JPS52128994A - Hydrophilic polyurethane foam and process for producing same - Google Patents

Hydrophilic polyurethane foam and process for producing same

Info

Publication number
JPS52128994A
JPS52128994A JP2753277A JP2753277A JPS52128994A JP S52128994 A JPS52128994 A JP S52128994A JP 2753277 A JP2753277 A JP 2753277A JP 2753277 A JP2753277 A JP 2753277A JP S52128994 A JPS52128994 A JP S52128994A
Authority
JP
Japan
Prior art keywords
polyurethane foam
producing same
hydrophilic polyurethane
hydrophilic
producing
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
Application number
JP2753277A
Other languages
English (en)
Other versions
JPS5518444B2 (ja
Inventor
Jiyorukin Rushian
Deyu Puritsuzu Edeii
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.)
SA PRB SA
Original Assignee
SA PRB SA
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 SA PRB SA filed Critical SA PRB SA
Publication of JPS52128994A publication Critical patent/JPS52128994A/ja
Publication of JPS5518444B2 publication Critical patent/JPS5518444B2/ja
Granted legal-status Critical Current

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)
JP2753277A 1976-03-12 1977-03-12 Hydrophilic polyurethane foam and process for producing same Granted JPS52128994A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
LU74539A LU74539A1 (ja) 1976-03-12 1976-03-12

Publications (2)

Publication Number Publication Date
JPS52128994A true JPS52128994A (en) 1977-10-28
JPS5518444B2 JPS5518444B2 (ja) 1980-05-19

Family

ID=19728182

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2753277A Granted JPS52128994A (en) 1976-03-12 1977-03-12 Hydrophilic polyurethane foam and process for producing same

Country Status (9)

Country Link
US (1) US4191815A (ja)
JP (1) JPS52128994A (ja)
DE (1) DE2710815A1 (ja)
FR (1) FR2343765A1 (ja)
GB (1) GB1571730A (ja)
IT (1) IT1075573B (ja)
LU (1) LU74539A1 (ja)
NL (1) NL7702678A (ja)
SE (1) SE7702424L (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016041824A (ja) * 2011-11-17 2016-03-31 エア プロダクツ アンド ケミカルズ インコーポレイテッドＡｉｒ Ｐｒｏｄｕｃｔｓ Ａｎｄ Ｃｈｅｍｉｃａｌｓ Ｉｎｃｏｒｐｏｒａｔｅｄ 芳香族カルボン酸のテトラアルキルグアニジン塩を有する組成物、製品及び方法

Families Citing this family (27)

* Cited by examiner, † Cited by third party
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
GB9311345D0 (en) * 1993-06-02 1993-07-21 Ici Plc Method for the preparation of flexible polymeric foams
US5447965A (en) * 1993-06-02 1995-09-05 Imperial Chemical Industries Plc Method for the preparation of flexible polymeric foams
CA2206289A1 (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
US20050267227A1 (en) * 2004-05-28 2005-12-01 Andrew Gary D Fast demold/extended cream time polyurethane formulations
US8258198B2 (en) * 2004-05-28 2012-09-04 Air Products And Chemicals, Inc. 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
EP2523988B1 (de) 2010-01-11 2018-05-02 Covestro Deutschland AG Hydrophile, aliphatische polyurethan-schäume
KR101498482B1 (ko) * 2010-07-09 2015-03-04 에어 프로덕츠 앤드 케미칼스, 인코오포레이티드 폴리우레탄 포움 성능을 개선시키기 위한 첨가제
US9458300B2 (en) 2010-10-27 2016-10-04 Covestro Deutschland Ag Hydrophilic, aliphatic polyurethane foams
US10106638B2 (en) * 2011-07-29 2018-10-23 Evonik Degussa Gmbh Reduced emissions low density spray polyurethane foam
US10889681B2 (en) 2014-12-31 2021-01-12 Jiangsu Osic Performance Materials Co. Ltd. Polyurethane catalyst and application thereof
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

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3621020A (en) * 1969-12-17 1971-11-16 Du Pont Process for trimerizing polyisocyanates
JPS4922959A (ja) * 1972-06-19 1974-02-28
JPS49114279A (ja) * 1973-03-07 1974-10-31
JPS5064389A (ja) * 1973-10-03 1975-05-31
JPS526316A (en) * 1975-07-04 1977-01-18 Ishikawajima Harima Heavy Ind Co Ltd Furnace-top packing protection device for vacuum arc furnaces

Family Cites Families (14)

* Cited by examiner, † Cited by third party
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
BE739840A (ja) * 1968-10-04 1970-04-03
DE2100244A1 (ja) * 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
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
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

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3621020A (en) * 1969-12-17 1971-11-16 Du Pont Process for trimerizing polyisocyanates
JPS4922959A (ja) * 1972-06-19 1974-02-28
JPS49114279A (ja) * 1973-03-07 1974-10-31
JPS5064389A (ja) * 1973-10-03 1975-05-31
JPS526316A (en) * 1975-07-04 1977-01-18 Ishikawajima Harima Heavy Ind Co Ltd Furnace-top packing protection device for vacuum arc furnaces

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016041824A (ja) * 2011-11-17 2016-03-31 エア プロダクツ アンド ケミカルズ インコーポレイテッドＡｉｒ Ｐｒｏｄｕｃｔｓ Ａｎｄ Ｃｈｅｍｉｃａｌｓ Ｉｎｃｏｒｐｏｒａｔｅｄ 芳香族カルボン酸のテトラアルキルグアニジン塩を有する組成物、製品及び方法

Also Published As

Publication number Publication date
NL7702678A (nl) 1977-09-14
FR2343765A1 (fr) 1977-10-07
LU74539A1 (ja) 1977-09-27
SE7702424L (sv) 1977-09-13
DE2710815A1 (de) 1977-09-15
IT1075573B (it) 1985-04-22
FR2343765B1 (ja) 1982-01-08
GB1571730A (en) 1980-07-16
US4191815A (en) 1980-03-04
JPS5518444B2 (ja) 1980-05-19

Similar Documents

Publication Publication Date Title
JPS52128994A (en) Hydrophilic polyurethane foam and process for producing same
JPS52115895A (en) Polyurethane composite excellent in antiflammability and process for producing same
JPS5324396A (en) Process for producing polyurethane urea
GB1557403A (en) Polyther and polyurethane foams made therefrom
JPS52128997A (en) Process for producing polyurethane with outer skin layer
JPS5346400A (en) Process for preparing polyisocyanurate foam
JPS5285298A (en) Process for manufacturing foamed polyurethane
YU69977A (en) Process for producing soft and extremely soft polyurethane foams
JPS531294A (en) Stabilized polyurethane and process for producing same
JPS5326899A (en) Process for producing high elastic polyurethane foam
JPS5351299A (en) Process for producing coldsetting foam
JPS52123496A (en) Hydrophilic urethane foam and process for producing same
JPS534092A (en) Polymerrpolyol composition and process for producing same and process for producing polyurethane article from same
JPS52100599A (en) Fiberrcontaining foamed polyurethane and process for manufacturing same
JPS52151395A (en) Foamed polyurethane excellent in waterrresistance and process for producing same
JPS5254761A (en) Process for manufacturing foamed cushion having skin
JPS538664A (en) Process for manufacture of elongate polyurethane foam sheet
JPS5298096A (en) Process for producing polyurethane foam with high resilience
JPS5328698A (en) Urethane foam excellent in waterrproof and process for producing same
JPS52130898A (en) Lesssfuming fireepreventing polyisocyanurate and polyurethane foam and process for producing sames
JPS5298094A (en) Process for producing polyurethane foam with high resilience
JPS55133418A (en) Polyurethane foam and its manufacture
GB2009191B (en) Felxible urethane foams having a low density and a method for producing the same
JPS5361658A (en) Producing method and apparatus for foamed polystyrene molded body
JPS52145472A (en) Process for minimize skin of polyurethane foam