Low-color stiff pvb laminates

Details Low-color stiff pvb laminates Low-color stiff pvb laminates

C - Chemistry, Metallurgy

08

K

C08K 5/00 (2006.01) B32B 17/10 (2006.01) C08F 8/28 (2006.01) C08J 5/18 (2006.01) C08K 5/10 (2006.01) C08L 29/14 (2006.01)

Patent

CA 2477778

The present invention describes laminate articles comprising a stiff, low- color PVB sheet having a YID of less than 12 and having a low concentration of plasticizer in the PVB composition, wherein the sheet is prepared from a composition that includes a PVB bleaching compound. A sheet of the present invention is useful for making glass laminates useful for parts in making cars, boats, trains, buildings, display cases, and other articles that utilize transparent glass laminates.

La présente invention concerne des articles stratifiés comprenant une feuille PVB rigide peu colorée avec un indice de jaunissement (YID) inférieur à 12 et présentant une faible concentration de plastifiant dans la composition PVB, la feuille est préparée à partir d'une composition contenant un composé de blanchiment de PVB. Une feuille de la présente invention est utile dans la fabrication de stratifiés de verre utiles dans des pièces de production d'automobiles, de bateaux, de trains, d'immeubles, de boîtiers d'affichage et d'autres articles utilisant des stratifiés en verre transparents.

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