NO910471L - Bionedbrytbare laktidholdige termoplastmaterialer. - Google Patents
Bionedbrytbare laktidholdige termoplastmaterialer.Info
- Publication number
- NO910471L NO910471L NO91910471A NO910471A NO910471L NO 910471 L NO910471 L NO 910471L NO 91910471 A NO91910471 A NO 91910471A NO 910471 A NO910471 A NO 910471A NO 910471 L NO910471 L NO 910471L
- Authority
- NO
- Norway
- Prior art keywords
- lactide
- polymer
- composition
- biodegradable
- psi
- Prior art date
Links
Classifications
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/20—Macromolecular organic compounds
- D21H17/33—Synthetic macromolecular compounds
- D21H17/46—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D21H17/53—Polyethers; Polyesters
-
- 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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
- A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
- A61L15/22—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons containing macromolecular materials
- A61L15/26—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives thereof
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
- A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
- A61L15/42—Use of materials characterised by their function or physical properties
- A61L15/62—Compostable, hydrosoluble or hydrodegradable materials
-
- 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
- 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
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D167/00—Coating compositions based on polyesters obtained by reactions forming a carboxylic ester link in the main chain; Coating compositions based on derivatives of such polymers
- C09D167/04—Polyesters derived from hydroxycarboxylic acids, e.g. lactones
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J167/00—Adhesives based on polyesters obtained by reactions forming a carboxylic ester link in the main chain; Adhesives based on derivatives of such polymers
- C09J167/04—Polyesters derived from hydroxycarboxylic acids, e.g. lactones
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/19—Details relating to the geometry of the reactor
- B01J2219/194—Details relating to the geometry of the reactor round
- B01J2219/1941—Details relating to the geometry of the reactor round circular or disk-shaped
- B01J2219/1942—Details relating to the geometry of the reactor round circular or disk-shaped spherical
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2666/00—Composition of polymers characterized by a further compound in the blend, being organic macromolecular compounds, natural resins, waxes or and bituminous materials, non-macromolecular organic substances, inorganic substances or characterized by their function in the composition
- C08L2666/28—Non-macromolecular organic substances
-
- 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
- C08L67/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
- C08L67/025—Polyesters derived from dicarboxylic acids and dihydroxy compounds containing polyether sequences
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Epidemiology (AREA)
- Hematology (AREA)
- Manufacturing & Machinery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Wood Science & Technology (AREA)
- Biological Depolymerization Polymers (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Polyesters Or Polycarbonates (AREA)
- Resistance Heating (AREA)
- Nitrogen Condensed Heterocyclic Rings (AREA)
Abstract
ionedbrytbare blandinger av L-laktid, D-laktid, meso D,L-laktid og rasemisk D,L-laktid egnet for bøyelige filmer og andre emballasjeformål fremstilles ved polymerisering av L-laktid, D-laktid, D,L-laktid eller blandinger derav under anvendelse av en katalysator ved kontrollerte betingelser slik at polymeren i blandingen kan bli plastisert ved hjelp, av ureagert laktidmonomer. Miljømessig bionedbrytbar polymer, blandinger og fremgangsmåte for en polymer og en blanding. Den bionedbrytbare polymer omfatter polymeriserte melkesyre-enheter med struktur (I), hvori n er et helt tall mellom 75 og 10.000 og alfakarbonatomet er en blanding av L- og D-konfigurasjoner, hvor den uorienterte polymer har en strekk-styrke på minst 350 kg/cmog en tangentmodul på minst 14.000 kg/cm. En ytterligere utførelsesform tilveiebringer en miljømessig nedbrytbar blanding omfattende blandinger av en fysikalsk blanding av polymelkesyre og en polymer valgt fra gruppen bestående av polymerer av etylentereftalat, en polymer eller kopolymer av styren, etylen, propylen, vinylklorid, vinylacetat, alkylmetakrylat, alkylakrylat og fysikalske blandinger derav.
Applications Claiming Priority (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US22993988A | 1988-08-08 | 1988-08-08 | |
US22989488A | 1988-08-08 | 1988-08-08 | |
US22989688A | 1988-08-08 | 1988-08-08 | |
US31739189A | 1989-03-01 | 1989-03-01 | |
US38767089A | 1989-07-31 | 1989-07-31 | |
US38767689A | 1989-07-31 | 1989-07-31 | |
US38684489A | 1989-07-31 | 1989-07-31 | |
US38767889A | 1989-07-31 | 1989-07-31 | |
PCT/US1989/003380 WO1990001521A1 (en) | 1988-08-08 | 1989-08-04 | Degradable thermoplastic from lactides |
Publications (2)
Publication Number | Publication Date |
---|---|
NO910471D0 NO910471D0 (no) | 1991-02-07 |
NO910471L true NO910471L (no) | 1991-04-08 |
Family
ID=27575232
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO91910471A NO910471L (no) | 1988-08-08 | 1991-02-07 | Bionedbrytbare laktidholdige termoplastmaterialer. |
Country Status (10)
Country | Link |
---|---|
EP (1) | EP0428620B1 (no) |
KR (1) | KR900701934A (no) |
AT (1) | ATE177134T1 (no) |
BR (1) | BR8907604A (no) |
DE (1) | DE68928938T2 (no) |
DK (1) | DK50391A (no) |
FI (1) | FI910611A0 (no) |
HU (1) | HUT64576A (no) |
NO (1) | NO910471L (no) |
WO (1) | WO1990001521A1 (no) |
Families Citing this family (101)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5252642A (en) * | 1989-03-01 | 1993-10-12 | Biopak Technology, Ltd. | Degradable impact modified polyactic acid |
US5424346A (en) * | 1988-08-08 | 1995-06-13 | Ecopol, Llc | Biodegradable replacement of crystal polystyrene |
US6323307B1 (en) | 1988-08-08 | 2001-11-27 | Cargill Dow Polymers, Llc | Degradation control of environmentally degradable disposable materials |
US5216050A (en) * | 1988-08-08 | 1993-06-01 | Biopak Technology, Ltd. | Blends of polyactic acid |
US5444113A (en) * | 1988-08-08 | 1995-08-22 | Ecopol, Llc | End use applications of biodegradable polymers |
US5180765A (en) * | 1988-08-08 | 1993-01-19 | Biopak Technology, Ltd. | Biodegradable packaging thermoplastics from lactides |
US6027677A (en) * | 1988-08-08 | 2000-02-22 | Chronopol, Inc. | Films containing poly(hydroxy acid)s |
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US5227415A (en) * | 1990-04-06 | 1993-07-13 | Director-General Of Agency Of Industrial Science And Technology | Biodegradable plastic composition |
US5091544A (en) * | 1990-05-08 | 1992-02-25 | E. I. Du Pont De Nemours And Company | Process for rapid conversion of oligomers to cyclic esters |
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---|---|---|---|---|
US2703316A (en) * | 1951-06-05 | 1955-03-01 | Du Pont | Polymers of high melting lactide |
CA1256638A (en) * | 1984-07-06 | 1989-06-27 | Motoaki Tanaka | Polymer and its production |
JP2551756B2 (ja) * | 1985-05-07 | 1996-11-06 | 武田薬品工業株式会社 | ポリオキシカルボン酸エステルおよびその製造法 |
-
1989
- 1989-08-04 AT AT89910376T patent/ATE177134T1/de not_active IP Right Cessation
- 1989-08-04 EP EP89910376A patent/EP0428620B1/en not_active Expired - Lifetime
- 1989-08-04 DE DE68928938T patent/DE68928938T2/de not_active Expired - Fee Related
- 1989-08-04 WO PCT/US1989/003380 patent/WO1990001521A1/en active IP Right Grant
- 1989-08-04 BR BR898907604A patent/BR8907604A/pt not_active IP Right Cessation
- 1989-08-04 HU HU895791A patent/HUT64576A/hu unknown
- 1989-08-04 KR KR1019900700727A patent/KR900701934A/ko not_active Application Discontinuation
-
1991
- 1991-02-07 NO NO91910471A patent/NO910471L/no unknown
- 1991-02-08 FI FI910611A patent/FI910611A0/fi not_active Application Discontinuation
- 1991-03-20 DK DK050391A patent/DK50391A/da not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
NO910471D0 (no) | 1991-02-07 |
HUT64576A (en) | 1994-01-28 |
HU895791D0 (en) | 1992-07-28 |
ATE177134T1 (de) | 1999-03-15 |
DK50391D0 (da) | 1991-03-20 |
KR900701934A (ko) | 1990-12-05 |
EP0428620B1 (en) | 1999-03-03 |
EP0428620A1 (en) | 1991-05-29 |
DE68928938D1 (de) | 1999-04-08 |
DE68928938T2 (de) | 1999-09-30 |
WO1990001521A1 (en) | 1990-02-22 |
BR8907604A (pt) | 1991-07-30 |
FI910611A0 (fi) | 1991-02-08 |
DK50391A (da) | 1991-03-20 |
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