Patent ID: 7572868

Claim:
A polymerizable composition comprising a) an ethylenically unsaturated monomer; b) a radical polymerization initiator; and c) a hydroxylamine having a molecular weight of more than 250 g/mol of formula A′, A″, B′ or O′ wherein m is 1, R is hydrogen, C 1 -C 18 alkyl which is uninterrupted or interrupted by one or more oxygen atoms, cyanoethyl, benzoyl, glycidyl, a monovalent radical of an aliphatic carboxylic acid having 2 to 18 carbon atoms, of a cycloaliphatic carboxylic acid having 7 to 15 carbon atoms, or an α,β-unsaturated carboxylic acid having 3 to 5 carbon atoms or of an aromatic carboxylic acid having 7 to 15 carbon atoms; p is 1; R 101 is C 1 -C 12 alkyl, C 5 -C 7 cycloalkyl, C 7 -C 8 aralkyl, C 2 -C 18 alkanoyl, C 3 -C 5 alkenoyl or benzoyl; R 102 is C 1 -C 18 alkyl, C 5 -C 7 cycloalkyl, C 2 -C 8 alkenyl unsubstituted or substituted by a cyano, carbonyl or carbamide group, or is glycidyl, a group of the formula —CH 2 CH(OH)-Z or of the formula —CO-Z or —CONH-Z wherein Z is hydrogen, methyl or phenyl; R 106 and R′ 106 together are both hydrogen, a group ═O or ═N—O—R 120 wherein R 120 is H, straight or branched C 1 -C 18 alkyl, C 3 -C 18 alkenyl or C 3 -C 18 alkinyl, which may be unsubstituted or substituted by one or more OH, C 1 -C 8 alkoxy, carboxy or C 1 -C 8 alkoxycarbonyl; or is C 5 -C 12 cycloalkyl or C 5 -C 12 cycloalkenyl; or is phenyl, C 7 -C 9 phenylalkyl or naphthyl which may be unsubstituted or substituted by one or more C 1 -C 8 alkyl, halogen, OH, C 1 -C 8 alkoxy, carboxy or C 1 -C 8 alkoxycarbonyl; or is —C(O)—C 1 -C 36 alkyl, or an acyl moiety of a α,β-unsaturated carboxylic acid having 3 to 5 carbon atoms or of an aromatic carboxylic acid having 7 to 15 carbon atoms; or is —SO 3 − Q + , —PO(O − Q + ) 2 , —P(O)(OR 2 ) 2 , —SO 2 —R 2 , —CO—NH—R 2 , —CONH 2 , COOR 2 , or Si(Me) 3 , wherein Q + is H + , ammnonium or an alkali metal cation; or R 106 and R′ 106 are independently —O—C 1 -C 12 alkyl, —O—C 3 -C 12 alkenyl, —O—C 3 -C 12 alkinyl, —O—C 5 -C 8 cycloalkyl, —O-phenyl, —O-naphthyl or —O—C 7 -C 9 phenylalkyl; or R 106 and R′ 106 together form one of the bivalent groups —O—C(R 121 )(R 122 )—CH(R 123 )—O—, —O—CH(R 121 )—CH 122 —C(R 122 )(R 123 )—O—, —O—CH(R 122 )—CH 2 —C(R 121 )(R 123 )—O—, —O—CH 2 —C(R 121 )(R 122 )—CH(R 123 )—O—, —O-o-phenylene-O—, —O-1,2-cyclohexyliden-O—, R 121 is hydrogen, C 1 -C 12 alkyl, COOH, COO—(C 1 -C 12 )alkyl or CH 2 OR 124 ; R 122 and R 123 are independently hydrogen, methyl ethyl, COOH or COO—(C 1 -C 12 )alkyl; R 124 is hydrogen, C 1 -C 12 alkyl, benzyl, or a monovalent acyl residue derived from an aliphatic, cycloaliphatic or aromatic monocarboxylic acid having up to 18 carbon atoms; G 6 is hydrogen and G 5 is hydrogen or C 1 -C 4 alkyl, and G 1 , G 2 , G 3 and G 4 are methyl; or G 1 and G 3 are methyl and G 2 and G 4 are ethyl or propyl or G 1 and G 2 are methyl and G 3 and G 4 are ethyl or propyl.