B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
B32B 17/10 (2006.01) B29C 47/00 (2006.01) B64C 1/14 (2006.01) C08F 8/28 (2006.01) C08J 5/18 (2006.01) C08K 5/00 (2006.01) C08L 29/14 (2006.01) B29C 47/92 (2006.01)
Patent
CA 2477838
The present invention describes laminate articles comprising a stiff, low- color PVB resin having a YID of less than 12 and having a low concentration of plasticizer in the resin composition, wherein the resin is prepared from a composition that includes a PVB bleaching compound. The laminate articles of the present invention have high curvature. A laminate of the present invention can be particularly useful for aircraft windscreen applications.
La présente invention concerne des articles stratifiés comprenant une résine PVB rigide peu colorée ayant un indice de jaunissement (YID) inférieur à 12 et présentant une faible concentration de plastifiant dans la composition de résine, la résine est préparée à partir d'une composition renfermant un composé de blanchiment de PVB. Les articles stratifiés de la présente invention présentent une forte courbure. Un stratifié de la présente invention peut être tout particulièrement utile dans des applications de pare-brises d'avions.
Read Nolan K. III
Rymer Donald L.
Wong Bert C.
Bennett Jones Llp
E.i. Du Pont de Nemours And Company
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