BR0006267A - Silicone polyether copolymers useful for the manufacture of flexible molded polyurethane foams - Google Patents

Silicone polyether copolymers useful for the manufacture of flexible molded polyurethane foams

Info

Publication number
BR0006267A
BR0006267A BR0006267-7A BR0006267A BR0006267A BR 0006267 A BR0006267 A BR 0006267A BR 0006267 A BR0006267 A BR 0006267A BR 0006267 A BR0006267 A BR 0006267A
Authority
BR
Brazil
Prior art keywords
group
polyurethane foams
molded polyurethane
flexible molded
manufacture
Prior art date
Application number
BR0006267-7A
Other languages
Portuguese (pt)
Inventor
Allen Robert Arnold
David Robert Battice
John Herbert Frey
Original Assignee
Dow Corning
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 Corning filed Critical Dow Corning
Publication of BR0006267A publication Critical patent/BR0006267A/en

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
    • C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
    • C08G77/42—Block-or graft-polymers containing polysiloxane sequences
    • C08G77/46—Block-or graft-polymers containing polysiloxane sequences containing polyether sequences
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L83/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon only; Compositions of derivatives of such polymers
    • C08L83/10—Block- or graft-copolymers containing polysiloxane sequences

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)
  • Silicon Polymers (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)

Abstract

Patente de Invenção: <B>"COPOLìMEROS DE POLIéTER DE SILICONE úTEIS PARA A FABRICAçãO DE ESPUMAS MOLDADAS FLEXìVEIS DE POLIURETANO"<D>. Um método para a preparação de espumas moldadas flexíveis de poliuretano por meio da reação de um poliisocianato orgânico com um poliol na presença de um catalisador de uretano, água como um agente de sopro, opcionalmente um abridor de célula, e um estabilizador de célula tensoativo de silicone tendo a fórmula: Me~ 3~Si(OsiMe~ 2~)~ x~(OsiMeG)~ Y~OSiMe~ 3~ na qual G é um grupo tendo a fórmula -D(OR")m^ A^ onde D é um radical de ligação orgânico divalente, R" é um grupo alquileno, m tem um valor médio de 1 a 5, A indica um grupo -OR''' ou um grupo -OOCR''', onde R"" é selecionado a partir do grupo que consiste em metila, etila, e uma combinação de metila e etila, x tem um valor médio de 1 a 3 e y tem um valor médio de 0,25 a 1, o valor de x/y é de 2,5 a 5 e o valor de x+y é de 1,5 a 3,5.Invention Patent: <B> "SILICON POLYETHER COPOLIMERS USEFUL FOR THE MANUFACTURE OF FLEXIBLE MOLDED POLYURETHANE FOAMS" <D>. A method for preparing flexible molded polyurethane foams by reacting an organic polyisocyanate with a polyol in the presence of a urethane catalyst, water as a blowing agent, optionally a cell opener, and a cell surfactant stabilizer. silicone having the formula: Me ~ 3 ~ Si (OsiMe ~ 2 ~) ~ x ~ (OsiMeG) ~ Y ~ OSiMe ~ 3 ~ in which G is a group having the formula -D (OR ") m ^ A ^ where D is a divalent organic bonding radical, R "is an alkylene group, m has an average value of 1 to 5, A indicates a group -OR '' 'or a group -OOCR' '', where R" "is selected a from the group consisting of methyl, ethyl, and a combination of methyl and ethyl, x has an average value of 1 to 3 and y has an average value of 0.25 to 1, the value of x / y is 2.5 to 5 and the value of x + y is 1.5 to 3.5.

BR0006267-7A 1999-12-23 2000-12-22 Silicone polyether copolymers useful for the manufacture of flexible molded polyurethane foams BR0006267A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US47155899A 1999-12-23 1999-12-23

Publications (1)

Publication Number Publication Date
BR0006267A true BR0006267A (en) 2001-09-18

Family

ID=23872076

Family Applications (1)

Application Number Title Priority Date Filing Date
BR0006267-7A BR0006267A (en) 1999-12-23 2000-12-22 Silicone polyether copolymers useful for the manufacture of flexible molded polyurethane foams

Country Status (3)

Country Link
JP (1) JP2001181397A (en)
KR (1) KR20010057579A (en)
BR (1) BR0006267A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4596211B2 (en) * 2001-06-15 2010-12-08 ソニー株式会社 Image processing apparatus and method, recording medium, and program
JP4660980B2 (en) * 2001-06-15 2011-03-30 ソニー株式会社 Image processing apparatus and method, recording medium, and program
JP4596213B2 (en) * 2001-06-15 2010-12-08 ソニー株式会社 Image processing apparatus and method, recording medium, and program
JP4279115B2 (en) * 2003-10-23 2009-06-17 日華化学株式会社 Method for producing porous structure, artificial leather and synthetic leather

Also Published As

Publication number Publication date
JP2001181397A (en) 2001-07-03
KR20010057579A (en) 2001-07-04

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Legal Events

Date Code Title Description
B11A Dismissal acc. art.33 of ipl - examination not requested within 36 months of filing
B11Y Definitive dismissal acc. article 33 of ipl - extension of time limit for request of examination expired