C - Chemistry – Metallurgy – 03 – C
Patent
C - Chemistry, Metallurgy
03
C
C03C 27/12 (2006.01) C09J 129/14 (2006.01) C09K 3/00 (2006.01)
Patent
CA 2595046
A colored intermediate film for a laminated glass which is formed from a resin composition containing a poly(vinyl acetal) resin, a coloring agent and an agent for shielding an infrared ray, characterized in that the resin composition further comprises a phosphoric acid ester compound in an amount of 5 parts by weight or less relative to 100 parts by weight of the poly(vinyl acetal) resin; and a laminated glass using the colored intermediate film. The above colored intermediate film for a laminated glass is excellent in the infrared ray shielding property and is free from the whitening thereof even when the film absorbs moisture, while retaining the basic performance capability as an intermediate film for a laminated glass.
L'invention concerne un film intermédiaire coloré pour verre feuilleté, formé à partir d'une composition de résine contenant une résine de poly(acétal de vinyle), un agent de coloration et un agent de protection contre les rayons infrarouges, ledit film étant caractérisé en ce que la composition de résine comprend en outre un composé d'ester d'acide phosphorique en une quantité de 5 parties en poids ou moins pour 100 parties en poids de résine de poly(acétal de vinyle) ; et un verre feuilleté utilisant le film intermédiaire coloré. Le film intermédiaire coloré pour verre feuilleté ci-dessus est excellent en termes de protection contre les rayons infrarouges ; il ne blanchit pas, même lorsque le film absorbe de l'humidité, et il conserve la capacité de base consistant à former un film intermédiaire pour verre feuilleté.
Sekisui Chemical Co. Ltd.
Torys Llp
LandOfFree
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