Claims
- 1. A polyester preform for injection stretch blow molding wherein the polyester comprises terephthalate moieties, and from about 8 mole percent to about 18 mole percent secondary moieties selected from the group consisting of isophthalate and 2,6-naphthalate, wherein the polyester composition comprises from about 2.7 mole percent to about 10.7 mole percent 2,6-naphthalate moieties, and from about 5.3 mole percent about 8 mole percent isophthalate moieties; the polyester preform having a level of acetaldehyde less than about 8 micrograms per gram of preform.
- 2. A polyester container comprising terephthalate moieties and from about 8 mole percent to about 18 mole percent isophthalate moieties and having less than about 8 micrograms of acetaldehyde per liter of container volume.
- 3. A polyester container comprising terephthalate moieties, and from about 8 mole percent to about 18 mole percent secondary moieties selected from the group consisting of isophthalate and 2,6-naphthalate, wherein the polyester composition comprises from about 2.7 mole percent to about 10.7 mole percent 2,6-naphthalate moieties, and from about 5.3 mole percent about 8 mole percent isophthalate moieties, the polyester bottle has a density of at least about 1.362 g/cm.sup.3.
- 4. A polyester bottle formed by strain induced crystallization of a polyester composition comprising terephthalate moieties and from about 8 mole percent isophthalate moieties to about 18 mole percent isophthalate moieties the polyester bottle having a density of at least about 1.362 gm/cm.sup.3.
- 5. The polyester bottle of claim 4 wherein the polyester bottle has a density from about 1.362 gm/cm.sup.3 to about 1.380 gm/cm.sup.3.
- 6. A polyester film formed by strain induced crystallization of a polyester composition comprising terephthalate moieties and from about 8 mole percent isophthalate moieties to about 18 mole percent isophthalate moieties the polyester bottle having a density of at least about 1.362 gm/cm.sup.3.
- 7. The polyester film of claim 6 wherein the polyester bottle has a density from about 1.362 gm/cm.sup.3 to about 1.380 gm/cm.sup.3.
- 8. A polyester bottle formed by strain induced crystallization followed by thermal crystallization of a polyester composition comprising terephthalate moieties and from about 8 mole percent isophthalate moieties to about 18 mole percent isophthalate moieties the polyester bottle having a density of at least about 1.362 gm/cm.sup.3.
- 9. The polyester bottle of claim 8 wherein the polyester bottle has a density from about 1.362 gm/cm.sup.3 to about 1.380 gm/cm.sup.3.
- 10. A polyester film formed by strain induced crystallization followed by thermal crystallization of a polyester composition comprising terephthalate moieties and from about 8 mole percent isophthalate moieties to about 18 mole percent isophthalate moieties the polyester bottle having a density of at least about 1.362 gm/cm.sup.3.
- 11. The polyester film of claim 10 wherein the polyester bottle has a density from about 1.362 gm/cm.sup.3 to about 1.380 gm/cm.sup.3.
- 12. A polyester bottle formed by strain induced crystallization of a polyester composition comprising terephthalate moieties and from about 8 mole percent to about 18 mole percent secondary moieties selected from the group consisting of isophthalate and 2,6-naphthalate, wherein the polyester composition comprises from about 2.7 mole percent to about 10.7 mole percent 2,6-naphthalate moieties, and from about 5.3 mole percent about 8 mole percent isophthalate moieties, the polyester bottle having a density of at least about 1.362 g/cm.sup.3.
- 13. A polyester film formed by strain induced crystallization of a polyester composition comprising terephthalate moieties and from about 8 mole percent to about 18 mole percent secondary moieties selected from the group consisting of isophthalate and 2,6-naphthalate, wherein the polyester composition comprises from about 2.7 mole percent about 10.7 mole percent 2,6-naphthalate moieties, and from about 5.3 mole percent to about 8 mole percent isophthalate moieties, the polyester film having a density of at least about 1.362 g/cm.sup.3.
- 14. A polyester botde formed by strain induced crystallization followed by thermal crystallization of a polyester composition comprising terephthalate moieties and from about 8 mole percent to about 18 mole percent secondary moieties selected from the group consisting of isophthalate and 2,6-naphthalate, wherein the polyester composition comprises from about 2.7 mole percent to about 10.7 mole percent 2,6-naphthalate moieties, and from about 5.3 mole percent to about 8 mole percent isophthalate moieties, the polyester bottle having a density of at least about 1.362 g/cm.sup.3.
- 15. A polyester film formed by strain induced crystallization followed by thermal crystall ion of a polyester composition comprising terephthalate moieties and from about 8 mole percent to about 18 mole percent secondary moieties selected from the group consisting of isophthalate and 2,6-naphthalate, wherein the polyester composition comprises from about 2.7 mole percent to about 10.7 mole percent 2,6-naphthalate moieties, and from about 5.3 mole percent to about 8 mole percent isophthalate moieties, the polyester film having a density of at least about 1.362 g/cm.sup.3.
- 16. A method for making a polyester bottle comprising:
- a providing a polyester composition comprising terephthalate moieties and from about 8 mole percent to about 18 mole percent isophthalate moieties;
- b. providing a forming means; and
- c. using the forming means to subject the polyester composition to strain induced crystallization thereby forming the polyester composition into a polyester bottle having a density of at least about 1.362 gm/cm.sup.3.
- 17. The method according to claim 16 including using the forming means to subject the polyester composition to thermal crystallization after the strain induced crystallization.
- 18. The method according to claim 17 wherein the forming means is a bottle blowing apparatus.
- 19. A method for making a polyester film comprising;
- a. providing a polyester composition comprising terephthalate moieties and about 8 mole percent to about 18 mole percent isophthalate moieties;
- b. providing a forming means; and
- c. using the forming means to subject the polyester composition to strain induced crystallization thereby forming the polyester composition into a polyester film having a density of at least about 1.362 gm/cm.sup.3.
- 20. The method according to claim 19 including using the forming means to subject the polyester composition to thermal crystallization after the strain induced crystallization.
- 21. A method for maldng a polyester bottle comprising;
- a. providing a polyester composition comprising terephthalate moieties and from about 8 mole percent to about 18 mole percent secondary moieties selected from the group consisting of isophthalate and 2,6-naphthalate, wherein the polyester composition comprises from about 2.7 mole percent to about 10.7 mole percent 2,6-naphthalate moieties, and from about 5.3 mole percent to about 8 mole percent isophthalate moieties;
- b. providing a forming means; and
- c. using the forming means to subject the polyester composition to strain induced crystallization thereby forming the polyester composition into a polyester bottle having a density of at least about 1.362 gm/cm.sup.3.
- 22. The method according to claim 21 including using the forming means to subject the polyester composition to thermal crystallization after the strain induced crystallization.
- 23. The method according to claim 21 wherein the forming means is a bottle blowing apparatus.
- 24. A method for making a polyester film comprising;
- a. providing a polyester composition comprising terephthalate moieties and from about 8 mole percent to about 18 mole percent secondary moieties selected from the group consisting of isophthalate and 2,6-naphthalate, wherein the polyester composition comprises from about 2.7 mole percent to about 10.7 mole percent 2,6-naphthalate moieties, and from about 5.3 mole percent to about 8 mole percent isophthalate moieties;
- b. providing a forming means; and
- c. using the forming means to subject the polyester composition to strain induced crystallization thereby forming the polyester composition into a polyester film having a density of at least about 1.362 gm/cm.sup.3.
- 25. The method according to claim 24 including using the forming means to subject the polyester composition to thermal crystallization after the strain induced crystallization.
- 26. The bottle of claim 4 having a stretch index less than or equal to about 90 cm.
- 27. The bottle of claim 4 having a stretch index less than or equal to about 95 cm.
- 28. The bottle of claim 4 having a stretch index less than or equal to about 80 cm.
- 29. The bottle of claim 4 containg a liquid selected from the group consisting of water, a beverage, carbonated water and carbonated beverage.
Parent Case Info
This application claims the benefit of U.S. Provisional Patent Application Ser. No. 60/021,542 filed on July 11, 1996, and is a continuation-in-part of U.S. patent application Ser. No. 08/850,168 filed on May 2, 1997, now U.S. Pat. No. 5,912,307, and these applications, including their claims, are specifically incorporated by reference herein.
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Continuation in Parts (1)
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Number |
Date |
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Parent |
850168 |
May 1997 |
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