Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Chemical compound
Polyvinyl alcohol (PVOH, PVA, or PVAl) is a water-soluble synthetic polymer. It has the idealized formula [CH2CH(OH)]n. It is used in papermaking, textile warp sizing, as a thickener and emulsion stabilizer in polyvinyl acetate (PVAc) adhesive formulations, in a variety of coatings, and 3D printing. It is colourless (white) and odorless. It is commonly supplied as beads or as solutions in water.[3][4] Without an externally added crosslinking agent, PVA solution can be gelled through repeated freezing-thawing, yielding highly strong, ultrapure, biocompatible hydrogels which have been used for a variety of applications such as vascular stents, cartilages, contact lenses, etc.[5]
Although polyvinyl alcohol is often referred to by the acronym PVA, more generally PVA refers to polyvinyl acetate, which is commonly used as a wood adhesive, sealer and water soluble plastic.
^"Poly(vinyl alcohol)". ChemSrc.
^Schnepf MJ, Mayer M, Kuttner C, et al. (July 2017). "Nanorattles with tailored electric field enhancement". Nanoscale. 9 (27): 9376–9385. doi:10.1039/C7NR02952G. hdl:10067/1447970151162165141. PMID 28656183.
^Cite error: The named reference Ullmann was invoked but never defined (see the help page).
^Tang X, Alavi S (2011). "Recent Advances in Starch, Polyvinyl Alcohol Based Polymer Blends, Nanocomposites and Their Biodegradability". Carbohydrate Polymers. 85: 7–16. doi:10.1016/j.carbpol.2011.01.030.
^Adelnia, Hossein; Ensandoost, Reza; Shebbrin Moonshi, Shehzahdi; et al. (2022-02-05). "Freeze/thawed polyvinyl alcohol hydrogels: Present, past and future". European Polymer Journal. 164: 110974. doi:10.1016/j.eurpolymj.2021.110974. hdl:10072/417476. ISSN 0014-3057. S2CID 245576810.
Polyvinylalcohol (PVOH, PVA, or PVAl) is a water-soluble synthetic polymer. It has the idealized formula [CH2CH(OH)]n. It is used in papermaking, textile...
contain polyvinylalcohol as a protective colloid. In alkaline conditions, boron compounds such as boric acid or borax cause the polyvinylalcohol to cross-link...
hydrolysis kinetics. Because of the instability of vinyl alcohol, the thermoplastic polyvinylalcohol (PVA or PVOH) is made indirectly by polymerization of...
to many surfaces, toughness and flexibility. It is prepared from polyvinylalcohol by reaction with butyraldehyde. The major application is laminated...
This colorless liquid is the precursor to polyvinyl acetate, ethene-vinyl acetate copolymers, polyvinylalcohol, and other important industrial polymers...
Polyvinyl fluoride (PVF) or –(CH2CHF)n– is a polymer material mainly used in the flammability-lowering coatings of airplane interiors and photovoltaic...
Isopropyl alcohol is miscible in water, ethanol, and chloroform, as it is an organic polar molecule. It dissolves ethyl cellulose, polyvinyl butyral, many...
commonly used in explosives and propellants. Polyvinyl nitrate was first synthesized by submersing polyvinylalcohol (PVA) in a solution of concentrated sulfuric...
exception from the usual rules, polyvinylalcohol, (CH2CHOH)n, is produced by hydrolysis of polyvinyl acetate. Vinyl alcohol is not sufficiently stable to...
thermoplastic resins that are polyvinyl formals, which are polymers formed from polyvinylalcohol and formaldehyde as copolymers with polyvinyl acetate. They are...
silicone polymers), can be made by cross-linking polyvinylalcohol with borax. Making flubber from polyvinyl acetate-based glues, such as Elmer's Glue, and...
Polyvinyl chloride (alternatively: poly(vinyl chloride), colloquial: vinyl or polyvinyl; abbreviated: PVC) is the world's third-most widely produced synthetic...
agent; heat can be used to speed up the reaction. Besides povidone, polyvinylalcohol, starch derivatives (e.g. dextrin forming cadexomer iodine), chitosan...
production is consumed in the production of vinyl acetate, precursor to polyvinylalcohol, which is a component of many paints. The second largest use of acetic...
alginate, gelatin and fibrin. Common synthetic polymers include polyvinylalcohol, polyethylene glycol, sodium polyacrylate, acrylate polymers and copolymers...
Rajkumar P, Ramya V, and Mohisha Miriam LR (2021). "Biorefining PolyvinylAlcohol (PVA) by Enterobacter cloacae and its Polyhydroxy Butyrate (PHB) Production...
finished. The mold release agent is a special wax, and/or PVA (Polyvinylalcohol). Polyvinylalcohol, however, is said to have negative effects on the final...
fiber produced from reaction between polyvinylalcohol (PVA) fiber and formaldehyde. Chemically it is polyvinyl formal (PVF). Vinylon was first developed...
radiographic control into the uterine artery. A mass of microspheres or polyvinylalcohol (PVA) material (an embolus) is injected into the uterine arteries...
number code E1202 and is used as a stabiliser. Polyethylene glycol-polyvinylalcohol "Povidones, Copovidones, and Crospovidones for Pharmaceutical Products"...
structure of pitch pine sporopollenin, finding it primarily composed of polyvinylalcohol units alongside other aliphatic monomers, all crosslinked through...
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