Difference between revisions of "Polyvinyl butyral"

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== Description ==
 
== Description ==
  
A thermoplastic resin made by the condensation of [[polyvinyl alcohol]] with [[butyraldehyde]]. Polyvinyl butyral is a colorless, flexible tough solid. It is used in sheet form as the center adhesive layer in safety glass. It is also used to waterproof textiles. Polyvinyl butyral is weather resistant.  See also [[Butvar®]].
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A thermoplastic resin made by the condensation of [[polyvinyl alcohol]] with [[butyraldehyde]]. Polyvinyl butyral is a colorless, flexible tough solid. It is used in sheet form as the center adhesive layer in safety glass. It is also used to waterproof textiles. Polyvinyl butyral is weather resistant.  See also [[Butvar]].
  
 
== Synonyms and Related Terms ==
 
== Synonyms and Related Terms ==
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PVB; poly(vinyl butyral); polivinilbutiral (Esp.); polivinil butirrale (It.); Butvar B73; Butvar B-98; Vinal; polyvinyl acetal; x
 
PVB; poly(vinyl butyral); polivinilbutiral (Esp.); polivinil butirrale (It.); Butvar B73; Butvar B-98; Vinal; polyvinyl acetal; x
  
== Other Properties ==
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== Physical and Chemical Properties ==
  
Soluble in alcohols, acetone, aromatic hydrocarbons. Insoluble in water.
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* Soluble in alcohols, acetone, aromatic hydrocarbons.  
 
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* Insoluble in water.
{| class="wikitable"
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* Tg = 45-63 C
|-
 
! scope="row"| Molecular Weight
 
| Tg = 45-63 C
 
|}
 
  
 
== Comparisons ==
 
== Comparisons ==
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[[media:download_file_383.pdf|Physical Properties for Selected Thermoplastic Resins]]
 
[[media:download_file_383.pdf|Physical Properties for Selected Thermoplastic Resins]]
  
 
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==Resources and Citations==
 
 
== Sources Checked for Data in Record ==
 
  
 
* G.S.Brady, ''Materials Handbook'', McGraw-Hill Book Co., New York, 1971  Comment: p. 848
 
* G.S.Brady, ''Materials Handbook'', McGraw-Hill Book Co., New York, 1971  Comment: p. 848
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* Conservation Materials Ltd., Catalog
 
* Conservation Materials Ltd., Catalog
  
* Art and Architecture Thesaurus Online, http://www.getty.edu/research/tools/vocabulary/aat/, J. Paul Getty Trust, Los Angeles, 2000
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* Art and Architecture Thesaurus Online, https://www.getty.edu/research/tools/vocabulary/aat/, J. Paul Getty Trust, Los Angeles, 2000
  
  
  
 
[[Category:Materials database]]
 
[[Category:Materials database]]

Latest revision as of 11:38, 27 September 2022

Description

A thermoplastic resin made by the condensation of Polyvinyl alcohol with Butyraldehyde. Polyvinyl butyral is a colorless, flexible tough solid. It is used in sheet form as the center adhesive layer in safety glass. It is also used to waterproof textiles. Polyvinyl butyral is weather resistant. See also Butvar.

Synonyms and Related Terms

PVB; poly(vinyl butyral); polivinilbutiral (Esp.); polivinil butirrale (It.); Butvar B73; Butvar B-98; Vinal; polyvinyl acetal; x

Physical and Chemical Properties

  • Soluble in alcohols, acetone, aromatic hydrocarbons.
  • Insoluble in water.
  • Tg = 45-63 C

Comparisons

General Characteristics of Polymers

Physical Properties for Selected Thermoplastic Resins

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
  • Conservation Materials Ltd., Catalog