Claims
- 1. A resinous polyamide comprising the following recurring units: ##STR2## wherein the mole ratio of the dicarboxylic acid moieties in the A:B:C units is about 65-90:25-0:35-5 with the proviso that the mole ratio of the dicarboxylic acid moieties in the B:C units is less than 3:1 and wherein R, R.sub.1, and R.sub.2 are, independently, divalent aliphatic hydrocarbyl radicals of 2 to 14 carbon atoms.
- 2. The polyamide of claim 1 wherein the mole ratio of the acid moieties in said A:B:C units is about 65-80:25-5:15-10.
- 3. The polyamide of claim 1 wherein the mole ratio of said acid moieties in said A:B:C units is about 65:25:10 to about 75:15:10.
- 4. The polyamide of claim 1 wherein R, R.sub.1, and R.sub.2 are hexamethylene with the formula (CH.sub.2).sub.6.
- 5. A molded object comprising the polyamide of claim 1.
- 6. A fiber comprising the polyamide of claim 1.
- 7. A laminate comprising the polyamide of claim 1.
- 8. A filled composition comprising 90 to 40 parts by weight of the polyamide of claim 1 and 10 to 60 parts by weight of mineral fiber.
- 9. A filled injection moldable polyamide composition wherein said polyamide comprises the following recurring units: ##STR3## wherein the mole ratio of the dicarboxylic acid moieties in the A:B:C units is about 65-90:25-0:35-5 with the proviso that the mole ratio of the dicarboxylic acid moieties in the B:C units is less than 3:1, wherein R, R.sub.1, and R.sub.2 are, independently, divalent aliphatic hydrocarbyl radicals of 2 to 14 carbon atoms, wherein about 10 to about 60 percent by weight of the filled composition comprises a filler selected from the group consisting of glass fibers, glass beads, or graphite fibers or mixtures of the same and wherein the filled polyamide composition has a heat deflection temperature in excess of about 245.degree. C.
- 10. The composition of claim 9 wherein the filler comprises about 30 to about 60 percent by weight of the filled composition.
- 11. The filled injection moldable polyamide composition of claim 9 wherein the mole ratio of the dicarboxylic acid moieties in the A:B:C units is about 65-80:25-5:15-10.
- 12. The composition of claim 11 wherein said filler comprises about 30 to about 60 percent by weight of said composition.
- 13. The composition of claim 9 wherein said mole ratio of the dicarboxylic acid moieties in the A:B:C units is about 65:25:10 to about 75:15:10 and said filler comprises about 30 to about 60 percent by weight of said composition.
- 14. The composition of claim 9 wherein said R, R.sub.1, and R.sub.2 are hexamethylene.
- 15. The composition of claim 13 wherein said R, R.sub.1, and R.sub.2 are hexamethylene of the formula (CH.sub.2).sub.6.
- 16. The composition of claim 9 in the form of a molded article or a laminate.
- 17. A crystalline polyamide copolymer consisting essentially of the following recurring units: ##STR4## wherein the mole ratio of dicarboxylic acid moieties in I:II is about 65:35 to 95:5, wherein R and R.sub.2 are aliphatic hydrocarbyl radicals of 2 to 14 carbon atoms.
- 18. A molded article comprising the polyamide copolymer of claim 17.
- 19. A fiber comprising the polyamide copolymer of claim 17.
- 20. A laminate comprising the polyamide copolymer of claim 17.
- 21. The polyamide copolymer of claim 17 wherein R and R.sub.2 are hexamethylene of the formula (CH.sub.2).sub.6.
- 22. A filled composition comprising about 90 to 40 parts by weight of the polyamide copolymer of claim 17 and about 10 to about 60 parts by weight of a mineral fiber.
- 23. A filled injection moldable polyamide copolymer composition, said copolymer comprising the following recurring units: ##STR5## wherein the mole ratio of dicarboxylic acid moieties in I:II is about 65:35 to 95:5, wherein R and R.sub.2 are aliphatic hydrocarbyl radicals of 2 to 14 carbon atoms, and wherein about 10 to about 60 percent by weight of the filled composition comprises a filler selected from the group consisting of glass fibers, glass beads, or graphite fibers, or mixtures of the same and wherein the filled copolymer has a heat deflection temperature in excess of about 245.degree. C.
- 24. The composition of claim 23 wherein said filler comprises about 30 to about 60 percent by weight of said composition.
- 25. The composition of claim 21 wherein R and R.sub.2 are hexamethylene of the formula (CH.sub.2).sub.6.
- 26. A blend comprising the composition of claim 1 and nylon 6,6 wherein said nylon 6,6 comprises from about 1 to about 99 weight percent of the blend.
- 27. A blend comprising the copolymer of claim 17 and nylon 6,6 wherein said nylon 6,6 comprises from about 1 to about 99 weight percent of the blend.
- 28. A process for preparing a polyamide composition having a heat deflection temperature of at least about 245.degree. C., said process comprising compounding about 90 to about 40 parts by weight of a polyamide with about 10 to about 60 parts by weight of a filler, said polyamide comprising the following recurring units: ##STR6## wherein the mole ratio of the dicarboxylic acid moieties in the A:B:C units is about 65-90:25-0:35-5 with the proviso that the mole ratio of the dicarboxylic acid moieties in the B:C units is less than 3:1, and wherein R, R.sub.1, and R.sub.2 are, independently, divalent aliphatic hydrocarbyl radicals of 2 to 14 carbon atoms, and wherein said filler is selected from the group consisting of glass fibers, glass beads, or graphite fibers or mixtures of the same.
- 29. The process of claim 28 wherein R, R.sub.1, and R.sub.2 are hexamethylene of the formula (CH.sub.2).sub.6.
- 30. A crystalline injection moldable polyamide copolymer having a heat deflection temperature of at least about 245.degree. C. when molded and filled with glass fibers, glass beads or graphite fibers comprising the following recurring units: ##STR7## wherein the mole ratio of A:B:C units is about 65-90:25-5:30-5.
BACKGROUND OF THE INVENTION
This is a continuation-in-part application of Ser. No. 601,911, filed Apr. 19, 1984, which was a continuation-in-part application of Ser. No. 466,899, filed Feb. 16, 1983, both abandoned.
US Referenced Citations (4)
Number |
Name |
Date |
Kind |
3551548 |
Brignac et al. |
Dec 1970 |
|
3926924 |
Edgar et al. |
Dec 1975 |
|
4238603 |
Chapman et al. |
Dec 1980 |
|
4476280 |
Poppe et al. |
Oct 1984 |
|
Continuation in Parts (2)
|
Number |
Date |
Country |
Parent |
601911 |
Apr 1984 |
|
Parent |
466899 |
Feb 1983 |
|