Claims
- 1. A thermoplastic composition comprising in admixture
- (a) an aromatic polyester-carbonate and
- (b) an aromatic polyester-carbonate heat distortion improving effective amount of at least one polymer selected from the group consisting of
- (i) aromatic polyamide of the formula ##STR8## wherein R.sup.3 and R.sup.5 are independently selected from halogen, alkyl of one to twelve carbon atoms, and substituted alkyl wherein the substituent is halogen or OR.sup.7 wherein R.sup.7 is an alkyl of one to ten carbon atoms;
- R.sup.4 and R.sup.6 are independently selected from alkyl of one to twelve carbon atoms, hydrogen, aryl of six to eighteen carbon atoms, aralkyl of seven to eighteen carbon atoms, and alkaryl of seven to eighteen carbon atoms;
- a is from 10 to abut 500;
- b and c are independently selected from an integer of 0 to 4.
- (ii) aromatic polyamideimides
- (iii) polyimides.
- 2. The composition of claim 1 wherein said aromatic polyester-carbonate is derived from a dihydric phenol, a carbonate precursor, and an aromatic dicarboxylic acid or a reactive derivative thereof.
- 3. The composition of claim 2 wherein said dihydric phenol is bisphenol A.
- 4. The composition of claim 3 wherein said carbonate precursor is phosgene.
- 5. The composition of claim 4 wherein said aromatic dicarboxylic acid is selected from the group consisting of isophthalic acid, terephthalic acid, and mixtures thereof; and wherein the reactive derivative of said acid is selected from the group consisting of terephthaloyl dichloride, isophthaloyl dichloride, and mixtures thereof.
- 6. The composition of claim 5 wherein said aromatic polyester-carbonate is a copolymer resulting from the condensation of bisphenol-A with terephthaloyl dichloride, isophthaloyl dichloride and phosgene.
- 7. The composition of claim 1 wherein said polyamideimide is represented by the general formula ##STR9## wherein each R.sup.10 is independently selected from the group consisting of alkyl radicals, halogen radicals, and substituted alkyl radicals; R.sup.9 is selected from the group consisting of hydrogen, alkyl radicals, aryl radicals, aralkyl radicals, and alkaryl radicals; R.sup.8 is selected from the group consisting of divalent aromatic organic radicals having from 6 to about 30 carbon atoms, alkylene radicals, alkylidene radicals, and cycloalkylene radicals; d has a value from about 10 to about 500; and e is an integer having a value from 0 to 3 inclusive.
- 8. The composition of claim 7 wherein said divalent aromatic organic radicals are selected from the group consisting of divalent aromatic hydrocarbon radicals and divalent halogenated aromatic hydrocarbon radicals.
- 9. The composition of claim 1 wherein said polyimides ae polyetherimides.
- 10. The composition of claim 9 wherein said polyetherimides are represented by the general formula ##STR10## wherein f has a value from about 10 to about 500; R.sup.12 is selected from the group consisting of divalent aliphatic hydrocarbon radicals, divalent aromatic hydrocarbon radical, and divalent cycloaliphatic hydrocarbon radicals; and R.sup.11 is a divalent aromatic organic radical having from 6 to 30 carbon atoms.
- 11. The composition of claim 10 wherein R.sup.11 is selected from the group consisting aromatic hydrocarbon radicals; halogenated aromatic hydrocarbon radicals; and radicals included by the formula
- --R.sup.13 --(G).sub.g --R.sup.13 --
- wherein R.sup.13 is a divalent aromatic radical having from 6-13 carbon atoms selected from hydrocarbon radicals and halogenated hydrocarbon radicals, and G is a divalent organo radical selected from ##STR11## where g is zero or one, z is an integer having a value from 1 to 5, and R.sup.14 is a monovalent alkyl, aryl, alkaryl or aralkyl radical.
- 12. The composition of claim 11 wherein R.sup.11 is the ##STR12## radical.
- 13. The composition of claim 12 wherein R.sup.12 is a phenylene radical.
- 14. The composition of claim 13 wherein the aromatic polyester-carbonate is a copolymer resulting from the condensation of bisphenol A with terephthaloyl dichloride, isophthaloyl dichloride and phosgene.
- 15. The composition of claim 1 which contains from about 30 to about 70 parts by weight of (a) and from about 70 to about 30 parts by weight of (b) as measured by total parts of (a) and (b).
Parent Case Info
This is a continuation, of copending application Ser. No. 225,058, filed Jan. 14, 1981 now abandoned.
US Referenced Citations (3)
Foreign Referenced Citations (4)
Number |
Date |
Country |
46-20268 |
Jun 1971 |
JPX |
51-30256 |
Mar 1976 |
JPX |
55-50061 |
Apr 1980 |
JPX |
55-133446 |
Oct 1980 |
JPX |
Continuations (1)
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Number |
Date |
Country |
Parent |
225058 |
Jan 1981 |
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