Vinyl lactam/vinyl carbazole copolymers
A copolymer of a vinyl lactam and vinyl carbazole useful in personal care compositions.
1 . A copolymer of a vinyl lactam and vinyl carbazole.
2 . A copolymer according to claim 1 wherein said vinyl lactam is vinyl pyrrolidone.
3 . A copolymer according to claim 1 wherein said vinyl lactam is vinyl caprolactam.
4 . A copolymer according to claim 1 which is water and/or alcohol soluble.
5 . A water soluble copolymer of claim 1 which includes about 10% w/w of vinyl carbazole.
6 . An alcohol soluble copolymer of claim 1 which includes about 25% w/w of vinyl carbazole.
7 . A copolymer according to claim 1 which exhibits fluorescence.
8 . A copolymer according to claim 1 which includes one or more monomers selected from dimethylaminopropyl(meth)acrylamide (DMAPMA), C 1 -C 18 -quaternized DMAPMA, dimethylaminoethyl(meth)acrylate (DMAEMA), C 1 -C 18 -quaternized DMAEMA and acrylamide.
9 . A personal care composition including the copolymer of claim 1 .
10 . A personal care composition according to claim 9 which is a skin or hair care composition.
11 . A personal care composition according to claim 10 which exhibits fluorescence and/or UV absorption.