GB201520339D0 - Method for continuously preparing high molecular weight polyhydroxy acid - Google Patents
Method for continuously preparing high molecular weight polyhydroxy acidInfo
- 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- Withdrawn
Links
Classifications
-
- 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
- C08G63/02—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
- C08G63/06—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from hydroxycarboxylic acids
-
- 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
- C08G63/02—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
- C08G63/06—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from hydroxycarboxylic acids
- C08G63/08—Lactones or lactides
-
- 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
- C08G63/78—Preparation processes
- C08G63/82—Preparation processes characterised by the catalyst used
- C08G63/83—Alkali metals, alkaline earth metals, beryllium, magnesium, copper, silver, gold, zinc, cadmium, mercury, manganese, or compounds thereof
-
- 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
- C08G63/78—Preparation processes
- C08G63/82—Preparation processes characterised by the catalyst used
- C08G63/85—Germanium, tin, lead, arsenic, antimony, bismuth, titanium, zirconium, hafnium, vanadium, niobium, tantalum, or compounds thereof
-
- 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
- C08G63/91—Polymers modified by chemical after-treatment
- C08G63/912—Polymers 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)
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)
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)
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 |
-
2013
- 2013-05-06 CN CN201310168201.8A patent/CN103304786B/en active Active
-
2014
- 2014-04-04 WO PCT/CN2014/074806 patent/WO2014180205A1/en active Application Filing
- 2014-04-04 GB GB1520339.1A patent/GB2528814A/en not_active Withdrawn
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) |