418420

Poly(vinyl butyral-co-vinyl alcohol-co-vinyl acetate)

average M_w 170,000-250,000, powder

• Synonym(s): Poly(vinyl butyral-vinyl alcohol-vinyl acetate)
• CAS Number: 27360-07-2
• MDL number: MFCD00132687
• UNSPSC Code: 12162002
• NACRES: NA.23

Properties

• form: powder
• mol wt: average M_w 170,000-250,000
• composition: acetate, 0-2.5 wt. % ; hydroxyl, 17.5-20 wt. % ; vinyl butyral, 80 wt. %
• impurities: <3.5 wt. % Volatiles
• viscosity: 170-260 cSt, 7.5 wt. % in anhydrous methanol(20 °C, Ostwald)(lit.)
• transition temp: T_g 72-78 °C
• solubility: alcohols, glycol ethers and dioxane: soluble
• density: 1.083 g/mL at 25 °C (lit.)
• InChI: 1S/C8H14O2.C4H6O2.C2H4O/c1-4-7-8(9-5-2)10-6-3;1-3-6-4(2)5;1-2-3/h5-6,8H,2-4,7H2,1H3;3H,1H2,2H3;2-3H,1H2
• InChI key: RNNFCYZWIQZWQV-UHFFFAOYSA-N

Description

Application

Ceramic binder, dry toners, wood coatings, composite fiber binders, structural adhesives and interlayer in safety glass.

Features and Benefits

Good binding efficiency, optical clarity and adhesion to a variety of surfaces.

Safety Information

• Storage Class Code: 11 - Combustible Solids
• WGK: WGK 3
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves