AU2234692A - Water and uv degradable lactic acid polymers - Google Patents

Water and uv degradable lactic acid polymers

Info

Publication number
AU2234692A
AU2234692A AU22346/92A AU2234692A AU2234692A AU 2234692 A AU2234692 A AU 2234692A AU 22346/92 A AU22346/92 A AU 22346/92A AU 2234692 A AU2234692 A AU 2234692A AU 2234692 A AU2234692 A AU 2234692A
Authority
AU
Australia
Prior art keywords
water
lactic acid
acid polymers
degradable lactic
degradable
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.)
Abandoned
Application number
AU22346/92A
Inventor
Not Given Name
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.)
Arch Development Corp
Original Assignee
Arch Development Corp
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 Arch Development Corp filed Critical Arch Development Corp
Publication of AU2234692A publication Critical patent/AU2234692A/en
Abandoned 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
    • C08G63/66—Polyesters containing oxygen in the form of ether groups
    • C08G63/664—Polyesters containing oxygen in the form of ether groups derived from hydroxy carboxylic 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
    • 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Biological Depolymerization Polymers (AREA)
  • Fertilizers (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Polyesters Or Polycarbonates (AREA)
AU22346/92A 1992-06-05 1992-05-05 Water and uv degradable lactic acid polymers Abandoned AU2234692A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US1992/004684 WO1993025202A1 (en) 1992-06-05 1992-06-05 Water and uv degradable lactic acid polymers

Publications (1)

Publication Number Publication Date
AU2234692A true AU2234692A (en) 1994-01-04

Family

ID=4154792

Family Applications (1)

Application Number Title Priority Date Filing Date
AU22346/92A Abandoned AU2234692A (en) 1992-06-05 1992-05-05 Water and uv degradable lactic acid polymers

Country Status (5)

Country Link
EP (1) EP0697865A1 (en)
JP (1) JPH07507827A (en)
AU (1) AU2234692A (en)
CA (1) CA2137244A1 (en)
WO (1) WO1993025202A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5525671A (en) * 1993-12-28 1996-06-11 Dainippon Ink And Chemicals, Inc. Continuous production process for lactide copolymer
DE60031897T2 (en) 1999-06-18 2007-09-06 Toray Industries, Inc. Polylactic acid resin, fabrics obtained thereby, and processes for producing the same
WO2001085637A2 (en) * 2000-05-09 2001-11-15 Pearl Technology Holdings, Llc Biodegradable fiber optic
JP2005099500A (en) * 2003-09-25 2005-04-14 Harison Toshiba Lighting Corp Resist and lithography method
KR20190138808A (en) * 2017-04-14 2019-12-16 트리아 피티이. 엘티디. Apparatus and method for treating mixed waste
CN111662725A (en) * 2020-06-24 2020-09-15 代彦霞 Repair material for reducing migration state lead ions in soil and preparation method thereof
CN114133293A (en) * 2021-09-08 2022-03-04 新洋丰农业科技股份有限公司 Fertilizer special for peanuts and preparation method thereof

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4033938A (en) * 1974-01-21 1977-07-05 American Cyanamid Company Polymers of unsymmetrically substituted 1,4-dioxane-2,5-diones
US4052988A (en) * 1976-01-12 1977-10-11 Ethicon, Inc. Synthetic absorbable surgical devices of poly-dioxanone
US4272398A (en) * 1978-08-17 1981-06-09 The United States Of America As Represented By The Secretary Of Agriculture Microencapsulation process
US4470416A (en) * 1983-06-17 1984-09-11 Ethicon, Inc. Copolymers of lactide and/or glycolide with 1,5-dioxepan-2-one
GB8416234D0 (en) * 1984-06-26 1984-08-01 Ici Plc Biodegradable amphipathic copolymers
US4767627A (en) * 1985-05-29 1988-08-30 Merck & Co., Inc. Drug delivery device which can be retained in the stomach for a controlled period of time
US4861627A (en) * 1987-05-01 1989-08-29 Massachusetts Institute Of Technology Preparation of multiwall polymeric microcapsules
JPH01163135A (en) * 1987-12-18 1989-06-27 Taki Chem Co Ltd Sustained release base

Also Published As

Publication number Publication date
EP0697865A1 (en) 1996-02-28
JPH07507827A (en) 1995-08-31
CA2137244A1 (en) 1993-12-23
EP0697865A4 (en) 1995-09-27
WO1993025202A1 (en) 1993-12-23

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