BR0003942A - Copolìmeros de silicone poliéter e seu uso em espumas de poliuretano flexìveis moldadas - Google Patents

Copolìmeros de silicone poliéter e seu uso em espumas de poliuretano flexìveis moldadas

Info

Publication number
BR0003942A
BR0003942A BR0003942-0A BR0003942A BR0003942A BR 0003942 A BR0003942 A BR 0003942A BR 0003942 A BR0003942 A BR 0003942A BR 0003942 A BR0003942 A BR 0003942A
Authority
BR
Brazil
Prior art keywords
polyurethane foams
group
polyether silicone
silicone copolymers
average value
Prior art date
Application number
BR0003942-0A
Other languages
English (en)
Inventor
Allen Robert Arnold Jr
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 BR0003942A publication Critical patent/BR0003942A/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/0061—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof characterized by the use of several polymeric components
    • 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
    • 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
    • C08G77/04—Polysiloxanes
    • C08G77/38—Polysiloxanes modified by chemical after-treatment
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2375/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
    • C08J2375/04—Polyurethanes
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2483/00—Characterised by the use 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; Derivatives of such polymers

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • General Chemical & Material Sciences (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 SILICONE POLIéTER E SEU USO EM ESPUMAS DE POLIURETANO FLEXìVEIS MOLDADAS"<D>. A presente invenção refere-se a tensoativos de copolímero de silicone poliéter que são úteis como estabilizadores de células em espumas de poliuretano flexíveis moldadas que apresentam a fórmula Me~ 3~Si(OSiMe~ 2~)~ x~(OSiMeG)~ y~OSiMe~ 3~ onde G é um grupo que apresenta a fórmula -D(OR")~ m~A onde D é um radical de ligação orgânico divalente, R" é um grupo alquileno, x tem um valor médio de 1 a 4,5 e y tem um valor médio de 0,75 a 7,5, o valor de x/y é de 0,25 a 5 e o valor de x+ y é maior que 5 a 9, m tem um valor médio de 1a 5, e A denota um grupo -OR''' ou um grupo -OOCR''', onde R'''é selecionado de metila, etila ou uma combinação de metila e etila.
BR0003942-0A 1999-09-01 2000-08-31 Copolìmeros de silicone poliéter e seu uso em espumas de poliuretano flexìveis moldadas BR0003942A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US38825499A 1999-09-01 1999-09-01

Publications (1)

Publication Number Publication Date
BR0003942A true BR0003942A (pt) 2001-04-03

Family

ID=23533337

Family Applications (1)

Application Number Title Priority Date Filing Date
BR0003942-0A BR0003942A (pt) 1999-09-01 2000-08-31 Copolìmeros de silicone poliéter e seu uso em espumas de poliuretano flexìveis moldadas

Country Status (5)

Country Link
EP (1) EP1081177A1 (pt)
JP (1) JP2001106789A (pt)
KR (1) KR20010050300A (pt)
CN (1) CN1286277A (pt)
BR (1) BR0003942A (pt)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6235804B1 (en) * 1999-12-23 2001-05-22 Air Products And Chemicals, Inc. Silicone surfactants for making polyurethane flexible molded foams
CN101011062B (zh) * 2007-02-06 2010-05-19 张家港市骏博化工有限公司 一种有机硅农药增效剂及其制备方法
DE102010063237A1 (de) * 2010-12-16 2012-06-21 Evonik Goldschmidt Gmbh Siliconstabilisatoren für Polyurethan- oder Polyisocyanurat-Hartschaumstoffe
CN110982106A (zh) * 2019-12-27 2020-04-10 江苏美思德化学股份有限公司 一种有机硅表面活性剂、软质聚氨酯泡沫及其制备方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5198474A (en) * 1992-06-30 1993-03-30 Union Carbide Chemicals & Plastics Technology Corporation Silicone surfactants having t-butyl terminated polyether pendants for use in high resilience polyurethane foam
JPH08295752A (ja) * 1995-04-26 1996-11-12 Nippon Unicar Co Ltd ポリウレタンフォーム製造用破泡剤

Also Published As

Publication number Publication date
KR20010050300A (ko) 2001-06-15
CN1286277A (zh) 2001-03-07
JP2001106789A (ja) 2001-04-17
EP1081177A1 (en) 2001-03-07

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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