CA2051639A1 - Stabilisation de melanges de polyurethane et de ptfe poreux expanse - Google Patents
Stabilisation de melanges de polyurethane et de ptfe poreux expanseInfo
- Publication number
- CA2051639A1 CA2051639A1 CA2051639A CA2051639A CA2051639A1 CA 2051639 A1 CA2051639 A1 CA 2051639A1 CA 2051639 A CA2051639 A CA 2051639A CA 2051639 A CA2051639 A CA 2051639A CA 2051639 A1 CA2051639 A1 CA 2051639A1
- Authority
- CA
- Canada
- Prior art keywords
- polyurethane
- stabilisation
- expanded ptfe
- porous expanded
- ptfe composites
- 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.)
- Granted
Links
- 239000002131 composite material Substances 0.000 title abstract 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 title abstract 2
- 229920002635 polyurethane Polymers 0.000 title abstract 2
- 239000004814 polyurethane Substances 0.000 title abstract 2
- 230000006641 stabilisation Effects 0.000 title 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 abstract 1
- 238000000576 coating method Methods 0.000 abstract 1
- 230000005865 ionizing radiation Effects 0.000 abstract 1
- -1 polytetrafluoroethylene Polymers 0.000 abstract 1
- 239000004810 polytetrafluoroethylene Substances 0.000 abstract 1
Classifications
-
- 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
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/36—After-treatment
- C08J9/40—Impregnation
- C08J9/42—Impregnation with macromolecular compounds
-
- 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
- A61L31/00—Materials for other surgical articles, e.g. stents, stent-grafts, shunts, surgical drapes, guide wires, materials for adhesion prevention, occluding devices, surgical gloves, tissue fixation devices
- A61L31/04—Macromolecular materials
- A61L31/041—Mixtures of macromolecular compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/13—Phenols; Phenolates
-
- 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
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B46/00—Surgical drapes
-
- 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
- C08J2327/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers
- C08J2327/02—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment
- C08J2327/12—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
- C08J2327/18—Homopolymers or copolymers of tetrafluoroethylene
-
- 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
- C08J2475/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
-
- 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
- Y10T428/249921—Web or sheet containing structurally defined element or component
- Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
- Y10T428/249978—Voids specified as micro
-
- 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
- Y10T428/249921—Web or sheet containing structurally defined element or component
- Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
- Y10T428/249978—Voids specified as micro
- Y10T428/249979—Specified thickness of void-containing component [absolute or relative] or numerical cell dimension
-
- 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
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/3154—Of fluorinated addition polymer from unsaturated monomers
- Y10T428/31544—Addition polymer is perhalogenated
-
- 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
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31551—Of polyamidoester [polyurethane, polyisocyanate, polycarbamate, etc.]
- Y10T428/31573—Next to addition polymer of ethylenically unsaturated monomer
- Y10T428/3158—Halide monomer type [polyvinyl chloride, etc.]
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Engineering & Computer Science (AREA)
- Polymers & Plastics (AREA)
- Medicinal Chemistry (AREA)
- Surgery (AREA)
- Epidemiology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Vascular Medicine (AREA)
- Wood Science & Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Laminated Bodies (AREA)
- Coating Of Shaped Articles Made Of Macromolecular Substances (AREA)
Abstract
Des revêtements composites en polyuréthane/polytétrafluoroéthylène poreux expansé présentent une résistance étonnamment élevée au rayonnement ionisant, lorsqu'ils contiennent un phénol entravé.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/435,642 US4963416A (en) | 1989-11-13 | 1989-11-13 | Method to reduce the damage caused by ionizing radiation to polyurethane/porous expanded polytetrafluroethylene composites by use of hindered phenols |
US435,642 | 1989-11-13 |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2051639A1 true CA2051639A1 (fr) | 1991-05-14 |
CA2051639C CA2051639C (fr) | 1999-02-23 |
Family
ID=23729207
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002051639A Expired - Lifetime CA2051639C (fr) | 1989-11-13 | 1990-11-09 | Stabilisation de melanges de polyurethane et de ptfe poreux expanse |
Country Status (6)
Country | Link |
---|---|
US (1) | US4963416A (fr) |
EP (1) | EP0487653B1 (fr) |
JP (1) | JPH05504364A (fr) |
CA (1) | CA2051639C (fr) |
DE (1) | DE69011864T2 (fr) |
WO (1) | WO1991007457A2 (fr) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE9602879D0 (sv) | 1996-07-26 | 1996-07-26 | Henrich Cheng | Medical device |
DE10347663A1 (de) * | 2003-10-09 | 2005-05-04 | Basf Ag | Thermoplastische Kunststoffe, insbesondere thermoplastisches Polyurethan enthaltend Weichmacher |
JP6106862B2 (ja) * | 2013-07-03 | 2017-04-05 | ユニチカトレーディング株式会社 | 洗濯耐久性に優れたウイルスバリア性積層布帛 |
US11845248B2 (en) | 2020-02-14 | 2023-12-19 | Donaldson Company, Inc. | Expanded polytetrafluoroethylene composite |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4344999A (en) * | 1980-04-22 | 1982-08-17 | W. L. Gore & Associates, Inc. | Breathable laminate |
JPS5953786A (ja) * | 1982-09-17 | 1984-03-28 | カネボウ株式会社 | 透湿性防水布 |
US4443511A (en) * | 1982-11-19 | 1984-04-17 | W. L. Gore & Associates, Inc. | Elastomeric waterproof laminate |
US4636424A (en) * | 1984-01-23 | 1987-01-13 | Unitika Ltd. | Moisture-permeable waterproof laminated fabric and process for producing the same |
US4532316A (en) * | 1984-05-29 | 1985-07-30 | W. L. Gore & Assoc., Inc. | Phase separating polyurethane prepolymers and elastomers prepared by reacting a polyol having a molecular weight of 600-3500 and isocyanate and a low molecular weight chain extender in which the ratios of reactants have a limited range |
JPH0627216B2 (ja) * | 1984-12-11 | 1994-04-13 | ジャパンゴアテックス株式会社 | 伸縮性をもった衣料用透湿防水性フィルム |
FR2595365B1 (fr) * | 1986-03-04 | 1988-07-08 | Centre Nat Rech Scient | Composition de revetement photodurcissable contenant un absorbeur uv pour la protection contre le vieillissement du poly(chlorure de vinyle) et poly(chlorure de vinyle) ainsi protege |
US4814412A (en) * | 1987-12-17 | 1989-03-21 | W. L. Gore & Associates, Inc. | Two component polyurethane system for casting expanded polytetrafluoroethylene |
US4961985A (en) * | 1988-07-06 | 1990-10-09 | W. L. Gore & Associates, Inc. | Fabrics for protective clothing |
-
1989
- 1989-11-13 US US07/435,642 patent/US4963416A/en not_active Expired - Lifetime
-
1990
- 1990-11-09 WO PCT/US1990/006576 patent/WO1991007457A2/fr active IP Right Grant
- 1990-11-09 DE DE69011864T patent/DE69011864T2/de not_active Expired - Lifetime
- 1990-11-09 EP EP91900496A patent/EP0487653B1/fr not_active Expired - Lifetime
- 1990-11-09 JP JP3501057A patent/JPH05504364A/ja active Granted
- 1990-11-09 CA CA002051639A patent/CA2051639C/fr not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0487653A1 (fr) | 1992-06-03 |
DE69011864T2 (de) | 1994-12-15 |
DE69011864D1 (de) | 1994-09-29 |
WO1991007457A3 (fr) | 1991-06-27 |
CA2051639C (fr) | 1999-02-23 |
EP0487653B1 (fr) | 1994-08-24 |
JPH05504364A (ja) | 1993-07-08 |
WO1991007457A2 (fr) | 1991-05-30 |
US4963416A (en) | 1990-10-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKEX | Expiry |