Patent EP0124805A2 successfully refreshed from Google Patents.
EP0124805A2
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EP
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Coupling compositions, curable and cured elastomeric compositions and novel electrical cable
Assignee: Union Carbide Corp
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Filing: 1984-04-16
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Granted: —
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Expires: 2004-04-16
Abstract
Abstract Novel coupling compositions for improving adhesion ; between an organic elastomer and an inorganic substrate comprise (A) an ethylenically unsaturated silane, having bonded to silicon, at least one hydroxy group and/or alkoxy group reactive with the inorganic substrate and at least one ethylenically unsaturated group polymerizable with the organic elastomeric matrix; (B) an organosiloxane oligomer, having bonded to silicon, at least one hydroxy and/or alkoxy group reactive with said inorganic substrate; and (C) optionally, an ethylenically unsaturated organosiloxane oligomer, having bonded to silicon, at least one ethylenically unsaturated group polymerizable with said organic elastomeric matrix. The novel curable compositions contain the novel coupling compositions, an organic elastomer, an inorganic filler, and a peroxide crosslinking agent. The novel cured compositions are produced by heating the novel curable composition to a temperature above the decomposition temperature ofthe peroxide thereby inducing crosslinking of the organic elastomer. The novel electrical cable comprises a conductor having a coating of insulation which comprises the novel cured composition.
Inventors
- 👤 Robert John Pickwell
- 👤 Frederick David Osterholtz
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-08 12:31
CPC Classifications
H; H01; H01B; H01B3/00; H01B3/18; H01B3/30; H01B3/44; C; C08; C08K; C08K3/00; C08K3/01; C08K3/013; C08K5/00; C08K5/54; C08K5/541; C08K5/5425; C08K9/00; C08K9/08; C08L; C08L23/00; C08L23/02; C08L83/00; C08L83/04; C08G; C08G77/00; C08G77/04; C08G77/045; C08G77/14; C08G77/18; C08G77/20
Claims Analysis
Total Claims: 15
Claim 1
Independent Claim
227 words
A coupling composition for improving adhesion between an organic elastomeric matrix ana an inorganic substrate comprising (A) 5 to 95 wt. % of an ethylenically unsaturated silane having at least one silicon-bonded hydroxy group or alkoxy group reactive with said inorganic substrate and containing 1 to 4 carbon atoms and at least one silicon-bonded etnylenically unsaturated group polymerizable witn said organic elastomeric matrix, any remaining valence of silicon being bonded to a monovalent hydrocarbon group having 1 to 6 carbon atoms free of ethylenic unsaturation; (B) 95 to 5 wt. % of an organosiloxane oligomer having per molecule no more than about 10 siloxy units and having per molecule at least one silicon-bonded hydroxy or alkoxy group reactive withsaia inorganic substrate and containing 1 to 4 carbon atoms, any remaining silicon valence not bonded to hydroxy, alkoxy or another silicon through oxygen, being bonded to a monovalent hydrocarbon group tree of ethylenic unsaturation ana having 1 to 6 carbon atoms; and (C) 0 to 10 wt. % ot an etnylenically unsaturated organosiloxane oligomer having per molecule no more than 100 siloxy units and having per molecule at least one silicon-bonded ethylenically unsaturated group polymerizable with said organic elastomeric matrix, any remaining valence of silicon being bonded to a monovalent hydrocarbon group having 1 to 6 carbon atoms or an alkoxy group having 1 to 18 carbon atoms.
Claim 2
Dependent Claim
227 words
A coupling composition for improving adhesion between an organic elastomeric matrix ana an inorganic substrate comprising (A) 5 to 95 wt. % of an ethylenically unsaturated silane having at least one silicon-bonded hydroxy group or alkoxy group reactive with said inorganic substrate and containing 1 to 4 carbon atoms and at least one silicon-bonded etnylenically unsaturated group polymerizable witn said organic elastomeric matrix, any remaining valence of silicon being bonded to a monovalent hydrocarbon group having 1 to 6 carbon atoms free of ethylenic unsaturation; (B) 95 to 5 wt. % of an organosiloxane oligomer having per molecule no more than about 10 siloxy units and having per molecule at least one silicon-bonded hydroxy or alkoxy group reactive withsaia inorganic substrate and containing 1 to 4 carbon atoms, any remaining silicon valence not bonded to hydroxy, alkoxy or another silicon through oxygen, being bonded to a monovalent hydrocarbon group tree of ethylenic unsaturation ana having 1 to 6 carbon atoms; and (C) 0 to 10 wt. % ot an etnylenically unsaturated organosiloxane oligomer having per molecule no more than 100 siloxy units and having per molecule at least one silicon-bonded ethylenically unsaturated group polymerizable with said organic elastomeric matrix, any remaining valence of silicon being bonded to a monovalent hydrocarbon group having 1 to 6 carbon atoms or an alkoxy group having 1 to 18 carbon atoms.
Claim 3
Dependent Claim
86 words
A coupling composition as claimea in claim 1 wherein (A) said ethylenically unsaturated silane is vinyltriethoxysilane, vinyltrimethoxysilane or gamma-metnacryloxypropyltrimetnoxysilane; ( B ) said organosiloxane oligomer is a methyl etnoxy siloxane fluid having an average molecular weight or about 500, having an etnoxy content or 35 to 55 wt. %, and naving the formula: in which x is an integer of about 10; ana (C) said ethylenically unsaturated organosiloxane oligomer. is adodecyloxy-endblocked methylvinyl siloxane fluid having the formula: wherein y is an integer or 4 to 20.
Claim 4
Dependent Claim
40 words
A coupling composition as claimed in claim 2 comprising: (A) 55 to 85 wt. %, preferably65 to 75 wt. % 1 vinyltriethoxysilane; and (B) 45 to 15 wt.,% preferably 35 to 25 wt. %, of said methyl ethoxy siloxane fluid.
Claim 5
Dependent Claim
41 words
4 . A coupling composition as claimed in claim 2 comprising: (A) 60 to 70 wt. % vinyltriethoxysilane; (B) 35 to 25 wt. % of said methyl ethoxy siloxane fluid; and (C) 5 wt. % of said dodecyloxy-endblocked methylvinyl siloxane fluid.
Claim 6
Dependent Claim
39 words
A coupling composition as claimed in claim 2 comprising: (A) 40 to 80 wt. %,preferably 60 to 70 wt. %, vinyltrimethoxysilane; and (B) 60 to 20 wt. %,preferably 30 to 40 wt. %, of said methyl ethoxy siloxane fluid.
Claim 7
Dependent Claim
38 words
A coupling composition as claimed in claim 2 comprising: (A) 55 to 65 wt. % vinyltrimethoxysilane; (B) 30 to 40 wt.% of said methyl ethoxy siloxane fluid; and (C) 5 wt. % of said dodecyloxy-endblocked methylvinyl siloxane fluid.
Claim 8
Dependent Claim
43 words
7 .' A coupling composition as claimed in claim 2 comprising: (A) 25 to 65 wt. %, preferably 45 to 55 wt. % gamma-methacryloxypropyltrimethoxysilane; and (B) 75 to 35 wt. %, preferably 55 to 45 wt. %, of said methyl ethoxy siloxane fluid.
Claim 9
Dependent Claim
39 words
A coupling composition as claimed in claim 2 comprising: (A) 40 to 50 wt. % gamma-methacryloxypropyl-trimethoxysilane; (B) 55 to 45 wt. % or said methyl etnoxy siloxane fluid; ana (C) 5 wt. % or said dodecyloxy-endblocked metnylvinyl siloxane fluid.
Claim 10
Dependent Claim
31 words
A curable composition comprising (1) an organic elastomer; (2) an inorganic filler; (3) a coupling composition as claimed in claim 2; and (4) a peroxide capable of cross-linKing said organic elastomer.
Claim 11
Dependent Claim
29 words
A curable composition as claimed in claim 9 wherein saia organic elastomer is polyetnylene, blends or polyethylene and other polymers, or copolymers of ethylene and other monomers copolymerizable therewitn.
Claim 12
Dependent Claim
30 words
A curable composition as claimed in claim 9 wnerein said organic elastomer is an ethylene-propylene copolymer, said filler is clay, and said coupling composition is that claimed in claim 2.
Claim 13
Dependent Claim
23 words
A curable composition as claimed in claim wherein said coupling composition is that claimed in any one of claims 4, 7 and 10.
Claim 14
Dependent Claim
26 words
The composition of any one of claims 9 to 12 which has been cured by heating to a temperature above the decomposition temperature of said peroxide.
Claim 15
Dependent Claim
22 words
Electrical cable comprising a conductor and a coating of insulation on said conductor comprising tne cured composition as claimed in claim 13.
References Cited (Backward Citations)
No citation records indexed.
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