Patent ID: 6677394
Filing Date: 2004-01-13
Classification: G02B,H01B

Abstract:
A process for the production of a longitudinal watertight cable construction which comprises: applying a hotmelt adhesive sealant comprising:(1) a water-insoluble component A, comprising at least one water-insoluble (co)polymer and at least one other resin; (2) a water-soluble or water dispersible component B, comprising at least one member selected from the group consisting of water-soluble oligomers, water-dispensable oligomers, water-soluble (co)polymers and water-dispersible (co)polymers; (3) a water swellable component C, comprising a water-swellable (co)polymer; and (4) optionally tackifying additives, tack reducing additives and stabilizers, to at least one internal component of the cable whereby on contact with water the adhesive and sealant component swells and blocks flow of water in the cable in a longitudinal direction.