CN100497435C - 能有效控制产品端羧基的聚对苯二甲酸乙二醇酯的制备方法 - Google Patents
能有效控制产品端羧基的聚对苯二甲酸乙二醇酯的制备方法 Download PDFInfo
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- CN100497435C CN100497435C CNB2007100250685A CN200710025068A CN100497435C CN 100497435 C CN100497435 C CN 100497435C CN B2007100250685 A CNB2007100250685 A CN B2007100250685A CN 200710025068 A CN200710025068 A CN 200710025068A CN 100497435 C CN100497435 C CN 100497435C
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- Prior art keywords
- reactor
- pipeline
- kettle
- ethylene glycol
- prepolymerization
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- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 title claims abstract description 18
- 238000000034 method Methods 0.000 title claims abstract description 11
- -1 polyethylene terephthalate Polymers 0.000 title claims abstract description 9
- 229920000139 polyethylene terephthalate Polymers 0.000 title claims description 8
- 239000005020 polyethylene terephthalate Substances 0.000 title claims description 8
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims abstract description 72
- 230000032050 esterification Effects 0.000 claims abstract description 20
- 238000005886 esterification reaction Methods 0.000 claims abstract description 20
- 238000002347 injection Methods 0.000 claims abstract description 20
- 239000007924 injection Substances 0.000 claims abstract description 20
- 239000000463 material Substances 0.000 claims abstract description 17
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 claims abstract description 10
- 238000006116 polymerization reaction Methods 0.000 claims abstract description 9
- 239000000654 additive Substances 0.000 claims abstract description 7
- 238000002360 preparation method Methods 0.000 claims abstract description 7
- 239000002002 slurry Substances 0.000 claims description 20
- 238000006243 chemical reaction Methods 0.000 claims description 18
- 230000000996 additive effect Effects 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 4
- 238000003756 stirring Methods 0.000 claims description 4
- 238000005453 pelletization Methods 0.000 claims description 3
- 239000004698 Polyethylene Substances 0.000 abstract 1
- 239000000155 melt Substances 0.000 abstract 1
- 229920000573 polyethylene Polymers 0.000 abstract 1
- 230000008092 positive effect Effects 0.000 abstract 1
- 238000005265 energy consumption Methods 0.000 description 6
- 238000005520 cutting process Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000035484 reaction time Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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- Polyesters Or Polycarbonates (AREA)
Abstract
Description
本发明产品 | 其他产品 | |
端羧基 | 容易控制 | 控制后会影响b值 |
酯化温度 | 酯化温度低,能源消耗少 | 酯化温度高,能源消耗大 |
调节端羧基时间 | 出现波动后,时间短,分割料少 | 时间长,分割料多 |
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CNB2007100250685A CN100497435C (zh) | 2007-07-03 | 2007-07-03 | 能有效控制产品端羧基的聚对苯二甲酸乙二醇酯的制备方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CNB2007100250685A CN100497435C (zh) | 2007-07-03 | 2007-07-03 | 能有效控制产品端羧基的聚对苯二甲酸乙二醇酯的制备方法 |
Publications (2)
Publication Number | Publication Date |
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CN101104677A CN101104677A (zh) | 2008-01-16 |
CN100497435C true CN100497435C (zh) | 2009-06-10 |
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Family Applications (1)
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CNB2007100250685A Expired - Fee Related CN100497435C (zh) | 2007-07-03 | 2007-07-03 | 能有效控制产品端羧基的聚对苯二甲酸乙二醇酯的制备方法 |
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CN (1) | CN100497435C (zh) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101525782B (zh) * | 2008-03-04 | 2012-08-08 | 东丽纤维研究所(中国)有限公司 | 一种聚对苯二甲酸乙二醇酯短纤维及生产方法 |
CN101891882A (zh) * | 2010-07-13 | 2010-11-24 | 江苏盛虹化纤有限公司 | 连续聚酯二甘醇线外添加的方法 |
CN104403091B (zh) * | 2014-11-18 | 2017-02-22 | 浙江古纤道新材料股份有限公司 | 一种聚酯生产装置及工艺 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1154973A (zh) * | 1995-02-21 | 1997-07-23 | Basf公司 | 低端羧基含量的热塑性聚酯的制备 |
CN1644600A (zh) * | 2004-09-01 | 2005-07-27 | 薛纪良 | 能改善产品色值的聚对苯二甲酸乙二醇酯的制备方法 |
CN1693335A (zh) * | 2005-05-17 | 2005-11-09 | 薛纪良 | 高透明节能膜用聚酯切片的制备方法 |
CN1903936A (zh) * | 2006-07-04 | 2007-01-31 | 薛纪良 | 高吸热型pet瓶级聚酯切片及其制备方法 |
WO2007026838A1 (ja) * | 2005-09-01 | 2007-03-08 | Mitsubishi Chemical Corporation | ポリエステルの製造方法 |
-
2007
- 2007-07-03 CN CNB2007100250685A patent/CN100497435C/zh not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1154973A (zh) * | 1995-02-21 | 1997-07-23 | Basf公司 | 低端羧基含量的热塑性聚酯的制备 |
CN1644600A (zh) * | 2004-09-01 | 2005-07-27 | 薛纪良 | 能改善产品色值的聚对苯二甲酸乙二醇酯的制备方法 |
CN1693335A (zh) * | 2005-05-17 | 2005-11-09 | 薛纪良 | 高透明节能膜用聚酯切片的制备方法 |
WO2007026838A1 (ja) * | 2005-09-01 | 2007-03-08 | Mitsubishi Chemical Corporation | ポリエステルの製造方法 |
CN1903936A (zh) * | 2006-07-04 | 2007-01-31 | 薛纪良 | 高吸热型pet瓶级聚酯切片及其制备方法 |
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CN101104677A (zh) | 2008-01-16 |
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Assignee: Jiangsu Xingye Plastic Co., Ltd. Assignor: Bian Pingfang Contract record no.: 2011320001094 Denomination of invention: Method for preparing polyethylene terephthalate capable of effectively control products terminal carboxyl group Granted publication date: 20090610 License type: Exclusive License Open date: 20080116 Record date: 20110822 |
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