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430439 Sigma-Aldrich

Poly(vinyl acetate)

average Mw ~12,800 by GPC, Branched structure

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Properties

mol wt   average Mw ~12,800 by GPC
refractive index   n20/D 1.466
viscosity   15-17 sec., 45 wt. % in acetone(25 °C, Ford, no. 4)(lit.)
  1.5 cP(lit.)
capacity   2.4 % absorption capacity (water)(16 hrs, 25°C)
transition temp   Tg 30 °C (DSC)
  softening point 71 °C (ring and ball)
solubility   ketones, ethers and aromatic hydrocarbons: soluble
density   1.18 g/mL at 25 °C
SMILES string   COC(=O)C=C

Description

Application

Component of coatings, adhesives, inks and lacquers. Textile sizing agent. Precursor for poly(vinyl alcohol).

Features and Benefits

Films swell and may soften in water. Compatible with many common plasticizers. Contains no surfactant. Medium viscosity.
Tendency to cold flow.

Safety & Documentation

Safety Information

Personal Protective Equipment 
RIDADR 
NONH for all modes of transport
WGK Germany 
3
Protocols & Articles
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Description

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189480 Poly(vinyl acetate), average Mw ~100,000 by GPC, beads

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