Patent ID: 6416627
Filing Date: 2002-07-09
Classification: C08G,D21H

Abstract:
A stabilizer comprising of a polymer P with pendant groups A, which are attached to polymer P with bridging groups B wherein s ranges from 1 to 50,000, and polymer P is selected from the polymers or oligomers 1) to 10)1) polyethylene imine of formula â€ƒwhere m+n is 10 to 50,000; 2) oligomeric ethylene amines of formula â€ƒwhere n ranges from 0 to 10; 3) random diallylamino cooligimers or copolymers containing 1 to 8000 units of the formula â€ƒand 2 to 8000 units of the formula 4) polyacrylamides of the formula â€ƒwhere n ranges from 10 to 5000 and X is NH2, NHCH2N(CH3)2, OCH2CH2N(CH3)2, or OCH2CH2N+(CH3)3; 5) random cooligomers or copolymers formed from polymerization of â€ƒwhere I ranges from 0 to 8000, m from 1 to 8000 and n from 0 to 8000; 6) diols of the formula â€ƒwhere n ranges from 5 to 8000; 7) â€ƒ8) where n ranges from 5 to 8000; â€ƒwhere n ranges from 1 to 10 and m ranges from 1 to 500 and R is hydrogen or alkyl of 1 to 4 carbons; 9) random copolymers of â€ƒwhere n ranges from 5 to 4000 and m from 5 to 4000; 10) copolymers of dimethylamine and epichlorohydrin of the formula â€ƒwhere n ranges from 1 to 100; groups A are of formula I or IA whereG is hydrogen, amino, hydroxyl or cyano; E is oxyl; hydroxyl; alkoxy; alkoxy substituted by hydroxyl, oxo or carboxy or interrupted by oxygen or carboxy; cycloalkoxy; alkenyloxy; cycloalkenyloxy; aralkyl; aralkoxy; acyl; R(C&boxH;O)Oâ€”; RO(C&boxH;O)Oâ€”; RN(C&boxH;O)Oâ€” or chloro, where R is an aliphatic or aromatic moiety; and bridging groups B are selected from the direct bond, carbonyl, or one of the following formulae 3 to 17