BR8402753A - Processo para preparacao de um elastomero moldado por injecao de reacao,e elastomero assim obtido - Google Patents

Processo para preparacao de um elastomero moldado por injecao de reacao,e elastomero assim obtido

Info

Publication number
BR8402753A
BR8402753A BR8402753A BR8402753A BR8402753A BR 8402753 A BR8402753 A BR 8402753A BR 8402753 A BR8402753 A BR 8402753A BR 8402753 A BR8402753 A BR 8402753A BR 8402753 A BR8402753 A BR 8402753A
Authority
BR
Brazil
Prior art keywords
elastomer
preparing
reaction injection
molded
elastomer molded
Prior art date
Application number
BR8402753A
Other languages
English (en)
Inventor
Richard Joseph Gilbe Sominguez
Original Assignee
Texaco Development Corp
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
Application filed by Texaco Development Corp filed Critical Texaco Development Corp
Publication of BR8402753A publication Critical patent/BR8402753A/pt

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
    • C08G18/48—Polyethers
    • C08G18/50—Polyethers having heteroatoms other than oxygen
    • C08G18/5021—Polyethers having heteroatoms other than oxygen having nitrogen
    • C08G18/5024—Polyethers having heteroatoms other than oxygen having nitrogen containing primary and/or secondary amino 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
    • 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
    • C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
    • C08G18/76—Polyisocyanates or polyisothiocyanates cyclic aromatic
    • C08G18/7657—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings
    • C08G18/7664—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing alkylene polyphenyl groups
    • C08G18/7671—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing alkylene polyphenyl groups containing only one alkylene bisphenyl group
    • 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)
BR8402753A 1983-06-08 1984-06-07 Processo para preparacao de um elastomero moldado por injecao de reacao,e elastomero assim obtido BR8402753A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/502,397 US4448904A (en) 1983-06-08 1983-06-08 Reaction injection molded elastomer using a methylene bis(phenyliscoyanate) containing 2,4' isomer in amounts greater than about 10 percent

Publications (1)

Publication Number Publication Date
BR8402753A true BR8402753A (pt) 1985-05-14

Family

ID=23997636

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8402753A BR8402753A (pt) 1983-06-08 1984-06-07 Processo para preparacao de um elastomero moldado por injecao de reacao,e elastomero assim obtido

Country Status (4)

Country Link
US (1) US4448904A (pt)
EP (1) EP0128691A3 (pt)
BR (1) BR8402753A (pt)
MX (1) MX164207B (pt)

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61106623A (ja) * 1984-10-30 1986-05-24 Ube Ind Ltd ラクタム共重合体の製法
US4552945A (en) * 1984-12-19 1985-11-12 The Dow Chemical Company Polyamide-polyurea polymers by the RIM process
US4843127A (en) * 1985-04-19 1989-06-27 Allied-Signal Inc. Reactive elastomeric block co-oligomer and lactam-block copolymers derived therefrom
US4667009A (en) * 1985-09-25 1987-05-19 The Dow Chemical Company Polymethylene polyphenylamine modified diamine chain extenders in polyurea elastomers
US4689356A (en) * 1985-12-10 1987-08-25 The Dow Chemical Company Polyurethane elastomers prepared in a two-step process using mixtures of chain extenders
DE3782076T2 (de) * 1986-03-26 1993-04-15 Ici Plc Verwendung von polymerpolyaminen fuer die herstellung von polyurethan/polyharnstoffen oder polyharnstoffen.
US4900760A (en) * 1987-06-16 1990-02-13 Mobay Corporation Flexible polyurethane foam prepared from a novel polyisocyanate mixture
US4822517A (en) * 1987-06-16 1989-04-18 Mobay Corporation Novel polyisocyanate mixture
US4902777A (en) * 1987-06-30 1990-02-20 Union Carbide Chemicals And Plastics Company, Inc. N-(polyoxyalkyl)-n-(alkyl)amines
US4902768A (en) * 1987-06-30 1990-02-20 Union Carbide Chemicals And Plastics Company Inc. Elastomers prepared from N-(polyoxyalkyl)-N-(alkyl)amines
US4904705A (en) * 1987-06-30 1990-02-27 Union Carbide Chemicals And Plastics Company Inc. Polyurea foams made from N-(polyoxyalkyl)-N-(alkyl)amines
DE3802427A1 (de) * 1987-10-06 1989-08-03 Bayer Ag Verfahren zur herstellung von formkoerpern oder folien
US5118728A (en) * 1988-10-24 1992-06-02 Texaco Chemical Company Spray polyurea elastomers using chopped glass roving
US5171818A (en) * 1990-03-23 1992-12-15 Bruce Wilson Sprayable aliphatic polyurea-polyurethane coating compositions and methods
US5200435A (en) * 1991-09-11 1993-04-06 The Dow Chemical Company Composition of flexible polyurethane foams blown using reduced amouns of chlorofluorocarbon blowing agents and method for preparation
US5164423A (en) * 1991-09-11 1992-11-17 The Dow Chemical Company Composition of flexible polyurethane foams below using reduced amounts of chlorofluorocarbone blowing agents and method for preparation
CA2117741A1 (en) * 1993-10-28 1995-04-29 Michael F. Hurley Rim process utilizing isocyanates based upon 2,4'-and 4,4'- diphenylmethane diisocyanate
US5350778A (en) * 1993-10-28 1994-09-27 Miles Inc. Polyisocyanate based upon 4,4'- and 2,4'-diphenylmethane diisocyanates and use thereof in a rim process
CA2117740A1 (en) * 1993-10-28 1995-04-29 Michael F. Hurley Polyisocyanate based upon 4,4'-and 2,4'-diphenylmethane diisocyanates and use thereof in a rim process
US5731397A (en) * 1996-04-16 1998-03-24 Huntman Petrochemical Corporation Polyurea spray railcar lining systems
US5962618A (en) * 1997-04-16 1999-10-05 Huntsman Petrochemical Corporation Polyurea spray railcar lining systems
US6482913B1 (en) 2000-02-07 2002-11-19 Bayer Aktiengesellschaft Liquid MDI adducts wtih improved freeze stability
BR0114368A (pt) * 2000-10-02 2003-12-09 Huntsman Int Llc Processo para preparar um elastÈmero de poliuréia, e, elastÈmero de poliuréia
US6376567B1 (en) 2000-12-07 2002-04-23 Bayer Corporation Polyisocyanate compositions and a process for the production of low-density flexible foams with low humid aged compression sets from these polyisocyanate compositions
US6777026B2 (en) * 2002-10-07 2004-08-17 Lord Corporation Flexible emissive coatings for elastomer substrates
US20040077773A1 (en) * 2002-07-12 2004-04-22 Tavares Manuel J Low viscosity, flexible, hydrolytically stable potting compounds
US20060266472A1 (en) * 2005-05-06 2006-11-30 Kipp Michael D Vacuum bagging methods and systems
US20080008836A1 (en) * 2006-05-01 2008-01-10 Kipp Michael D Method for extending the useful life of mold type tooling
WO2008048657A2 (en) * 2006-10-17 2008-04-24 American Consulting Technology & Research, Inc. Method for enhancing the sealing potential of formable, disposable tooling materials
US20080106007A1 (en) * 2006-10-17 2008-05-08 Kipp Michael D Resin infusion process utilizing a reusable vacuum bag
WO2008070110A1 (en) * 2006-12-04 2008-06-12 American Consulting Technology & Research, Inc. Shrinkable film barrier for mandrel tooling members
US20080182054A1 (en) * 2007-01-09 2008-07-31 Ridges Michael D Multi-function vacuum bag for composite part manufacture
US20090156777A1 (en) 2007-12-17 2009-06-18 Nodelman Neil H Freeze-stable aromatic diisocyanates and processes for the preparation of these freeze-stable products
US8373657B2 (en) 2008-08-15 2013-02-12 Qualcomm Incorporated Enhanced multi-touch detection
TR201908393T4 (tr) 2015-06-24 2019-07-22 Covestro Deutschland Ag Rüzgar türbinlerindeki katmanlı yapılar için poliüretan sistemleri.

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3362979A (en) * 1964-01-02 1968-01-09 Jefferson Chem Co Inc Mixtures of methylene-bridged polyphenyl polyisocyanates
US3394164A (en) * 1965-10-24 1968-07-23 Upjohn Co Stabilized methylenebis-(phenyl isocyanate) compositions
US3838076A (en) * 1973-03-12 1974-09-24 Jefferson Chem Co Inc Polyurethane foams from partially aminated polyether polyols
DE2623401C3 (de) * 1976-05-25 1981-07-16 Bayer Ag, 5090 Leverkusen Verfahren zur lösungsmittelfreien Herstellung von massiven Kunststoff-Formteilen
GB1505220A (en) * 1976-06-08 1978-03-30 Texaco Development Corp Method for preparing polyurethane elastomers having sag resistance
US4246363A (en) * 1979-06-18 1981-01-20 The Dow Chemical Company Reaction injection molded polyurethanes having particular flexural modulus factors and at least two thermal transition temperatures in a particular range
US4269945A (en) * 1980-01-24 1981-05-26 The Dow Chemical Company Reaction injection molded polyurethanes employing aliphatic amine chain extenders
DE3147736A1 (de) * 1981-12-02 1983-06-09 Bayer Ag, 5090 Leverkusen Verfahren zur herstellung von elastischen formkoerpern
US4396729A (en) * 1982-04-23 1983-08-02 Texaco Inc. Reaction injection molded elastomer containing an internal mold release made by a two-stream system

Also Published As

Publication number Publication date
US4448904A (en) 1984-05-15
MX164207B (es) 1992-07-23
EP0128691A2 (en) 1984-12-19
EP0128691A3 (en) 1986-04-30

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Legal Events

Date Code Title Description
B21A Expiry acc. art. 78, item i of ipl- expiry of the term of protection

Free format text: PATENTE EXTINTA EM 07/06/99