MX9400291A - Proceso para preparar poliuretanos. - Google Patents
Proceso para preparar poliuretanos.Info
- Publication number
- MX9400291A MX9400291A MX9400291A MX9400291A MX9400291A MX 9400291 A MX9400291 A MX 9400291A MX 9400291 A MX9400291 A MX 9400291A MX 9400291 A MX9400291 A MX 9400291A MX 9400291 A MX9400291 A MX 9400291A
- Authority
- MX
- Mexico
- Prior art keywords
- weight
- total amount
- propanediol
- methyl
- isocyanate
- Prior art date
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
- C08G18/65—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
- C08G18/6511—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 compounds of group C08G18/3203
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/0001—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor characterised by the choice of material
-
- 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
- C08G18/6511—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 compounds of group C08G18/3203
- C08G18/6517—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 compounds of group C08G18/3203 having at least three hydroxy groups
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)
- Mechanical Engineering (AREA)
- Polyurethanes Or Polyureas (AREA)
Abstract
Esta invención se relaciona con un proceso para preparar poliuretanos al hacer reaccionar, de acuerdo con la técnica de moldeo en dos fases o de transferencia con resina a un índice de isocianato de aproximadamente 80 a aproximadamente 120, (a) un poliisocianato orgánico; (b) de aproximadamente 60 a aproximadamente 98 por ciento en peso, basado en la cantidad total de los componentes (b) y (c), de por lo menos un compuesto reactivo con isocianato que contiene por lo menos dos átomos de hidrógeno reactivos con isocianato y que tienen un peso molecular desde aproximadamente 400 hasta aproximadamente 10,000; (c) desde aproximadamente 2 hasta aproximadamente 40 por ciento en peso, basado en la cantidad total de los componentes (b) y (c), de (i) 2-metil-1,3-propandiol o (ii) una mezcla de 2-,metil-1,3-propandiol con (1) hasta aproximadamente 30 en peso, basado en la cantidad total del componente (c), de un alargador de cadena diferente a 2-metil-1,3-propandiol y/o (2) hasta aproximadamente 5 en peso, basado en la cantidad total del componente (c), de un agente de reticulación; y (d) uno o más catalizadores y de manera opcional uno o más adyuvantes y/o aditivos adicionales.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/001,490 US5277862A (en) | 1993-01-07 | 1993-01-07 | Resin transfer molding process |
Publications (1)
Publication Number | Publication Date |
---|---|
MX9400291A true MX9400291A (es) | 1994-07-29 |
Family
ID=21696284
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MX9400291A MX9400291A (es) | 1993-01-07 | 1994-01-05 | Proceso para preparar poliuretanos. |
Country Status (3)
Country | Link |
---|---|
US (1) | US5277862A (es) |
CA (1) | CA2111154A1 (es) |
MX (1) | MX9400291A (es) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5536465A (en) * | 1994-02-09 | 1996-07-16 | Bayer Corporation | Long-gelling internal mold release compositions for structural rim processes |
US5614605A (en) * | 1994-12-19 | 1997-03-25 | Bayer Corporation | Rigid polyurethanes based on allophanate-modified aliphatic and/or cycloaliphatic polyisocyanurates |
US5552478A (en) * | 1996-02-02 | 1996-09-03 | Ashland Inc. | Low profile additives for polyester resin systems based on asymmetric glycols and aromatic diacids |
US6521164B1 (en) * | 1996-02-06 | 2003-02-18 | Parker-Hannifin Corporation | Injection-moldable thermoplastic polyurethane elastomer |
US5840233A (en) | 1997-09-16 | 1998-11-24 | Optimer, Inc. | Process of making melt-spun elastomeric fibers |
DE10116592A1 (de) * | 2001-04-03 | 2002-10-17 | Getzner Werkstoffe Ges M B H | Elastomer II |
US7011767B2 (en) * | 2003-01-10 | 2006-03-14 | Ppg Industries Ohio, Inc. | Liquid pigment dispersion and curative agents |
DE102008001855A1 (de) * | 2008-05-19 | 2009-11-26 | Evonik Degussa Gmbh | Zweikomponenten-Zusammensetzung zur Herstellung von flexiblen Polyurethan-Gelcoats |
IT1405233B1 (it) * | 2011-02-11 | 2014-01-03 | Automobili Lamborghini Spa | Processo e sistema per fabbricare prodotti in materiale composito, nonche' prodotti fabbricati con questo processo o sistema |
DE102014208353A1 (de) * | 2014-05-05 | 2015-11-05 | Henkel Ag & Co. Kgaa | Mehrphasige Polyurethan-Zusammensetzung mit reduzierter Schaumentwicklung |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3126517A1 (de) * | 1981-07-04 | 1983-01-20 | Basf Ag, 6700 Ludwigshafen | Verfahren zur herstellung von gegebenenfalls zellhaltigen polyurethan-elastomeren |
US4413111A (en) * | 1982-09-29 | 1983-11-01 | Mobay Chemical Corporation | Isocyanate-terminated prepolymers with low free monomer contents |
JPS60159031A (ja) * | 1984-01-31 | 1985-08-20 | Asahi Glass Co Ltd | 反応射出成形方法 |
US4582879A (en) * | 1984-03-22 | 1986-04-15 | Frisch Kurt C | Reaction injection molding process and reaction injection molded products |
US4695509A (en) * | 1985-12-23 | 1987-09-22 | Allied Corporation | Polyamide fiber reinforcement in thermoset polyurethane composites |
JPS62207315A (ja) * | 1986-03-06 | 1987-09-11 | Dainichi Color & Chem Mfg Co Ltd | R−rimポリウレタン成形物 |
US4714575A (en) * | 1986-05-27 | 1987-12-22 | Ex-Cell-O Corporation | Method for manufacturing RIM composites |
US4871612A (en) * | 1986-09-05 | 1989-10-03 | Inoue Mtp Kabushiki Kaisha | Interior member for vehicles and method for its manufacture |
JPS63309510A (ja) * | 1987-06-12 | 1988-12-16 | Nippon Polyurethan Kogyo Kk | ポリイソシアヌレ−ト複合体の製造法 |
JPS6416619A (en) * | 1987-07-11 | 1989-01-20 | Nippon Polyurethane Kogyo Kk | Manufacture of polyurethane composite |
US4757123A (en) * | 1987-08-03 | 1988-07-12 | Arco Chemical Company | Method for the preparation of rigid cast or transfer molded thermoset polyisocyanurate compositions |
US4800058A (en) * | 1987-08-24 | 1989-01-24 | Arco Chemical Company | Method for the preparation of rigid cast or transfer molded thermoset polyurethane modified polyisocyanurate compositions |
US4919876A (en) * | 1988-01-11 | 1990-04-24 | General Motors Corporation | Method for making composite tread for track-laying vehicles |
US5009821A (en) * | 1989-02-23 | 1991-04-23 | Libbey-Owens-Ford Co. | Molding method for eliminating fiber readout |
US5100735A (en) * | 1990-07-25 | 1992-03-31 | E. I. Du Pont De Nemours And Company | Waterborne basecoat/high solids clear finish for automotive substrates having an improved appearance |
US5187001A (en) * | 1990-09-26 | 1993-02-16 | Gencorp Inc. | Resin transfer molding apparatus |
-
1993
- 1993-01-07 US US08/001,490 patent/US5277862A/en not_active Expired - Fee Related
- 1993-12-10 CA CA002111154A patent/CA2111154A1/en not_active Abandoned
-
1994
- 1994-01-05 MX MX9400291A patent/MX9400291A/es unknown
Also Published As
Publication number | Publication date |
---|---|
US5277862A (en) | 1994-01-11 |
CA2111154A1 (en) | 1994-07-08 |
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