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BR8704385A - Espuma flexivel de poliuretana e metodo para preparar a mesma - Google Patents

Espuma flexivel de poliuretana e metodo para preparar a mesma

Info

Publication number
BR8704385A
BR8704385A BR8704385A BR8704385A BR8704385A BR 8704385 A BR8704385 A BR 8704385A BR 8704385 A BR8704385 A BR 8704385A BR 8704385 A BR8704385 A BR 8704385A BR 8704385 A BR8704385 A BR 8704385A
Authority
BR
Brazil
Prior art keywords
preparing
same
polyurethane foam
flexible polyurethane
flexible
Prior art date
Application number
BR8704385A
Other languages
English (en)
Inventor
John F Serratelli
Robert Burton Turner
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 BR8704385A publication Critical patent/BR8704385A/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
    • C08G18/28—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
    • C08G18/4804—Two or more polyethers of different physical or chemical nature
    • 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
    • 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
    • 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
    • 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
    • C08G2110/0041—Foam properties having specified density

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)
BR8704385A 1986-08-27 1987-08-26 Espuma flexivel de poliuretana e metodo para preparar a mesma BR8704385A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US90108586A 1986-08-27 1986-08-27

Publications (1)

Publication Number Publication Date
BR8704385A true BR8704385A (pt) 1988-04-19

Family

ID=25413579

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8704385A BR8704385A (pt) 1986-08-27 1987-08-26 Espuma flexivel de poliuretana e metodo para preparar a mesma

Country Status (9)

Country Link
EP (1) EP0257441A3 (pt)
JP (1) JPS6361014A (pt)
KR (1) KR900005052B1 (pt)
AU (1) AU7725787A (pt)
BR (1) BR8704385A (pt)
DK (1) DK449587A (pt)
NO (1) NO873597L (pt)
NZ (1) NZ221516A (pt)
ZA (1) ZA875927B (pt)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3703739A1 (de) * 1987-02-07 1988-08-18 Bayer Ag Verfahren zur herstellung von formkoerpern, hierzu geeignete gemische von gegenueber isocyanatgruppen reaktionsfaehigen verbindungen und die nach dem verfahren erhaltenen formkoerper
NZ226008A (en) * 1987-09-21 1990-11-27 Ici Plc Process for manufacture of polyurethane foams using methylene diphenyl isocyanates and optionally water as blowing agent
JPH02286707A (ja) * 1989-04-28 1990-11-26 Achilles Corp 高伸張性軟質ポリウレタンフォームの製造方法
US5010117A (en) * 1989-06-16 1991-04-23 Dow Chemical Company Flexible polyurethane foams prepared using low unsaturation polyether polyols
US5621016A (en) * 1992-04-16 1997-04-15 Imperial Chemical Industries Plc Polyisocyanate compositions and low density flexible polyurethane foams produced therewith
GB9325043D0 (en) † 1993-12-07 1994-02-02 Polyol Int Bv Polyol compositions and their use in the preparation of high resilience polyurethane foams
US5618967A (en) * 1995-10-30 1997-04-08 Basf Corporation Isocyanate composition
US5658959A (en) * 1995-10-30 1997-08-19 Basf Corporation Water blown integral skin polyurethane composition
US5624966A (en) * 1995-10-30 1997-04-29 Basf Corporation Process of making an integral skin polyurethane article
US5672632A (en) * 1995-10-30 1997-09-30 Basf Corporation Integral skin polyurethane molded articles
KR100510881B1 (ko) * 2002-10-23 2005-08-25 대한민국 폐기될 폴리우레탄 발포재의 액화방법 및 동 액화물을이용한 폴리우레탄 발포재의 제조방법
JP4897082B2 (ja) * 2008-04-25 2012-03-14 トーヨーポリマー株式会社 ポリウレタン発泡体及び研磨パッド
US8901187B1 (en) 2008-12-19 2014-12-02 Hickory Springs Manufacturing Company High resilience flexible polyurethane foam using MDI
US8906975B1 (en) 2009-02-09 2014-12-09 Hickory Springs Manufacturing Company Conventional flexible polyurethane foam using MDI
CA2800374C (en) * 2011-02-11 2016-01-05 Jiangsu Healthcare Co., Ltd An mdi system non-temperature sensitive memory sponge suitable for flat foam foaming process

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1479658A (en) * 1975-04-02 1977-07-13 Ici Ltd Polyurethane foams
IT1058146B (it) * 1975-04-21 1982-04-10 Dow Chemical Co Procedimento per produrre espansi poliuretanici flessibili

Also Published As

Publication number Publication date
NO873597D0 (no) 1987-08-26
ZA875927B (en) 1989-04-26
EP0257441A3 (en) 1988-09-14
NZ221516A (en) 1990-04-26
KR900005052B1 (ko) 1990-07-19
NO873597L (no) 1988-02-29
KR880002910A (ko) 1988-05-12
DK449587A (da) 1988-02-28
DK449587D0 (da) 1987-08-27
JPS6361014A (ja) 1988-03-17
AU7725787A (en) 1988-03-03
EP0257441A2 (en) 1988-03-02

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