IT1153297B - Schiuma di poliuretano flessibile basata su metilene difenil isocianato - Google Patents

Schiuma di poliuretano flessibile basata su metilene difenil isocianato

Info

Publication number
IT1153297B
IT1153297B IT23895/82A IT2389582A IT1153297B IT 1153297 B IT1153297 B IT 1153297B IT 23895/82 A IT23895/82 A IT 23895/82A IT 2389582 A IT2389582 A IT 2389582A IT 1153297 B IT1153297 B IT 1153297B
Authority
IT
Italy
Prior art keywords
polyurethane foam
flexible polyurethane
methylene diphenyl
foam based
diphenyl isocyanate
Prior art date
Application number
IT23895/82A
Other languages
English (en)
Italian (it)
Other versions
IT8223895A0 (it
Inventor
James Leverette Guthrie
Original Assignee
Grace W R & Co
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
Priority claimed from US06/314,555 external-priority patent/US4384051A/en
Priority claimed from US06/314,554 external-priority patent/US4384050A/en
Application filed by Grace W R & Co filed Critical Grace W R & Co
Publication of IT8223895A0 publication Critical patent/IT8223895A0/it
Application granted granted Critical
Publication of IT1153297B publication Critical patent/IT1153297B/it

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
    • 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
    • C08G18/77—Polyisocyanates or polyisothiocyanates having heteroatoms in addition to the isocyanate or isothiocyanate nitrogen and oxygen or sulfur
    • C08G18/78—Nitrogen
    • C08G18/79—Nitrogen characterised by the polyisocyanates used, these having groups formed by oligomerisation of isocyanates or isothiocyanates
    • C08G18/797—Nitrogen characterised by the polyisocyanates used, these having groups formed by oligomerisation of isocyanates or isothiocyanates containing carbodiimide and/or uretone-imine groups
    • 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
    • C08G18/4804—Two or more polyethers of different physical or chemical nature
    • 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
    • C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
    • C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
    • C08G18/6666—Compounds of group C08G18/48 or C08G18/52
    • C08G18/667—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38
    • C08G18/6674—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/3203
    • C08G18/6677—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/3203 having at least three hydroxy groups
    • 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
    • C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
    • C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
    • C08G18/6666—Compounds of group C08G18/48 or C08G18/52
    • C08G18/667—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38
    • C08G18/6681—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/32 or C08G18/3271 and/or polyamines of C08G18/38
    • C08G18/6688—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/32 or C08G18/3271 and/or polyamines of C08G18/38 with compounds of group C08G18/3271
    • 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
    • C08G18/7657—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings
    • C08G18/7664—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing alkylene polyphenyl groups
    • 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
    • C08G2110/0083—Foam properties prepared using water as the sole blowing agent

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
IT23895/82A 1981-10-26 1982-10-22 Schiuma di poliuretano flessibile basata su metilene difenil isocianato IT1153297B (it)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/314,555 US4384051A (en) 1981-10-26 1981-10-26 Flexible polyurethane foam based on MDI
US06/314,554 US4384050A (en) 1981-10-26 1981-10-26 Flexible polyurethane foam based on MDI

Publications (2)

Publication Number Publication Date
IT8223895A0 IT8223895A0 (it) 1982-10-22
IT1153297B true IT1153297B (it) 1987-01-14

Family

ID=26979425

Family Applications (1)

Application Number Title Priority Date Filing Date
IT23895/82A IT1153297B (it) 1981-10-26 1982-10-22 Schiuma di poliuretano flessibile basata su metilene difenil isocianato

Country Status (7)

Country Link
JP (1) JPH03174431A (es)
AU (1) AU8974382A (es)
CA (1) CA1194642A (es)
DE (1) DE3238173A1 (es)
FR (1) FR2515192B1 (es)
GB (1) GB2108136B (es)
IT (1) IT1153297B (es)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0699535B2 (ja) * 1986-01-31 1994-12-07 日本ポリウレタン工業株式会社 ポリウレタンフォームの製造法
AU623134B2 (en) * 1988-03-11 1992-05-07 Bsn Medical, Inc. Orthopaedic material of isocyanate resin
US5104909A (en) * 1989-09-21 1992-04-14 W. R. Grace & Co.-Conn. Water-absorbent, high capacity polyurethane foams
US5114989A (en) * 1990-11-13 1992-05-19 The Dow Chemical Company Isocyanate-terminated prepolymer and polyurethane foam prepared therefrom
JP4514874B2 (ja) * 2000-01-28 2010-07-28 日本エンバイロケミカルズ株式会社 水処理用担体、水処理用担体の製造方法および水処理用装置
JP4797379B2 (ja) * 2003-12-26 2011-10-19 株式会社ブリヂストン 車両用シートクッションパッド、車両用シートバックパッド及び車両用シート
EP1582544B1 (de) * 2004-04-01 2008-07-23 Basf Se Polyisocyanatprepolymere und deren Verwendung zum Verguss von Nierenfiltern
JP2006256058A (ja) * 2005-03-16 2006-09-28 Tokai Rubber Ind Ltd コンクリート表面に対する模様成形法およびそれに用いる化粧マット
WO2013021871A1 (ja) * 2011-08-05 2013-02-14 旭硝子株式会社 軟質ポリウレタンフォームの製造方法
BR112021004862A2 (pt) * 2018-09-28 2021-06-22 Dow Global Technologies Llc espuma hidrofílica de poliuretano, método para produzir uma espuma hidrofílica de poliuretano, sistema de contenção de água, e, quase pré-polímero

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3042631A (en) * 1956-08-03 1962-07-03 Simoniz Co Polyurethane prepolymer and expanded product prepared therefrom
US4137200A (en) * 1973-10-09 1979-01-30 W. R. Grace & Co. Crosslinked hydrophilic foams and method
US4008189A (en) * 1974-06-03 1977-02-15 Olin Corporation Hydrophilic polyurethane foam
US4169175A (en) * 1976-06-14 1979-09-25 W. R. Grace & Co. Removal of unreacted tolylene diisocyanate from urethane prepolymers
US4201846A (en) * 1977-11-25 1980-05-06 W. R. Grace & Co. Dimensionally stable polyurethane foam
US4209605A (en) * 1978-10-19 1980-06-24 Union Carbide Corporation Process for producing shaped polyurethane hydrogel articles
US4293679A (en) * 1979-06-13 1981-10-06 W. R. Grace & Co. Composition and method of controlling solid polyurethane particle size with water reactant
US4365025A (en) * 1981-12-08 1982-12-21 W. R. Grace & Co. Flexible polyurethane foams from polymethylene polyphenyl isocyanate containing prepolymers

Also Published As

Publication number Publication date
GB2108136B (en) 1985-07-03
CA1194642A (en) 1985-10-01
DE3238173C2 (es) 1992-05-27
DE3238173A1 (de) 1983-05-05
FR2515192A1 (fr) 1983-04-29
GB2108136A (en) 1983-05-11
FR2515192B1 (fr) 1987-01-30
AU8974382A (en) 1983-05-05
JPH059451B2 (es) 1993-02-05
JPH03174431A (ja) 1991-07-29
IT8223895A0 (it) 1982-10-22

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19971030