BR9916117A - Thermoplastic molded bodies, biodegradable, exhibiting improved stability with respect to hydrolysis and improved resistance to stress cracking - Google Patents

Thermoplastic molded bodies, biodegradable, exhibiting improved stability with respect to hydrolysis and improved resistance to stress cracking

Info

Publication number
BR9916117A
BR9916117A BR9916117-6A BR9916117A BR9916117A BR 9916117 A BR9916117 A BR 9916117A BR 9916117 A BR9916117 A BR 9916117A BR 9916117 A BR9916117 A BR 9916117A
Authority
BR
Brazil
Prior art keywords
hydrolysis
biodegradable
respect
improved
stress cracking
Prior art date
Application number
BR9916117-6A
Other languages
Portuguese (pt)
Inventor
Michael Kleemiss
Annett Kaeding
Gunter Weber
Heiko Tamke
Original Assignee
Wolff Walsrode Ag
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
Priority claimed from DE19951021A external-priority patent/DE19951021A1/en
Application filed by Wolff Walsrode Ag filed Critical Wolff Walsrode Ag
Publication of BR9916117A publication Critical patent/BR9916117A/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L77/00—Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
    • C08L77/12—Polyester-amides
    • 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
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40—High-molecular-weight compounds
    • C08G18/42—Polycondensates having carboxylic or carbonic ester groups in the main chain
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L101/00—Compositions of unspecified macromolecular 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
    • C08L67/02—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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L69/00—Compositions of polycarbonates; Compositions of derivatives of polycarbonates
    • C08L69/005—Polyester-carbonates
    • 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
    • C08G2230/00—Compositions for preparing biodegradable polymers

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Laminated Bodies (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Bag Frames (AREA)
  • Wrappers (AREA)
  • Food Preservation Except Freezing, Refrigeration, And Drying (AREA)
  • Biological Depolymerization Polymers (AREA)

Abstract

Patente de Invenção: <B>"CORPOS MOLDADOS TERMOPLáSTICOS, BIODEGRADáVEIS, EXIBINDO UMA ESTABILIDADE MELHORADA COM RESPEITO à HIDRóLISE E UMA RESISTêNCIA MELHORADA à RACHADURA POR TENSãO"<D>. A invenção refere-se a corpos modelados termoplásticos, biodegradáveis, particularmente películas de camada única ou multicamada, que exibem uma estabilidade melhorada com respeito à hidrólise, um comportamento melhorado de rachamento por tensão, e um comportamento melhorado em relação à biodegradação. Os corpos modelados termoplásticos da presente invenção consistem em uma mistura compreendida por pelo menos dois polímeros biodegradáveis diferentes.Invention Patent: <B> "THERMOPLASTIC, BIODEGRADABLE MOLDED BODIES, EXHIBITING IMPROVED STABILITY WITH RESPECT TO HYDROLYSIS AND IMPROVED RESISTANCE TO TENSION CRACKING" <D>. The invention relates to thermoplastic, biodegradable shaped bodies, particularly single-layer or multilayer films, which exhibit improved stability with respect to hydrolysis, improved stress cracking behavior, and improved biodegradation behavior. The thermoplastic shaped bodies of the present invention consist of a mixture comprised of at least two different biodegradable polymers.

BR9916117-6A 1998-12-15 1999-12-06 Thermoplastic molded bodies, biodegradable, exhibiting improved stability with respect to hydrolysis and improved resistance to stress cracking BR9916117A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19857655 1998-12-15
DE19951021A DE19951021A1 (en) 1998-12-15 1999-10-22 Biodegradable, thermoplastic moldings with improved hydrolysis stability and stress crack resistance
PCT/EP1999/009526 WO2000036014A2 (en) 1998-12-15 1999-12-06 Biodegradable, thermoplastic shaped bodies exhibiting an improved stability with regard to hydrolysis and an improved resistance to stress cracking

Publications (1)

Publication Number Publication Date
BR9916117A true BR9916117A (en) 2001-09-04

Family

ID=26050752

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9916117-6A BR9916117A (en) 1998-12-15 1999-12-06 Thermoplastic molded bodies, biodegradable, exhibiting improved stability with respect to hydrolysis and improved resistance to stress cracking

Country Status (6)

Country Link
EP (1) EP1144507A3 (en)
JP (1) JP2002532603A (en)
AU (1) AU1970900A (en)
BR (1) BR9916117A (en)
CA (1) CA2354514A1 (en)
WO (1) WO2000036014A2 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6573340B1 (en) * 2000-08-23 2003-06-03 Biotec Biologische Naturverpackungen Gmbh & Co. Kg Biodegradable polymer films and sheets suitable for use as laminate coatings as well as wraps and other packaging materials
CN105713356B (en) * 2016-03-07 2017-05-31 杨红梅 A kind of Biodegradable polyester composition
CN105585824A (en) * 2016-03-07 2016-05-18 金发科技股份有限公司 Biodegradable polyester composition

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5227415A (en) * 1990-04-06 1993-07-13 Director-General Of Agency Of Industrial Science And Technology Biodegradable plastic composition
NZ240214A (en) * 1990-10-16 1993-02-25 Takeda Chemical Industries Ltd Polymer compositions comprising a polylactic acid and a copolymer of glycolic acid and a hydroxycarboxylic acid; use as carrier for prolonged release pharmaceutical compositions of water soluble drugs
US5320624A (en) * 1991-02-12 1994-06-14 United States Surgical Corporation Blends of glycolide and/or lactide polymers and caprolactone and/or trimethylene carbonate polymers and absorbable surgical devices made therefrom
US5480962A (en) * 1993-07-22 1996-01-02 Eastman Chemical Company Copolyesters having repeat units derived from succinic acid
DE4327024A1 (en) * 1993-08-12 1995-02-16 Bayer Ag Thermoplastically processable and biodegradable aliphatic polyesteramides
DE4432161A1 (en) * 1994-09-09 1996-03-14 Biotechnolog Forschung Gmbh Naturally biodegradable polyester compsns.
JP2882756B2 (en) * 1994-10-12 1999-04-12 昭和高分子株式会社 Stretched hollow molded article comprising an aliphatic polyester composition
US5786408A (en) * 1995-06-22 1998-07-28 Daicel Chemical Industries, Ltd. Biodegradable polyester resin composition, and a biodegradable molded article
WO1997034953A1 (en) * 1996-03-19 1997-09-25 The Procter & Gamble Company Biodegradable polymeric compositions and products thereof
DE19638488A1 (en) * 1996-09-20 1998-03-26 Basf Ag Biodegradable polyester
EP0950079A1 (en) * 1996-12-31 1999-10-20 The Dow Chemical Company Polyester blends

Also Published As

Publication number Publication date
JP2002532603A (en) 2002-10-02
EP1144507A2 (en) 2001-10-17
WO2000036014A3 (en) 2001-11-29
AU1970900A (en) 2000-07-03
EP1144507A3 (en) 2002-01-30
WO2000036014A2 (en) 2000-06-22
CA2354514A1 (en) 2000-06-22

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Legal Events

Date Code Title Description
B11A Dismissal acc. art.33 of ipl - examination not requested within 36 months of filing
B11Y Definitive dismissal - extension of time limit for request of examination expired [chapter 11.1.1 patent gazette]