work, the torque rheology, mechanical properties, migration resistance, thermal deformation, and Vicat softening point temperature of PVC plasticized by four environmentally friendly plasticizers are investigated. The experimental results reveal that the plasticizer’s heavy metal content meets production requirements while falling below the limiting standard. Plasticizer melting points differ, as do the enthalpy and torque of the entire melting process, resulting in different energy consumption when melting plasticizers. Also, the mechanical properties of PVC are not different

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Menčík, Přemysl, Radek Přikryl, Ivana Stehnová, et al. "Effect of Selected Commercial Plasticizers on Mechanical, Thermal, and Morphological Properties of Poly(3-hydroxybutyrate)/Poly(lactic acid)/Plasticizer Biodegradable Blends for Three-Dimensional (3D) Print." Materials 11, no. 10 (2018): 1893. http://dx.doi.org/10.3390/ma11101893.

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This paper explores the influence of selected commercial plasticizers structure, which are based on esters of citric acid, on mechanical and thermal properties of Poly(3-hydroxybutyrate)/Poly(lactic acid)/Plasticizer biodegradable blends. These plasticizers were first tested with respect to their miscibility with Poly(3-hydroxybutyrate)/Poly(lactic acid) (PHB/PLA) blends using a kneading machine. PHB/PLA/plasticizer blends in the weight ratio (wt %) of 60/25/15 were then prepared by single screw and corotating meshing twin screw extruders in the form of filament for further three-dimensional (

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Hazrol, M. D., S. M. Sapuan, E. S. Zainudin, M. Y. M. Zuhri, and N. I. Abdul Wahab. "Corn Starch (Zea mays) Biopolymer Plastic Reaction in Combination with Sorbitol and Glycerol." Polymers 13, no. 2 (2021): 242. http://dx.doi.org/10.3390/polym13020242.

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The research included corn starch (CS) films using sorbitol (S), glycerol (G), and their combination (SG) as plasticizers at 30, 45, and 60 wt %, with a traditional solution casting technique. The introduction of plasticizer to CS film-forming solutions led to solving the fragility and brittleness of CS films. The increased concentration of plasticizers contributed to an improvement in film thickness, weight, and humidity. Conversely, plasticized films reduced their density and water absorption, with increasing plasticizer concentrations. The increase in the amount of the plasticizer from 30 t

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Li, Huabei, Xiaolin Wang, Xinding Yao, and Hongying Chu. "Synthesis and properties of chlorine and phosphorus containing rubber seed oil as a second plasticizer for flame retardant polyvinyl chloride materials." Polish Journal of Chemical Technology 25, no. 2 (2023): 36–42. http://dx.doi.org/10.2478/pjct-2023-0015.

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Abstract The synthesis of multifunctional plasticizer using rubber seed oil can increase its added value and expand the application field of plasticized products. Recent studies on bio-based plasticizers focus on bio-based raw materials but products lack functionality. In this study, flame retardant phosphate and chlorine were introduced into the chemical structure of rubber seed oil to synthesis a nitrogen and phosphorus synergistic flame retardant plasticizer based on rubber seed oil(NPFP) and apply it to plasticize polyvinyl chloride (PVC). Thermal stability, limiting oxygen index, plastici

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Song, Hui Jun, and Ke Yong Tang. "Effects of Various Plasticizers on the Moisture Sorption and Mechanical Properties of Gelatin-Chitosan Composite Films." Advanced Materials Research 295-297 (July 2011): 1202–5. http://dx.doi.org/10.4028/www.scientific.net/amr.295-297.1202.

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Effects of various types and amounts of plasticizer on the moisture sorption and mechanical properties of gelatin-chitosan composite films were investigated. The films were plasticized with glycerol, polyethylene glycol 400 (PEG 400), polyethylene glycol 800 (PEG 800), and sorbitol, respectively. With increasig the amount of plasticizers in the composite films plasticized with the fromer three plastizers, the equilibrium moisture sorption ratio increases. For the last one, however, it decreases with increasing the plastizers content. Increasing the plasticizer content decreases the tension str

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Syafiq, Razali Mohamad Omar, Salit Mohd Sapuan, Mohamed Yusoff Mohd Zuhri, Siti Hajar Othman, and Rushdan Ahmad Ilyas. "Effect of plasticizers on the properties of sugar palm nanocellulose/cinnamon essential oil reinforced starch bionanocomposite films." Nanotechnology Reviews 11, no. 1 (2022): 423–37. http://dx.doi.org/10.1515/ntrev-2022-0028.

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Abstract This work examines the effects of plasticizer type and concentration on mechanical, physical, and antibacterial characteristics of sugar palm nanocellulose/sugar palm starch (SPS)/cinnamon essential oil bionanocomposite films. In this research, the preparation of SPS films were conducted using glycerol (G), sorbitol (S), and their blend (GS) as plasticizers at ratios of 1.5, 3.0, and 4.5 wt%. The bionanocomposite films were developed by the solution casting method. Plasticizer Plasticizers were added to the SPS film-forming solutions to help overcome the fragile and brittle nature of

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Fu, Qinghe, Jihuai Tan, Fang Wang, and Xinbao Zhu. "Study on the Synthesis of Castor Oil-Based Plasticizer and the Properties of Plasticized Nitrile Rubber." Polymers 12, no. 11 (2020): 2584. http://dx.doi.org/10.3390/polym12112584.

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A series of new environment-friendly plasticizers was synthesized from castor oil and used to plasticize nitrile rubber (NBR). The test results showed that tensile strength, elongation at break, and tear strength of NBR vulcanizates plasticized by castor oil-based plasticizers were found to be better than that of dioctyl phthalate (DOP). The aging test taken demonstrated that the castor oil-based plasticizers could improve the hot air and oil aging resistance of NBR vulcanizates. The thermal stability test illustrated that castor oil-based plasticizers enhanced the thermal stability of NBR vul

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Petchwattana, Nawadon, Paramaporn Kerdsap, and Benjatham Sukkaneewat. "Plasticization of Poly(Vinyl Chloride) by Non-Carcinogenic Bio-Plasticizers." Key Engineering Materials 862 (September 2020): 99–103. http://dx.doi.org/10.4028/www.scientific.net/kem.862.99.

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In this paper, three different plasticizer molecular sizes namely; glycerol (C3), tributyrin (C15) and trilaurin (C32) was used as non-carcinogenic plasticizers in poly(vinyl chloride) (PVC). The experimental results indicated that all the plasticizers play an important role of PVC toughening. Among of these plasticizers, tributyrin was the most effective for PVC plasticization due to its suitable molecular size. With the presence of tributyrin, PVC was found to tougher and softer which reflected as the increased tensile elongation at break, impact strength and the decreased tensile strength.

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Jia, Puyou, Haoyu Xia, Kehan Tang, and Yonghong Zhou. "Plasticizers Derived from Biomass Resources: A Short Review." Polymers 10, no. 12 (2018): 1303. http://dx.doi.org/10.3390/polym10121303.

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With rising environmental concerns and depletion of petrochemical resources, biomass-based chemicals have been paid more attention. Polyvinyl chloride (PVC) plasticizers derived from biomass resources (vegetable oil, cardanol, vegetable fatty acid, glycerol and citric acid) have been widely studied to replace petroleum-based o-phthalate plasticizers. These bio-based plasticizers mainly include epoxidized plasticizer, polyester plasticizer, macromolecular plasticizer, flame retardant plasticizer, citric acid ester plasticizer, glyceryl ester plasticizer and internal plasticizer. Bio-based plast

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Czogała, Joanna, Ewa Pankalla, and Roman Turczyn. "Recent Attempts in the Design of Efficient PVC Plasticizers with Reduced Migration." Materials 14, no. 4 (2021): 844. http://dx.doi.org/10.3390/ma14040844.

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This paper reviews the current trends in replacing commonly used plasticizers in poly(vinyl chloride), PVC, formulations by new compounds with reduced migration, leading to the enhancement in mechanical properties and better plasticizing efficiency. Novel plasticizers have been divided into three groups depending on the replacement strategy, i.e., total replacement, partial replacement, and internal plasticizers. Chemical and physical properties of PVC formulations containing a wide range of plasticizers have been compared, allowing observance of the improvements in polymer performance in comp

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Tesi sul tema "Plasticizers"

Erythropel, Hanno. "Designing green plasticizers." Thesis, McGill University, 2011. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=103728.

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Plasticizers are additives in poly (vinyl chloride) (PVC) formulations that render the material flexible. This is important for many applications. Because these plasticizers are not bound to the polymer chemically, they will eventually leach out upon disposal. Considering also the widespread use of flexible PVC, it is not surprising that some plasticizers, such as di(2-ethylhexyl) phthalate (DEHP), are considered ubiquitous contaminants in the environment. Previous studies have shown that DEHP, upon degradation, forms stable, toxic metabolites. Because of this and other concerns, DEHP and othe

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Lindström, Annika. "Environmentally Friendly Plasticizers for PVC : Improved Material Properties and Long-term Performance Through Plasticizer Design." Doctoral thesis, KTH, Fiber- och polymerteknik, 2007. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-4272.

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Linear and branched poly(butylene adipate) polyesters with number-average molecular weights ranging from 700 to 10 000 g/mol, and degrees of branching ranging from very low to hyperbranched were solution cast with PVC to study the effects of chemical structure, molecular weight, end-group functionality, and chain architecture on plasticizing efficiency and durability. Miscibility was evaluated by the existence of a single glass transition temperature and a shift of the carbonyl group absorption band. Desirable mechanical properties were achieved in flexible PVC films containing 40 weight-% of

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Lindström, Annika. "Environmentally friendly plasticizers for PVC : improved material properties and long-term performance through plasticizer design /." Stockholm : Fiber- och polymerteknologi Fibre and Polymer Technology, 2007. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-4272.

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Xuan, Wenxiang. "Glucose Levulinates as Bio-plasticizers." Thesis, KTH, Skolan för kemivetenskap (CHE), 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-218153.

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Glucose, as the most plentiful sugar in nature, is a renewable resource and possesses excellent record in health safety. Levulinic acid is a platform chemical which plays an important role in biomass transformation and reactive intermediates. Both glucose and levulinic acid can be produced by biomass conversion with green processing techno logies. Due to the rising needs for bio-based, eco-friendly and non-toxic plasticizers, glucose levulinates as bio plasticizers were synthesized from glucose and levulinic acid, by utilizing microwave radiation or conventional condensation reaction (direc

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Lahdou, Gilbert. "Microbial degradation of dibenzoate plasticizers." Thesis, McGill University, 2005. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=98983.

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Earlier work with the dibenzoate plasticizers, di(propylene-glycol) dibenzoate (D(PG)DB) and di(ethylene-glycol) dibenzoate (D(EG)DB), had shown that one yeast could hydrolyze one of the ester bonds of these compounds resulting in an accumulation of the monoesters, di(propylene-glycol) monobenzoate or di(ethylene-glycol) monobenzoate, respectively. These monoesters exhibited an acute toxicity greater than that of the parent compounds and greater than the metabolites of the widely used phthalate and adipate plasticizers.<br>In the present study, it was shown that the degradation of dibenzoate p

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Desai, Dipen. "Solid-state plasticizers for melt extrusion /." View online ; access limited to URI, 2007. http://0-digitalcommons.uri.edu.helin.uri.edu/dissertations/AAI3276980.

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Kermanshahi, pour Azadeh. "Towards the development of green plasticizers." Thesis, McGill University, 2010. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=95155.

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Research was conducted to investigate the effect of chemical functional groups, including the ether function and alkyl branches, on the biodegradation mechanisms and biodegradation rates of dibenzoate plasticizers. Biodegradation of 1,6-hexandiol dibenzoate, a potential green dibenzoate plasticizer, by Rhodococcus rhodochrous, was investigated in the presence of hexadecane as a primary carbon source. The metabolites, produced in the biodegradation process were detected using GC/MS and Fourier transform mass spectroscopy techniques. None of these metabolites were stable, with all tending to bio

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Korsieporn, Pira. "Interaction of plasticizers with mammalian cells." Thesis, McGill University, 2005. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=98982.

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This investigation was focused on the in vitro metabolism of DEHA, DEHP and other common plasticizers by mammalian cell lines. The metabolic products and cell viability of hepatocytes (mouse and human) and human umbilical endothelial cells exposed to plasticizers was investigated in static culture.<br>Gas chromatography and mass spectrometry showed that all of the plasticizers investigated were partially degraded, but at differing rates, depending on the plasticizer and cell line. Solubility and stearic effects were found to play important roles in determining the rate of hydrolysis. The only

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Gartshore, James. "Biodegradation of plasticizers by rhodotorula rubra." Thesis, McGill University, 2001. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=33968.

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The degradation of plasticizers by the yeast Rhodotorula rubra J-96-1 (ATCC 9449) was studied in the presence of a water-soluble substrate (glucose). The plasticizers studied included bis 2-ethylhexyl adipate (B(EH)A), dioctyl phthalate (DOP) and terephthalate (DOTP), which are in widespread use. In addition, the degradation of two less common plasticizers, di-propylene glycol dibenzoate (D(PG)DB) and di-ethylene glycol dibenzoate (D(EG)DB), were studied. It has been proposed that the latter plasticizers be used as alternatives to the commonly used plasticizers, which have been associated with

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Sauvageau, Dominic. "Microbial esterase and the degradation of plasticizers." Thesis, McGill University, 2004. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=81563.

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Previous studies have shown that the biodegradation of di-ester plasticizers can lead to the accumulation of toxic recalcitrant metabolites. Rhodococcus rhodochrous ATCC 13808 is a bacterium known to degrade plasticizers. The first steps of the biodegradation mechanism consist of esterase-mediated hydrolyses. The present study focused on characterizing the esterase produced by R. rhodochrous and defining its impact on the rate of hydrolysis of different di-ester plasticizers.<br>By means of esterase activity and growth studies, it was possible to determine that the esterase produced by

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Libri sul tema "Plasticizers"

George, Wypych, ed. Handbook of plasticizers. ChemTecPub, 2004.

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Luqman, Mohammad. Recent advances in plasticizers. INTECH, 2012.

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Institute, American Concrete, and Canada Centre for Mineral and Energy Technology., eds. Super-plasticizers in concrete. University Microfilms, 1989.

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Wilson, Alan S. Plasticisers: Selection, applications and implications. RAPRA Technology, 1995.

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Wilson, Alan S. Plasticisers: Principles and practice. Institute of Materials, 1995.

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Liu, Zhongyi. Green Catalytic Hydrogenation of Phthalate Plasticizers. Springer Nature Singapore, 2022. http://dx.doi.org/10.1007/978-981-16-9789-0.

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CANMET/ACI, International Conference on Superplasticizers and other Chemical Admixtures in Concrete (4th 1994 Montréal Québec). Fourth CANMET/ACI International Conference on Superplasticizers and other Chemical Admixtures in Concrete. American Concrete Institute, 1994.

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S, Ramachandran V., and Canada Centre for Mineral and Energy Technology., eds. Superplasticizers: Properties and applications in concrete. Canada Centre for Mineral and Energy Technology, 1998.

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Gołaszewski, Jacek. Wpływ superplastyfikatorów na właściwości reologiczne mieszanek na spoiwach cementowych w układzie zmiennych czynników technologicznych. Wydawn. Politechniki Śląskiej, 2006.

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M, Malhotra V., Canada Centre for Mineral and Energy Technology., American Concrete Institute, and CANMET/ACI International Conference on Superplasticizers and other Chemical Admixtures in Concrete (5th : 1997 : Rome, Italy), eds. Superplasticizers and other chemical admixtures in concrete: Proceedings, fifth CANMET/ACI international conference, Rome, Italy, 1997. ACI International, 1997.

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Capitoli di libri sul tema "Plasticizers"

Narvaéz Rincón, Paulo César, and Oscar Yesid Suárez Palacios. "Plasticizers." In Polymers and Polymeric Composites: A Reference Series. Springer Berlin Heidelberg, 2015. http://dx.doi.org/10.1007/978-3-642-37179-0_73-1.

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SEARS, J. K., N. W. TOUCHETTE, and J. R. DARBY. "Plasticizers." In ACS Symposium Series. American Chemical Society, 1985. http://dx.doi.org/10.1021/bk-1985-0285.ch026.

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Grossman, Elizabeth. "Plasticizers." In Chasing Molecules. Island Press/Center for Resource Economics, 2009. http://dx.doi.org/10.5822/978-1-61091-157-3_5.

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Donskoi, A. A., M. A. Shashkina, and G. E. Zaikov. "Plasticizers." In Fire Resistant and Thermally Stable Materials Derived from Chlorinated Polyethylene. CRC Press, 2023. http://dx.doi.org/10.1201/9780429070723-7.

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Howick, C. J. "Plasticizers." In Plastics Additives. Springer Netherlands, 1998. http://dx.doi.org/10.1007/978-94-011-5862-6_54.

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Gooch, Jan W. "Compatibility of Plasticizers." In Encyclopedic Dictionary of Polymers. Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4419-6247-8_2721.

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Cadogan, D. F. "Plasticizers: health aspects." In Plastics Additives. Springer Netherlands, 1998. http://dx.doi.org/10.1007/978-94-011-5862-6_55.

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González-Mariño, Iria, Rosa Montes, José Benito Quintana, and Rosario Rodil. "Plasticizers." In Reference Module in Chemistry, Molecular Sciences and Chemical Engineering. Elsevier, 2018. http://dx.doi.org/10.1016/b978-0-12-409547-2.14009-0.

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Godwin, Allen D. "Plasticizers." In Applied Plastics Engineering Handbook. Elsevier, 2017. http://dx.doi.org/10.1016/b978-0-323-39040-8.00025-0.

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Wadey, B. L. "Plasticizers." In Encyclopedia of Physical Science and Technology. Elsevier, 2003. http://dx.doi.org/10.1016/b0-12-227410-5/00586-x.

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Atti di convegni sul tema "Plasticizers"

Totev, Daniel. "Driving Higher Performance with Ultra-High Solids Epoxy Systems for Long-Term Asset Protection." In SSPC 2018. SSPC, 2018. https://doi.org/10.5006/s2018-00077.

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Abstract Epoxy coatings have a long and successful track record in marine and protective coatings, due to the combined offerings of excellent corrosion and chemical resistance. As regional environmental drivers become firmly established, the industry is faced with the constant challenge of providing solutions which can comply with emerging VOC regulations. There is a continuous trend to move the technology from the so-called conventional paint to high solids coatings, and more recently, to ultra-high solids coatings [1]. At the same time the overall performance attributes associated with high

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Molyneux, Michael Schmitz. "Compatibility of Oils and Plasticizers in Various Polymers." In Technical Meeting of the Rubber Division, ACS. Rubber Division - American Chemical Society (ACS), 2024. https://doi.org/10.52202/077855-0031.

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Makarovič, Kostja, and Barbara Malič. "Non-phthalate and biobased plasticizers in suspensions for tape casting." In 2024 IEEE 10th Electronics System-Integration Technology Conference (ESTC). IEEE, 2024. http://dx.doi.org/10.1109/estc60143.2024.10712014.

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Cabeza, Andres F., Alvaro Orjuela, and David E. Bernal Neira. "A Novel Cost-Efficient Tributyl Citrate Production Process." In Foundations of Computer-Aided Process Design. PSE Press, 2024. http://dx.doi.org/10.69997/sct.122277.

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Phthalates are the most widely used plasticizers in the polymers industry; however, their toxicity and environmental impacts have led to their ban in various applications. This has driven the search for more sustainable alternatives, including biobased citrate esters, especially tributyl citrate (TBC) and its acetylated form. TBC is typically produced by refined citric acid (CA) esterification with 1-butanol (BuOH). However, the high energy and materials-intensive downstream purification of fermentation-derived CA involves high production costs, thus limiting the widespread adoption of TBC as

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Gu, Ji-Dong, and Yingying Wang. "Degradation of the Plasticizers Orthd-Dimethyl Phthalate Ester by Environmental Bacteria." In CORROSION 2004. NACE International, 2004. https://doi.org/10.5006/c2004-04586.

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Abstract Synthetic organic compounds in polymeric materials can migrate out to the environment and disrupt the endocrine system in organisms, including humans. These compounds can also promote the growth of microorganisms on surfaces of materials. They have been detected in a wide range of environments and their concentration can be as high as 10 g L-1 of phthalic acid and dimethyl phthalate ester (DMPE) in landfill leachate. We initiated an investigation on biodegradability of phthalic acid and DMPE’s. Enrichment cultures of bacteria obtained from activated sludge and mangrove can fully miner

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Pinel, E., J. Mason, and G. O'Brien. "Experimental Investigation of Buckling in Highly Aged Polyamide-11 Liners." In CORROSION 2004. NACE International, 2004. https://doi.org/10.5006/c2004-04713.

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Abstract Polyamide-11 undergoes a chemical aging process, caused by hydrolysis that gradually reduces the polymer's ductility and molecular weight. This is well understood and well documented in the open literature. The effects of hydrolysis on the mechanical properties of plasticized polyamide-11 as a pipeline liner are less well understood. This paper describes a study in which liners are subjected to accelerated aging by hydrolysis followed by multiple buckling cycles. The effects of molecular weight gradient through the liner wall, residual plasticizer content, and the installed stress sta

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Lupaescu, Ancuta-Veronica, Florin Ursachi, and Aurelian Rotaru. "BIOSYNTHESIS AND CHARACTERIZATION OF SILVER NANOPARTICLES ANTIOXIDANT FILMS FROM ALOE VERA DRIED GEL." In SGEM International Multidisciplinary Scientific GeoConference. STEF92 Technology, 2024. https://doi.org/10.5593/sgem2024v/6.2/s25.20.

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Biopolymer-based packaging materials are increasingly favored for their eco-friendly and biodegradable properties. Among the promising biopolymer materials, agar-based biodegradable films stand out since they are made from water and plasticizers like glycerol. However, they often suffer from reduced mechanical strength and higher moisture sensitivity compared to synthetic alternatives. To address these issues, this study explores the incorporation of silver nanoparticles (AgNPs) into agar-based films using Aloe vera gel as a green synthesis agent. The study demonstrates that Aloe vera gel effe

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Perez-De-Obanos, Mercedes, and Silvia Marin. "PVC Flexible Liners as Corrosion Protection for Brine Treatment Tanks in Chlor-Alkali Plants." In CORROSION 1999. NACE International, 1999. https://doi.org/10.5006/c1999-99408.

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Abstract Three flexible PVC sheets were evaluated to determine their suitability as liners to protect existing steel tanks handling treated brine at 55°C in a membrane technology Chlor- Alkali plants. The evaluation included: characterization of liners and plasticizers (by Soxhlet technique, Infrared Spectroscopy (IRS), Secondary Ion Mass Spectroscopy (SIMS) and Gel Permeation Chromatography (GPC); quantification of brine pollutants by Atomic Emission Spectroscopy (AES) and weight-loss/volume ratios; observation of the superficial damage produced by extended immersion in acid hot brine by Scan

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Takai, Junya. "Liquid Rubber: a Cross-linkable Plasticizer." In Technical Meeting of the Rubber Division, ACS. Rubber Division - American Chemical Society (ACS), 2024. https://doi.org/10.52202/077855-0026.

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Gu, Tingyue, and Dake Xu. "Why Are Some Microbes Corrosive and Some Not?" In CORROSION 2013. NACE International, 2013. https://doi.org/10.5006/c2013-02336.

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Abstract Biocorrosion is also known as microbial corrosion and microbiologically influenced (or induced) corrosion (MIC). Biofilms are responsible for MIC. At least three different types of MIC can be defined. Type I MIC involves microbes such as sulfate reducing bacteria (SRB), nitrate/nitrite reducing bacteria (NRB) and methanogens, which are collectively called “XRB,” in which “X” stands for sulfate, nitrate, nitrite, CO2 or another non-oxygen oxidant and “B” for bugs that include prokaryotes, archaea and eucaryotes. These corrosive microbes respire on an oxidant to oxidize an organic carbo

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Rapporti di organizzazioni sul tema "Plasticizers"

Colletti, Catherine, and Eric Neuman. Evaluation of Binders and Plasticizers in Kollidon VA 64-PEG Binder Systems. Office of Scientific and Technical Information (OSTI), 2022. http://dx.doi.org/10.2172/1877853.

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Edwards, Stephanie L. Aging Studies on Nitro-Plasticizer. Office of Scientific and Technical Information (OSTI), 2013. http://dx.doi.org/10.2172/1091322.

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Swearengen, P. M., and J. S. Johnson. Toxicology study of the high-energy plasticizer FEFO. Office of Scientific and Technical Information (OSTI), 1989. http://dx.doi.org/10.2172/6408650.

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Shear, Trevor Allan. Using Statistical Analysis Software to Advance Nitro Plasticizer Wettability. Office of Scientific and Technical Information (OSTI), 2017. http://dx.doi.org/10.2172/1377391.

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Edwards, Stephanie L. The Effects of Temperature, Aging, and Plasticizer Content on VCE. Office of Scientific and Technical Information (OSTI), 2013. http://dx.doi.org/10.2172/1082236.

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WROBLESKI, DEBRA A., DAVID A. LANGLOIS, E. BRUCE ORLER, et al. ACCELERATED AGING AND CHARACTERIZATION OF A PLASTICIZED POLY(ESTER URETHANE) BINDER. Office of Scientific and Technical Information (OSTI), 2007. http://dx.doi.org/10.2172/1074589.

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Gitti, Rossitza K., and Stanley A. Ostazeski. Saturation Transfer Difference NMR as an Analytical Tool for Detection and Differentiation of Plastic Explosives on the Basis of Minor Plasticizer Composition. Defense Technical Information Center, 2015. http://dx.doi.org/10.21236/ada621999.

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สิริภัทราวรรณ, อุบลรัตน์, สุวัสสา พงษ์อำไพ та สุภาภรณ์ ดั๊กกลาส. การใช้ฟิล์มเคลือบบริโภคได้จากไคโตซานเพื่อยืดอายุการเก็บของผลิตภัณฑ์อาหารแช่เย็นพร้อมบริโภคได้ : รายงานการวิจัย. จุฬาลงกรณ์มหาวิทยาลัย, 2009. https://doi.org/10.58837/chula.res.2009.42.

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The objective of this research was to use chitosan coating for shelf life extension of refridgerated ready-to-eat food product. The research was separated into 3 sections. Firstly, the optimum packaging material and condtion for packaging of brioled boneless por1<. (BBP) was determined by using polypropylene bag under atmospheric air (OPP) and polyamide bag under atmospheric air (PA) and vacuum condition (PA-V) and stored at 2 ± 1 °C. The results suggested that PA-V could maintain qualities including color, texture, pH, peroxide values (POV) and organoleptic qualities of BBP better than PA

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Vargas Rojas, Manuela, Felipe Salcedo Galán, and Jorge Medina Perilla. Processability study of thermoplastic starch/poly(Butylene Succinate Adipate) blends in a reactive extrusion. Universidad de los Andes, 2024. https://doi.org/10.51573/andes.pps39.ss.bbb.3.

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Growing concerns about ocean contamination from fossil fuel based polymers have created a demand for biodegradable alternatives, particularly for packaging applications. Thermoplastic starch (TPS) is a promising, eco-friendly biopolymer but has poor mechanical properties and high hydrophilicity. To address these issues, this article explores modifying starches through reactive extrusion and blending them with other biodegradable polymers. The study evaluates blends of native or acetylated starch with poly(butylene succinate) adipate (PBSA), using glycerol as a plasticizer and tartaric acid as

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López-Galindo, Angie, Manuela Vargas-Rojas, and Jorge Medina-Perilla. Evaluation of Dicumyl Peroxide as a Coupling Agent in Thermoplastic Starch and BioPBS Composites. Universidad de los Andes, 2024. https://doi.org/10.51573/andes.pps39.ss.bbb.8.

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To address plastic pollution from fossil fuel polymers, biodegradable alternatives like starch and polybutylene succinate (PBS) are proposed. However, starch is hydrophilic, while PBS and PBSA are hydrophobic. This research investigates the use of dicumyl peroxide (DCP) and tartaric acid (TA) as coupling agents in blends of thermoplastic starch (TPS) and PBS/PBSA, with glycerol as a plasticizer. Different weight/weight compositions of DCP and TA were added to blends in an internal mixer and subsequently compressed molded into films. DCP enhances tensile strength and ductility but increases tor

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