DE69918233D1 - Polymilchsäure zusammensetzung und daraus hergestellter film - Google Patents

Polymilchsäure zusammensetzung und daraus hergestellter film

Info

Publication number
DE69918233D1
DE69918233D1 DE69918233T DE69918233T DE69918233D1 DE 69918233 D1 DE69918233 D1 DE 69918233D1 DE 69918233 T DE69918233 T DE 69918233T DE 69918233 T DE69918233 T DE 69918233T DE 69918233 D1 DE69918233 D1 DE 69918233D1
Authority
DE
Germany
Prior art keywords
polymolic
film made
acid composition
acid
composition
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 - Lifetime
Application number
DE69918233T
Other languages
English (en)
Other versions
DE69918233T2 (de
Inventor
Yasunori Yoshida
Shoji Obuchi
Yasuhiro Kitahara
Takayuki Watanabe
Hisashi Aihara
Tomoyuki Nakata
Kazuhiko Suzuki
Masanobu Ajioka
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.)
Mitsui Chemicals Inc
Original Assignee
Mitsui Chemicals Inc
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 Mitsui Chemicals Inc filed Critical Mitsui Chemicals Inc
Publication of DE69918233D1 publication Critical patent/DE69918233D1/de
Application granted granted Critical
Publication of DE69918233T2 publication Critical patent/DE69918233T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/18—Manufacture of films or sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
    • B29C55/28—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of blown tubular films, e.g. by inflation
    • 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
    • C08K5/00—Use of organic ingredients
    • C08K5/0008—Organic ingredients according to more than one of the "one dot" groups of C08K5/01 - C08K5/59
    • C08K5/0016—Plasticisers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
    • C08L67/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
    • C08L67/04—Polyesters derived from hydroxycarboxylic acids, e.g. lactones
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
    • B29K2995/0037—Other properties
    • B29K2995/0059—Degradable
    • B29K2995/006—Bio-degradable, e.g. bioabsorbable, bioresorbable or bioerodible
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2367/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
    • C08J2367/04—Polyesters derived from hydroxy carboxylic acids, e.g. lactones

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Biological Depolymerization Polymers (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
DE69918233T 1998-03-05 1999-03-05 Polymilchsäure zusammensetzung und daraus hergestellter film Expired - Lifetime DE69918233T2 (de)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP5368498 1998-03-05
JP5368598 1998-03-05
JP5368598 1998-03-05
JP5368498 1998-03-05
PCT/JP1999/001074 WO1999045067A1 (en) 1998-03-05 1999-03-05 Polylactic acid composition and film thereof

Publications (2)

Publication Number Publication Date
DE69918233D1 true DE69918233D1 (de) 2004-07-29
DE69918233T2 DE69918233T2 (de) 2005-02-24

Family

ID=26394396

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69918233T Expired - Lifetime DE69918233T2 (de) 1998-03-05 1999-03-05 Polymilchsäure zusammensetzung und daraus hergestellter film

Country Status (5)

Country Link
US (1) US6235825B1 (de)
EP (1) EP0980894B1 (de)
JP (1) JP3753254B2 (de)
DE (1) DE69918233T2 (de)
WO (1) WO1999045067A1 (de)

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EP0980894B1 (de) 2004-06-23
DE69918233T2 (de) 2005-02-24
US6235825B1 (en) 2001-05-22

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