ES445011A1 - Un procedimiento para la preparacion de polimeros de ureta- no. - Google Patents
Un procedimiento para la preparacion de polimeros de ureta- no.Info
- Publication number
- ES445011A1 ES445011A1 ES445011A ES445011A ES445011A1 ES 445011 A1 ES445011 A1 ES 445011A1 ES 445011 A ES445011 A ES 445011A ES 445011 A ES445011 A ES 445011A ES 445011 A1 ES445011 A1 ES 445011A1
- Authority
- ES
- Spain
- Prior art keywords
- prepolymer
- quasi
- polyol
- rich
- reacting
- 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.)
- Expired
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
- C08G18/28—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
- C08G18/42—Polycondensates having carboxylic or carbonic ester groups in the main chain
- C08G18/4266—Polycondensates having carboxylic or carbonic ester groups in the main chain prepared from hydroxycarboxylic acids and/or lactones
- C08G18/4269—Lactones
- C08G18/4277—Caprolactone and/or substituted caprolactone
-
- 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
- C08G18/12—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step using two or more compounds having active hydrogen in the first polymerisation step
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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB5603/75A GB1535783A (en) | 1975-02-10 | 1975-02-10 | Preparation of urethane polymers |
Publications (1)
Publication Number | Publication Date |
---|---|
ES445011A1 true ES445011A1 (es) | 1977-05-01 |
Family
ID=9799199
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES445011A Expired ES445011A1 (es) | 1975-02-10 | 1976-02-09 | Un procedimiento para la preparacion de polimeros de ureta- no. |
Country Status (7)
Country | Link |
---|---|
US (1) | US4086214A (es) |
AT (1) | AT352395B (es) |
AU (1) | AU508543B2 (es) |
DE (1) | DE2604992A1 (es) |
ES (1) | ES445011A1 (es) |
GB (1) | GB1535783A (es) |
IT (1) | IT1053825B (es) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4551518A (en) * | 1983-07-21 | 1985-11-05 | Kuraray Co., Ltd. | Process for production of polyurethane |
US6022939A (en) * | 1994-12-23 | 2000-02-08 | Bayer Aktiengesellschaft | Thermoplastic polyurethanes with improved melt flow |
DE19632925A1 (de) | 1996-08-16 | 1998-02-19 | Bayer Ag | Reaktionsfähige Massen mit hoher Topfzeit |
MX2007004737A (es) * | 2004-10-21 | 2007-06-18 | Dow Global Technologies Inc | Un elastomero de poliuretano de alta claridad. |
US20060088720A1 (en) * | 2004-10-22 | 2006-04-27 | Niederst Ken W | Coated packaging materials |
JP4811869B2 (ja) * | 2005-12-08 | 2011-11-09 | シンジーテック株式会社 | 鳴き防止ロール |
EP2027173A1 (en) * | 2006-04-24 | 2009-02-25 | Carnegie Mellon University | Biodegradable polyurethanes |
US20090110894A1 (en) * | 2007-10-26 | 2009-04-30 | Nybakken George H | Polyurethane elastomer articles from low free diphenylmethane diisocyanate prepolymers |
RU2463395C1 (ru) * | 2009-10-28 | 2012-10-10 | Ниссинбо Текстайл Инк. | Сопряженная армированная нить стержнево-оплеточного типа, трикотажное полотно, изделие одежды и способ получения сопряженной армированной нити стержнево-оплеточного типа |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3666835A (en) * | 1970-04-16 | 1972-05-30 | Sun Chemical Corp | Polyurethane systems |
US3775354A (en) * | 1972-02-29 | 1973-11-27 | Inter Polymer Res Corp | Polyurethane elastomers based on poly(epsilon-caprolactone)polyols |
-
1975
- 1975-02-10 GB GB5603/75A patent/GB1535783A/en not_active Expired
-
1976
- 1976-01-19 US US05/650,160 patent/US4086214A/en not_active Expired - Lifetime
- 1976-02-06 IT IT7647990A patent/IT1053825B/it active
- 1976-02-09 ES ES445011A patent/ES445011A1/es not_active Expired
- 1976-02-09 DE DE2604992A patent/DE2604992A1/de active Pending
- 1976-02-10 AT AT89576A patent/AT352395B/de not_active IP Right Cessation
- 1976-02-10 AU AU10992/76A patent/AU508543B2/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US4086214A (en) | 1978-04-25 |
AU1099276A (en) | 1977-08-18 |
ATA89576A (de) | 1979-02-15 |
IT1053825B (it) | 1981-10-10 |
DE2604992A1 (de) | 1976-08-19 |
GB1535783A (en) | 1978-12-13 |
AT352395B (de) | 1979-09-10 |
AU508543B2 (en) | 1980-03-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FD1A | Patent lapsed |
Effective date: 19980202 |