Polyvinyl acetate (PVAC) CAS 9003-20-7 , also known as polyvinyl acetate. It is a polymer of vinyl acetate (vinyl acetate) with the chemical formula (C4H6O2) n. It is a colorless viscous liquid or a light yellow transparent glassy particle that is soluble in solvents such as benzene, acetone, and chloroform.

Chinese name: polyvinyl acetate

Foreign name: polyvinyl acetate

Alias: White Latex

Chemical formula: (C4H6O2) n

Molecular weight: 20000~200000

CAS login number: 9003-20-7

Melting point: 60 ℃

Boiling point: 70 to 150 ℃

Appearance: Colorless viscous liquid or light yellow transparent glassy particles

Solubility: soluble in aromatic hydrocarbons, ketones, alcohols, esters, and chloroform

Physical and chemical properties

Softening point: 38 ℃

Particle size range: 100-1000nm

Viscosity:>5000mPa · s

Glass transition temperature: ＞ 28 ℃

Minimum film forming temperature: 15 ℃

Dielectric constant (103Hz): 1.15

Tensile strength: 34MPa

Water absorption: 2% -5%

Appearance: Colorless viscous liquid or light yellow transparent glassy particles

Solubility: Soluble in solvents such as benzene, acetone, and chloroform

Application

1. As the base material of gum sugar, it can be used for emulsification of essence and gum sugar according to Chinese regulations, with the maximum usage of 60g/kg;

2. Used for manufacturing toy plush and non-woven fabrics;

3. Used as a raw material for polyvinyl alcohol, vinyl acetate vinyl chloride copolymer, and vinyl acetate ethylene copolymer, as well as in the preparation of coatings, adhesives, etc;

4. Mainly used as a coating, adhesive, paper, chewing gum base material, and fabric finishing agent, it can also be used as a raw material for polyvinyl alcohol and polyvinyl acetal;

5. The basic gum base of gum sugar; Fruit coating agent can prevent water evaporation and maintain freshness;

6. Thermoplastic resin, hydrolyzed into polyvinyl alcohol in acid or alkaline solvents, is the main raw material for preparing polyvinyl alcohol. When molecules contain photosensitizers, they are sensitive to light and undergo decomposition reactions under the action of ultraviolet light or electron beams, exhibiting positive photosensitive resin properties. Polyvinyl acetate is soluble in various organic solvents and can copolymerize with various monomers with double bonds, introducing various functional groups and possessing different properties. Often used as an adhesive;

7. Used as a raw material for polyvinyl alcohol, vinyl acetate vinyl chloride copolymer, vinyl acetate ethylene copolymer, coatings, adhesives, bubble gum, etc.

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