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ICS/bruksområde: kjemi


polyvinylbutyral
Norsk - bokmål
Forkortelse(r):




 
polyvinylbutyral
Norsk - nynorsk
Forkortelse(r):




 
polyvinyl butyral
Engelsk
Definisjon(er):
Polyvinyl butyral is a specialty resin used primarily as a raw material for laminated safety glass sheet. Polyvinyl butyral (PVB) is a special tough and resilient material which is sandwiched between two layers of glass and then permanently bonded using high temperatures and pressure.


Polyvinylbutyral (PVB) is a product of reaction between polyvinyl alcohol and butyl aldehyde. besides acetal links (65-78%) it contains also vinyl alcohol links (19-32%) and vinyl acetate links (up to 3%), which are not shown in the formula. PVB is white powder without impurities. It is weather- and lightproof, highly adhesive and mechanically strong, dissolves in various organic solvents, transparent.




Synonym(er):
polyvinylbutyral




Forkortelse(r):




 

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Spørsmål/kommentarer
Prosjektleder Håvard Hjulstad
hhj@standard.no

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