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Sealant compositions and sealed electrical connectors

  • US 5,360,350 A
  • Filed: 05/05/1992
  • Issued: 11/01/1994
  • Est. Priority Date: 08/23/1991
  • Status: Expired due to Term
First Claim
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1. A moisture and temperature resistant electrical connector for sealingly connecting transmission means comprising:

  • (a) a connector body comprising a substantially closed container having access means for allowing entry of said transmission means into said connector body and a terminal means for accepting and electrically connecting with said transmission means; and

    (b) a sealant composition substantially filling said container and disposed along or adjacent to said terminal means, said sealant composition comprising an elastomeric thermoplastic polymer composite and an extender for said polymer composite, said extender comprising a major proportion by weight of said composition and said polymer composite comprising a minor proportion by weight of said composition,wherein said polymer composite includes a mixture of(i) a triblock copolymer and(ii) a diblock copolymer, the weight ratio of said triblock copolymer to said diblock copolymer being in the range of about 1;

    20 to about 1;

    5; and

    wherein said extender includes(i) a primary extender for said polymer, said primary extender being selected from the group consisting essentially of C1 -C4 polyolefins and(ii) a secondary extender for said polymer, said secondary extender being selected from the group consisting essentially of mineral oil the weight ratio of said primary extender to said secondary extender being in the range of about 50;

    50.

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