TW374090B - Process for production of flame-resistant polyester - Google Patents
Process for production of flame-resistant polyesterInfo
- Publication number
- TW374090B TW374090B TW087113917A TW87113917A TW374090B TW 374090 B TW374090 B TW 374090B TW 087113917 A TW087113917 A TW 087113917A TW 87113917 A TW87113917 A TW 87113917A TW 374090 B TW374090 B TW 374090B
- Authority
- TW
- Taiwan
- Prior art keywords
- acid
- flame
- production
- polycondensation
- esterification
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 2
- 229920000728 polyester Polymers 0.000 title abstract 2
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 abstract 3
- PHGBTOBVWQJBKT-UHFFFAOYSA-N OC(=O)P(O)=O Chemical compound OC(=O)P(O)=O PHGBTOBVWQJBKT-UHFFFAOYSA-N 0.000 abstract 3
- 150000002148 esters Chemical class 0.000 abstract 3
- 238000006068 polycondensation reaction Methods 0.000 abstract 3
- 230000032050 esterification Effects 0.000 abstract 2
- 238000005886 esterification reaction Methods 0.000 abstract 2
- 239000000203 mixture Substances 0.000 abstract 2
- 239000005977 Ethylene Substances 0.000 abstract 1
- OFOBLEOULBTSOW-UHFFFAOYSA-N Malonic acid Chemical compound OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 abstract 1
- 239000002253 acid Substances 0.000 abstract 1
- 150000001339 alkali metal compounds Chemical class 0.000 abstract 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract 1
- 238000006243 chemical reaction Methods 0.000 abstract 1
- 150000002009 diols Chemical class 0.000 abstract 1
- 229910052760 oxygen Inorganic materials 0.000 abstract 1
- 239000001301 oxygen Substances 0.000 abstract 1
Landscapes
- Polyesters Or Polycarbonates (AREA)
Abstract
The present invention comprises a process of the production of flame-resistant polyesters with at least 50 mol% ethylene carboxylate unit through esterification or ester interchange and co-polycondensation of at least one diol and a dicarboxylic acid or its dialkyl ester with a carboxyphosphinic acid, whereby the carboxyphosphinic acid, before being added to the co-polycondensation mixture, is dissolved in ethylene glycol of not more than 90 DEG C, and the acid number of this solution is standardized to 50 to 350 mg KOH/g of carboxyphosphinic acid by adding at least one basic alkali metal compound in the absence of oxygen, and said solution is added to the co-polycondensation mixture during the second half of the esterification or ester interchange reaction.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19739852A DE19739852B4 (en) | 1997-09-11 | 1997-09-11 | Process for the preparation of flame-resistant polyesters |
| US9762497A | 1997-10-01 | 1997-10-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| TW374090B true TW374090B (en) | 1999-11-11 |
Family
ID=57941777
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW087113917A TW374090B (en) | 1997-09-11 | 1998-09-10 | Process for production of flame-resistant polyester |
Country Status (1)
| Country | Link |
|---|---|
| TW (1) | TW374090B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI664203B (en) * | 2017-10-11 | 2019-07-01 | 遠東新世紀股份有限公司 | Flame-retardant polyester and preparation method thereof |
-
1998
- 1998-09-10 TW TW087113917A patent/TW374090B/en active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI664203B (en) * | 2017-10-11 | 2019-07-01 | 遠東新世紀股份有限公司 | Flame-retardant polyester and preparation method thereof |
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