CN103360260B - 一种对苯二甲酸乙二酯的制备工艺和聚酯的制备方法 - Google Patents
一种对苯二甲酸乙二酯的制备工艺和聚酯的制备方法 Download PDFInfo
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- CN103360260B CN103360260B CN201210102371.1A CN201210102371A CN103360260B CN 103360260 B CN103360260 B CN 103360260B CN 201210102371 A CN201210102371 A CN 201210102371A CN 103360260 B CN103360260 B CN 103360260B
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- alcoholysis
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- ethylene glycol
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- 229920000728 polyester Polymers 0.000 title claims abstract description 59
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- 238000005516 engineering process Methods 0.000 title claims abstract description 20
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- 238000006136 alcoholysis reaction Methods 0.000 claims abstract description 70
- 239000002699 waste material Substances 0.000 claims abstract description 21
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- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 80
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- 238000000034 method Methods 0.000 abstract description 24
- QPKOBORKPHRBPS-UHFFFAOYSA-N bis(2-hydroxyethyl) terephthalate Chemical compound OCCOC(=O)C1=CC=C(C(=O)OCCO)C=C1 QPKOBORKPHRBPS-UHFFFAOYSA-N 0.000 abstract description 13
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- WOZVHXUHUFLZGK-UHFFFAOYSA-N dimethyl terephthalate Chemical compound COC(=O)C1=CC=C(C(=O)OC)C=C1 WOZVHXUHUFLZGK-UHFFFAOYSA-N 0.000 description 30
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- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
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- 150000007942 carboxylates Chemical class 0.000 description 2
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- 238000011160 research Methods 0.000 description 1
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- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
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- 238000005809 transesterification reaction Methods 0.000 description 1
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CN201210102371.1A CN103360260B (zh) | 2012-04-10 | 2012-04-10 | 一种对苯二甲酸乙二酯的制备工艺和聚酯的制备方法 |
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Families Citing this family (8)
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CN108299626A (zh) * | 2016-07-15 | 2018-07-20 | 浙江绿宇环保股份有限公司 | 含涤废旧纺织品醇解法回收再生工艺 |
CN106113319A (zh) * | 2016-07-15 | 2016-11-16 | 浙江绿宇环保有限公司 | 含涤废旧纺织品回收再生工艺 |
CN107266663B (zh) * | 2017-07-03 | 2019-11-22 | 福建锦兴环保科技有限公司 | 一种利用pet粉末生产再生聚酯的工艺 |
CN107523895B (zh) * | 2017-07-20 | 2019-01-11 | 东华大学 | 一种有色再生聚酯短纤维及其制备方法 |
CN107523892B (zh) * | 2017-07-20 | 2019-01-15 | 东华大学 | 一种再生聚酯纤维及其制备方法 |
CN110818886B (zh) * | 2019-12-13 | 2022-02-11 | 中国科学院过程工程研究所 | 一种废弃pet聚酯制备再生食品级pet聚酯的方法 |
CN112646134B (zh) * | 2020-12-10 | 2023-01-20 | 北京服装学院 | 有色废旧聚酯纺织品连续制备可纺级无色再生聚酯的方法 |
CN114000217A (zh) * | 2021-12-03 | 2022-02-01 | 仪征威英化纤有限公司 | 一种清洁抛光材料用再生纤维的制备工艺 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN1304924A (zh) * | 2000-07-07 | 2001-07-25 | 中国科学院山西煤炭化学研究所 | 一种解聚聚对苯二甲酸乙二醇酯废料的方法 |
CN101565374A (zh) * | 2009-04-03 | 2009-10-28 | 北京化工大学 | 一种废聚酯的解聚方法 |
CN102250449A (zh) * | 2011-06-27 | 2011-11-23 | 沈阳化工大学 | 利用回收的对苯二甲酸合成饱和聚酯树脂的方法 |
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JPH0616595A (ja) * | 1992-07-02 | 1994-01-25 | Toray Ind Inc | 芳香族ジカルボン酸エステルの回収方法 |
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Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN1304924A (zh) * | 2000-07-07 | 2001-07-25 | 中国科学院山西煤炭化学研究所 | 一种解聚聚对苯二甲酸乙二醇酯废料的方法 |
CN101565374A (zh) * | 2009-04-03 | 2009-10-28 | 北京化工大学 | 一种废聚酯的解聚方法 |
CN102250449A (zh) * | 2011-06-27 | 2011-11-23 | 沈阳化工大学 | 利用回收的对苯二甲酸合成饱和聚酯树脂的方法 |
Non-Patent Citations (2)
Title |
---|
"PET在EG中的醇解反应";杨治伟 等;《北京服装学院学报》;19940430;第14卷(第1期);29-33 * |
"废旧聚酯(PET)的化学循环利用";杨勇 等;《化学进展》;20010131;第13卷(第1期);65-72 * |
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