Aromatic copolyester carbonate endcapped with chromanyl I compound
AssigneeGeneral Electric Company
InventorKenneth F. Miller
Life of this patent
Estimating the term…
Abstract
An aromatic copolyestercarbonate having from about 35 to 95 mole percent ester content which comprises isophthalate or isophthalate and terephthalate units, said copolyestercarbonate endcapped with a compound of the formula ##STR1## wherein R.sub.1 -R.sub.8 are independently selected from the group consisting of hydrogen and alkyl radicals of 1-9 carbon atoms and wherein R.sub.5 -R.sub.8 are further independently selected from the group consisting of bromo and chloro.
Claims13
An aromatic copolyestercarbonate having from above 50 to about 95 mole percent ester content which comprises isophthalate or isophthalate and terephthalate units, said copolyestercarbonate endcapped with a compound of the formula ##STR4## wherein R.sub.1 -R.sub.8 are independently selected from the group consisting of hydrogen and alkyl radicals of 1-9 carbon atoms and wherein R.sub.5 -R.sub.8 are further independently selected from the group consisting of bromo and chloro.
Dependencies are inferred from the claim text.