JPS57123253A - Polyester composition - Google Patents
Polyester compositionInfo
- Publication number
- JPS57123253A JPS57123253A JP1036381A JP1036381A JPS57123253A JP S57123253 A JPS57123253 A JP S57123253A JP 1036381 A JP1036381 A JP 1036381A JP 1036381 A JP1036381 A JP 1036381A JP S57123253 A JPS57123253 A JP S57123253A
- Authority
- JP
- Japan
- Prior art keywords
- titanium dioxide
- transparency
- deteriorated
- polymer
- particle size
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Abstract
PURPOSE: A polyester composition with improved transparency and moldability, prepd. by incorporating titanium dioxide of a specified particle size in a polyester.
CONSTITUTION: 100W700ppm, based on the wt. of a polyester, titanium dioxide of particle size 50W150mm is incorporated. With particle size of the titanium dioxide >150mm, only a small amt. of the added titanium dioxide greatly deteriorates transparency because of its original matting effect, while the size of 50mm or less, the polymer is deteriorated in whiteness because of the deteriorated whiteness of the titanium dioxide, and the titanium dioxide is lowered in handlability and increasingly agglomerates in the polymer because it is liable to agglomerate. With a content of the titanium dioxide <100ppm, the polymer has good transparency but is deteriorated in spinnability and film moldability, while with more than 700ppm, it has good moldability but is inferior in transparency.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1036381A JPS57123253A (en) | 1981-01-26 | 1981-01-26 | Polyester composition |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1036381A JPS57123253A (en) | 1981-01-26 | 1981-01-26 | Polyester composition |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS57123253A true JPS57123253A (en) | 1982-07-31 |
Family
ID=11748072
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1036381A Pending JPS57123253A (en) | 1981-01-26 | 1981-01-26 | Polyester composition |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57123253A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2000055255A3 (en) * | 1999-03-18 | 2001-01-11 | Teijin Ltd | Hollow molded product comprising ethylene-2,6-naphthalene dicarboxylate polymer and ultraviolet absorber and production process therefor |
US10392526B2 (en) * | 2015-10-30 | 2019-08-27 | Kronos International, Inc. | Matting agent and method for obtaining the same |
-
1981
- 1981-01-26 JP JP1036381A patent/JPS57123253A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2000055255A3 (en) * | 1999-03-18 | 2001-01-11 | Teijin Ltd | Hollow molded product comprising ethylene-2,6-naphthalene dicarboxylate polymer and ultraviolet absorber and production process therefor |
US10392526B2 (en) * | 2015-10-30 | 2019-08-27 | Kronos International, Inc. | Matting agent and method for obtaining the same |
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