C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
154/111, 402/68
C08F 8/28 (2006.01) B32B 17/10 (2006.01)
Patent
CA 1245397
ABREGE DESCRIPTIF L'invention concerne la fabrication d'un poly- vinylbutyral amélioré. Selon l'invention, on prépare le polyvinylbutyral par réaction d'alcool polyvinylique en solution aqueuse et d'aldéhyde butyrique, en présence d'un catalyseur acide et de dioctylsulfosuccinate de sodium en tant qu'émulsifiant. Le polyvinylbutyral peut être utilisé comme intercalaire dans les vitrages feuil- letés.
456607
Goudreau Gage Dubuc
Saint-Gobain Vitrage
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