目录产品

Poly(vinyl alcohol), MW 133000, 99% hydrolyzed (PVA 133K 99%)

View pricing for: Americas/Asia, Europe, Taiwan
Catalog No. Packaging Size 价格 数量
02815-100 100 g
NT$1,050.00
02815-500 500 g
NT$3,550.00
Bulk Quote

描述

Polyvinyl alcohol (PVA, PVOH) is a 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.

99 mol% hydrolyzed polyvinyl acetate (PVAc); Polydispersity ~2.4
CAS#:
9002-89-5
Molecular Weight:
~133,000
Melting Point:
>220°
Tg:
85°
Density:
1.29
Viscosity:
4% AQ cps = 62.0 - 72.0%
Soluble In:
hot glycerol, hot glycols, hot water.
Reference(s):

Inyang, H. I., Fodor, A., Bae, S. & Mbamalu, G. Polymer Solution–Clay Interaction Effects on Contaminant Barrier Material Integrity: Part I—Solution Characteristics. Environmental Engineering Science 26, 1541–1550 (2009). doi:10.1089/ees.2009.0006

Patil, S. D., Papadimitrakopoulos, F. & Burgess, D. J. Dexamethasone-Loaded Poly(Lactic-Co-Glycolic) Acid Microspheres/Poly(Vinyl Alcohol) Hydrogel Composite Coatings for Inflammation Control. Diabetes Technology & Therapeutics 6, 887–897 (2004). doi:10.1089/dia.2004.6.887


TSCA
 
Hazards:
Harmless-use normal precautions
Handling:
Exercise normal care
Storage:
Store at room temperature
Code:
A2g - (hazard/handling/storage codes)

MSDS / Technical Data Sheets / Product Literature

RELATED PRODUCTS