IT8223895A0 - FLEXIBLE POLYURETHANE FOAM BASED ON METHYLENE DIPHENYLYSOCYANATE. - Google Patents
FLEXIBLE POLYURETHANE FOAM BASED ON METHYLENE DIPHENYLYSOCYANATE.Info
- Publication number
- IT8223895A0 IT8223895A0 IT8223895A IT2389582A IT8223895A0 IT 8223895 A0 IT8223895 A0 IT 8223895A0 IT 8223895 A IT8223895 A IT 8223895A IT 2389582 A IT2389582 A IT 2389582A IT 8223895 A0 IT8223895 A0 IT 8223895A0
- Authority
- IT
- Italy
- Prior art keywords
- diphenylysocyanate
- methylene
- polyurethane foam
- flexible polyurethane
- foam based
- Prior art date
Links
- 229920005830 Polyurethane Foam Polymers 0.000 title 1
- 125000001570 methylene group Chemical class [H]C([H])([*:1])[*:2] 0.000 title 1
- 239000011496 polyurethane foam Substances 0.000 title 1
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
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 true IT8223895A0 (en) | 1982-10-22 |
IT1153297B IT1153297B (en) | 1987-01-14 |
Family
ID=26979425
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT23895/82A IT1153297B (en) | 1981-10-26 | 1982-10-22 | FLEXIBLE POLYURETHANE FOAM BASED ON METHYLENE DIPHENYL ISOCYANATE |
Country Status (7)
Country | Link |
---|---|
JP (1) | JPH03174431A (en) |
AU (1) | AU8974382A (en) |
CA (1) | CA1194642A (en) |
DE (1) | DE3238173A1 (en) |
FR (1) | FR2515192B1 (en) |
GB (1) | GB2108136B (en) |
IT (1) | IT1153297B (en) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0699535B2 (en) * | 1986-01-31 | 1994-12-07 | 日本ポリウレタン工業株式会社 | Polyurethane foam manufacturing method |
EP0414701B1 (en) * | 1988-03-11 | 1995-09-27 | Smith & Nephew P.L.C. | 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 (en) * | 2000-01-28 | 2010-07-28 | 日本エンバイロケミカルズ株式会社 | Water treatment carrier, method for producing water treatment carrier and water treatment device |
JP4797379B2 (en) * | 2003-12-26 | 2011-10-19 | 株式会社ブリヂストン | Vehicle seat cushion pad, vehicle seat back pad, and vehicle seat |
ATE402208T1 (en) * | 2004-04-01 | 2008-08-15 | Basf Se | POLYISOCYANAT PREPOLYMERS AND THEIR USE FOR CASTING KIDNEY FILTERS |
JP2006256058A (en) * | 2005-03-16 | 2006-09-28 | Tokai Rubber Ind Ltd | Method for molding pattern on surface of concrete and decorative mat used therein |
JPWO2013021871A1 (en) * | 2011-08-05 | 2015-03-05 | 旭硝子株式会社 | Method for producing flexible polyurethane foam |
Family Cites Families (8)
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 |
-
1982
- 1982-09-02 CA CA000410682A patent/CA1194642A/en not_active Expired
- 1982-09-24 GB GB08227312A patent/GB2108136B/en not_active Expired
- 1982-10-15 DE DE19823238173 patent/DE3238173A1/en active Granted
- 1982-10-22 IT IT23895/82A patent/IT1153297B/en active
- 1982-10-25 AU AU89743/82A patent/AU8974382A/en not_active Abandoned
- 1982-10-25 FR FR8217829A patent/FR2515192B1/en not_active Expired
-
1990
- 1990-09-20 JP JP2248989A patent/JPH03174431A/en active Granted
Also Published As
Publication number | Publication date |
---|---|
FR2515192A1 (en) | 1983-04-29 |
JPH03174431A (en) | 1991-07-29 |
JPH059451B2 (en) | 1993-02-05 |
GB2108136A (en) | 1983-05-11 |
GB2108136B (en) | 1985-07-03 |
FR2515192B1 (en) | 1987-01-30 |
DE3238173A1 (en) | 1983-05-05 |
IT1153297B (en) | 1987-01-14 |
AU8974382A (en) | 1983-05-05 |
DE3238173C2 (en) | 1992-05-27 |
CA1194642A (en) | 1985-10-01 |
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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 |