ES2078372T3 - Reduccion de la densidad de espumas de silicona utilizando tampones. - Google Patents

Reduccion de la densidad de espumas de silicona utilizando tampones.

Info

Publication number
ES2078372T3
ES2078372T3 ES91104086T ES91104086T ES2078372T3 ES 2078372 T3 ES2078372 T3 ES 2078372T3 ES 91104086 T ES91104086 T ES 91104086T ES 91104086 T ES91104086 T ES 91104086T ES 2078372 T3 ES2078372 T3 ES 2078372T3
Authority
ES
Spain
Prior art keywords
approximately
parts
mixture
silicone
density
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
ES91104086T
Other languages
English (en)
Inventor
Donald Scott Johnson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
General Electric Co
Original Assignee
General Electric 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 General Electric Co filed Critical General Electric Co
Application granted granted Critical
Publication of ES2078372T3 publication Critical patent/ES2078372T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • C08J9/02—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by the reacting monomers or modifying agents during the preparation or modification of macromolecules
    • 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
    • C08L83/04—Polysiloxanes
    • 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
    • C08G77/045—Polysiloxanes containing less than 25 silicon atoms
    • 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
    • C08G77/12—Polysiloxanes containing silicon bound to hydrogen
    • 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
    • C08G77/20—Polysiloxanes containing silicon bound to unsaturated aliphatic 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
    • 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
    • C08G77/22—Polysiloxanes containing silicon bound to organic groups containing atoms other than carbon, hydrogen and oxygen
    • C08G77/24—Polysiloxanes containing silicon bound to organic groups containing atoms other than carbon, hydrogen and oxygen halogen-containing 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
    • 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
    • C08G77/44—Block-or graft-polymers containing polysiloxane sequences containing only polysiloxane 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
    • C08G77/70—Siloxanes defined by use of the MDTQ nomenclature
    • 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
    • C08J2383/00—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
    • C08J2383/04—Polysiloxanes

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)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

SE PRESENTA UN METODO PARA PREPARAR UNA ESPUMA DE SILICONA QUE TIENE UNA DENSIDAD REDUCIDA DE APROXIMADAMENTE 5 A 6 LIBRAS POR PIE CUBICO QUE COMPRENDE LA FASE DE AGITACION DE UNA MEZCLA DE INGREDIENTES QUE COMPRENDE (A) UNA COMPOSICION DE SILICONA QUE COMPRENDE EN PESO: (1) 100 PARTES DE UN POLIDIORGANOSILOXANO DE VINILO TERMINADO (2) APROXIMADAMENTE DE 0,5 A 5 PARTES EN PESO DE UNA DISOLUCION TAMPON ACUOSA QUE TIENE UN PH DEL ORDEN DE APROXIMADAMENTE DE 9 A 10; Y (3) APROXIMADAMENTE DE 25 A 140 PARTES POR MILION DE UN CATALIZADOR DE PLATINO; (B) APROXIMADAMENTE DE 2.5 A 20 PARTES DE UN POLISILOXANO DE HIDRURO SUSTANCIALMENTE LINEAL, (C) APROXIMADAMENTE DE 0,1 A 15 PARTES DE UN POLISILOXANO DE HIDRURO CICLICO; Y (D) APROXIMADAMENTE DE 0,1 A 5 PARTES DE UNA FUENTE DE HIDROXILO ELEGIDA ENTRE EL GRUPO CONSISTENTE EN AGUA ALCOHOL ORGANICO, O UNA MEZCLA DE LO ANTEDICHO.
ES91104086T 1990-04-02 1991-03-16 Reduccion de la densidad de espumas de silicona utilizando tampones. Expired - Lifetime ES2078372T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/503,355 US5011865A (en) 1990-04-02 1990-04-02 Reduction of silicone foam density using buffers

Publications (1)

Publication Number Publication Date
ES2078372T3 true ES2078372T3 (es) 1995-12-16

Family

ID=24001743

Family Applications (1)

Application Number Title Priority Date Filing Date
ES91104086T Expired - Lifetime ES2078372T3 (es) 1990-04-02 1991-03-16 Reduccion de la densidad de espumas de silicona utilizando tampones.

Country Status (8)

Country Link
US (1) US5011865A (es)
EP (1) EP0450374B1 (es)
JP (1) JPH0794569B2 (es)
KR (1) KR910018489A (es)
CA (1) CA2034337A1 (es)
DE (1) DE69112683T2 (es)
DK (1) DK0450374T3 (es)
ES (1) ES2078372T3 (es)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4983641A (en) * 1990-04-02 1991-01-08 General Electric Company Method for controlling the cure rate of silicone foam
GB9217151D0 (en) * 1992-08-13 1992-09-23 Dow Corning Organosiloxane elastomeric foams
US5436274A (en) * 1994-09-30 1995-07-25 General Electric Company Preparation of silicone foams of low density and small cell size
US5549858A (en) * 1995-02-08 1996-08-27 Manni-Kit, Inc. Silicone foam symmetrical inversion molding process
US5574073A (en) 1996-01-17 1996-11-12 Dow Corning Corporation Curable silicone compositions which are foams or elastomers
US5993590A (en) * 1997-07-01 1999-11-30 Manni-Kit, Inc. Method for coating objects with silicone
US9540551B2 (en) 2010-12-22 2017-01-10 Momentive Performance Materials Japan Llc Heat-curable polyorganosiloxane composition and use thereof
DE102015211172A1 (de) * 2015-06-17 2016-12-22 Wacker Chemie Ag Zyklenarme quarzhaltige Siliconzusammensetzungen

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4418157A (en) * 1983-03-17 1983-11-29 General Electric Company Low density silicone foam compositions and method for making
CA1267750A (en) * 1985-07-12 1990-04-10 Alexander Miutel Low density foams
US4851452A (en) * 1988-08-01 1989-07-25 General Electric Company Method for reducing silicone foam density and silicone foam compositions
US4840974A (en) * 1988-08-01 1989-06-20 General Electric Company Method for reducing silicone foam density and silicone foam compositions
US4879317A (en) * 1988-08-23 1989-11-07 General Electric Company Method for reducing silicone foam density and silicone foam compositions
US4983641A (en) * 1990-04-02 1991-01-08 General Electric Company Method for controlling the cure rate of silicone foam

Also Published As

Publication number Publication date
KR910018489A (ko) 1991-11-30
EP0450374B1 (en) 1995-09-06
US5011865A (en) 1991-04-30
EP0450374A3 (en) 1992-03-25
DK0450374T3 (da) 1996-01-29
EP0450374A2 (en) 1991-10-09
DE69112683T2 (de) 1996-04-25
DE69112683D1 (de) 1995-10-12
JPH04270737A (ja) 1992-09-28
CA2034337A1 (en) 1991-10-03
JPH0794569B2 (ja) 1995-10-11

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