| abstract |
Alkylhydroxythiolbenzoic acid esters, light stabilisers Title cpds. have formula: (where p is 1 - 4; R1 is a 1 - 5C alkyl; R2 is a 3 - 8C alpha-branched alkyl, R1 and R2 together contg. =10C atoms and R is 1 - 22C alkyl or 2 - 20C thiaalkyl, benzyl, 8 - 15C alkyl benzyl, phenyl or 7 - 14C alkyl phenyl, - (CH2)y-COO p-A or y is 1 - 6; A is 1 - 18C alkyl, 2 - 14C alkylene 3 - 14C alkanetriyl or 4 - 14C alkanetetrayl). |