Uv stable polyvinyl butyral sheet

Details Uv stable polyvinyl butyral sheet Uv stable polyvinyl butyral sheet

C - Chemistry, Metallurgy

08

L

C08L 29/14 (2006.01) C08J 5/18 (2006.01) C08K 5/098 (2006.01) C08K 5/3475 (2006.01)

Patent

CA 2250411

Polyvinyl butyral sheet for laminated safety glass containing multivalent, preferably divalent, metal salt and a UV-stabilizing amount of a benzotriazole-based compound of formula (1) wherein R1 denotes CH3, linear or branched C5 alkyl or linear or branched C12 alkyl and R2 denotes CH3 or linear or branched C5 alkyl.

Feuille de polyvinylbutyral pour verre de sécurité feuilleté, contenant un sel métallique polyvalent, de préférence bivalent, et une dose de stabilisation aux UV d'un composé à base de benzotriazole de formule (1), dans laquelle R¿1? représente CH¿3?, alkyle C¿5? linéaire ou ramifié ou alkyle C¿12? linéaire ou ramifié et R¿2? représente CH¿3? ou alkyle C¿5? linéaire ou ramifié.

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