Patent ID: 7214742

Claim:
A process for crosslinking an organic polymer by reacting a monomer, oligomer and/or polymer with a crosslinking agent, characterized in that the crosslinking agent is of the formula I or I″; in which R′ is H, C 1 –C 12 alkyl; C 5 –C 12 cycloalkyl; C 2 –C 18 alkyl which is interrupted by one or more O; SR 4 ; OR 5 ; or is a group of formula II or III; R 2 and R 3 each are —Y—T; R 4 is C 1 –C 8 alkyl; or phenyl; R 5 is C 1 –C 12 alkyl; C 5 –C 12 cycloalkyl; or C 2 –C 18 alkyl which is interrupted by one or more —O—; R 6 is H; OH; C 1 –C 12 alkyl; C 5 –C 12 cycloalkyl; or O—Y—T; R′ 6 is H; OH; C 1 –C 12 alkyl; C 5 –C 12 cycloalkyl; or —O—Y—O—CO—O—R 22 ; R 7 is H; OH; C 1 –C 12 alkyl; C 5 –C 12 cycloalkyl; phenyl; OR 10 ; OCO—R 11 ; NR 12 —CO—R 11 ; or SR 4 ; R′ 7 is H; OH; C 1 –C 12 alkyl; C 5 –C 12 cycloalkyl; phenyl; OR′ 10 ; R 8 and R 9 independently are H or C 1 –C 12 alkyl or C 7 –C 12 aralkyl; R 10 is C 1 –C 12 alkyl; C 2 –C 10 alkenyl; C 5 –C 12 cycloalkyl; Y—T; or a group of the formula V; R′ 10 is C 1 –C 12 alkyl; C 2 –C 10 alkenyl; C 5 –C 12 cycloalkyl; or —Y—O—CO—O—R 22 ; R 11 is C 1 –C 12 alkyl; C 5 –C 12 cycloalkyl; C 2 –C 6 alkenyl; or C 1 –C 12 alkoxy; R 12 is H; C 1 –C 12 alkyl; or C 5 –C 12 cycloalkyl; R 13 is C 1 –C 18 alkyl; phenyl; C 7 –C 12 alkylphenyl; or benzyl; R 21 is —Y—T; and when R′ is the group R 21 is H or —Y—T; R 22 is phenyl or naphthyl, or phenyl or naphthyl each of which is substituted by C 1 –C 18 alkyl, C 5 –C 12 cycloalkyl, or phenyl; R 23 is H or Y—O—CO—O—R 22 ; R 24 is H or CO—O—R 22 ; T is OH or —OCO—CH═CH 2 or —OCO—C(CH 3 )═CH 2 ; Y is C 1 –C 12 alkylene; C 3 –C 12 alkylene substituted by OH or OR 13 ; or C 4 –C 12 alkylene interrupted by O; and T is linked to a primary carbon atom; Z′ is C 1 –C 12 alkylene; C 2 –C 12 alkylene interrupted by O; —O—(C 2 –C 12 alkylene)—O—; or —S—(C 2 –C 12 alkylene)—S—; and Z″ is C 1 –C 12 alkylene; C 2 –C 12 alkylene interrupted by O.