Patent ID: 6043334
Filing Date: 2000-03-28
Classification: C08G,G03G

Abstract:
A polycarbonate resin having crosslinking functional groups in side chains, which comprises repeating units (1) represented by the following general formula (1) and repeating units (2a) represented by the following general formula (2a) and/or repeating units (2b) represented by the following general formula (2b), in a molar ratio of the repeating units (1) to a total of the repeating units (1), repeating units (2a) and the repeating units (2b), ##STR143## wherein, in the general formula (1), Ar is a divalent aromatic group represented by ##STR144## and in the formula (1a), X is a single bond, --CO--, --S--, --SO--, --SO.sub.2 --, --O--, --CR.sup.3 R.sup.4 -- (wherein R.sup.3 and R.sup.4 are each an alkyl group of 1 to 10 carbon atoms, trifluoromethyl or an aryl group of 6 to 36 carbon atoms), a cycloalkylene group of 5 to 12 carbon atoms, a cycloalkylidene group of 5 to 12 carbon atoms, fluorenylidene, diphenylmethylidene consisting of two phenyl groups linked to each other via 1 to 4 methylene groups, an .alpha.,.omega.-alkylene group of 2 to 12 carbon atoms, --CR.sup.5 R.sup.6 -- (wherein R.sup.5 and R.sup.6 are each hydrogen, an alkyl group of 1 to 10 carbon atoms, an aryl group of 6 to 36 carbon atoms, an aliphatic hydrocarbon group of 2 to 10 carbon atoms having one or more unsaturated bonds (except for a linear alkenyl group of 2 to 6 carbon atoms having one double bond only at an end thereof and a linear alkynyl group of 2 to 6 carbon atoms having one triple bond only at an end thereof) or FG, at least one of R.sup.5 and R.sup.6 being FG or the aliphatic hydrocarbon group of 2 to 10 carbon atoms having one or more unsaturated bonds, FG being ##STR145## h being an integer of 0 to 4, R.sup.7 and R.sup.8 being each hydrogen, an alkyl group of 1 to 6 carbon atoms or a substituted or non-substituted aryl group of 6 to 12 carbon atoms), a cycloalkylidene group of 5 to 12 carbon atoms which is substituted by an aliphatic hydrocarbon group of 2 to 12 carbon atoms having one or more unsaturated bonds, a cycloalkylidene group of 5 to 12 carbon atoms which is substituted by an alicyclic hydrocarbon group of 5 to 12 carbon atoms having one or more unsaturated bonds, or a fluorenylidene which is substituted by an aliphatic hydrocarbon group of 2 to 12 carbon atoms having one or more unsaturated bonds, R.sup.1 and R.sup.2 are each a halogeno, a saturated hydrocarbon group of 1 to 10 carbon atoms, an alkyloxy group of 1 to 10 carbon atoms, an alkylthio group of 1 to 10 carbon atoms, an aryl group of 6 to 18 carbon atoms, an aryloxy group of 6 to 12 carbon atoms, an arylthio group of 6 to 12 carbon atoms, or an aryl group of 6 to 18 carbon atoms which is substituted by an alkoxyl group of 1 to 10 carbon atoms, a, b, c and d are each an integer of 0 to 4, a+b being an integer of 0 to 4, c+d being an integer of 0 to 4; and when X is a single bond, fluorenylidene, a diphenylmethylidene consisting of two phenyl groups linked to each other via 1 to 4 methylene groups, --CO--, --S--, --SO--, --SO.sub.2 --, --O--, --CR.sup.3 R.sup.4 --, a cycloalkylene group of 5 to 12 carbon atoms, a cycloalkylidene group of 5 to 12 carbon atoms or an .alpha.,.omega.-alkylene group of 2 to 12 carbon atoms, a+c is not 0; and when X is --CO--, --S--, --SO--, --SO.sub.2 --, --O--, --CR.sup.3 R.sup.4 --, a cycloalkylene group of 5 to 12 carbon atoms, a cycloalkylidene group of 5 to 12 carbon atoms or an .alpha.,.omega.-alkylene group of 2 to 12 carbon atoms, and the FGs bonded to the phenylene groups of (1a) are ##STR146## (wherein h is as defined above), a+c is not 0 and b+d is not 0; and when X is --CR.sup.5 R.sup.6 --, a cycloalkylidene group of 5 to 12 carbon atoms which is substituted by an aliphatic hydrocarbon group of 2 to 12 carbon atoms having one or more unsaturated bonds or a fluorenylidene which is substituted by an aliphatic hydrocarbon group of 2 to 12 carbon atoms having one or more unsaturated bonds, none of R.sup.1 and R.sup.2 are a halogeno;and in the formula (1b), R.sup.9 and R.sup.10 are each a halogeno, an alkyl group of 1 to 6 carbon atoms, an alkyloxy group of 1 to 4 carbon atoms, a substituted or non-substituted aryl group of 6 to 12 carbon atoms or a substituted or non-substituted aryloxy group of 6 to 12 carbon atoms, FG is as defined above, two --COOH present in one repeating unit may form the following structure ##STR147## i, j, k and l are each an integer of 0 to 3, i+j=1 to 6, i+k=0 to 3, and j+l=0 to 3;and in the general formula (2a), Y is a divalent group containing an arylene group and no crosslinking functional group;and in the general formula (2b), Z is a group represented by the following formula ##STR148## R.sup.15, R.sup.16, R.sup.17 and R.sup.18 are each an alkyl group of 1 to 4 carbon atoms or an aryl group of 6 to 36 carbon atoms, n is an integer of 1 to 6, and m is a number of 1 to 150.