Difference between revisions of "Polyvinyl formal"
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== Description == | == Description == | ||
| − | A [[thermoplastic|thermoplastic]] resin made by the condensation of [[ | + | A [[thermoplastic|thermoplastic]] resin made by the condensation of [[polyvinyl alcohol]] with [[formaldehyde|formaldehyde]]. Polyvinyl formal is a colorless, flexible tough solid. It can be molded, extruded, or cast and is resistant to [[grease|greases]], [[oil|oils]], and [[alkali|alkalis]]. It is used as a structural adhesive for bonding aircraft components. |
== Synonyms and Related Terms == | == Synonyms and Related Terms == | ||
Revision as of 12:45, 5 October 2016
Description
A Thermoplastic resin made by the condensation of 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 |
|---|
Sources Checked for Data in Record
- 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