초록

A polymer composition includes a first component being a hydroxy-functional polymer, a second component being a natural polymer and a third component being a thermoplastic polyester. The first component, second component and third component are compounded to form a polymer composition.

대표청구항 ▼

What is claimed is: 1. A polymer composition comprising: a first component being an adipic polyester; a second component being a natural polymer; and a third component being a thermoplastic polyester, wherein the first component, second component and third component are combined to form the polymer

What is claimed is: 1. A polymer composition comprising: a first component being an adipic polyester; a second component being a natural polymer; and a third component being a thermoplastic polyester, wherein the first component, second component and third component are combined to form the polymer composition. 2. A polymer composition as set forth in claim 1 wherein the natural polymer is starch. 3. A polymer composition as set forth in claim 2 wherein the starch is granular. 4. A polymer composition as set forth in claim 1 wherein the thermoplastic polyester is at least one of poly(lactic acid), cellulose acetate, polycaprolactone, polyhydroxy(butyrate-co-valerate)(PHBV), poly(butylene succinate adipate), poly(butylene succinate), aliphatic-aromatic copolymer, and poly(ethylene terphathalate)(PET). 5. A polymer composition as set forth in claim 1 wherein the second component is present in an amount up to about 74 wt. %. 6. A polymer composition as set forth in claim 1 wherein the first component is present in an amount up to about 40 wt. %. 7. A polymer composition as set forth in claim 1 wherein the third component is present in an amount up to about 80 wt. %. 8. A polymer composition as set forth in claim 1 including a fourth component being at least one of an external lubricant, nucleating agent and plasticizer. 9. A polymer composition as set forth in claim 1 wherein the natural polymer has a moisture content of less than about 15 wt. %. 10. A polymer composition as set forth in claim 1 wherein the polymer composition is biodegradable. 11. A polymer composition as set forth in claim 1 wherein the polymer composition is processed into an article that keeps its shape at temperatures of up to and more than about 100째 C. 12. A polymer composition as set forth in claim 1 wherein the polymer composition is annealed to increase high temperature stability. 13. A polymer composition comprising: a first component being a hydroxy-functional polymer; a second component being a natural polymer; and a third component being a thermoplastic polyester, wherein the first component, second component and third component are combined to form the polymer composition and wherein the hydroxy-functional polymer is a poly(hydroxy ester ether)(PHEE)in an amount of about 1 wt. %.