Zappia Jean M. (Yonkers NY) Capocci Gerald A. (Greenwich CT)
출원인 / 주소
Ciba-Geigy Corporation (Ardsley NY 02)
인용정보
피인용 횟수 :
8인용 특허 :
6
초록▼
Rigid polyvinyl chloride stabilized against the adverse effects of ultraviolet radiation by the addition thereto of effective amounts of 2,2,6,6-tetraalkylpiperidine compound and an organotin carboxylate thermal stabilizer, optionally with reduced amounts of titanium dioxide, organotin mercapto este
Rigid polyvinyl chloride stabilized against the adverse effects of ultraviolet radiation by the addition thereto of effective amounts of 2,2,6,6-tetraalkylpiperidine compound and an organotin carboxylate thermal stabilizer, optionally with reduced amounts of titanium dioxide, organotin mercapto esters and/or organotin mercaptide thermal stabilizers.
대표청구항▼
A rigid polyvinyl chloride composition comprising in addition to said polyvinyl chloride, (1) an effective stabilizing amount of a 2,2,6,6-tetraalkylpiperidine compound which corresponds to the formula [Figure] (II) in which n is a number from 1-4 inclusive; R is hydrogen or methyl; R1 is hydrogen,
A rigid polyvinyl chloride composition comprising in addition to said polyvinyl chloride, (1) an effective stabilizing amount of a 2,2,6,6-tetraalkylpiperidine compound which corresponds to the formula [Figure] (II) in which n is a number from 1-4 inclusive; R is hydrogen or methyl; R1 is hydrogen, oxyl, C1-C13 alkyl, C3-C8 alkenyl, C3-C8 alkynyl, C7-C12 aralkyl, C1-C8 alkanoyl, C3-C5 alkenoyl, glycidyl, a group -CH2CH(OH)-Z1 wherein Z1 is hydrogen, phenyl, C1-C12 alkyl, allyl, benzyl, acetyl or acryloyl; and R2 when n is 1 is hydrogen, C1-C18 alkyl optionally interrupted by one or more oxygen atoms, cyanoethyl, benzyl, glycidyl, a monovalent radical of an aliphatic, cycloaliphatic, araliphatic or aromatic carboxylic acid, or of carbamic acid or of a phosphorus-containing acid, or a monovalent silyl radical, R2 when n is 2 is C1-C12 alkylene, C4-C12 alkenylene, xylylene, a bivalent radical of an aliphatic, cycloaliphatic, araliphatic or aromatic dicarboxylic acid, of dicarbamic acid or of a phosphorus-containing acid, or a bivalent silyl radical; R2 when n is 3 is a trivalent radical of an aliphatic, cycloaliphatic or aromatic tricarboxylic acid, of an aromatic tricarbamic acid or of a phosphorus-containing acid, or a trivalent silyl radical; and R2 when n is 4 is a tetravalent radical of an aliphatic, cycloaliphatic or aromatic tetracarboxylic acid; and (2) an effective thermal stabilizing amount of at least one organotin carboxylate of the formulae [Figure] (b) (z)2Sn(OOC-Z3)2 [Figure] (d) (Z)mSn(OOCCH〓CHCOOZ4)4-m wherein Z and Z4 independently are C1-C20 alkyl, cycloalkyl, aryl, alkaryl or aralkyl; Z1 is C10-C30 alkyl or phenyl substituted by one or two C8-C12 alkyl; Z2 is Z1 or -Sn(OZ1)(Z)2; Z3 is C1-C30 alkyl, cycloalkyl, aryl, alkaryl or aralkyl; and m is an integer from 1 to 3.
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이 특허에 인용된 특허 (6)
Holt Brian (Royton EN) Randell Donald Richard (Stockport EN), Bis piperidyl carboxylates.
Bae Kook-Jin (East Northport NY) Brilliant Stuart D. (Levittown NY) Croce Michael R. (Brooklyn NY), Polymer stabilizer and polymer compositions stabilized therewith.
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