PT90922A - Processo de preparacao de poliamidas biodegradaveis - Google Patents

Processo de preparacao de poliamidas biodegradaveis

Info

Publication number
PT90922A
PT90922A PT90922A PT9092289A PT90922A PT 90922 A PT90922 A PT 90922A PT 90922 A PT90922 A PT 90922A PT 9092289 A PT9092289 A PT 9092289A PT 90922 A PT90922 A PT 90922A
Authority
PT
Portugal
Prior art keywords
polyamides
biodegradable
preparation
relates
solar
Prior art date
Application number
PT90922A
Other languages
English (en)
Other versions
PT90922B (pt
Inventor
Cesare Guaita
Gianluigi Semeghini
Original Assignee
Snia Tecnopolimeri
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 Snia Tecnopolimeri filed Critical Snia Tecnopolimeri
Publication of PT90922A publication Critical patent/PT90922A/pt
Publication of PT90922B publication Critical patent/PT90922B/pt

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
    • C08G69/00—Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
    • C08G69/02—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids
    • C08G69/26—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids derived from polyamines and polycarboxylic acids
    • C08G69/265—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids derived from polyamines and polycarboxylic acids from at least two different diamines or at least two different dicarboxylic 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
    • C08G69/00—Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
    • C08G69/02—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2913—Rod, strand, filament or fiber

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polyamides (AREA)
  • Biological Depolymerization Polymers (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Materials For Medical Uses (AREA)
PT90922A 1988-06-20 1989-06-20 Processo de preparacao de poliamidas biodegradaveis PT90922B (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT21046/88A IT1217873B (it) 1988-06-20 1988-06-20 Poliammide biodegradabile pellicole e prodotti ottenuti da detta poliammide e procedimento per la sua preparazione

Publications (2)

Publication Number Publication Date
PT90922A true PT90922A (pt) 1989-12-29
PT90922B PT90922B (pt) 1994-11-30

Family

ID=11175910

Family Applications (1)

Application Number Title Priority Date Filing Date
PT90922A PT90922B (pt) 1988-06-20 1989-06-20 Processo de preparacao de poliamidas biodegradaveis

Country Status (12)

Country Link
US (1) US5140095A (pt)
EP (1) EP0347687B1 (pt)
JP (1) JP2777243B2 (pt)
AT (1) ATE127490T1 (pt)
AU (1) AU3755489A (pt)
DE (1) DE68924103T2 (pt)
ES (1) ES2078902T3 (pt)
GR (1) GR3018223T3 (pt)
IL (1) IL90617A0 (pt)
IT (1) IT1217873B (pt)
PT (1) PT90922B (pt)
WO (1) WO1989012656A1 (pt)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4029327A1 (de) * 1990-09-15 1992-03-19 Bayer Ag Polyamidmassen fuer verpackungsmaterialien und ihre verwendung
CA2090201A1 (en) * 1992-03-06 1993-09-07 Norman L. Holy Degradable polyamides
US6764603B2 (en) 1992-08-07 2004-07-20 Akzo Nobel Nv Material for extracting hydrophobic components dissolved in water
US20080026171A1 (en) * 2006-07-28 2008-01-31 Alcan Packaging Flexible France Coextruded film with polylactic acid (PLA) and Ethylene Vinyl Acetate (EVA)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2279752A (en) * 1939-09-25 1942-04-14 Du Pont Polymeric material
US4042568A (en) * 1970-04-27 1977-08-16 James Edwin Guillet Photodegradable polyamide compositions
US4145516A (en) * 1970-04-27 1979-03-20 The Governing Council Of The University Of Toronto Photodegradable polyurethane compositions
US3878169A (en) * 1971-04-19 1975-04-15 James Edwin Guillet Photodegradable polyesters prepared from ketonic dicarboxylic acids
DE2316697A1 (de) * 1972-04-07 1973-10-11 Leer Koninklijke Emballage Durch einwirken von ultravioletter bestrahlung photozersetzbare polymersubstanz
JPS5216125B2 (pt) * 1972-09-13 1977-05-07
US4950735A (en) * 1988-07-26 1990-08-21 Sharpoint L.P. Biodegradable polyamides

Also Published As

Publication number Publication date
ES2078902T3 (es) 1996-01-01
ATE127490T1 (de) 1995-09-15
EP0347687B1 (en) 1995-09-06
PT90922B (pt) 1994-11-30
GR3018223T3 (en) 1996-02-29
JP2777243B2 (ja) 1998-07-16
DE68924103T2 (de) 1997-04-03
DE68924103D1 (de) 1995-10-12
IL90617A0 (en) 1990-01-18
AU3755489A (en) 1990-01-12
JPH03505228A (ja) 1991-11-14
WO1989012656A1 (en) 1989-12-28
IT8821046A0 (it) 1988-06-20
EP0347687A1 (en) 1989-12-27
IT1217873B (it) 1990-03-30
US5140095A (en) 1992-08-18

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Legal Events

Date Code Title Description
FG3A Patent granted, date of granting

Effective date: 19940518

MM3A Annulment or lapse

Free format text: LAPSE DUE TO NON-PAYMENT OF FEES

Effective date: 19951130