摘要:
Thermoplastic aromatic polycarbonate containing the polymerized reaction products of (i) at least one dihydric phenol, (ii) a carbonate precursor, and (iii) at least one end-capping agent represented by the formula ##STR1## wherein: R is independently selected from alkyl radicals;Z is a cycloalkyl radical; andn is an integer having a value of from 0 to 4 inclusive.
摘要:
An aromatic carbonate resin comprised of:(i) at least one recurring structural unit represented by the formula ##STR1## (ii) at least one recurring structural unit selected from structural units represented by the formulae ##STR2## wherein R is independently selected from halogen, monovalent hydrocarbon, and monovalent hydrocarbonoxy radicals;W is selected from divalent hydrocarbon radicals, --O--, --S--, --S--S--, ##STR3## A is a divalent residue of at least one conjugated alkadiene and has a weight average molecular weight of at least about 600,m is independently selected from integers having a value of from 0 to 4, andb is either zero or one.The carbonate resin contains an amount of (ii) at least effective to improve the impact properties thereof.
摘要:
High molecular weight thermoplastic aromatic carbonate resin exhibiting improved impact properties comprised of the polymerized reaction products of:(i) at least one dihydric phenol;(ii) a carbonate precursor; and(iii) an amount effective to improve the impact properties of said resin of at least one polymer represented by the formula ##STR1## wherein A represents a divalent residue of at least one polymerized and partially hydrogenated conjugated alkadiene monomer and has a weight average molecular weight of at least about 600, and X is independently selected from halogen radicals.