Title:
POLYTRIMETHYLENE TEREPHTHALATE POLYESTER
Document Type and Number:
WIPO Patent Application WO/2003/004548
Kind Code:
A1
Abstract:
A polytrimethylene terephthalate polyester which is composed mainly of trimethylene terephthalate repeating units, contains at least one compound selected from the group consisting of alkali metal compounds, alkaline earth metal compounds and manganese compounds in an amount of 10 to 150 ppm in terms of metal element(s), and satisfies the relationship (I): 0 ≤ P&sol M ≤ 1 (I) wherein P is the molar amount of phosphorus contained in the polyester&semi and M is the total molar amount of alkali metals, alkaline earth metals and manganese contained therein.
Inventors:
TSUKAMOTO RYOJI (JP)
Application Number:
PCT/JP2002/006840
Publication Date:
January 16, 2003
Filing Date:
July 05, 2002
Export Citation:
Assignee:
TEIJIN LTD (JP)
TSUKAMOTO RYOJI (JP)
TSUKAMOTO RYOJI (JP)
International Classes:
C08G63/183; C08G63/672; C08G63/82; C08G63/83; C08G63/85; D01F1/10; D01F6/62; (IPC1-7): C08G63/85
Foreign References:
| JP2000109552A | 2000-04-18 |
Other References:
See also references of EP 1426395A4
Attorney, Agent or Firm:
Maeda, Sumihiro (Intellectual Property Center 1-1,
Uchisaiwaicho 2-chom, Chiyoda-ku Tokyo, JP)
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