IT7849174A0 - Elastomeri poliuretanici procedimento per produrre - Google Patents
Elastomeri poliuretanici procedimento per produrreInfo
- Publication number
- IT7849174A0 IT7849174A0 IT7849174A IT4917478A IT7849174A0 IT 7849174 A0 IT7849174 A0 IT 7849174A0 IT 7849174 A IT7849174 A IT 7849174A IT 4917478 A IT4917478 A IT 4917478A IT 7849174 A0 IT7849174 A0 IT 7849174A0
- Authority
- IT
- Italy
- Prior art keywords
- production procedure
- polyurethane elastomers
- elastomers
- polyurethane
- procedure
- Prior art date
Links
- 229920003225 polyurethane elastomer Polymers 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
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/30—Low-molecular-weight compounds
- C08G18/38—Low-molecular-weight compounds having heteroatoms other than oxygen
- C08G18/3855—Low-molecular-weight compounds having heteroatoms other than oxygen having sulfur
-
- 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
- C08G18/0804—Manufacture of polymers containing ionic or ionogenic groups
- C08G18/0819—Manufacture of polymers containing ionic or ionogenic groups containing anionic or anionogenic 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
- C08G18/08—Processes
- C08G18/10—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
-
- 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
- C08G18/30—Low-molecular-weight compounds
- C08G18/38—Low-molecular-weight compounds having heteroatoms other than oxygen
- C08G18/3819—Low-molecular-weight compounds having heteroatoms other than oxygen having nitrogen
- C08G18/3821—Carboxylic acids; Esters thereof with monohydroxyl compounds
-
- 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)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Polyurethanes Or Polyureas (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2720166A DE2720166C2 (de) | 1977-05-05 | 1977-05-05 | Verfahren zur Herstellung von Polyurethanelastomeren |
Publications (2)
Publication Number | Publication Date |
---|---|
IT7849174A0 true IT7849174A0 (it) | 1978-05-03 |
IT1102088B IT1102088B (it) | 1985-10-07 |
Family
ID=6008128
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT49174/78A IT1102088B (it) | 1977-05-05 | 1978-05-03 | Procedimento pre produrre elastomeri poliuretanici |
Country Status (6)
Country | Link |
---|---|
US (1) | US4133943A (it) |
BE (1) | BE866717A (it) |
DE (1) | DE2720166C2 (it) |
FR (1) | FR2389648B1 (it) |
GB (1) | GB1578704A (it) |
IT (1) | IT1102088B (it) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4222955A (en) * | 1979-02-21 | 1980-09-16 | The Goodyear Tire & Rubber Company | 3,5-Diamino-4-tert.-alkylbenzonitriles |
US4269945A (en) * | 1980-01-24 | 1981-05-26 | The Dow Chemical Company | Reaction injection molded polyurethanes employing aliphatic amine chain extenders |
US4296212A (en) * | 1980-08-27 | 1981-10-20 | The Upjohn Company | Elastomeric polyurethane-polyurea polymer prepared from an organic polyisocyanate a polyol and an aromatic diamine having at least one of the ortho positions to each amine lower alkyl |
US4495081A (en) * | 1982-07-13 | 1985-01-22 | The Dow Chemical Company | Compositions containing polyether polyols and aliphatic primary amines |
US4448939A (en) * | 1982-07-30 | 1984-05-15 | Air Products And Chemicals, Inc. | Polyurethanes prepated using poly(silyldiamines) |
US4530941A (en) * | 1983-01-26 | 1985-07-23 | The Dow Chemical Company | Reaction injection molded polyurethanes employing high molecular weight polyols |
US4642320A (en) * | 1983-11-02 | 1987-02-10 | The Dow Chemical Company | Reaction injection molded polyureas employing high molecular weight amine-terminated polyethers |
US4482690A (en) * | 1984-02-09 | 1984-11-13 | Air Products And Chemicals, Inc. | Process for the production of polyurethane urea elastomers |
US4556703A (en) * | 1984-05-14 | 1985-12-03 | American Cyanamid Company | Low heat buildup polyurethane compositions and articles |
US4786703A (en) * | 1987-04-15 | 1988-11-22 | Air Products And Chemicals, Inc. | Process for the preparation of polyisocyanate prepolymers and polyurethanes having high temperature performance and low hysteresis |
DE3713856A1 (de) * | 1987-04-25 | 1988-11-17 | Bayer Ag | Sulfonsaeurearylesterhaltige aromatische diamine, ein verfahren zu ihrer herstellung sowie ihre verwendung bei der herstellung von polyurethankunststoffen |
US5034426A (en) * | 1987-07-20 | 1991-07-23 | Air Products And Chemicals, Inc. | Aromatic diamine catalytic chain extenders |
US4937306A (en) * | 1987-07-20 | 1990-06-26 | Air Products And Chemicals, Inc. | Aromatic diamine catalytic chain extenders |
US4908394A (en) * | 1987-07-20 | 1990-03-13 | Air Products And Chemicals, Inc. | Diaminobenzoate catalytic chain extenders |
GB8909052D0 (en) * | 1989-04-21 | 1989-06-07 | Ici America Inc | Structural molding compositions |
JPH0372515A (ja) * | 1989-05-10 | 1991-03-27 | Asahi Glass Co Ltd | 硬質フォームの製造法 |
DE19924089C1 (de) * | 1999-05-26 | 2001-01-25 | Bayer Ag | Verfahren zur kontinuierlichen Herstellung von thermoplastisch verarbeitbaren Polyurethanen mit verbessertem Erweichungsverhalten |
US20030212236A1 (en) * | 2001-05-01 | 2003-11-13 | Luigi Pellacani | Process for producing polyurethane elastomer |
CN117447674B (zh) * | 2023-12-22 | 2024-04-09 | 万华化学集团股份有限公司 | 一种聚氨酯弹性体组合物、聚氨酯弹性体及其制备方法 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1495745C3 (de) * | 1963-09-19 | 1978-06-01 | Bayer Ag, 5090 Leverkusen | Verfahren zur Herstellung wäßriger, emulgatorfreier Polyurethan-Latices |
DE1570602A1 (de) * | 1965-09-03 | 1969-08-14 | Bayer Ag | Verfahren zur Herstellung von waessrigen Polyurethan-Dispersionen |
DE2003706C3 (de) * | 1970-01-28 | 1980-06-12 | Bayer Ag, 5090 Leverkusen | Verfahren zur Herstellung von Polyurethan-Harnstoffelastomeren |
DE1803635C3 (de) * | 1968-10-17 | 1978-07-06 | Bayer Ag, 5090 Leverkusen | Estergruppenhaltige aromatische Diamine und Verfahren zur Herstellung von Polyurethanelastomeren |
US3998871A (en) * | 1969-07-14 | 1976-12-21 | Minnesota Mining And Manufacturing Company | Sulfonated isocyanate compositions |
US3870684A (en) * | 1970-04-29 | 1975-03-11 | Bayer Ag | Preparation of cross-linked particles of polyurethane or polyurea containing ionic groups |
DE2025900C3 (de) * | 1970-05-27 | 1979-10-31 | Bayer Ag, 5090 Leverkusen | Verfahren zur Herstellung von Polyurethanelastomeren |
US4039514A (en) * | 1972-09-15 | 1977-08-02 | E. I. Du Pont De Nemours And Company | Polyurethanes cured with derivatives of 2,4-diamino-benzamide |
-
1977
- 1977-05-05 DE DE2720166A patent/DE2720166C2/de not_active Expired
-
1978
- 1978-04-24 US US05/899,431 patent/US4133943A/en not_active Expired - Lifetime
- 1978-05-03 IT IT49174/78A patent/IT1102088B/it active
- 1978-05-05 FR FR7813420A patent/FR2389648B1/fr not_active Expired
- 1978-05-05 BE BE187401A patent/BE866717A/xx not_active IP Right Cessation
- 1978-05-05 GB GB17974/78A patent/GB1578704A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
BE866717A (fr) | 1978-11-06 |
IT1102088B (it) | 1985-10-07 |
FR2389648B1 (it) | 1984-11-23 |
FR2389648A1 (it) | 1978-12-01 |
DE2720166C2 (de) | 1985-09-19 |
US4133943A (en) | 1979-01-09 |
DE2720166A1 (de) | 1978-11-16 |
GB1578704A (en) | 1980-11-05 |
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