IT1075573B - Schiuma di poliuretano idrofilo,procedimento per la preparazione di schiuma di poliuretano e prodotto idrofilo a base di questa schiuma - Google Patents
Schiuma di poliuretano idrofilo,procedimento per la preparazione di schiuma di poliuretano e prodotto idrofilo a base di questa schiumaInfo
- Publication number
- IT1075573B IT1075573B IT2117577A IT2117577A IT1075573B IT 1075573 B IT1075573 B IT 1075573B IT 2117577 A IT2117577 A IT 2117577A IT 2117577 A IT2117577 A IT 2117577A IT 1075573 B IT1075573 B IT 1075573B
- Authority
- IT
- Italy
- Prior art keywords
- hydrophilic
- foam
- polyurethane foam
- procedure
- preparation
- Prior art date
Links
Classifications
-
- 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
- A61L15/425—Porous materials, e.g. foams or sponges
-
- 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
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/08—Processes
- C08G18/16—Catalysts
- C08G18/161—Catalysts containing two or more components to be covered by at least two of the groups C08G18/166, C08G18/18 or C08G18/22
- C08G18/163—Catalysts containing two or more components to be covered by at least two of the groups C08G18/166, C08G18/18 or C08G18/22 covered by C08G18/18 and C08G18/22
-
- 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
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/48—Polyethers
- C08G18/4833—Polyethers containing oxyethylene units
-
- 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
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/73—Polyisocyanates or polyisothiocyanates acyclic
-
- 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
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
- C08G18/75—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic
- C08G18/751—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing only one cycloaliphatic ring
- C08G18/752—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing only one cycloaliphatic ring containing at least one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group
- C08G18/753—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing only one cycloaliphatic ring containing at least one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group containing one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group having a primary carbon atom next to the isocyanate or isothiocyanate group
- C08G18/755—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing only one cycloaliphatic ring containing at least one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group containing one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group having a primary carbon atom next to the isocyanate or isothiocyanate group and at least one isocyanate or isothiocyanate group linked to a secondary carbon atom of the cycloaliphatic ring, e.g. isophorone diisocyanate
-
- 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
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
- C08G18/75—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic
- C08G18/758—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing two or more cycloaliphatic rings
-
- 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
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
- C08G18/76—Polyisocyanates or polyisothiocyanates cyclic aromatic
- C08G18/7614—Polyisocyanates or polyisothiocyanates cyclic aromatic containing only one aromatic ring
- C08G18/7628—Polyisocyanates or polyisothiocyanates cyclic aromatic containing only one aromatic ring containing at least one isocyanate or isothiocyanate group linked to the aromatic ring by means of an aliphatic group
- C08G18/7642—Polyisocyanates or polyisothiocyanates cyclic aromatic containing only one aromatic ring containing at least one isocyanate or isothiocyanate group linked to the aromatic ring by means of an aliphatic group containing at least two isocyanate or isothiocyanate groups linked to the aromatic ring by means of an aliphatic group having a primary carbon atom next to the isocyanate or isothiocyanate groups, e.g. xylylene diisocyanate or homologues substituted on the aromatic ring
-
- 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
- C08G2110/00—Foam properties
- C08G2110/0008—Foam properties flexible
-
- 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
- C08G2110/00—Foam properties
- C08G2110/0041—Foam properties having specified density
- C08G2110/005—< 50kg/m3
-
- 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
- C08G2110/00—Foam properties
- C08G2110/0083—Foam properties prepared using water as the sole blowing agent
-
- 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
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S521/00—Synthetic resins or natural rubbers -- part of the class 520 series
- Y10S521/905—Hydrophilic or hydrophobic cellular product
-
- 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.]
- Y10T428/249987—With nonvoid component of specified composition
- Y10T428/249988—Of about the same composition as, and adjacent to, the void-containing component
- Y10T428/249989—Integrally formed skin
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Hematology (AREA)
- Dispersion Chemistry (AREA)
- Materials Engineering (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Polyurethanes Or Polyureas (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
LU74539A LU74539A1 (it) | 1976-03-12 | 1976-03-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1075573B true IT1075573B (it) | 1985-04-22 |
Family
ID=19728182
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT2117577A IT1075573B (it) | 1976-03-12 | 1977-03-14 | Schiuma di poliuretano idrofilo,procedimento per la preparazione di schiuma di poliuretano e prodotto idrofilo a base di questa schiuma |
Country Status (9)
Country | Link |
---|---|
US (1) | US4191815A (it) |
JP (1) | JPS52128994A (it) |
DE (1) | DE2710815A1 (it) |
FR (1) | FR2343765A1 (it) |
GB (1) | GB1571730A (it) |
IT (1) | IT1075573B (it) |
LU (1) | LU74539A1 (it) |
NL (1) | NL7702678A (it) |
SE (1) | SE7702424L (it) |
Families Citing this family (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4383079A (en) * | 1981-04-09 | 1983-05-10 | Minnesota Mining And Manufacturing Company | Extension of polyurethane hydrogel cure time |
JPS58163415U (ja) * | 1982-04-27 | 1983-10-31 | 池本 滋 | トレ− |
US4521548A (en) * | 1983-04-12 | 1985-06-04 | The Dow Chemical Company | Preparation of polyether polyols |
GB8606988D0 (en) * | 1986-03-20 | 1986-04-23 | Smith & Nephew Ass | Foams |
GB2188055B (en) * | 1986-03-20 | 1989-12-28 | Smith & Nephew Ass | Hydrophilic polyurethane foams |
US5198521A (en) * | 1988-08-29 | 1993-03-30 | Armstrong World Industries, Inc. | Conductive polyurethane-urea/polyethylene oxide polymer |
GB9102660D0 (en) * | 1991-02-07 | 1991-03-27 | Ultra Lab Ltd | Wound dressing materials |
US5447965A (en) * | 1993-06-02 | 1995-09-05 | Imperial Chemical Industries Plc | Method for the preparation of flexible polymeric foams |
GB9311345D0 (en) * | 1993-06-02 | 1993-07-21 | Ici Plc | Method for the preparation of flexible polymeric foams |
WO1996015748A2 (en) * | 1994-11-23 | 1996-05-30 | Kimberly-Clark Worldwide, Inc. | Absorbent article having a composite absorbent core |
US5650450A (en) * | 1996-01-25 | 1997-07-22 | Foamex L.P. | Hydrophilic urethane foam |
DE19618825A1 (de) * | 1996-05-10 | 1997-11-13 | Bayer Ag | Hydrophile, selbstklebende Polyurethan-Gelmassen |
GB9712317D0 (en) * | 1997-06-13 | 1997-08-13 | Zeneca Ltd | Composition, compound and use |
US20030147925A1 (en) * | 1998-09-11 | 2003-08-07 | Samuel P. Sawan | Topical dermal antimicrobial compositions, methods for generating same, and monitoring methods utilizing same |
US8258198B2 (en) | 2004-05-28 | 2012-09-04 | Air Products And Chemicals, Inc. | Fast demold/extended cream time polyurethane formulations |
US20050267227A1 (en) * | 2004-05-28 | 2005-12-01 | Andrew Gary D | Fast demold/extended cream time polyurethane formulations |
EP2143744A1 (de) * | 2008-07-09 | 2010-01-13 | Bayer MaterialScience AG | Hydrophile, aliphatische Polyurethan-Schäume |
WO2011006608A1 (de) * | 2009-07-15 | 2011-01-20 | Bayer Materialscience Ag | Verfahren zur herstellung von flächigen, hydrophilen, aliphatischen polyurethan-schäumen |
EP2289959A1 (de) | 2009-08-29 | 2011-03-02 | Bayer Material Science AG | Hydrophile, aliphatische Polyurethan-Schäume |
EP2336211A1 (de) | 2009-12-12 | 2011-06-22 | Bayer MaterialScience AG | Hydrophile, aliphatische Polyurethan-Schäume |
US8946315B2 (en) | 2010-01-11 | 2015-02-03 | Bayer Intellectual Property Gmbh | Hydrophilic aliphatic polyurethane foams |
CN103003327B (zh) * | 2010-07-09 | 2015-04-22 | 气体产品与化学公司 | 用于提高聚氨酯泡沫性能的添加剂 |
CN103221074B (zh) | 2010-10-27 | 2016-07-20 | 科思创德国股份有限公司 | 亲水性脂族聚氨酯泡沫 |
US10106638B2 (en) * | 2011-07-29 | 2018-10-23 | Evonik Degussa Gmbh | Reduced emissions low density spray polyurethane foam |
WO2013074907A1 (en) * | 2011-11-17 | 2013-05-23 | Air Products And Chemicals, Inc. | Processes, products, and compositions having tetraalkylguanidine salt of aromatic carboxylic acid |
WO2016107388A1 (zh) | 2014-12-31 | 2016-07-07 | 江苏奥斯佳材料科技有限公司 | 一种聚氨酯催化剂及其应用 |
EP3954722A1 (en) * | 2020-07-30 | 2022-02-16 | Evonik Operations GmbH | Process and composition for the production of flexible polyurethane foam |
FR3118043B1 (fr) * | 2020-12-18 | 2024-03-08 | Bostik Sa | Procédé de préparation d’un polymère de polyuréthane |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1215361B (de) * | 1964-04-21 | 1966-04-28 | Bayer Ag | Verfahren zur Herstellung von homogenen oder zelligen Polyurethankunststoffen |
US3476933A (en) * | 1966-10-21 | 1969-11-04 | Westinghouse Electric Corp | Large-celled polyurethane foam |
GB1182014A (en) * | 1966-10-29 | 1970-02-25 | San Abbott Ltd | Urethane and Urea Catalyst |
DE1720633A1 (de) * | 1967-03-15 | 1971-07-01 | Bayer Ag | Verfahren zur Herstellung von Polyurethanen |
NL6914995A (it) * | 1968-10-04 | 1970-04-07 | ||
US3621020A (en) * | 1969-12-17 | 1971-11-16 | Du Pont | Process for trimerizing polyisocyanates |
DE2100244A1 (it) * | 1970-01-05 | 1971-07-15 | Scott Paper Co Ind Highway At | |
US3874964A (en) * | 1972-05-03 | 1975-04-01 | Grace W R & Co | Laminated fabric and method |
JPS4922959A (it) * | 1972-06-19 | 1974-02-28 | ||
US3975350A (en) * | 1972-08-02 | 1976-08-17 | Princeton Polymer Laboratories, Incorporated | Hydrophilic or hydrogel carrier systems such as coatings, body implants and other articles |
US3953406A (en) * | 1973-01-26 | 1976-04-27 | California Institute Of Technology | Water-insoluble, swellable polyurethanes |
US3861993A (en) * | 1973-02-13 | 1975-01-21 | Grace W R & Co | Composite foam scouring pad |
JPS5112358B2 (it) * | 1973-03-07 | 1976-04-19 | ||
LU68552A1 (it) | 1973-10-03 | 1975-06-16 | ||
DE2441843C3 (de) * | 1974-05-22 | 1980-12-04 | Bayer Ag, 5090 Leverkusen | Verfahren zur Herstellung von, zur Herstellung von hydrophilen Polyurethanschaumstoffen geeigneten, modifizierten, Ammoniumgruppen aufweisenden Polyisocyanaten und deren Verwendung |
US4008189A (en) * | 1974-06-03 | 1977-02-15 | Olin Corporation | Hydrophilic polyurethane foam |
US3993608A (en) * | 1974-06-27 | 1976-11-23 | Minnesota Mining And Manufacturing Company | Poly(urethane-isocyanurate) foams containing hollow glass spheres |
DE2434185A1 (de) * | 1974-07-16 | 1976-02-05 | Bayer Ag | Verfahren zur herstellung von amidin-metall-komplexen |
JPS526316A (en) * | 1975-07-04 | 1977-01-18 | Ishikawajima Harima Heavy Ind Co Ltd | Furnace-top packing protection device for vacuum arc furnaces |
-
1976
- 1976-03-12 LU LU74539A patent/LU74539A1/xx unknown
-
1977
- 1977-02-25 FR FR7705615A patent/FR2343765A1/fr active Granted
- 1977-03-03 GB GB8933/77A patent/GB1571730A/en not_active Expired
- 1977-03-04 SE SE7702424A patent/SE7702424L/xx unknown
- 1977-03-11 DE DE19772710815 patent/DE2710815A1/de not_active Withdrawn
- 1977-03-11 NL NL7702678A patent/NL7702678A/xx not_active Application Discontinuation
- 1977-03-11 US US05/776,681 patent/US4191815A/en not_active Expired - Lifetime
- 1977-03-12 JP JP2753277A patent/JPS52128994A/ja active Granted
- 1977-03-14 IT IT2117577A patent/IT1075573B/it active
Also Published As
Publication number | Publication date |
---|---|
LU74539A1 (it) | 1977-09-27 |
FR2343765A1 (fr) | 1977-10-07 |
JPS5518444B2 (it) | 1980-05-19 |
DE2710815A1 (de) | 1977-09-15 |
SE7702424L (sv) | 1977-09-13 |
JPS52128994A (en) | 1977-10-28 |
FR2343765B1 (it) | 1982-01-08 |
GB1571730A (en) | 1980-07-16 |
NL7702678A (nl) | 1977-09-14 |
US4191815A (en) | 1980-03-04 |
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