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Relevant bibliographies by topics / PVA/HPC copolymer blends

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Journal articles

Academic literature on the topic 'PVA/HPC copolymer blends'

Author: Grafiati

Published: 3 June 2025

Last updated: 31 July 2025

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Journal articles on the topic "PVA/HPC copolymer blends"

1

Mohamed, A. El-Hag, T. H. Moselhey Manal, and W. Guirguis Osiris. "Extensive Study of the Mechanical Properties of Poly(vinyl alcohol)/ Hydroxypropyl Cellulose Copolymer Blends." British Journal of Applied Science & Technology 21, no. 3 (2017): 1–8. https://doi.org/10.9734/BJAST/2017/34114.

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Many researches have been devoted for studying poly(vinyl alcohol) (PVA) and hydroxypropyl cellulose (HPC) and their blends as important promising biomaterials. In the present work, thin films of pure PVA, pure HPC and their PVA/HPC blends were prepared using the solution casting method. The mechanical properties of the prepared thin films such as stress-strain curve, tensile modulus and tensile strength as well as elongation at break were investigated. The obtained results show that there is an increase in the elastic range and decrease in the hardness of the resulting blends by increasing th

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2

Han, Dongmei, Zhen Guo, Shou Chen, et al. "Enhanced Properties of Biodegradable Poly(Propylene Carbonate)/Polyvinyl Formal Blends by Melting Compounding." Polymers 10, no. 7 (2018): 771. http://dx.doi.org/10.3390/polym10070771.

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Polyvinyl formal (PVF) was first synthesized via the reaction of poly(vinyl alcohol) (PVA) and formaldehyde. The synthesized PVF exhibits a high decomposition temperature, glass transition temperature, and low melting point compared to pristine PVA. The synthesized PVF can be melt processed at temperatures much lower than PVA. Poly(propylene carbonate) (PPC) and the as-made PVF were melt blended in a Haake mixer. The mechanical properties, thermal behaviors, and morphologies of PPC/PVF blends were investigated. Compared to the pure PPC, PPC/PVF blends show higher tensile strength and Vicat sof

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3

Jiang, Li, Cong Yan, Yuan-Ming Zhai, et al. "Highly-toughened PLLA/PVA biodegradable blends: Graft copolymer tailored crystallization and phase morphology." Polymer 312 (October 2024): 127606. http://dx.doi.org/10.1016/j.polymer.2024.127606.

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4

Abutalib, M., and N. Abdel-Zaher. "Study of the Thermal and Structural Properties of PVA/HPC Blends Due to Fast Neutrons Irradiation." British Journal of Applied Science & Technology 11, no. 5 (2015): 1–12. http://dx.doi.org/10.9734/bjast/2015/20495.

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5

Jabrail, Fawzi Habeeb, Maysam Salih Mutlaq, and Roua’a Kassim Al-Ojar. "Studies on Agrochemical Controlled Release Behavior of Copolymer Hydrogel with PVA Blends of Natural Polymers and Their Water-Retention Capabilities in Agricultural Soil." Polymers 15, no. 17 (2023): 3545. http://dx.doi.org/10.3390/polym15173545.

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Agricultural technical development relies exclusively on the effective delivery of agrochemicals and water to plants and on reducing the harmful effects of agrochemicals on useful organisms in the soil. In this study, super-absorbent hydrogels were prepared in the form of microspheres using gum Arabic (GA), which was copolymerized once with chitosan (CS) and once with poly (vinyl alcohol) (PVA). To impart mechanical strength to the hydrogel microspheres, a covalent cross-linker (N,N′-methylenebisacrylamide (MBA)) was used for the PVA/GA hydrogel, and an ionic cross-linker (sodium hexametaphosp

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6

Gökmen, Fatma Özge. "PVP/PVA blended hydrogels as a biofilm for use in food packaging applications." Food and Health 8, no. 3 (2022): 172–80. http://dx.doi.org/10.3153/fh22017.

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Bio-films have been produced that attract attention with their functional behavior among conventional food packaging materials of bio-based polymer blends. The physical and morphological properties of copolymeric biofilms have been extensively investigated. Biodegradable polymer and copolymer films were produced by in situ polymerization technique and prepared as solution casting. The strong water absorbency of polyvinyl alcohol and the antimicrobial property of polyvinylpyrrolidone are combined in a single material. Structural and morphological properties of the films were characterized by Fo

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7

Lawal, N.M., S.A. Osemeahon, D.E.A. Boryo, A.B. Mustapha, and D.S. John. "Development and Characterization of Polyvinyl Acetate/Soybeans Oil Copolymer Binder for Emulsion Paint." Chemistry Research Journal 4, no. 2 (2019): 97–104. https://doi.org/10.5281/zenodo.13369690.

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In this work, blending of soybeans oil (SBO) with polyvinyl acetate (PVA) was carried out successfully. Some physical properties of the blends were equally studied. Melting point (80<sup>0</sup>C-60<sup>0</sup>C) and density (1.20 g/cm<sup>3</sup>-1.07 g/cm<sup>3</sup>) decreased with increased in SBO concentration in the blend. Viscosity increased (2.0 m<sup>2</sup>/s) initially before a constant viscosity values was observed (4.20 m<sup>2</sup>/s) and a gradual decrease (2.90 m<sup>2</sup>/s) with increased in  SBO concentration while a gradual increase was recorded for refractive index

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8

Windolf, Hellen, Rebecca Chamberlain, Arnaud Delmotte, and Julian Quodbach. "Blind-Watermarking—Proof-of-Concept of a Novel Approach to Ensure Batch Traceability for 3D Printed Tablets." Pharmaceutics 14, no. 2 (2022): 432. http://dx.doi.org/10.3390/pharmaceutics14020432.

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Falsified medicines are a major issue and a threat around the world. Various approaches are currently being investigated to mitigate the threat. In this study, a concept is tested that encodes binary digits (bits) on the surface of Fused Deposition Modelling (FDM) 3D printed geometries. All that is needed is a computer, a FDM 3D printer and a paper scanner for detection. For the experiments, eleven different formulations were tested, covering the most used polymers for 3D printing in pharma: Ethylene-vinyl acetate (EVA), polyvinyl alcohol (PVA), polylactic acid (PLA), Hypromellose (HPMC), ethy

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9

Mounayer, Natalie, Sivan Shoshani, Elena Afrimzon, et al. "Encapsulation of Hydrogen Peroxide in PVA/PVP Hydrogels for Medical Applications." Gels 11, no. 1 (2025): 31. https://doi.org/10.3390/gels11010031.

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Researchers have been investigating the physical and morphological properties of biodegradable polymer and copolymer films, blending them with other chemicals to solve challenges in medical, industrial, and eco-environmental fields. The present study introduces a novel, straightforward method for preparing biodegradable hydrogels based on polyvinyl alcohol (PVA) and polyvinyl pyrrolidone (PVP) for medical applications. The resulting PVA/PVP-based hydrogel uniquely combines the water absorbency, biocompatibility, and biodegradability of the polymer composite. For hygiene products and medical us

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