ES2048147T3 - Procedimiento para la preparacion de poliuretanos termoplasticos. - Google Patents
Procedimiento para la preparacion de poliuretanos termoplasticos.Info
- Publication number
- ES2048147T3 ES2048147T3 ES87110475T ES87110475T ES2048147T3 ES 2048147 T3 ES2048147 T3 ES 2048147T3 ES 87110475 T ES87110475 T ES 87110475T ES 87110475 T ES87110475 T ES 87110475T ES 2048147 T3 ES2048147 T3 ES 2048147T3
- Authority
- ES
- Spain
- Prior art keywords
- procedure
- thermoplastic polyurethanes
- preparation
- pesole
- polyol
- 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 - Lifetime
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
- C08G18/08—Processes
- C08G18/0895—Manufacture of polymers by continuous processes
-
- 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
- C08G18/6505—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen the low-molecular compounds being compounds of group C08G18/32 or polyamines of C08G18/38
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)
- Polyesters Or Polycarbonates (AREA)
- Medicinal Preparation (AREA)
Abstract
LA INVENCION CONCIERNE A UN PROCEDIMIENTO PARA LA FABRICACION DE POLIURETANOS TERMOPLASTICOS, EN EL QUE SE HACE POLIMERIZAR UN POLIISOCIANATO ORGANICO CON UN POLIOL (REACTIVO CON EL MISMO ISOCIANATO) EN PRESENCIA DE UN AGENTE DE PROLONGACION DE CADENA QUE TIENE UN PESO MOLECULAR INFERIOR A 400, CON AGITACION CONTINUA, A UNA TEMPERATURA MAYOR DE 150 GRADOS CENTIGRADOS Y DURANTE UN TIEMPO SUFICIENTE PARA OBTENER UN PRODUCTO QUE TENGA UN INDICE DE FLUIDEZ EN ESTADO FUNDIDO INFERIOR A 25 G/10 MIN.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT21193/86A IT1196527B (it) | 1986-07-21 | 1986-07-21 | Procedimento per la preparazione di poliuretani termoplastici |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES2048147T3 true ES2048147T3 (es) | 1994-03-16 |
Family
ID=11178172
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES87110475T Expired - Lifetime ES2048147T3 (es) | 1986-07-21 | 1987-07-20 | Procedimiento para la preparacion de poliuretanos termoplasticos. |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US4769435A (es) |
| EP (1) | EP0254250B1 (es) |
| JP (1) | JPS6366218A (es) |
| AT (1) | ATE86263T1 (es) |
| CA (1) | CA1328029C (es) |
| DE (1) | DE3784398T2 (es) |
| ES (1) | ES2048147T3 (es) |
| IT (1) | IT1196527B (es) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU5949390A (en) * | 1989-06-27 | 1991-01-17 | Dow Chemical Company, The | Melt polymerization process for making polyurethanes |
| DE4211777A1 (de) * | 1991-07-04 | 1993-01-07 | Bayer Ag | Verfahren zum herstellen von elastomeren polyurethanen, insbesondere in form von schuhsohlen |
| DE69315073T2 (de) * | 1992-06-26 | 1998-06-10 | Minnesota Mining & Mfg | Polyurethan/polyharnstoff-elastomere |
| US5840233A (en) | 1997-09-16 | 1998-11-24 | Optimer, Inc. | Process of making melt-spun elastomeric fibers |
| DE19924090C1 (de) * | 1999-05-26 | 2001-01-25 | Bayer Ag | Verfahren zur kontinuierlichen Herstellung von thermoplastisch verarbeitbaren Polyurethanen mit verbessertem Erweichungsverhalten |
| US20040047910A1 (en) * | 2000-07-07 | 2004-03-11 | Christian Beckett | Suppository and composition comprising at least one polyethylene glycol |
| US20110028642A1 (en) * | 2008-04-09 | 2011-02-03 | Dow Global Technologies Inc. | Polyurethane elastomers |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1964834A1 (de) * | 1969-12-24 | 1971-07-01 | Bayer Ag | Verfahren zur Herstellung von Polyurethan-Elastomeren |
| DE2447368A1 (de) * | 1974-10-04 | 1976-04-08 | Basf Ag | Verfahren zur kontinuierlichen herstellung von thermoplastischen polyurethan-elastomeren |
| DE2549372C2 (de) * | 1975-11-04 | 1984-08-09 | Bayer Ag, 5090 Leverkusen | Verfahren zur kontinuierlichen Herstellung von Polyurethan-Elastomeren |
| DE2925944A1 (de) * | 1979-06-27 | 1981-01-22 | Bayer Ag | Verfahren zur herstellung von polyurethanharnstoffen |
| US4376834A (en) * | 1981-10-14 | 1983-03-15 | The Upjohn Company | Polyurethane prepared by reaction of an organic polyisocyanate, a chain extender and an isocyanate-reactive material of m.w. 500-20,000 characterized by the use of only 2-25 percent by weight of the latter material |
| US4532316A (en) * | 1984-05-29 | 1985-07-30 | W. L. Gore & Assoc., Inc. | Phase separating polyurethane prepolymers and elastomers prepared by reacting a polyol having a molecular weight of 600-3500 and isocyanate and a low molecular weight chain extender in which the ratios of reactants have a limited range |
-
1986
- 1986-07-21 IT IT21193/86A patent/IT1196527B/it active
-
1987
- 1987-07-16 US US07/074,353 patent/US4769435A/en not_active Expired - Fee Related
- 1987-07-17 JP JP62177389A patent/JPS6366218A/ja active Pending
- 1987-07-20 EP EP87110475A patent/EP0254250B1/en not_active Revoked
- 1987-07-20 DE DE8787110475T patent/DE3784398T2/de not_active Revoked
- 1987-07-20 AT AT87110475T patent/ATE86263T1/de not_active IP Right Cessation
- 1987-07-20 CA CA000542499A patent/CA1328029C/en not_active Expired - Fee Related
- 1987-07-20 ES ES87110475T patent/ES2048147T3/es not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US4769435A (en) | 1988-09-06 |
| ATE86263T1 (de) | 1993-03-15 |
| EP0254250B1 (en) | 1993-03-03 |
| US4769435B1 (es) | 1990-04-10 |
| IT1196527B (it) | 1988-11-16 |
| IT8621193A0 (it) | 1986-07-21 |
| CA1328029C (en) | 1994-03-22 |
| JPS6366218A (ja) | 1988-03-24 |
| EP0254250A1 (en) | 1988-01-27 |
| DE3784398T2 (de) | 1993-06-24 |
| DE3784398D1 (de) | 1993-04-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR830002544A (ko) | 폴리올과 이소시아네이토 우레탄 중합체의 혼합물로 된 수지상 결합제 | |
| ES2060756T3 (es) | Polieteruretanos fluorados y dispositivos medicos a partir de estos. | |
| DE3483307D1 (de) | Einteiliges spritzgussgestell und spritzform fuer dessen herstellung. | |
| FI921917A0 (fi) | Gelemassor samt deras framstaellning och anvaendning. | |
| DK136888D0 (da) | Reaktionssproejtestoebningsmidler | |
| DE3780059D1 (de) | Verfahren zur herstellung von festen pharmazeutischen formen. | |
| ES2072248T3 (es) | Acido nucleico que codifica para las cadenas alfa y beta de inhibina y procedimiento para sintetizar polipeptidos utilizando dicho acido nucleico. | |
| JPS5755099A (en) | Accelerator with variable field coupling cavity resonator | |
| ES2121856T3 (es) | Composicion de poliuretano/plastisol termoplastico en un solo bloque. | |
| SE8100696L (sv) | Reaktions-formsprutade elastomerer med overlegsen dimensionsstabilitet vid hog temperatur | |
| ES2147873T3 (es) | Elastomeros de poliuretano termoplasticos. | |
| ES2052660T3 (es) | Masas de moldeo espesadas. | |
| KR880701271A (ko) | 지질성 제형물을 강화시키고 밀봉하기 위한 방법 | |
| BR0300166B1 (pt) | processo semicontínuo de obtenção de um carregamento explosivo compósito constituído de uma matriz sólida poliuretano carregada, cuja carga é pulverulenta e compreende pelo menos um explosivo nitrado orgânico | |
| AU522672B2 (en) | Injection molding of continuous slide fastener chain | |
| ES2048865T3 (es) | Composiciones de elastomeros termoplasticos que presentan baja hinchazon con disolventes, estables a altas temperaturas. | |
| JPS5480397A (en) | Production of polyurethane elastomer | |
| ES8700288A1 (es) | Procedimiento para preparar composiciones poliolicas esta- bles | |
| ES8606063A1 (es) | Procedimiento con su dispositivo para el moldeo de productosde hormigon | |
| ATE115593T1 (de) | Transparente thermoplastische formmasse aus 2,3- difluoracrylsäureestern. | |
| US4769435B1 (es) | ||
| IT8467192A1 (it) | Procedimento per lo stampaggio ad iniezione di pezzi presentanti cavita'. | |
| AU4793679A (en) | Injection molding of continuous slide fastener chain | |
| JPS5285260A (en) | Method of molding of molded products of fiber reinforced plastic | |
| DE69319984D1 (de) | Stabilisierte Zusammensetzungen, die Fluorkohlenwasserstoffe enthalten, Vormischungen zur Herstellung von Polymerschäumen und erhaltene Polymerschäume |