GB2315453B - Biodegradable moulded article - Google Patents

Biodegradable moulded article

Info

Publication number
GB2315453B
GB2315453B GB9719393A GB9719393A GB2315453B GB 2315453 B GB2315453 B GB 2315453B GB 9719393 A GB9719393 A GB 9719393A GB 9719393 A GB9719393 A GB 9719393A GB 2315453 B GB2315453 B GB 2315453B
Authority
GB
United Kingdom
Prior art keywords
moulded article
biodegradable moulded
biodegradable
article
moulded
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
GB9719393A
Other versions
GB2315453A (en
GB9719393D0 (en
Inventor
Takafumi Hashitani
Shozo Fujita
Makoto Iijima
Koji Asano
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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
Priority claimed from JP33249393A external-priority patent/JP3377844B2/en
Priority claimed from JP33607093A external-priority patent/JPH07196903A/en
Application filed by Fujitsu Ltd filed Critical Fujitsu Ltd
Priority claimed from GB9410667A external-priority patent/GB2281709B/en
Publication of GB9719393D0 publication Critical patent/GB9719393D0/en
Publication of GB2315453A publication Critical patent/GB2315453A/en
Application granted granted Critical
Publication of GB2315453B publication Critical patent/GB2315453B/en
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
    • 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
    • B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09B—DISPOSAL OF SOLID WASTE
    • B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
    • 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
    • B29C67/00—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00
    • B29C67/24—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00 characterised by the choice of material
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • 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
    • B29K2067/00—Use of polyesters or derivatives thereof, as moulding material
    • B29K2067/04—Polyesters derived from hydroxycarboxylic acids
    • B29K2067/043—PGA, i.e. polyglycolic acid or polyglycolide
    • 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
    • B29K2067/00—Use of polyesters or derivatives thereof, as moulding material
    • B29K2067/04—Polyesters derived from hydroxycarboxylic acids
    • B29K2067/046—PLA, i.e. polylactic acid or polylactide
    • 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
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/0005—Condition, form or state of moulded material or of the material to be shaped containing compounding ingredients
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Biological Depolymerization Polymers (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
GB9719393A 1993-09-14 1994-05-27 Biodegradable moulded article Expired - Fee Related GB2315453B (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP22926593 1993-09-14
JP33249393A JP3377844B2 (en) 1993-09-14 1993-12-27 Electric circuit board
JP33607093A JPH07196903A (en) 1993-12-28 1993-12-28 Molded article of biodegradable resin
GB9410667A GB2281709B (en) 1993-09-14 1994-05-27 Biodegradable resin moulded article

Publications (3)

Publication Number Publication Date
GB9719393D0 GB9719393D0 (en) 1997-11-12
GB2315453A GB2315453A (en) 1998-02-04
GB2315453B true GB2315453B (en) 1998-04-08

Family

ID=27451165

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9719393A Expired - Fee Related GB2315453B (en) 1993-09-14 1994-05-27 Biodegradable moulded article

Country Status (1)

Country Link
GB (1) GB2315453B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW200404859A (en) 2002-09-06 2004-04-01 Mitsubishi Plastics Inc Flame-retardant resin composition and flame-retardant injection molding
JP2006089643A (en) * 2004-09-24 2006-04-06 Mitsubishi Plastics Ind Ltd Resin composition and molded body thereof
WO2013144420A1 (en) * 2012-03-29 2013-10-03 Upm-Kymmene Corporation A biodegradable circuit board
CN103551360B (en) * 2013-10-22 2016-01-13 王广升 A kind of biological treatment method for waste residue in antibiotic production
WO2015137922A1 (en) * 2014-03-11 2015-09-17 Empire Technology Development Llc Biodegradable printed circuit boards

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3901838A (en) * 1972-07-28 1975-08-26 Union Carbide Corp Environmentally degradable biodegradable blends of a dialkanoyl polymer and an environmentally degradable ethylene polymer
US3932319A (en) * 1972-07-28 1976-01-13 Union Carbide Corporation Blends of biodegradable thermoplastic dialkanoyl polymer, a naturally occurring biodegradable product, a plastic additive and a filler
GB1487050A (en) * 1974-11-26 1977-09-28 Coloroll Ltd Synthetic-resin-based compositions
EP0450777A2 (en) * 1990-04-06 1991-10-09 Director-General Of The Agency Of Industrial Science And Technology Biodegradable plastics composition
GB2246355A (en) * 1990-06-29 1992-01-29 Agency Ind Science Techn Biodegradable composition,shaped article obtained therefrom and method of producing biodegradable material
JPH0539412A (en) * 1991-08-02 1993-02-19 Calp Corp Degradable resin composition
WO1993005668A2 (en) * 1991-09-19 1993-04-01 David Aung Moulding composition comprising flour, starch and water, process for preparing the same and shaped articles therefrom

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3901838A (en) * 1972-07-28 1975-08-26 Union Carbide Corp Environmentally degradable biodegradable blends of a dialkanoyl polymer and an environmentally degradable ethylene polymer
US3932319A (en) * 1972-07-28 1976-01-13 Union Carbide Corporation Blends of biodegradable thermoplastic dialkanoyl polymer, a naturally occurring biodegradable product, a plastic additive and a filler
GB1487050A (en) * 1974-11-26 1977-09-28 Coloroll Ltd Synthetic-resin-based compositions
EP0450777A2 (en) * 1990-04-06 1991-10-09 Director-General Of The Agency Of Industrial Science And Technology Biodegradable plastics composition
GB2246355A (en) * 1990-06-29 1992-01-29 Agency Ind Science Techn Biodegradable composition,shaped article obtained therefrom and method of producing biodegradable material
JPH0539412A (en) * 1991-08-02 1993-02-19 Calp Corp Degradable resin composition
WO1993005668A2 (en) * 1991-09-19 1993-04-01 David Aung Moulding composition comprising flour, starch and water, process for preparing the same and shaped articles therefrom

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
WPI Abstract Accession No.93-096870/12 & JP 05 039 412 A *

Also Published As

Publication number Publication date
GB2315453A (en) 1998-02-04
GB9719393D0 (en) 1997-11-12

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20050527