GB1284459A - Fluorinated elastomer admixture, process for its curing and resulting cured elastomeric product - Google Patents

Fluorinated elastomer admixture, process for its curing and resulting cured elastomeric product

Info

Publication number
GB1284459A
GB1284459A GB4119069A GB4119069A GB1284459A GB 1284459 A GB1284459 A GB 1284459A GB 4119069 A GB4119069 A GB 4119069A GB 4119069 A GB4119069 A GB 4119069A GB 1284459 A GB1284459 A GB 1284459A
Authority
GB
United Kingdom
Prior art keywords
quaternary ammonium
compound
radical
vinylidene fluoride
curing
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
GB4119069A
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.)
3M Co
Original Assignee
Minnesota Mining and Manufacturing 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 Minnesota Mining and Manufacturing Co filed Critical Minnesota Mining and Manufacturing Co
Publication of GB1284459A publication Critical patent/GB1284459A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F8/00—Chemical modification by after-treatment
    • 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
    • C08K5/16—Nitrogen-containing compounds
    • C08K5/17—Amines; Quaternary ammonium compounds
    • C08K5/19—Quaternary ammonium compounds

Abstract

1284459 Curing vinylidene fluoride copolymers MINNESOTA MINING & MFG CO 18 Aug 1969 [19 Aug 1968 27 Feb 1969 9 June 1969] 41190/69 Heading C3P A composition capable of being cured in the presence of an oxidizable aromatic hydroxy or amino compound and an inorganic acid acceptor capable of generating water upon reaction with hydrogen fluoride, comprises an elastomeric copolymer of vinylidene fluoride and at least one terminally unsaturated fluoro-monolefin in which at least 10% of the chain carbon atoms of the copolymer are in the form of -CH 2 - units, at least one quaternary ammonium hydroxide or a quaternary ammonium salt which is capable under the conditions of cure of forming a quaternary ammonium hydroxide and at least one compound which is stable in the absence of water at temperatures below 75‹ C., and which at a temperature above 125‹ C. and in the presence of water releases a basic nitrogen atom containing compound having at least one hydrogen atom bonded to the basic nitrogen atom. The compositions are cured in the presence of the aromatic compound and the acid acceptor in a mould at a pressure of between 7 and 210 kg./cm.<SP>2</SP> at a temperature of between 95‹ and 230‹ C. for a period of between 1 minute and 15 hours. Suitable copolymers are those of vinylidene fluoride with chlorotrifluoroethylene, perfluoropropene, 1-hydroperfluoropropene and/or tetrafluoroethylene. Suitable quaternary ammonium hydroxides are those of formula [R<SP>1</SP> 3 -NR<SP>2</SP>-N-R<SP>3</SP> 3 ]<SP>++</SP>[OH<SP>-</SP>] 2 or [R<SP>4</SP>-N-R<SP>5</SP> 3 ]<SP>+</SP>OH<SP>-</SP> in which R<SP>1</SP>, R<SP>3</SP> and R<SP>5</SP> represent C 1-18 alkyl radicals, R<SP>2</SP> represents a C 2-12 alkylene radical or a C 8-12 phenylene dialkylene radical, R<SP>4</SP> is a C 1-12 alkyl radical or a C 7-12 aralkyl radical. Suitable quaternary ammonium salts are alkoxides, phenoxides and acetates. Suitable acid acceptors are magnesium oxide, lead oxide, zinc oxide and dibasic lead phosphite The preferred aromatic compound is hydro. quinone. An inorganic base may also be included.
GB4119069A 1968-08-19 1969-08-18 Fluorinated elastomer admixture, process for its curing and resulting cured elastomeric product Expired GB1284459A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US75361868A 1968-08-19 1968-08-19
US80291769A 1969-02-27 1969-02-27
US83129569A 1969-06-09 1969-06-09

Publications (1)

Publication Number Publication Date
GB1284459A true GB1284459A (en) 1972-08-09

Family

ID=27419450

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4119069A Expired GB1284459A (en) 1968-08-19 1969-08-18 Fluorinated elastomer admixture, process for its curing and resulting cured elastomeric product

Country Status (7)

Country Link
BE (1) BE737616A (en)
CH (1) CH525917A (en)
ES (1) ES370597A1 (en)
FR (1) FR2017167A1 (en)
GB (1) GB1284459A (en)
NL (1) NL6912561A (en)
SE (1) SE360877B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4353961A (en) 1977-09-14 1982-10-12 Raychem Corporation Shaped article from crosslinked fluorocarbon polymer

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05339536A (en) * 1992-06-11 1993-12-21 Minnesota Mining & Mfg Co <3M> Fluorinated rubber composition for coating

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4353961A (en) 1977-09-14 1982-10-12 Raychem Corporation Shaped article from crosslinked fluorocarbon polymer

Also Published As

Publication number Publication date
NL6912561A (en) 1970-02-23
CH525917A (en) 1972-07-31
FR2017167A1 (en) 1970-05-22
DE1941915A1 (en) 1970-02-26
DE1941915B2 (en) 1972-02-24
SE360877B (en) 1973-10-08
ES370597A1 (en) 1971-08-01
BE737616A (en) 1970-02-18

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Legal Events

Date Code Title Description
PS Patent sealed
PE20 Patent expired after termination of 20 years