GB201520339D0 - Method for continuously preparing high molecular weight polyhydroxy acid - Google Patents

Method for continuously preparing high molecular weight polyhydroxy acid

Info

Publication number
GB201520339D0
GB201520339D0 GBGB1520339.1A GB201520339A GB201520339D0 GB 201520339 D0 GB201520339 D0 GB 201520339D0 GB 201520339 A GB201520339 A GB 201520339A GB 201520339 D0 GB201520339 D0 GB 201520339D0
Authority
GB
United Kingdom
Prior art keywords
molecular weight
high molecular
preparing high
continuously preparing
polyhydroxy acid
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.)
Withdrawn
Application number
GBGB1520339.1A
Other versions
GB2528814A (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Changzhou University
Original Assignee
Changzhou University
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Changzhou University filed Critical Changzhou University
Publication of GB201520339D0 publication Critical patent/GB201520339D0/en
Publication of GB2528814A publication Critical patent/GB2528814A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G63/00Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
    • C08G63/02Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
    • C08G63/06Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from hydroxycarboxylic acids
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G63/00Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
    • C08G63/02Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
    • C08G63/06Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from hydroxycarboxylic acids
    • C08G63/08Lactones or lactides
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G63/00Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
    • C08G63/78Preparation processes
    • C08G63/82Preparation processes characterised by the catalyst used
    • C08G63/83Alkali metals, alkaline earth metals, beryllium, magnesium, copper, silver, gold, zinc, cadmium, mercury, manganese, or compounds thereof
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G63/00Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
    • C08G63/78Preparation processes
    • C08G63/82Preparation processes characterised by the catalyst used
    • C08G63/85Germanium, tin, lead, arsenic, antimony, bismuth, titanium, zirconium, hafnium, vanadium, niobium, tantalum, or compounds thereof
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G63/00Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
    • C08G63/91Polymers modified by chemical after-treatment
    • C08G63/912Polymers modified by chemical after-treatment derived from hydroxycarboxylic acids

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Polyesters Or Polycarbonates (AREA)
GB1520339.1A 2013-05-06 2014-04-04 Method for continuously preparing high molecular weight polyhydroxy acid Withdrawn GB2528814A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201310168201.8A CN103304786B (en) 2013-05-06 2013-05-06 The method of polyhydroxy acid with high molecular weight is prepared in a kind of serialization
PCT/CN2014/074806 WO2014180205A1 (en) 2013-05-06 2014-04-04 Method for continuously preparing high molecular weight polyhydroxy acid

Publications (2)

Publication Number Publication Date
GB201520339D0 true GB201520339D0 (en) 2015-12-30
GB2528814A GB2528814A (en) 2016-02-03

Family

ID=49130534

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1520339.1A Withdrawn GB2528814A (en) 2013-05-06 2014-04-04 Method for continuously preparing high molecular weight polyhydroxy acid

Country Status (3)

Country Link
CN (1) CN103304786B (en)
GB (1) GB2528814A (en)
WO (1) WO2014180205A1 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103304786B (en) * 2013-05-06 2015-12-09 常州大学 The method of polyhydroxy acid with high molecular weight is prepared in a kind of serialization
CN105061491B (en) * 2015-08-07 2019-06-04 常州大学 The application of four core tin (IV) complexs and preparation method and catalysis glycolide ring-opening polymerisation
CN105440265A (en) * 2016-01-11 2016-03-30 常州大学 Method for sieving high-performance catalyst for use in ring opening polymerization of glycolide
CN111087581B (en) * 2018-10-23 2022-07-12 中国石油化工股份有限公司 Method for preparing polyglycolic acid
CN111087579B (en) * 2018-10-23 2023-04-07 中国石油化工股份有限公司 Method for producing polyglycolic acid having a small residual monomer content
CN112679708B (en) * 2019-10-17 2023-04-07 中国石油化工股份有限公司 Catalyst composition for preparing polyglycolic acid through continuous ring opening, method for preparing polyglycolic acid and polyglycolic acid
CN111269403B (en) * 2020-03-09 2022-04-26 常州大学 Long-life polyglycolide material prepared by adopting nano oxide as stabilizer and without special protection
CN111253724B (en) * 2020-03-09 2022-06-17 常州大学 Long-life polyglycolide material prepared by phosphite ester as hydrolysis-resistant reinforcing agent and without special protection and preparation method thereof
CN113278136B (en) * 2021-05-24 2022-06-21 杭州锐健马斯汀医疗器材有限公司 Preparation method and polymerization reaction system of biodegradable polyester
CN113683756A (en) * 2021-08-26 2021-11-23 杭州锐健马斯汀医疗器材有限公司 Method for synthesizing polyglycolide, application of polyglycolide and synthesis device

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE36499C (en) * 1960-12-12 H. F. FÜLLER in New-York Machine for making horseshoes
US5378801A (en) * 1988-11-01 1995-01-03 Reichert; Dieter Continuous process for the preparation of resorable polyesters and the use thereof
BE1009255A3 (en) * 1995-04-07 1997-01-07 Solvay PERFECTED PROCESS FOR THE CONTINUOUS MANUFACTURING OF POLY- -CAPROLACTONES.
US20040082747A1 (en) * 2002-05-01 2004-04-29 Jonn Amy T. Continuous process for the preparation of absorbable monofilament fibers of homopolymers and random copolymers and the use thereof
CN1262570C (en) * 2004-01-16 2006-07-05 成都新柯力化工科技有限公司 Process for preparing poly-lacti acid
JP2009132857A (en) * 2007-10-29 2009-06-18 Hitachi Plant Technologies Ltd Method and device for producing polymer
CN103304786B (en) * 2013-05-06 2015-12-09 常州大学 The method of polyhydroxy acid with high molecular weight is prepared in a kind of serialization

Also Published As

Publication number Publication date
CN103304786B (en) 2015-12-09
WO2014180205A1 (en) 2014-11-13
GB2528814A (en) 2016-02-03
CN103304786A (en) 2013-09-18

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)