JPH0553814B2 - - Google Patents
Info
- Publication number
- JPH0553814B2 JPH0553814B2 JP25189784A JP25189784A JPH0553814B2 JP H0553814 B2 JPH0553814 B2 JP H0553814B2 JP 25189784 A JP25189784 A JP 25189784A JP 25189784 A JP25189784 A JP 25189784A JP H0553814 B2 JPH0553814 B2 JP H0553814B2
- Authority
- JP
- Japan
- Prior art keywords
- polymerization
- ethylene glycol
- liquid
- vacuum pump
- ring vacuum
- 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.)
- Expired - Lifetime
Links
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 162
- 238000006116 polymerization reaction Methods 0.000 claims description 68
- 239000007788 liquid Substances 0.000 claims description 48
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 claims description 20
- 238000005886 esterification reaction Methods 0.000 claims description 15
- 229920000728 polyester Polymers 0.000 claims description 13
- 238000007789 sealing Methods 0.000 claims description 9
- 238000004821 distillation Methods 0.000 claims description 8
- 229920000642 polymer Polymers 0.000 claims description 8
- 239000002253 acid Substances 0.000 claims description 3
- 238000005809 transesterification reaction Methods 0.000 claims description 3
- 239000002826 coolant Substances 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 15
- -1 polyethylene terephthalate Polymers 0.000 description 11
- 238000006068 polycondensation reaction Methods 0.000 description 8
- 239000002994 raw material Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 229920000139 polyethylene terephthalate Polymers 0.000 description 7
- 239000005020 polyethylene terephthalate Substances 0.000 description 7
- 239000012530 fluid Substances 0.000 description 5
- 239000006227 byproduct Substances 0.000 description 4
- WOZVHXUHUFLZGK-UHFFFAOYSA-N dimethyl terephthalate Chemical group COC(=O)C1=CC=C(C(=O)OC)C=C1 WOZVHXUHUFLZGK-UHFFFAOYSA-N 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 229920001707 polybutylene terephthalate Polymers 0.000 description 3
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 2
- CDQSJQSWAWPGKG-UHFFFAOYSA-N butane-1,1-diol Chemical compound CCCC(O)O CDQSJQSWAWPGKG-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000008235 industrial water Substances 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- MRLFFZIIRRKXBJ-UHFFFAOYSA-N bis(4-hydroxybutyl) benzene-1,4-dicarboxylate Chemical compound OCCCCOC(=O)C1=CC=C(C(=O)OCCCCO)C=C1 MRLFFZIIRRKXBJ-UHFFFAOYSA-N 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000032050 esterification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Polyesters Or Polycarbonates (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP25189784A JPS61130336A (ja) | 1984-11-30 | 1984-11-30 | ポリエステル重合装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP25189784A JPS61130336A (ja) | 1984-11-30 | 1984-11-30 | ポリエステル重合装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61130336A JPS61130336A (ja) | 1986-06-18 |
| JPH0553814B2 true JPH0553814B2 (enExample) | 1993-08-11 |
Family
ID=17229575
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP25189784A Granted JPS61130336A (ja) | 1984-11-30 | 1984-11-30 | ポリエステル重合装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61130336A (enExample) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5466765A (en) * | 1995-03-09 | 1995-11-14 | Eastman Chemical Company | Vaccum system for controlling pressure in a polyester process |
| JP4872387B2 (ja) * | 2006-03-08 | 2012-02-08 | 株式会社日立プラントテクノロジー | ポリヒドロキシカルボン酸の合成方法及びそれに用いるポリヒドロキシカルボン酸合成装置 |
| CN107398696B (zh) * | 2017-09-13 | 2019-11-08 | 平顶山神马工程塑料有限责任公司 | 一种聚合釜机封更换方法及更换改进系统 |
-
1984
- 1984-11-30 JP JP25189784A patent/JPS61130336A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61130336A (ja) | 1986-06-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA2698286C (en) | Condensation and washing device, polymerisation device and also method for cleaning process vapours during the production of polylactide | |
| US4758650A (en) | Process and apparatus for producing high molecular weight polyesters | |
| US4011202A (en) | Separating vaporous reaction product in the production of polyesters | |
| JP4126465B2 (ja) | 軽成分を釜残液より分留する方法 | |
| CN101096413B (zh) | 聚羟基羧酸合成方法及装置 | |
| JPH0553814B2 (enExample) | ||
| JPS60163918A (ja) | ポリエステルの連続製造方法 | |
| KR20100099135A (ko) | 폴리에스테르 및 코폴리에스테르의 제조 동안 진공을 발생시키는 방법 및 장치 | |
| US7317073B2 (en) | Method of producing vacuum in the production of polymers | |
| EP1716094B1 (en) | Steam recompression in aromatic carboxylic acid processes | |
| JP2014214166A (ja) | ポリエステルの製造方法及び製造装置 | |
| US3430451A (en) | Compression of gaseous streams containing carbon monoxide | |
| HK1043069A1 (en) | Vacuum distillation system and use thereof for concentrating organic-aqueous solvent mixtures | |
| JP2008536981A (ja) | 減圧を発生させそして重縮合反応の際に揮発性化合物を分離する方法及び装置 | |
| JP3812564B2 (ja) | ポリエステルの製造方法 | |
| CN215139653U (zh) | 一种改良型高效间歇常压聚酯合成装置 | |
| JPH09176298A (ja) | ポリエステル樹脂製造装置 | |
| JPH10316747A (ja) | ポリエチレンテレフタレートの製造方法及び製造装置 | |
| JP4872387B2 (ja) | ポリヒドロキシカルボン酸の合成方法及びそれに用いるポリヒドロキシカルボン酸合成装置 | |
| JP3301311B2 (ja) | ２−ヒドロキシカルボン酸オリゴマーの連続製造方法 | |
| JP3566582B2 (ja) | ポリエステルの連続製造方法 | |
| JP4050022B2 (ja) | ポリエステルの連続製造方法 | |
| EA005296B1 (ru) | Способ непрерывного получения полиэфиров или сополиэфиров | |
| JP2025512918A (ja) | ポリエチレンテレフタレートの改良された解重合法 | |
| KR0140015Y1 (ko) | 폴리에스테르 중합장치 |