Ultra-low shrinkage composite resins based on blended nematic liquid crystal secondary monomers
1 Assignment
0 Petitions
Accused Products
Abstract
Novel secondary monomers for use in monomer blends. The blends remain in a nematic state after the addition of inorganic filler and exhibit low cure shrinkage.
89 Citations
39 Claims
- 1. Monomers having the following general structure:
- 12. Monomers having the following general structure:
-
14. The monomer α
- ,ω
-bis-4-[4-{4-(ω
-R-acryloxy-alkyloxy)-benzoyloxy}-2-R7-phenoxy carbonyl]-phenoxy-alkane wherein;
R is selected from the group consisting of H and CH3;
said molecule comprises alkyl groups having from about 2 to about 12 carbon atoms; and
R7 independently is selected from the group consisting of t-butyl groups, phenyl groups, isopropyl groups, and secondary butyl groups. - View Dependent Claims (15, 16, 17, 18, 19)
- ,ω
-
20. Monomers having the following general structure:
-
21. The monomers n-[4-({n-[(2-(R7)-4-{4-[n-(2-R-prop-2-noyloxy)alkyloxy]phenylcarbonyloxy}phenyl)oxycarbonyl]alkyl}oxycarbonyl)phenoxy]alkyl 2-R-prop-2-enoate wherein:
-
R is selected from the group consisting of H and CH3;
said alkyls have from about 2 to about 12 carbon atoms; and
R7 is selected from the group consisting of a t-butyl group, a phenyl group, an isopropyl group, and a secondary butyl group. - View Dependent Claims (22, 23, 24, 25, 26)
-
- 27. Monomers having the following general structure:
-
31. Monomers having the following general structure:
-
32. Monomers having the following general structure:
-
33. Monomers having the following general structure:
-
34. Monomers comprising nonanedioic acid bis-(2-R7-4-{4-[6-(2-R-acryloyloxy)-alkyloxy]-benzoyloxy}-phenyl) ester wherein:
-
R is selected from the group consisting of H and CH3;
said alkyl has from about 2 to about 12 carbon atoms; and
R7 is selected from the group consisting of a t-butyl group, a phenyl group, an isopropyl group, and a secondary butyl groups. - View Dependent Claims (35, 36, 37, 38, 39)
-
Specification