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New photopolymers

阅读:911发布:2021-12-21

专利汇可以提供New photopolymers专利检索,专利查询,专利分析的服务。并且Novel photopolymers having as photocrosslinking radicals Alpha -substituted maleimido groups of the formula:

wherein Ar stands for a cyclic group of aromaticity and R1 for a hydrogen atom or cyano group. These photopolymers can be produced by introducing the Alpha -substituted maleimido groups into a backbone molecular chain of a linear polymer or copolymer according to a reaction known per se, such as amidation, imidation, esterification, quaternization or nuclear substitution.,下面是New photopolymers专利的具体信息内容。

1. PHOTOPOLYMERS CHARACTERIZED BY A VINYL POLYMER BACK BONE HAVING AS PHOTOCROSSLINKING RADICALS A-SUBSTITUTED MALEIMIDO GROUPS OF THE FORMULA:
2. Photopolymers according to claim 1 which comprise a linear vinyl polymer or copolymer having as pendant groups therealong, groups of the formula:
3. Photopolymers according to claim 2 wherein Ar is a phenyl group.
4. Photopolymers according to claim 2 wherein Ar is a substituted phenyl group.
5. Photopolymers according to claim 2 wherein Ar is a pyridyl group.
6. Photopolymers according to claim 2 wherein said group is p-( Alpha -phenylmaleimidi)-phenyl.
7. Photopolymers according to claim 2 wherein said group is Alpha -phenylmaleimidomethylpyridinium chloride-(4).
8. Photopolymers according to claim 2 wherein said group is Alpha -phenyl- Beta -cyano-maleimidomethyl-5-ethylpyridinium chloride-(4).
9. Photopolymers according to claim 2 wherein said group is Alpha -phenylmaleimidomethylphenyl.
10. Photopolymers according to claim 2 wherein said group is Alpha -phenylmaleimidomethylbenzyl.
11. Photopolymers according to claim 2 wherein said group is 2-( Alpha -phenylmaleimido)-ethyloxycarbonyl.
12. Photopolymers according to claim 2 wherein said group is Alpha -phenylmaleimidoaclyloxy.
13. Photopolymerizable linear vinyl polymers containing recurring structural units of the formula:
14. The polymers of claim 13 wherein at about 1% up to about 80% of the recurring units thereof have said formula.
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