JPS5749620A - Improvement of polyester - Google Patents
Improvement of polyesterInfo
- Publication number
- JPS5749620A JPS5749620A JP12524380A JP12524380A JPS5749620A JP S5749620 A JPS5749620 A JP S5749620A JP 12524380 A JP12524380 A JP 12524380A JP 12524380 A JP12524380 A JP 12524380A JP S5749620 A JPS5749620 A JP S5749620A
- Authority
- JP
- Japan
- Prior art keywords
- terminal
- polyester
- formula
- organic group
- aromatic polyester
- 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
Landscapes
- Polyesters Or Polycarbonates (AREA)
Abstract
PURPOSE: To increase the chemical stability of a terminal OH-containing saturated linear aromatic polyester in molten state and to suppress formation of oligomer, by reacting the polyester with a cyclic iminoester compound of a specific structure at high temperature.
CONSTITUTION: A terminal OH-containing and substantially linear aromatic polyester (e.g., polyethylene terephthalate having a terminal OH group of 20W50 equivalent/106g and an intrinsic viscosity of about 0.7) is reacted with preferably 0.2W4 PHR cyclic iminoester compound (e.g., 2-phenyl-3,1-benzooxazine-4-one, etc.) shown by the formula I (R is monofunctional organic group; X is bifunctional organic group; a ring structure shown by the formula II is 5W6 membered ring) preferably at normal pressure in an inert gas, e.g., N2, etc. or under reduced pressure at 200W300°C for about 1W30min.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12524380A JPS5749620A (en) | 1980-09-11 | 1980-09-11 | Improvement of polyester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12524380A JPS5749620A (en) | 1980-09-11 | 1980-09-11 | Improvement of polyester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5749620A true JPS5749620A (en) | 1982-03-23 |
Family
ID=14905318
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12524380A Pending JPS5749620A (en) | 1980-09-11 | 1980-09-11 | Improvement of polyester |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5749620A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59105025A (en) * | 1982-12-07 | 1984-06-18 | Unitika Ltd | Production of heat-resistant polyester |
| WO1992018488A1 (en) * | 1991-04-10 | 1992-10-29 | Japan Tobacco Inc. | Novel oxazinone derivative |
| US6878457B2 (en) | 2002-06-05 | 2005-04-12 | Cellresin Technologies, Llc | Reducing concentration of organic materials with substituted cyclodextrin compound in polyester packaging materials |
| EP2719529A1 (en) | 2012-10-10 | 2014-04-16 | Armacell Enterprise GmbH | Prevention of depolymerization of polyalkylene terephthalate in laminated structures |
-
1980
- 1980-09-11 JP JP12524380A patent/JPS5749620A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59105025A (en) * | 1982-12-07 | 1984-06-18 | Unitika Ltd | Production of heat-resistant polyester |
| JPH0333174B2 (en) * | 1982-12-07 | 1991-05-16 | Unitika Ltd | |
| WO1992018488A1 (en) * | 1991-04-10 | 1992-10-29 | Japan Tobacco Inc. | Novel oxazinone derivative |
| US6878457B2 (en) | 2002-06-05 | 2005-04-12 | Cellresin Technologies, Llc | Reducing concentration of organic materials with substituted cyclodextrin compound in polyester packaging materials |
| US6974603B2 (en) | 2002-06-05 | 2005-12-13 | Cellresin Technologies, Llc | Reducing concentration of organic materials with substituted cyclodextrin compound in polyester packaging materials |
| US7018712B2 (en) | 2002-06-05 | 2006-03-28 | Cellresin Technologies, Llc | Reducing concentration of organic materials with substituted cyclodextrin compound in polyester packaging materials |
| EP2719529A1 (en) | 2012-10-10 | 2014-04-16 | Armacell Enterprise GmbH | Prevention of depolymerization of polyalkylene terephthalate in laminated structures |
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