Claims
- 1. A branched hybrid polymer that is prepared from
(a) at least one component selected from the group consisting of polyimide, poly(amic acid) and esters thereof which comprise at least one addition polymerization moiety, and (b) at least one component selected from the group consisting of addition monomer, monomers and addition polymer wherein the components (a) and (b) are covalently bonded to form a copolymer.
- 2. A branched hybrid polymer of claim 1 wherein
component (a) further comprises at least one addition polymerization moiety at at least one end.
- 3. A branched hybrid polymer of claim 2 wherein the at least one addition polymerization moiety of component (a) comprises at least one selected from the group consisting of methacrylates and its derivatives; acrylates and its derivatives; methacrylamides and its derivatives; acrylamides and its derivatives; allyl groups and its derivatives, vinyl groups and its derivatives, styrenes and its derivatives, maleimides or maleic anhydrides and its derivatives and norbornenes and its derivatives.
- 4. A branched hybrid polymer of claim 2 wherein the at least one addition polymerization moiety of component (a) comprises at least one styrene.
- 5. A branched hybrid polymer of claim 2 wherein at least one of component (a) is prepared from 4-vinyl aniline.
- 6. A branched hybrid polymer of claim 5 wherein
component (b) comprises 35
- 7. A branched hybrid polymer of claim 1 wherein
component (a) comprises at least one addition polymerization moiety as a side chain.
- 8. A branched hybrid polymer of claim 7 wherein at least one addition polymerization moiety of component (a) comprises at least one selected from the group consisting of methacrylates and its derivatives; acrylates and its derivatives; methacrylamides and its derivatives; acrylamides and its derivatives; allyl groups and its derivatives, vinyl groups and its derivatives, styrenes and its derivatives, maleimides or maleic anhydrides and its derivatives and norbornenes and its derivatives.
- 9. A branched hybrid polymer of claim 7 wherein at least one of component (a) is prepared from at least one component selected from the group consisting of
- 10. A branched hybrid polymer of claim 7 wherein the addition polymerization moieties comprise at least one allyl group.
- 11. A branched hybrid polymer of claim 7 wherein at least one of component (a) is prepared from at least one component selected from the group consisting of
- 12. A branched hybrid polymer of claim 1 wherein at least one of component (b) comprises
- 13. A branched hybrid polymer of claim 1 wherein at least one of component (b) comprises at least one selected from the group consisting of a C4-C24 alkyl chain, C4-C20 fluoroalkyl chain and partially fluorinated alkyl chain.
- 14. A branched hybrid polymer of claim 1 wherein at least one of component (b) comprises at least one component selected from the group consisting of
- 15. A branched hybrid polymer of claim 7 wherein
at least one of component (a) is prepared from 40and at least one of component (b) comprises 41
- 16. A branched hybrid polymer of claim 7 wherein
at least one of component (a) is prepared from 42and at least one of component (b) comprises 43
- 17. A branched hybrid polymer of claim 7 wherein
at least one of component (a) is prepared from 44and at least one of component (b) comprises 45
- 18. A branched hybrid polymer of claim 1 wherein at least one of component (b) is prepared from components containing at least one selected from the group consisting of methacrylates and derivatives; acrylates and derivatives; methacrylamides and derivatives; acrylamides and derivatives; allyl groups and derivatives, vinyl groups and derivatives, styrenes and derivatives, maleimides or maleic anhydrides and derivatives and norbornenes and derivatives.
- 19. A branched hybrid polymer of claim 1 wherein at least one of component (b) is prepared from components containing at least one selected from the group consisting of cinnamates and derivatives, chalcones and derivatives, and coumarins and derivatives.
- 20. An optical alignment layer prepared from at least one branched hybrid polymer of claim 1.
- 21. A liquid crystal display element comprising at least one optical alignment layer of claim 20.
- 22. An optical alignment layer prepared from at least one branched hybrid polymer of claim 2.
- 23. A liquid crystal display element comprising at least one optical alignment layer of claim 22.
- 25. An optical alignment layer prepared from at least one branched hybrid polymer of claim 7.
- 26. A liquid crystal display element comprising at least one optical alignment layer of claim 25.
- 27. An optical alignment layer prepared from at least one branched hybrid polymer of claim 15.
- 28. A liquid crystal display element comprising at least one optical alignment layer of claim 27.
CROSS-REFERENCE TO RELATED APPLICATION
[0001] This application is a Continuation-in-Part of pending application Ser. No. 10/160,819.
Continuation in Parts (1)
|
Number |
Date |
Country |
Parent |
10160819 |
May 2002 |
US |
Child |
10174132 |
Jun 2002 |
US |