GB788653A - Improvements in or relating to silicone rubber - Google Patents

Improvements in or relating to silicone rubber

Info

Publication number
GB788653A
GB788653A GB10414/54A GB1041454A GB788653A GB 788653 A GB788653 A GB 788653A GB 10414/54 A GB10414/54 A GB 10414/54A GB 1041454 A GB1041454 A GB 1041454A GB 788653 A GB788653 A GB 788653A
Authority
GB
United Kingdom
Prior art keywords
tin
organo
dimethylpolysiloxane
radicals
butyl
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
GB10414/54A
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.)
Wacker Chemie AG
Original Assignee
Wacker Chemie AG
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 Wacker Chemie AG filed Critical Wacker Chemie AG
Publication of GB788653A publication Critical patent/GB788653A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • C08G77/14—Polysiloxanes containing silicon bound to oxygen-containing groups
    • C08G77/16—Polysiloxanes containing silicon bound to oxygen-containing groups to hydroxyl 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
    • C08G77/20—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
    • C08G77/70—Siloxanes defined by use of the MDTQ nomenclature
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/04—Oxygen-containing compounds
    • C08K5/14—Peroxides
    • 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
    • C08K5/00—Use of organic ingredients
    • C08K5/56—Organo-metallic compounds, i.e. organic compounds containing a metal-to-carbon bond
    • C08K5/57—Organo-tin compounds
    • 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2666/00—Composition of polymers characterized by a further compound in the blend, being organic macromolecular compounds, natural resins, waxes or and bituminous materials, non-macromolecular organic substances, inorganic substances or characterized by their function in the composition
    • C08L2666/54—Inorganic substances

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)

Abstract

A vulcanizable composition comprises a silicone, a filler, a vulcanizing agent and an organo-tin compound in amount, e.g. of 0.1 to 2.0 per cent by weight of the silicone. As silicones there are used highly viscous or rubbery polymeric siloxanes, silmethylenes or siloxane-silmethylenes. Organo-tin compounds specified are polymeric organo-tin oxides and hexaorgano-distannoxanes in which the organic radicals may be, e.g. ethyl, propyl, isopropyl, butyl, isobutyl, t-butyl or phenyl radicals and the terminal radicals may be alkyl, aryl, alkenyl, hydroxyl or carboxyl radicals; tin alkoxides, e.g. dibutyl-butoxy tin; organo-tin carboxylates of monobasic or polybasic saturated or unsaturated carboxylic acids; reaction products of organo-tin halides with compounds containing a methylene group activated by a vicinal -CO, -NH2, -CN or -SO2 group; tin salts of carboxylic acids, e.g. tin-stearate, -palmitate, -oleate, -ricinoleate, and -chelate. In examples, rubbers were made from compositions of (1) a dimethylpolysiloxane, silica, titania, benzoyl peroxide and polymeric dibutyl-tin oxide in methylene chloride; (2) dimethylpolysiloxane, kieselguhr, t-butyl perbenzoate and hexabutyl distannoxane; (3) dimethylpolysiloxane, titania, silicic acid, benzoylperoxide and the reaction product of diethyl tin oxide and diethyl-dichloro-stannane; and (4) dimethylpolysiloxane, silica, benzoyl peroxide and tin stearate.
GB10414/54A 1953-05-23 1954-04-08 Improvements in or relating to silicone rubber Expired GB788653A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE788653X 1953-05-23

Publications (1)

Publication Number Publication Date
GB788653A true GB788653A (en) 1958-01-08

Family

ID=6699506

Family Applications (1)

Application Number Title Priority Date Filing Date
GB10414/54A Expired GB788653A (en) 1953-05-23 1954-04-08 Improvements in or relating to silicone rubber

Country Status (1)

Country Link
GB (1) GB788653A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3243403A (en) * 1961-02-27 1966-03-29 Thiokol Chemical Corp Cure compositions for polysulfide polymeric materials

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3243403A (en) * 1961-02-27 1966-03-29 Thiokol Chemical Corp Cure compositions for polysulfide polymeric materials

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