Polyvinyl formal
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Description
A thermoplastic resin made by the condensation of alcohol polyvinyl alcohol with formaldehyde. Polyvinyl formal is a colorless, flexible tough solid. It can be molded, extruded, or cast and is resistant to greases, oils, and alkalis. It is used as a structural adhesive for bonding aircraft components.
Synonyms and Related Terms
poly(vinyl formal); polivinilformaldehido (Esp.); Formvar; polyvinyl acetal
Other Properties
Soluble in glacial acetic acid, Cellosolve acetate, chloroform, diacetone alcohol, phenol, pyridine, THF, toluene.Resistant to alkalis, greases and oils.
| Density | 1.3 |
|---|
Authority
- G.S.Brady, G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971 Comment: p. 848
- Theodore J. Reinhart, Theodore J. Reinhart, 'Glossary of Terms', Engineered Plastics, ASM International, 1988
- Richard S. Lewis, Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993
- Conservation Materials Ltd., Conservation Materials Ltd., Catalog