Sigma-Aldrich 341584 Poly(vinyl alcohol) Mw 89,000-98,000, 99+% hydrolyzed CAS No.: 9002-89-5 1 kg
Brand
Stock Code
LB.SA.341584-1KG
Kısa Bilgi
Synonym(s): PVA Linear Formula: [-CH2CHOH-]n CAS Number: 9002-89-5 MDL number: MFCD00081922 NACRES: NA.23
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Sigma-Aldrich 341584 Poly(vinyl alcohol) Mw 89,000-98,000, 99+% hydrolyzed 1 kg
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Synonym(s): PVA
Linear Formula: [-CH2CHOH-]n
CAS Number: 9002-89-5
MDL number: MFCD00081922
NACRES: NA.23
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PROPERTIES
Quality Level 200
form powder
mol wt Mw 89,000-98,000
falling ball 11.6-15.4 cP, 4 % in H2O(20 °C)(lit.)
InChI 1S/C2H4O/c1-2-3/h2-3H,1H2
InChI key IMROMDMJAWUWLK-UHFFFAOYSA-N
DESCRIPTION
General description
Polyvinyl alcohol (PVOH) is a hydrophilic linear polymer which forms copolymers of vinyl alcohol and vinyl acetate. Hence, the structural properties of polyvinyl alcohol polymers depend on the extent of polymerization and hydrolysis. Such changes cause both chemical and physical modifications such as esterification, etherification, crystallization, ion-polymer complexation in the polymer. Modified- PVOH structures are useful in biomedical applications.[1]
Application
NaA zeolite particles have been dispersed in a poly(vinyl alcohol) matrix to prepare a mixed-matrix membrane to study the pervaporative separation of water-butanol mixtures.[2] Poly (vinyl alcohol)/gelatin based biocompatible polymeric scaffolds have been used to design for 3D cancer models.[3]
Packaging
25, 500 g in poly bottle
1 kg in poly bottle
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