BR9004917A - Espuma flexivel de poliuretana e processo para a preparacao de uma espuma flexivel de poliuretana - Google Patents

Espuma flexivel de poliuretana e processo para a preparacao de uma espuma flexivel de poliuretana

Info

Publication number
BR9004917A
BR9004917A BR909004917A BR9004917A BR9004917A BR 9004917 A BR9004917 A BR 9004917A BR 909004917 A BR909004917 A BR 909004917A BR 9004917 A BR9004917 A BR 9004917A BR 9004917 A BR9004917 A BR 9004917A
Authority
BR
Brazil
Prior art keywords
polyurethane foam
flexible polyurethane
preparation
flexible
foam
Prior art date
Application number
BR909004917A
Other languages
English (en)
Inventor
Laura B Weaver
Original Assignee
Dow Chemical Co
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 Dow Chemical Co filed Critical Dow Chemical Co
Publication of BR9004917A publication Critical patent/BR9004917A/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
    • 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
    • C08G18/77—Polyisocyanates or polyisothiocyanates having heteroatoms in addition to the isocyanate or isothiocyanate nitrogen and oxygen or sulfur
    • C08G18/78—Nitrogen
    • C08G18/79—Nitrogen characterised by the polyisocyanates used, these having groups formed by oligomerisation of isocyanates or isothiocyanates
    • C08G18/797—Nitrogen characterised by the polyisocyanates used, these having groups formed by oligomerisation of isocyanates or isothiocyanates containing carbodiimide and/or uretone-imine 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
    • C08G18/08—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
    • C08G18/4009—Two or more macromolecular compounds not provided for in one single group of groups C08G18/42 - C08G18/64
    • C08G18/4072—Mixtures of compounds of group C08G18/63 with other macromolecular compounds
    • 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
    • C08G18/4833—Polyethers containing oxyethylene units
    • C08G18/4837—Polyethers containing oxyethylene units and other oxyalkylene units
    • C08G18/4841—Polyethers containing oxyethylene units and other oxyalkylene units containing oxyethylene end 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
    • C08G18/70—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
    • C08G2110/00—Foam properties
    • C08G2110/0008—Foam properties flexible
    • 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
    • C08G2110/00—Foam properties
    • C08G2110/0033—Foam properties having integral skins
    • 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
    • C08G2110/00—Foam properties
    • C08G2110/0041—Foam properties having specified density
    • C08G2110/0066—≥ 150kg/m3
    • 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
    • C08G2110/00—Foam properties
    • C08G2110/0083—Foam properties prepared using water as the sole blowing agent

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)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
BR909004917A 1989-09-29 1990-09-26 Espuma flexivel de poliuretana e processo para a preparacao de uma espuma flexivel de poliuretana BR9004917A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US41500889A 1989-09-29 1989-09-29

Publications (1)

Publication Number Publication Date
BR9004917A true BR9004917A (pt) 1991-09-10

Family

ID=23643968

Family Applications (1)

Application Number Title Priority Date Filing Date
BR909004917A BR9004917A (pt) 1989-09-29 1990-09-26 Espuma flexivel de poliuretana e processo para a preparacao de uma espuma flexivel de poliuretana

Country Status (5)

Country Link
EP (1) EP0420273A3 (pt)
JP (1) JPH03124741A (pt)
KR (1) KR910006357A (pt)
BR (1) BR9004917A (pt)
CA (1) CA2026550A1 (pt)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU636191B2 (en) * 1990-02-01 1993-04-22 Huntsman Ici Chemicals Llc Manufacturing of polymeric foams from polyisocyanate compositions
US5104693A (en) * 1990-12-20 1992-04-14 The Dow Chemical Company Polyurethane carpet-backing process based on soft segment prepolymers of diphenylmethane diisocyanate (MDI)
JP2810595B2 (ja) * 1991-07-30 1998-10-15 サンスター技研株式会社 ウレタンプレポリマー組成物
US5491175A (en) * 1992-04-10 1996-02-13 The Dow Chemical Company Polyurethane foam molding
US5621016A (en) * 1992-04-16 1997-04-15 Imperial Chemical Industries Plc Polyisocyanate compositions and low density flexible polyurethane foams produced therewith
TW290564B (pt) * 1994-06-16 1996-11-11 Ici Plc
DE19618392A1 (de) * 1996-05-08 1997-11-13 Basf Ag Verfahren zur Herstellung von elastischen Polyurethan-Formkörpern mit kompakter Oberfläche und zelligem Kern
CN1246872A (zh) * 1997-02-10 2000-03-08 亨茨曼Ici化学品有限公司 新型异氰酸酯封端预聚物
US6031010A (en) * 1997-08-11 2000-02-29 Imperial Chemical Industries Plc Polyurethane foam composition having improved flex fatigue
EP0961375B1 (en) * 1998-03-27 2001-05-16 Bertoldo & C. Srl A liquid-tight coupling for boxes for electric material
KR100435223B1 (ko) * 2001-07-12 2004-06-09 (주)트윈 세이버 폴리우레탄 쿠션제품의 제조방법
ATE427331T1 (de) * 2005-10-29 2009-04-15 Basf Se Zusammensetzung und verfahren zur herstellung von polyurethan weichschaumstoffen fur abdichtungen
WO2012163377A1 (en) * 2011-06-03 2012-12-06 Gardena Manufacturing Gmbh Shock absorbing member for an outdoor tool
CN103608373A (zh) * 2011-06-22 2014-02-26 陶氏环球技术有限责任公司 用于高温应用的聚氨酯泡沫弹性体
CN109836551B (zh) * 2019-01-28 2021-12-10 上海鸿得聚氨酯有限公司 一种聚氨酯运动防护泡沫衬垫组合物及其制备方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0022617B2 (en) * 1979-07-11 1991-09-25 Imperial Chemical Industries Plc Polyisocyanate compositions and their use in the preparation of polyurethane foams
DE3241450A1 (de) * 1982-11-10 1984-05-10 Basf Ag, 6700 Ludwigshafen Fluessige urethangruppen enthaltende polyisocyanatmischungen auf diphenylmethan-diisocyanat-basis, verfahren zu deren herstellung und deren verwendung zur herstellung von polyurethan-weichschaumstoffen
US4640953A (en) * 1984-07-03 1987-02-03 Hercules Incorporated Precoat resin dispersion for tufted carpets
GB8701372D0 (en) * 1987-01-22 1987-02-25 Bp Chem Int Ltd Storage stable isocyanate prepolymers

Also Published As

Publication number Publication date
EP0420273A2 (en) 1991-04-03
KR910006357A (ko) 1991-04-29
EP0420273A3 (en) 1991-07-24
CA2026550A1 (en) 1991-03-30
JPH03124741A (ja) 1991-05-28

Similar Documents

Publication Publication Date Title
BR8806966A (pt) Espuma de poliuretana flexivel e processo para sua fabricacao
PT90673A (pt) Processo para a preparacao de uma espuma de poliuretano flexivel
BR9509743A (pt) Processo para a preparação de espumas flexíveis composição e artigo absorvente
BR8707176A (pt) Composicao de polixiloxano-polioxialquileno,processo para preparar espuma de poliuretano flexivel;e espuma de poliuretano
BR8703178A (pt) Processo para a preparacao de elastomeros de poliuretana e corpos moldados
DE68926107D1 (de) Elastischer polyurethanschaum und verfahren zur herstellung
BR8701104A (pt) Processo para a preparacao de uma poliuretana celular
BR9003472A (pt) Espuma de poliuretana-poliisocianurato rigida e processo para preparar uma espuma de poliuretana-poliisocianurato rigida
BR9206018A (pt) Agente de expansão e processo para a produção de espuma de poliuretano
PT82904B (pt) Processo para a preparacao de espumas rigidas de poliuretano
BR8902248A (pt) Poliuretano e processo para a preparacao do mesmo
BR9608507A (pt) Processo para a preparação de espuma rigida de poliuretano processo para preparar uma espuma flexível de poliuretano sistema de reação e espuma flexível de poliuretano
BR9001314A (pt) Processo para preparacao de uma composicao de borracha e composicao de borracha
BR9004917A (pt) Espuma flexivel de poliuretana e processo para a preparacao de uma espuma flexivel de poliuretana
BR9704347A (pt) Processo para a produção de uma espuma de poliuretano rígida e uma composição para a produção de uma espuma de poliuretano rígida
BR9002865A (pt) Processo para preparar uma espuma de poliuretano e espuma de poliuretano
BR8902310A (pt) Processo para a preparacao de dialquil dissulfetos e polissulfetos
BR9003296A (pt) Turbomaquina e processo para a operacao de uma turbomaquina
BR8701044A (pt) Processo para a preparacao de materias plasticas de poliuretana
EP0409035A3 (en) Process for the preparation of flexible polyester polyurethane foams
PT937109E (pt) Processo para a preparacao de espumas rigidas e flexiveis de poliuretano
BR9007797A (pt) Processo para fabricacao de borracha de nitrila e borracha reduzida
PT86177A (pt) Processo para a preparacao de artigos de espuma de poliuretana tendo zonas de dureza diferente
BR9611078A (pt) Processo para a preparação de uma espuma rígida de poliuretano ou polisiiocianato modificado com uretano e espuma rigida de poliuretano ou poliisocianato modificado com uretano
PT90435A (pt) Processo aperfeicoado para a preparacao de uma cetimina

Legal Events

Date Code Title Description
FD3 Appl. lapsed due to non-payment of renewal fee