DE69713477D1 - Verfahren zur Herstellung von Polyhydroxycarbonsäure - Google Patents

Verfahren zur Herstellung von Polyhydroxycarbonsäure

Info

Publication number
DE69713477D1
DE69713477D1 DE69713477T DE69713477T DE69713477D1 DE 69713477 D1 DE69713477 D1 DE 69713477D1 DE 69713477 T DE69713477 T DE 69713477T DE 69713477 T DE69713477 T DE 69713477T DE 69713477 D1 DE69713477 D1 DE 69713477D1
Authority
DE
Germany
Prior art keywords
preparation
compound
polyhydroxycarboxylic acids
polyhydroxycarboxylic acid
metal compound
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.)
Expired - Fee Related
Application number
DE69713477T
Other languages
English (en)
Other versions
DE69713477T2 (de
Inventor
Hiroshige Maruyama
Toshikazu Murayama
Nirio Yanagisawa
Nobuko Tsuzaki
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.)
KH Neochem Co Ltd
Original Assignee
Kyowa Yuka Co Ltd
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 Kyowa Yuka Co Ltd filed Critical Kyowa Yuka Co Ltd
Publication of DE69713477D1 publication Critical patent/DE69713477D1/de
Application granted granted Critical
Publication of DE69713477T2 publication Critical patent/DE69713477T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • C08G63/78—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
    • C08G63/02—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
    • C08G63/78—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
DE69713477T 1996-12-11 1997-12-10 Verfahren zur Herstellung von Polyhydroxycarbonsäure Expired - Fee Related DE69713477T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8330544A JPH10168167A (ja) 1996-12-11 1996-12-11 ポリヒドロキシカルボン酸の製造法

Publications (2)

Publication Number Publication Date
DE69713477D1 true DE69713477D1 (de) 2002-07-25
DE69713477T2 DE69713477T2 (de) 2003-02-20

Family

ID=18233832

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69713477T Expired - Fee Related DE69713477T2 (de) 1996-12-11 1997-12-10 Verfahren zur Herstellung von Polyhydroxycarbonsäure

Country Status (6)

Country Link
US (1) US20020065388A1 (de)
EP (1) EP0848026B1 (de)
JP (1) JPH10168167A (de)
AT (1) ATE219505T1 (de)
CA (1) CA2223369A1 (de)
DE (1) DE69713477T2 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO327258B1 (no) * 1999-07-27 2009-05-25 Ishikawajima Harima Heavy Ind Polyesterharpiks for anvendelse i en grohemmende maling samt grohemmende maling omfattende polyesterharpiksen
JP4794096B2 (ja) * 2001-09-27 2011-10-12 旭化成ケミカルズ株式会社 グリコール酸系共重合体の製造方法
JP2003105073A (ja) * 2001-09-27 2003-04-09 Asahi Kasei Corp 脂肪族ポリエステルの製造方法
JP2007023189A (ja) * 2005-07-19 2007-02-01 Univ Kinki 相溶化剤及び樹脂組成物
FR2903990B1 (fr) * 2006-07-20 2011-11-25 Ct Valorisation Ind Agro Ressources Procede de fabrication d'oligomeres d'acide hydroxycarboxylique biodegradables utilisables comme plastifiants
CN102295765B (zh) * 2011-06-30 2012-11-28 南京大学 生物质肌酐催化共缩聚法合成聚乳酸-乙醇酸

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5235031A (en) * 1992-03-13 1993-08-10 E. I. Du Pont De Nemours And Company Polymerization of lactide
US5440008A (en) * 1993-05-28 1995-08-08 Mitsui Toatsu Chemicals, Inc. Process for preparing polyhydroxycarboxylic acid

Also Published As

Publication number Publication date
US20020065388A1 (en) 2002-05-30
EP0848026A2 (de) 1998-06-17
EP0848026A3 (de) 1998-07-22
CA2223369A1 (en) 1998-06-11
JPH10168167A (ja) 1998-06-23
DE69713477T2 (de) 2003-02-20
EP0848026B1 (de) 2002-06-19
ATE219505T1 (de) 2002-07-15

Similar Documents

Publication Publication Date Title
US5028667B1 (de)
HU911222D0 (en) Process for producing macromolecular polymers being biologically decomposable and for producing pharmaceutical preparatives containing said compounds
NO984923L (no) Sure polymelkesyrepolymerer
DE69806262T2 (de) Modifizierte polyhydroxyalkanoate zur herstellung von überzügen und filmen
EP1947145A3 (de) Mischungen aus biologisch abbaubaren Polyestern und daraus hergestellte Produkte
ATE148902T1 (de) Verfahren zur herstellung von polymilchsäure
ATE279462T1 (de) Verbessertes verfahren zur herstellung hochmolekularer polyester
ATE162205T1 (de) Verfahren zur herstellung von polysuccinimidpolymeren
DE69713477D1 (de) Verfahren zur Herstellung von Polyhydroxycarbonsäure
DE69923795D1 (de) Verfahren zur Herstellung biologisch-abbaubarer Polyester
BR9005352A (pt) Processo para a preparacao de uma mistura de poliester,produto obtido,processo para a preparacao de composicoes plasticas,composicoes plasticas e objetos plasticos
ATE213751T1 (de) Verfahren zur herstellung von polyhydroxycarbonsäure
DE59908999D1 (de) Verfahren zur Herstellung von Polyesterpolyolen
DE69406814T2 (de) Verfahren zur Herstellung resorbierbarem Polymer
DE69428829D1 (de) Verfahren zur Herstellung von thermoplastischen Polyestern mit hoher Schmelzstabilität
DE69611513D1 (de) Verfahren zur herstellung von polyhydroxycarbonsäure
DE59406120D1 (de) Verfahren zur Herstellung hochmolekularer Polyester
EP0934976A3 (de) Bioabbaubare Formmasse
KR960014203A (ko) 폴리에스테르 수지의 제조 방법

Legal Events

Date Code Title Description
8339 Ceased/non-payment of the annual fee