CN115286777A - 一种低端羧基生物降解聚酯及其专用料的制备方法 - Google Patents
一种低端羧基生物降解聚酯及其专用料的制备方法 Download PDFInfo
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/78—Preparation processes
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
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- C08G63/914—Polymers modified by chemical after-treatment derived from polycarboxylic acids and polyhydroxy compounds
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/28—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture specially adapted for farming
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W90/00—Enabling technologies or technologies with a potential or indirect contribution to greenhouse gas [GHG] emissions mitigation
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- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
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- General Chemical & Material Sciences (AREA)
- Polyesters Or Polycarbonates (AREA)
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CN202211205275.XA CN115286777B (zh) | 2022-09-30 | 2022-09-30 | 一种低端羧基生物降解聚酯及其专用料的制备方法 |
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Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103408739A (zh) * | 2013-08-08 | 2013-11-27 | 山东汇盈新材料科技有限公司 | 低端羧基含量聚己二酸-对苯二甲酸丁二醇酯的制备方法 |
CN110591057A (zh) * | 2019-09-09 | 2019-12-20 | 彤程化学(中国)有限公司 | 一种生物可降解脂肪族-芳香族共聚酯的合成方法 |
CN110606941A (zh) * | 2018-05-29 | 2019-12-24 | 中国科学院化学研究所 | 一种低端羧基耐水解聚酯及其制备方法和用途 |
CN112876646A (zh) * | 2021-01-15 | 2021-06-01 | 华峰集团有限公司 | 一种改性扩链剂及其制备方法和应用 |
CN114539511A (zh) * | 2022-04-27 | 2022-05-27 | 富海(东营)新材料科技有限公司 | 有机碳鎓盐催化合成生物降解聚酯pbat的方法 |
WO2022126812A1 (zh) * | 2020-12-14 | 2022-06-23 | 彤程化学(中国)有限公司 | 一种可生物降解的脂肪族-芳香族共聚酯及其合成方法 |
CN115109237A (zh) * | 2022-02-23 | 2022-09-27 | 上海聚友化工有限公司 | 一种脂肪族可降解聚酯的连续制备工艺 |
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- 2022-09-30 CN CN202211205275.XA patent/CN115286777B/zh active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103408739A (zh) * | 2013-08-08 | 2013-11-27 | 山东汇盈新材料科技有限公司 | 低端羧基含量聚己二酸-对苯二甲酸丁二醇酯的制备方法 |
CN110606941A (zh) * | 2018-05-29 | 2019-12-24 | 中国科学院化学研究所 | 一种低端羧基耐水解聚酯及其制备方法和用途 |
CN110591057A (zh) * | 2019-09-09 | 2019-12-20 | 彤程化学(中国)有限公司 | 一种生物可降解脂肪族-芳香族共聚酯的合成方法 |
WO2022126812A1 (zh) * | 2020-12-14 | 2022-06-23 | 彤程化学(中国)有限公司 | 一种可生物降解的脂肪族-芳香族共聚酯及其合成方法 |
CN112876646A (zh) * | 2021-01-15 | 2021-06-01 | 华峰集团有限公司 | 一种改性扩链剂及其制备方法和应用 |
CN115109237A (zh) * | 2022-02-23 | 2022-09-27 | 上海聚友化工有限公司 | 一种脂肪族可降解聚酯的连续制备工艺 |
CN114539511A (zh) * | 2022-04-27 | 2022-05-27 | 富海(东营)新材料科技有限公司 | 有机碳鎓盐催化合成生物降解聚酯pbat的方法 |
Non-Patent Citations (1)
Title |
---|
李明等: ""PET扩链反应研究"", 《合成技术及应用》 * |
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