MX169364B - Procedimiento para la obtencion de piezas moldeadas o de laminas a base de productos de poliadicion de poliisocianato - Google Patents

Procedimiento para la obtencion de piezas moldeadas o de laminas a base de productos de poliadicion de poliisocianato

Info

Publication number
MX169364B
MX169364B MX013158A MX1315888A MX169364B MX 169364 B MX169364 B MX 169364B MX 013158 A MX013158 A MX 013158A MX 1315888 A MX1315888 A MX 1315888A MX 169364 B MX169364 B MX 169364B
Authority
MX
Mexico
Prior art keywords
polyadition
molecular weight
products
groups
molded parts
Prior art date
Application number
MX013158A
Other languages
English (en)
Inventor
Eberhard Jurgens
Christian Weber
Erich Meier
Joachim Wagner
Werner Rasshofer
Ulrich Eisele
Original Assignee
Bayer Ag
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from DE19873733756 external-priority patent/DE3733756A1/de
Application filed by Bayer Ag filed Critical Bayer Ag
Publication of MX169364B publication Critical patent/MX169364B/es

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
    • C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
    • C08G18/72—Polyisocyanates or polyisothiocyanates
    • C08G18/80—Masked polyisocyanates
    • C08G18/8003—Masked polyisocyanates masked with compounds having at least two groups containing active hydrogen
    • C08G18/8006—Masked polyisocyanates masked with compounds having at least two groups containing active hydrogen with compounds of C08G18/32
    • C08G18/8009—Masked polyisocyanates masked with compounds having at least two groups containing active hydrogen with compounds of C08G18/32 with compounds of C08G18/3203
    • C08G18/8012—Masked polyisocyanates masked with compounds having at least two groups containing active hydrogen with compounds of C08G18/32 with compounds of C08G18/3203 with diols
    • C08G18/8019—Masked aromatic polyisocyanates
    • 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
    • C08G18/40—High-molecular-weight compounds
    • C08G18/48—Polyethers
    • C08G18/50—Polyethers having heteroatoms other than oxygen
    • C08G18/5021—Polyethers having heteroatoms other than oxygen having nitrogen
    • C08G18/5036—Polyethers having heteroatoms other than oxygen having nitrogen containing -N-C=O groups
    • C08G18/5048—Products of hydrolysis of polyether-urethane prepolymers containing isocyanate 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
    • C08G18/6685—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 C08G18/3225 or polyamines of C08G18/38
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • 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
    • C08G2120/00—Compositions for reaction injection moulding processes

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)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)

Abstract

La presente invención se refiere a procedimiento para la obtención de piezas moldeadas o de láminas a base de productos de poliadición de poliisocianato con una densidad de al menos 0.8 g/cm cúbico mediante moldeo temoplástico a temperaturas situadas al menos en 50 grados C y al menos a presiones de 5 bares, caracterizado porque se emplean como productos de poliadición de poliisocianato los que se han obtenido por reacción de a) poliisocianatos aromáticos, b) compuestos con un peso molecular comprendido entre 1.800 y 12.000 que presentan en promedio estadístico al menos 2,5 grupos reactivos frente a los grupos isocianato, en caso dado c) diaminas con dos grupos amino primarios y/o secundarios, enlazados aromáticamente con un peso molecular en los límites de 108 a 400, así como en caso dado, d) (ciclo) alcanopolioles o (ciclo) alcanopoliaminas que presentan en caso dado grupos eter con un peso molecular en los límites de 60 a 1.799 así como, en caso dado, con empleo concomitante de e) productos auxiliares y aditivos en sí conocidos por la química de los poliuretanos con mantenimiento de un índice de isocianato de 60 a 140 en un procedimiento de una o de varias etapas, con la condición de que al menos uno de los componentes c) o d) se emplee concomitantemente en una cantidad tal que la cantidad total de los componentes c) y d) ascienda al menos al 5 por ciento en peso referido al peso de el componente b).
MX013158A 1987-10-06 1988-09-26 Procedimiento para la obtencion de piezas moldeadas o de laminas a base de productos de poliadicion de poliisocianato MX169364B (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19873733756 DE3733756A1 (de) 1987-10-06 1987-10-06 Verfahren zur herstellung von formkoerpern oder folien
DE3802427A DE3802427A1 (de) 1987-10-06 1988-01-28 Verfahren zur herstellung von formkoerpern oder folien

Publications (1)

Publication Number Publication Date
MX169364B true MX169364B (es) 1993-06-30

Family

ID=25860531

Family Applications (1)

Application Number Title Priority Date Filing Date
MX013158A MX169364B (es) 1987-10-06 1988-09-26 Procedimiento para la obtencion de piezas moldeadas o de laminas a base de productos de poliadicion de poliisocianato

Country Status (8)

Country Link
US (1) US5064600A (es)
EP (1) EP0310896B1 (es)
JP (1) JP2702180B2 (es)
KR (1) KR970009323B1 (es)
CA (1) CA1331821C (es)
DE (2) DE3802427A1 (es)
ES (1) ES2050686T3 (es)
MX (1) MX169364B (es)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3822331A1 (de) * 1988-07-01 1990-01-04 Bayer Ag Verfahren zur herstellung von formkoerpern und die nach diesem verfahren erhaltenen formkoerper
US5538679A (en) * 1988-11-29 1996-07-23 Bayer Aktiengesellschaft Process of making molded products
US4983643A (en) * 1989-06-08 1991-01-08 Mobay Corporation Polyurea elastomers with reduced brittleness
DE4030282A1 (de) * 1989-11-01 1991-05-02 Bayer Ag Verfahren zum herstellen von formkoerpern durch tiefziehen von vorgefertigten pur-teilen oder verpressen von kleinteiligem pur-material, beides auf basis von polyisocyanat-polyadditionsprodukten
DE3942468A1 (de) * 1989-12-22 1991-06-27 Bayer Ag Verfahren zur herstellung von formkoerpern oder folien aus vernetzten polyisocyanat-polyadditionsprodukten und die so erhaltenen formkoerper
ATE284305T1 (de) * 2000-02-15 2004-12-15 Dow Global Technologies Inc Reaktionsspritzgiessverfahren
US6562932B1 (en) * 2001-10-12 2003-05-13 Bayer Corporation Light stable one-shot urethane-urea elastomers
DE102005048220C5 (de) * 2005-09-29 2018-01-18 Magna Exteriors (Germany) Gmbh Verfahren zur Herstellung einer Verkleidungsteilvariante für ein Kraftfahrzeug und Verkleidungsteil
DE102008001855A1 (de) * 2008-05-19 2009-11-26 Evonik Degussa Gmbh Zweikomponenten-Zusammensetzung zur Herstellung von flexiblen Polyurethan-Gelcoats

Family Cites Families (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1645427B2 (de) * 1965-10-22 1972-06-22 Schering Ag, 1000 Berlin Und 4619 Bergkamen Verfahren zur herstellung von copolyharnstoffen
GB1313741A (en) * 1969-05-15 1973-04-18 Ici Ltd Thermally reversible polymers
BE793041A (fr) * 1971-12-23 1973-06-20 Bayer Ag Resines de polyurethanes dures renforcees et aptes au formage reversible a la chaleur
JPS5213556B2 (es) * 1973-07-04 1977-04-15
DE2425810A1 (de) * 1974-05-28 1975-12-18 Bayer Ag Poly(urethan)harnstoff-farbpulver
DE2513817C3 (de) * 1975-03-27 1986-11-13 Bayer Ag, 5090 Leverkusen Verfahren zur Herstellung von Schaumstoff-Formkörpern kompakter Randzone und zelligem Kern
US4218543A (en) * 1976-05-21 1980-08-19 Bayer Aktiengesellschaft Rim process for the production of elastic moldings
DE2622951B2 (de) * 1976-05-21 1979-09-06 Bayer Ag, 5090 Leverkusen Verfahren zur Herstellung von elastischen Fonnkörpern
DE2854386A1 (de) * 1978-12-16 1980-07-03 Bayer Ag Verfahren zur herstellung von thermoplastischen chemiewerkstoffen
JPS5938964B2 (ja) * 1979-04-11 1984-09-20 イハラケミカル工業株式会社 ポリウレタンエラストマ−の製造方法
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
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
DE3147736A1 (de) * 1981-12-02 1983-06-09 Bayer Ag, 5090 Leverkusen Verfahren zur herstellung von elastischen formkoerpern
JPS5915425A (ja) * 1982-07-19 1984-01-26 Nisshinbo Ind Inc 低温構造体用弾性支承体
US4546154A (en) * 1983-05-23 1985-10-08 Ici Americas Inc. Process for forming mold releasable polyurethane, polyurea and polyureaurethane resins using isocyanate reactive polysiloxanes as internal mold release agents
US4448904A (en) * 1983-06-08 1984-05-15 Texaco Inc. Reaction injection molded elastomer using a methylene bis(phenyliscoyanate) containing 2,4' isomer in amounts greater than about 10 percent
US4642320A (en) * 1983-11-02 1987-02-10 The Dow Chemical Company Reaction injection molded polyureas employing high molecular weight amine-terminated polyethers
US4608418A (en) * 1985-02-22 1986-08-26 Gensco Inc. Hot melt composition and process for forming the same
US4659747A (en) * 1986-05-15 1987-04-21 The Dow Chemical Company Cyclohexanedimethanol/diamine mixtures as RIM extenders
GB8613701D0 (en) * 1986-06-05 1986-07-09 Ici Plc Polymeric polyols
DE3627078A1 (de) * 1986-08-09 1988-02-18 Bayer Ag Verfahren zur herstellung von formkoerpern auf polyurethan- und/oder polyharnstoff-basis und die nach diesem verfahren erhaltenen formkoerper
DE3628141A1 (de) * 1986-08-19 1988-02-25 Bayer Ag Lineare polyurethan-elastomere und verfahren zu ihrer herstellung
JPS6377919A (ja) * 1986-09-22 1988-04-08 Toyo Tire & Rubber Co Ltd 低硬度ポリウレタンエラストマ−
US4732919A (en) * 1986-11-06 1988-03-22 Texaco Inc. Reaction injection molded elastomer made from a quasi-prepolymer of a polyoxyalkylene polyamine and an aromatic isocyanate
US4810444A (en) * 1987-06-08 1989-03-07 The Dow Chemical Company Method for making mat-molded rim parts
US4786656A (en) * 1988-02-22 1988-11-22 Ethyl Corporation Polyhydroxyalkane/aromatic diamine chain extenders
US4954537A (en) * 1989-06-08 1990-09-04 Mobay Corporation Internal mold release agent for use in polyurea rim systems
US4983643A (en) * 1989-06-08 1991-01-08 Mobay Corporation Polyurea elastomers with reduced brittleness

Also Published As

Publication number Publication date
EP0310896A3 (en) 1990-06-27
KR970009323B1 (ko) 1997-06-10
DE3802427A1 (de) 1989-08-03
EP0310896A2 (de) 1989-04-12
KR890006686A (ko) 1989-06-15
EP0310896B1 (de) 1994-03-02
JPH01121315A (ja) 1989-05-15
US5064600A (en) 1991-11-12
JP2702180B2 (ja) 1998-01-21
DE3888072D1 (de) 1994-04-07
CA1331821C (en) 1994-08-30
ES2050686T3 (es) 1994-06-01

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