JPS57170953A - Modified polyester resin composition - Google Patents
Modified polyester resin compositionInfo
- Publication number
- JPS57170953A JPS57170953A JP5676681A JP5676681A JPS57170953A JP S57170953 A JPS57170953 A JP S57170953A JP 5676681 A JP5676681 A JP 5676681A JP 5676681 A JP5676681 A JP 5676681A JP S57170953 A JPS57170953 A JP S57170953A
- Authority
- JP
- Japan
- Prior art keywords
- resin composition
- methyl
- resin
- polyester resin
- terephthalate
- 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.)
- Granted
Links
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
Abstract
PURPOSE: To prepare a polytetramethylene terephthalate resin composition having excellent flexiblity and low molding shrinkage, by adding a specific amount of poly(2-methyl-1,3-propylene terephthalate) to the base resin.
CONSTITUTION: The objective resin composition is composed of a polytetramethylene terephthalate (PBT) resin and 0.1W25wt%, preferably 1W20wt% poly(2- methyl-1,3-propylene terephthalate). The resin composition can be prepared either by copolymerizing terephthalic acid with a mixed diol comprising tetramethylene glycol and 2-methyl-1,3-propanediol, or by blending a PBT resin with a polyester polymer derived from terephthalic acid and 2-methyl-1,3-propanediol.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5676681A JPS57170953A (en) | 1981-04-15 | 1981-04-15 | Modified polyester resin composition |
US06/360,493 US4381379A (en) | 1981-03-25 | 1982-03-22 | Polyester containing 2-methyl-1,3-propylene terephthalate units |
DE19823210845 DE3210845A1 (en) | 1981-03-25 | 1982-03-24 | 2-METHYL-1,3-PROPYLENE TEREPHTHALATE UNITS CONTAINING POLYESTER |
GB8208719A GB2095267B (en) | 1981-03-25 | 1982-03-25 | Polyester containing 2-methyl-1,3-propylene terephthalate units |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5676681A JPS57170953A (en) | 1981-04-15 | 1981-04-15 | Modified polyester resin composition |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57170953A true JPS57170953A (en) | 1982-10-21 |
JPS6345708B2 JPS6345708B2 (en) | 1988-09-12 |
Family
ID=13036609
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5676681A Granted JPS57170953A (en) | 1981-03-25 | 1981-04-15 | Modified polyester resin composition |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57170953A (en) |
-
1981
- 1981-04-15 JP JP5676681A patent/JPS57170953A/en active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS6345708B2 (en) | 1988-09-12 |
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