GB1104606A - Improvements in flame retardent organopolysiloxane compositions - Google Patents

Improvements in flame retardent organopolysiloxane compositions

Info

Publication number
GB1104606A
GB1104606A GB2112266A GB2112266A GB1104606A GB 1104606 A GB1104606 A GB 1104606A GB 2112266 A GB2112266 A GB 2112266A GB 2112266 A GB2112266 A GB 2112266A GB 1104606 A GB1104606 A GB 1104606A
Authority
GB
United Kingdom
Prior art keywords
radicals
aryl
siloxane
pts
halo
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
Application number
GB2112266A
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
Publication of GB1104606A publication Critical patent/GB1104606A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/34—Silicon-containing compounds
    • C08K3/36—Silica
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
    • C08K13/02—Organic and inorganic ingredients

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Organic Insulating Materials (AREA)

Abstract

A rubber-forming composition comprises by weight: (1) 100 pts of a siloxane gum in which the organic radicals are methyl radicals and optionally radicals selected from vinyl, aryl and halo-aryl radicals, of which not more than 35% of the total radicals are aryl or halo-aryl radicals and not more than 2% are vinyl radicals, there being from 1.98 to 2.05 organic radicals per Si atom; (2) a finely divided, non-alkaline, inorganic filler in amount of 10 to 300 pts.; and (3) 3 to 250 p.p.m. of Pt as a Pt-containing material, based on the siloxane. Fillers specified are silica (fume and aerogel), ground quartz and organosilicon-treated silicas, which can be used alone or in admixture with one another or with C black, diatomaceous earth or TiO2. Pt materials specified are Pt on charcoal, alumina, silica gel or asbestos, H2PtCl6.6H2O, alone or eomplexed with alcohols, ethers or aldehydes, and complexes of PtCl2 with olefins or cyclopropane, and these, in conjunction with the fillers, act as flame retardants. In typical examples (1-5), a series of rubbers was made by mixing a dimethyl-siloxane gum with SiO2 aerogel, H2PtCl6.6H2O and benzoyl peroxide, with subsequent press-curing, and the flame-retardant properties of the resulting rubbers were evaluated. Uses: for electrical insulation, gaskets, heater ducts and wrap-round tapes for elements.
GB2112266A 1965-06-14 1966-05-12 Improvements in flame retardent organopolysiloxane compositions Expired GB1104606A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US46389865A 1965-06-14 1965-06-14

Publications (1)

Publication Number Publication Date
GB1104606A true GB1104606A (en) 1968-02-28

Family

ID=23841730

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2112266A Expired GB1104606A (en) 1965-06-14 1966-05-12 Improvements in flame retardent organopolysiloxane compositions

Country Status (2)

Country Link
DE (1) DE1285737B (en)
GB (1) GB1104606A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6291556B1 (en) 1999-03-26 2001-09-18 Shin-Etsu Chemical Co., Ltd. Semiconductor encapsulating epoxy resin composition and semiconductor device
US6630745B1 (en) 1999-04-26 2003-10-07 Shin-Etsu Chemical Co., Ltd. Semiconductor encapsulating epoxy resin composition and semiconductor device
CN114045151A (en) * 2021-11-26 2022-02-15 广州市白云化工实业有限公司 Flame-retardant silicone sealant and preparation method thereof

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1051001B (en) * 1959-02-19 General Electric Company, New York, N. Y. (V. St. A.) Use of copper or copper-containing substances as a flame-retardant agent for organopolysiloxanes which can be hardened to form elastomers
US3031430A (en) * 1959-12-10 1962-04-24 Gen Electric Metal carbide containing silicone rubbers

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6291556B1 (en) 1999-03-26 2001-09-18 Shin-Etsu Chemical Co., Ltd. Semiconductor encapsulating epoxy resin composition and semiconductor device
US6630745B1 (en) 1999-04-26 2003-10-07 Shin-Etsu Chemical Co., Ltd. Semiconductor encapsulating epoxy resin composition and semiconductor device
US7095125B2 (en) 1999-04-26 2006-08-22 Shin-Etsu Chemical Co., Ltd. Semiconductor encapsulating epoxy resin composition and semiconductor device
CN114045151A (en) * 2021-11-26 2022-02-15 广州市白云化工实业有限公司 Flame-retardant silicone sealant and preparation method thereof

Also Published As

Publication number Publication date
DE1285737B (en) 1968-12-19

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