GB1219752A - Vulcanisable organosilicon compositions - Google Patents

Vulcanisable organosilicon compositions

Info

Publication number
GB1219752A
GB1219752A GB2552767A GB2552767A GB1219752A GB 1219752 A GB1219752 A GB 1219752A GB 2552767 A GB2552767 A GB 2552767A GB 2552767 A GB2552767 A GB 2552767A GB 1219752 A GB1219752 A GB 1219752A
Authority
GB
United Kingdom
Prior art keywords
pellets
inch
silicone
fillers
rubber
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
GB2552767A
Inventor
Nigel Page
Geraint Michael Walters
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.)
Midland Silicones Ltd
Original Assignee
Midland Silicones Ltd
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 Midland Silicones Ltd filed Critical Midland Silicones Ltd
Priority to GB2552767A priority Critical patent/GB1219752A/en
Priority to DE19681769479 priority patent/DE1769479A1/en
Priority to FR1567578D priority patent/FR1567578A/fr
Publication of GB1219752A publication Critical patent/GB1219752A/en
Expired 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
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/12—Powdering or granulating
    • 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)
  • Compositions Of Macromolecular Compounds (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)

Abstract

1,219,752. Pelletized silicone-rubber-forming compositions. MIDLAND SILICONES Ltd. 20 May, 1968 [2 June, 1967], No. 25527/67. Heading C3T. A silicone rubber-forming composition comprising a vulcanizable diorganopolysiloxane and one or more fillers, and having a Williams plasticity of at least 200 (0À01 mm.), is formed into pellets having a minimum dimension of at least 0À1 inch. The maximum dimension of the pellets is preferably below 1 inch. Suitable standard organic groups in the polysiloxane and standard fillers and curing peroxides are listed (or cure may be by irradiation). The pellets may be prepared by cutting a preformed sheet, and dusting the pellets so formed. In examples, a dimethylpolysiloxane gum containing some methylvinylsiloxane units is mixed with a fume silica, and optionally diatomaceous earth, a low molecular weight hydroxy-terminated polydimethylsiloxane and 2:4-dichlorobenzoyl peroxide in a silicone oil; the mixture is sheeted, cut into pellets, and dusted with micronized mica or hydrated magnesium silicate.
GB2552767A 1967-06-02 1967-06-02 Vulcanisable organosilicon compositions Expired GB1219752A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB2552767A GB1219752A (en) 1967-06-02 1967-06-02 Vulcanisable organosilicon compositions
DE19681769479 DE1769479A1 (en) 1967-06-02 1968-05-29 Compounds based on organosilicon compounds that can be vulcanized to form silicone rubbers
FR1567578D FR1567578A (en) 1967-06-02 1968-05-30

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2552767A GB1219752A (en) 1967-06-02 1967-06-02 Vulcanisable organosilicon compositions

Publications (1)

Publication Number Publication Date
GB1219752A true GB1219752A (en) 1971-01-20

Family

ID=10229138

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2552767A Expired GB1219752A (en) 1967-06-02 1967-06-02 Vulcanisable organosilicon compositions

Country Status (3)

Country Link
DE (1) DE1769479A1 (en)
FR (1) FR1567578A (en)
GB (1) GB1219752A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5198171A (en) * 1988-10-11 1993-03-30 Toshiba Silicone Co., Ltd. Process for continuously producing heat-vulcanizable silicone rubber compound
EP0826719A2 (en) * 1996-08-28 1998-03-04 Dow Corning Corporation Method of preparing solventless thermoplastic silicone pellets

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3714204A (en) * 1970-05-22 1973-01-30 Dow Corning Pelletized silicone rubber

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5198171A (en) * 1988-10-11 1993-03-30 Toshiba Silicone Co., Ltd. Process for continuously producing heat-vulcanizable silicone rubber compound
EP0826719A2 (en) * 1996-08-28 1998-03-04 Dow Corning Corporation Method of preparing solventless thermoplastic silicone pellets
EP0826719A3 (en) * 1996-08-28 1998-07-08 Dow Corning Corporation Method of preparing solventless thermoplastic silicone pellets

Also Published As

Publication number Publication date
DE1769479A1 (en) 1971-10-21
FR1567578A (en) 1969-05-16

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