Poly(vinyl alcohol) [98 mol.% hydrolyzed]
Poly(vinyl alcohol) [98 mol.% hydrolyzed]
CAS Number: 9002-89-5
Water-soluble resins of low toxicity. Resins at high % hydrolysis require heating at ~96°C in water for solution. Resins of lower % hydrolysis can be dissolved at progressively lower temperatures with 88% hydrolyzed resin requiring only 85°C for solution.
Soluble in: hot glycerol, hot glycols, hot water. mp >220° d 1.29 Tg 85° MW ~78,000 98 mol% hydrolyzed Viscosity of 4% AQ cps = 28.5-32.5% TSCA
Hazards:
Irritant
Handling: Gloves & fume hood
Storage: Store at room temperature
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