Cold-shrink article and method of making cold-shrink article
First Claim
Patent Images
1. A cold-shrink composition comprising:
- a fluoroelastomer;
an epichlorohydrin; and
a peroxide cross-linking agentwherein the composition, when cured and formed into a tubular elastomeric article, exhibits a permanent set of less than about 35%.
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Abstract
An elastomeric composition that includes a fluorelastomer and an epichlorohydrin. The elastomeric composition can be formed into cold-shrink articles that are resistant to tearing at elevated temperatures.
18 Citations
31 Claims
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1. A cold-shrink composition comprising:
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a fluoroelastomer; an epichlorohydrin; and a peroxide cross-linking agent wherein the composition, when cured and formed into a tubular elastomeric article, exhibits a permanent set of less than about 35%. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A cold-shrink article comprising:
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an elastomeric member in an expanded state, the elastomeric member comprising a composition that comprises the reaction product of a mixture comprising a fluoroelastomer, a peroxide cross-linking agent, and an epichlorohydrin; and a removable core supporting the elastomeric member in the expanded state. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23)
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24. A method comprising:
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blending components to form a composition, the components comprising a fluoroelastomer, an epichiorohydrin, and a peroxide cross-linking agent; forming the composition into an elastomeric article; expanding at least a portion of the elastomeric article; and inserting a removable core into the expanded portion of the elastomeric article. - View Dependent Claims (25, 26, 27, 28, 29, 30, 31)
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Specification