Reduction in die drool in filled resins and product improvement

Plastic and nonmetallic article shaping or treating: processes – With printing or coating of workpiece – Anti-stick or adhesion preventing coating

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Details

264131, 264169, 264174, 264211, 425113, 425461, 425467, 427195, B29C 4712

Patent

active

050080563

ABSTRACT:
A process for reducing die drool during extrusion of highly filled polymeric resins for production of jacketing insulation for wire and cable by incorporating into the surface of the die in contact with said resin a compound which decreases the adhesiveness between the polymeric resin and the die surface, said compound being employed in an amount sufficient to reduce die drool.

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patent: 3446884 (1969-05-01), Miller et al.
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patent: 4167386 (1979-09-01), Mallay
patent: 4264294 (1981-04-01), Ruiz
patent: 4484883 (1984-11-01), Honda et al.
patent: 4615858 (1986-10-01), Su

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