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(Total 3 Products for Polyvinyl Alcohol For Sale)
Polyvinyl Alcohol For Water Soluable Sheets
Polyvinyl Alcohol For Water Soluable Sheets During the hydrolysis process an alkaline catalyst is used in the methanol solvent to convert the acetate groups of the polyvinyl acetate to hydroxyl groups to generate a reaction to form POVAL. This process controls the amount of hydroxyl groups (called the degree of...
PVA is unique among polymers (chemical compounds made up of large, multiple-unit molecules) in that it is not built up in polymerization reactions from single-unit precursor molecules known as monomers. Instead, PVA is made by dissolving another polymer, polyvinyl acetate (PVAc), in an alcohol such as methanol and...
SINOPEC Polyvinyl Alcohol PVA 2488 1799 For Adhesive
SINOPEC Polyvinyl Alcohol PVA 2488 1799 For Adhesive Polyvinyl alcohol has excellent film-forming, emulsifying and adhesive properties. It is also resistant to oil, grease and solvents. It has high tensile strength and flexibility, as well as high oxygen and aroma barrier properties. However, these properties are...
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