초록

Epoxy resins containing rodlike mesogenic moieties are prepared from phenolic hydroxyl containing compounds which contain such moieties.

대표청구항 ▼

[ What is claimed is:] [1.] A composition comprising(A) an epoxy resin containing one or more rodlike mesogenic moieties represented by the following Formulas I or II or any combination of any two or more epoxy resins represented by either or both of Formulas I and/or II [ STR 53 ] wherein at least

[ What is claimed is:] [1.] A composition comprising(A) an epoxy resin containing one or more rodlike mesogenic moieties represented by the following Formulas I or II or any combination of any two or more epoxy resins represented by either or both of Formulas I and/or II [ STR 53 ] wherein at least about 80 percent of the --(Z.sup.1 -Z.sup.2).sub.n --Z.sup.1 -- linkages and the glycidyl ether groups are in the para position with respect to each other; each R and R.sup.1 is independently hydrogen or an aliphatic hydrocarbon group having from 1 to about 4 carbon atoms; each X is independently hydrogen, a hydrocarbyl or hydrocarbyloxy group having suitably from 1 to about 12 carbon atoms, a halogen atom, --NO.sub.2 or --C.dbd.N, each Z.sup.1 is independently --CR.sup.1 .dbd.N--, --N.dbd.CR.sup.1 --, --CR.sup.1 .dbd.CR.sup.1 --, --CR.sup.1 .dbd.CR.sup.1 --CR.sup.1 .dbd.CR.sup.1 --, --CR.sup.1 .dbd.N--N.dbd.CR.sup.1 --, --CR.sup.1 .dbd.CR.sup.1 --CO--O--CH.sub.2 --, --CR.sup.1 .dbd.CR.sup.1 --CO--O--CH.sub.2 --CH.sub.2 --, --CH.sub.2 --O--CO--CR.sup.1 .dbd.CR.sup.1 --, --CR.sup.1 .dbd.CR.sup.1 --CO--O--CH.sub.2 --CH.sub.2 --, --CR.sup.1 .dbd.CR.sup.1 --CO--O--, --O----CO--CR.sup.1 .dbd.CR.sup.1 --, --CO--NR.sup.1 --, --NR.sup.1 --CO--, --CO--NR.sup.1 --NR.sup.1 --CO--, --C.tbd.C--, --C.tbd.C--C.tbd.C--, --CR.sup.1 .dbd.CR.sup.1 --O--CO--CH.sub.2 --, --CH.sub.2 --CO--O--CR.sup.1 .dbd.CR.sup.1 --, --CR.sup.1 .dbd.CR.sup.1 --O--CO--CH.sub.2 --CH.sub.2 --, --CH.sub.2 --CH.sub.2 --CO--O--CR.sup.1 .dbd.CR.sup.1 --, --CH.sub.2 --CH.sub.2 --CO--O--, --O--CO--CH.sub.2 --CH.sub.2 --, --CO--O--CR.sup.1 .dbd.CR.sup.1 --, --CR.sup.1 .dbd.CR.sup.1 --O--CO--, [ STR 54 ] Z.sup.2 is a group represented by a cyclic or bicyclic ring system containing from 5 to about 12 carbon atoms and may be cycloaliphatic, polycycloaliphatic, aromatic or a combination thereof; n is 0 to 2; each Z' is independently a --CO--, --O--CO--, --CO--O--, --CO--NR.sup.1 --, or --NR.sup.1 --CO-- group and each n' independently has a value of zero or one; h the proviso that:(a) both of the R.sup.1 groups in the --CR.sup.1 .dbd.CR.sup.1 -- group cannot simultaneously be a hydrogen atom;(b) each Z.sup.1 can also independently be [ STR 55 ] --CR.sup.1 .dbd.N--, --N.dbd.CR.sup.1 --, --CO--CR.sup.1 .dbd.CR.sup.1 -- or --CR.sup.1 .dbd.CR.sup.1 --CO-- when Z.sup.2 is not a benzene ring and n is not equal to zero;(c) R.sup.1 in the --CR.sup.1 .dbd.N-- and --N.dbd.CR.sup.1 -- groups is other than hydrogen;(d) when n=1, either one of Z.sup.1 can also be selected from the group consisting of --CH.dbd.CH--, --N.dbd.N--, --CO--S--, --S--CO--, --CH.dbd.N--, --N.dbd.CH--, --O--CO--, --CO--O-- and a direct single bond provided that the other Z.sup.1 group is not selected from this same group or is not selected from a group selected from the group consisting of [ STR 56 ] when (i) each n' is zero, or (ii) when one n'=zero and one n'=1 with Z' being --O--CO-- or --CO--O-- and R.sup.1 is a group having only one carbon atom;(e) when n=2, one or two of the Z.sup.1 groups can also independently be selected from the group consisting of --CH.dbd.CH--, --N.dbd.N--, --CO--S--, --S--CO--, --CH.dbd.N--, --N.dbd.CH--, --O--CO--, --CO--O--, and a direct single bond, provided that the remaining Z.sup.1 groups are not selected from this group;(f) when one Z.sup.1 is [ STR 57 ] wherein (i) when each n'=1 with each Z' being --O--CO-- or --CO--O--, or(ii) when one n'=1 with Z' being --O--CO-- or --CO--O-- and the other n'=zero resulting in the other Z' being a direct bond and R.sup.1 is a group having only one carbon atom, then n must have a value of 1 or 2 and R.sup.1 is a group having only one carbon atom; [ STR 58 ] wherein Z.sup.3 is [ STR 59 ] and Z.sup.4 is --CO--O--, --O--CO--, --NR.sup.1 --CO-- or --CO--NR.sup.1 --; X.sup.1 is a divalent hydrocarbyl group having from 1 to about 10, carbon atoms which can contain one or more heteroatoms selected from N, O or S and may be saturated or unsaturated; each R and R.sup.1 is independently hydrogen or an aliphatic hydrocarbon group having from 1 to about 4 carbon atoms; each X is independently hydrogen, a hydrocarbyl or hydrocarbyloxy group having from 1 to about 12 carbon atoms, a halogen atom, --NO.sub.2, or --C.tbd.N; and n' is zero or one; and with the proviso that Z.sup.4 is not --CO--O-- or --O--CO-- when R.sup.1 is a group having only one carbon atom; and(B) optionally, one or more polyepoxides which are substantially free of rodlike mesogenic moieties; and rein said composition is optionally oriented by subjecting said composition to an electric field, magnetic field, drawing and/or shear flow.