Difference between revisions of "Polyvinyl formal"

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== Description ==
  
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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.
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[[[SliderGallery rightalign|aaiP_VINYLFORMAL.jpg~FTIR]]]
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== Synonyms and Related Terms ==
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poly(vinyl formal); polivinilformaldehido (Esp.); Formvar; polyvinyl acetal
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==Physical and Chemical Properties==
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* Soluble in glacial acetic acid, Cellosolve acetate, chloroform, diacetone alcohol, phenol, pyridine, THF, toluene.
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* Resistant to alkalis, greases and oils.
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* Density = 1.3 g/ml
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==Resources and Citations==
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* G.S.Brady, ''Materials Handbook'', McGraw-Hill Book Co., New York, 1971  Comment: p. 848
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* Theodore J. Reinhart, 'Glossary of Terms', ''Engineered Plastics'', ASM International, 1988
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* Richard S. Lewis, ''Hawley's Condensed Chemical Dictionary'', Van Nostrand Reinhold, New York, 10th ed., 1993
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* Conservation Materials Ltd., Catalog
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[[Category:Materials database]]

Latest revision as of 11:53, 27 September 2022

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.

FTIR

AaiP VINYLFORMAL.jpg

Synonyms and Related Terms

poly(vinyl formal); polivinilformaldehido (Esp.); Formvar; polyvinyl acetal

Physical and Chemical Properties

  • Soluble in glacial acetic acid, Cellosolve acetate, chloroform, diacetone alcohol, phenol, pyridine, THF, toluene.
  • Resistant to alkalis, greases and oils.
  • Density = 1.3 g/ml

Resources and Citations

  • G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971 Comment: p. 848
  • Theodore J. Reinhart, 'Glossary of Terms', Engineered Plastics, ASM International, 1988
  • Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993
  • Conservation Materials Ltd., Catalog