2,2,6,6-Tetramethyl-4-piperidyl carboxylic acid esters and amides of mono and poly alcohols, phenols and amines as stabilizers for synthetic polymers

Claim 1

2,2,6,6-Tetramethyl-4-piperidyl carboxylic acid esters and amides having the general formula: ##STR148## wherein: R 1 , R 2 and R 3 are selected from the group consisting of hydrogen and alkyl having from one to about eighteen carbon atoms; X is oxygen or imino>NH; m is zero, 1 or 2; n is zero, 1 or 2; m+n is 1 or 2; p is zero or 1; q is 1 to 6; ##STR149## is linked to carbon in place of one R 2 or R 3 group; and Z is selected from the group consisting of: (a) OR 5 where R 5 is alkyl, aryl or cycloalkyl having one to twenty-four carbon atoms and hydroxy-, carboxy- and oxy-substituted such groups having from one to five OH or O groups; and 2,2,6,6-tetramethyl-4-piperidyl; (b) OR 6 O where R 6 is alkylene, arylene or cycloalkylene having one to twenty-four carbon atoms and hydroxy-substituted such groups having one to four OH groups; R 6 alkylene, arylene or cycloalkylene can include oxyether --O-- and thioether --S-- linking groups attached to alkylene, arylene or cycloalkylene groups as in polyoxyalkylene and polythioalkylene groups and polyoxyalkylene arylene groups having from one to about five oxy or thio groups and from two to about six alkylene groups having from two to about six carbon atoms; (c) ##STR150## where R 6 is alkylene, arylene or cycloalkylene having one to twenty-four carbon atoms and hydroxy-substituted such groups having one to four OH groups; R 6 alkylene, arylene or cycloalkylene can include oxyether --O-- and thioether --S-- linking groups attached to alkylene, arylene or cycloalkylene groups as in polyoxyalkylene and polythioalkylene groups and polyoxyalkylene arylene groups having from one to about five oxy or thio groups and from two to about six alkylene groups having from two to about six carbon atoms; R 7 is alkyl, aryl or cycloalkyl having one to twenty-four carbon atoms and hydroxy-substituted such groups having from one to five OH groups; (d) NHR 5 where R 5 is alkyl, aryl or cycloalkyl having one to twenty-four carbon atoms and amino-substituted such groups having from one to five amino groups; (e) ##STR151## where R 6 is alkylene, arylene or cycloalkylene having one to twenty-four carbon atoms and amino-substituted such groups having one to four amino groups; R 7 is alkyl, aryl or cycloalkyl having one to twenty-four carbon atoms and amino-substituted such groups having one to five amino groups; (f) --NHNH 2 ; --NHNH--; --NHNHCOCONHNH 2 ; --NHNHCOR 7 ; --NHNHCOR 6 CONHNH 2 ; --NHNHCOR 6 CONHNH--; --NHNHCOCONHNH-- 1 ; --NHR 6 NH 2 --; --NHR 6 NH--; NHR 6 NHCOR 6 CONHR 6 NH; ##STR152## where R 6 is alkylene, arylene or cycloalkylene having one to twenty-four carbon atoms and amino-substituted such groups having one to four amino groups; and such groups including oxyether and thioether linking groups as in (b) above, and R 7 is as in (c) above.