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Brief introduction of melting point of polyvinyl butyral
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PVB, called polyvinyl butyral for short, is a kind of white powder (or particles), which is harmful to glass, metal, wood, ceramics and fiber products. It has good adhesion and dispersibility to pigments and dyes, and is often used as a modifier for adhesives, coatings, printing inks and hot melt adhesives.
PVB has good performance and a wide range of functions, and the melting point is also a problem. The softening temperature of polyvinyl butyral is 60~65℃, and it begins to decompose at 100℃, and it begins to melt at 150~ 160℃, becoming a solution, and completely dissolves at 200~240℃.
Poly (vinyl butyral) is soluble in alcohols, but soluble in alcohols, such as methanol, ethanol and butanol. Ketones: cyclohexanone, butanone; Aromatic hydrocarbons: benzene, toluene and xylene; Chlorinated hydrocarbons: such as chloroethane and dichloroethane; It has good compatibility with some plasticizers, epoxy resin, phenolic resin and nitrocellulose.
Polyvinyl butyral has excellent solubility, good transparency, chemical stability, light resistance, heat resistance and cold resistance.
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Impact resistance. The film-forming performance is also very good, and it is an indispensable synthetic resin material.
Edited on 2020- 1 1-23. The copyright belongs to the author.
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