CN104447341B - 一种聚酯醇解方法 - Google Patents
一种聚酯醇解方法 Download PDFInfo
- Publication number
- CN104447341B CN104447341B CN201410609044.4A CN201410609044A CN104447341B CN 104447341 B CN104447341 B CN 104447341B CN 201410609044 A CN201410609044 A CN 201410609044A CN 104447341 B CN104447341 B CN 104447341B
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- CN
- China
- Prior art keywords
- polyester
- reaction
- ethylene glycol
- depolymerization
- alcoholysis
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- 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.)
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- MSHXNDQXMGRJPL-UHFFFAOYSA-N C1C=[I]C11NCCC1 Chemical compound C1C=[I]C11NCCC1 MSHXNDQXMGRJPL-UHFFFAOYSA-N 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/03—Preparation of carboxylic acid esters by reacting an ester group with a hydroxy group
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- B01J31/16—Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes
- B01J31/22—Organic complexes
- B01J31/2204—Organic complexes the ligands containing oxygen or sulfur as complexing atoms
- B01J31/2208—Oxygen, e.g. acetylacetonates
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2231/00—Catalytic reactions performed with catalysts classified in B01J31/00
- B01J2231/40—Substitution reactions at carbon centres, e.g. C-C or C-X, i.e. carbon-hetero atom, cross-coupling, C-H activation or ring-opening reactions
- B01J2231/49—Esterification or transesterification
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2531/00—Additional information regarding catalytic systems classified in B01J31/00
- B01J2531/40—Complexes comprising metals of Group IV (IVA or IVB) as the central metal
- B01J2531/46—Titanium
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
Abstract
Description
Claims (8)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201410609044.4A CN104447341B (zh) | 2014-11-03 | 2014-11-03 | 一种聚酯醇解方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201410609044.4A CN104447341B (zh) | 2014-11-03 | 2014-11-03 | 一种聚酯醇解方法 |
Publications (2)
Publication Number | Publication Date |
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CN104447341A CN104447341A (zh) | 2015-03-25 |
CN104447341B true CN104447341B (zh) | 2016-02-10 |
Family
ID=52894179
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201410609044.4A Active CN104447341B (zh) | 2014-11-03 | 2014-11-03 | 一种聚酯醇解方法 |
Country Status (1)
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CN (1) | CN104447341B (zh) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111116359A (zh) * | 2019-03-08 | 2020-05-08 | 沈辉 | 一种高性能聚酯醇解溶液及废旧聚酯醇解方法 |
CN112707449B (zh) * | 2019-10-24 | 2023-02-28 | 中国石油化工股份有限公司 | 一种处理含钛废液的方法 |
CN113927529B (zh) * | 2021-11-08 | 2023-07-25 | 武汉蔚能电池资产有限公司 | 电池包拆解方法 |
CN114622401B (zh) * | 2022-05-13 | 2022-10-04 | 江苏恒力化纤股份有限公司 | 一种聚酯织物功能化后整理的方法 |
CN114805776A (zh) * | 2022-06-02 | 2022-07-29 | 四川大学 | 一种聚酯解聚或环酯合成催化剂及制备方法和应用 |
CN115286502B (zh) * | 2022-08-11 | 2024-04-16 | 浙江高乐高分子材料有限公司 | 一种再生pet材料及其制备方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102584594A (zh) * | 2011-01-11 | 2012-07-18 | 中国科学院过程工程研究所 | CoCl42-/NiCl42-型离子液体催化醇解聚对苯二甲酸乙二醇酯的方法 |
CN102731310A (zh) * | 2011-04-12 | 2012-10-17 | 中国科学院过程工程研究所 | 第一过渡系金属离子液体催化醇解聚对苯二甲酸乙二醇酯的方法 |
CN103965509A (zh) * | 2014-04-29 | 2014-08-06 | 江南大学 | 乙二醇降解聚酯的废液的回收利用方法 |
-
2014
- 2014-11-03 CN CN201410609044.4A patent/CN104447341B/zh active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102584594A (zh) * | 2011-01-11 | 2012-07-18 | 中国科学院过程工程研究所 | CoCl42-/NiCl42-型离子液体催化醇解聚对苯二甲酸乙二醇酯的方法 |
CN102731310A (zh) * | 2011-04-12 | 2012-10-17 | 中国科学院过程工程研究所 | 第一过渡系金属离子液体催化醇解聚对苯二甲酸乙二醇酯的方法 |
CN103965509A (zh) * | 2014-04-29 | 2014-08-06 | 江南大学 | 乙二醇降解聚酯的废液的回收利用方法 |
Also Published As
Publication number | Publication date |
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CN104447341A (zh) | 2015-03-25 |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20150325 Assignee: Jiangsu Hengze Composite Materials Technology Co., Ltd. Assignor: Donghua University Contract record no.: 2016320010005 Denomination of invention: Method for depolymerizing polyethylene terephthalate with ethylene glycol Granted publication date: 20160210 License type: Exclusive License Record date: 20160219 |
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Effective date of registration: 20170302 Address after: 214400 Wuxi Province, Jiangyin City, the town of Zhu Tong Fu Road, No. 22, No. Patentee after: Jiangsu Hengze Composite Materials Technology Co., Ltd. Address before: 201620 Shanghai, Songjiang new town, North Road, No. 2999 people Patentee before: Donghua University |