C - Chemistry – Metallurgy – 08 – K
Patent
C - Chemistry, Metallurgy
08
K
400/5010, 400/70
C08K 5/34 (2006.01) C08K 5/3435 (2006.01) C08K 5/3492 (2006.01) C09D 167/00 (2006.01)
Patent
CA 1263525
STABILIZATION OF HIGH SOLIDS COATINGS WITH SYNERGISTIC COMBINATIONS ABSTRACT A method of stabilizing a polymer film coating or molded article against the action of light, moisture, and oxygen is disclosed. The method comprises incorporating in said polymer a stabilizingly and synergistically effective amount of: (A) A 2,2,6,6-tetraalkylpiperidine compound, or the acid addition salts or complexes with metal compounds thereof; and (B) A tris-aryl-s-triazine compound represented by the formula: Image (I) wherein X, Y and Z are each aromatic, carbocylic radicals of less than three 6-membered rings, and at least one of X, Y and Z is substituted by a hydroxy group ortho to the point of attachment to the triazine ring; and each of R1 through R9 is selected from the group consisting of hydrogen, hydroxy, alkyl, alkoxy, sulfonic, carboxy, halo, haloalkyl and acylamino.
508086
American Cyanamid Company
Smart & Biggar
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