Abstract: A flooding compound for a waterproof communications cable is formed from a heated mixture of 92-94% by weight of a microcrystalline wax, 3-5% polyethylene and 2-4% of a rubber. The heated mixture is extruded between the plastic jacket and core sheath of a cable. The compound exhibits the adhesive and slip characteristics of, and is a replacement for, atactic polypropylene.
Type:
Grant
Filed:
January 23, 1987
Date of Patent:
March 8, 1988
Assignee:
Witco Corp.
Inventors:
Thomas D. Hindman, Thomas J. Roessing, Joseph D. Burkhard
Abstract: A flooding compound for a waterproof communications cable is formed from a heated mixture of 92-94% by weight of a microcrystalline wax, 3-5% polyethylene and 2-4% of a rubber. The heated mixture is extruded between the plastic jacket and core sheath of a cable. The compound exhibits the adhesive and slip characteristics of, and is a replacement for, atactic polypropylene.
Type:
Grant
Filed:
January 23, 1987
Date of Patent:
February 9, 1988
Assignee:
Witco Corp.
Inventors:
Thomas D. Hindman, Thomas J. Roessing, Joseph D. Burkhard
Abstract: A flooding compound for a waterproof communications cable is formed from a heated mixture of 92-94% by weight of a microcrystalline wax, 3-5% polyethylene and 2-4% of a rubber. The heated mixture is extruded between the plastic jacket and core sheath of a cable. The compound exhibits the adhesive and slip characteristics of, and is a replacement for, atactic polypropylene.
Type:
Grant
Filed:
May 16, 1985
Date of Patent:
December 29, 1987
Assignee:
Witco Corp.
Inventors:
Thomas D. Hindman, Thomas J. Roessing, Joseph D. Burkhard
Abstract: The use of enol ether capped polyether-polysiloxane copolymers as surfactants in polyurethane foam applications is taught herein. These enol ether capped surfactants exhibit a high capping efficiency and yield good performance. Moreover, they are stable in water/amine premixes.
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