Enhanced melt extrusion of thermoplastics containing...

Details Enhanced melt extrusion of thermoplastics containing... Enhanced melt extrusion of thermoplastics containing...

B - Operations, Transporting

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B29C 47/00 (2006.01) B29C 47/10 (2006.01) C08L 59/00 (2006.01) C08L 77/00 (2006.01) C08L 79/08 (2006.01) C08L 101/00 (2006.01) C08L 27/12 (2006.01) C08L 83/04 (2006.01)

Patent

CA 1306090

ENHANCED MELT EXTRUSION OF THERMOPLASTICS CONTAINING SILICONE INTERPENETRATING POLYMER NETWORKS Abstract of the Disclosure High modulus thermoplastic compositions and composites are produced which exhibit enhanced melt integrity and strength, allowing the composites to be melt-drawn to smooth surfaced, high tolerance profiles, such as thin-walled tubing, wire, coatings, films, etc. The melt integrity is improved by adding to the thermoplastic prior to or during thermoplastic melt processing a silicone component which will be vulcanized within the thermoplastic to form a silicone semi-interpenetrating polymer network initiated during the melt processing of the thermoplastic. The composition contains about 0.1 to 20, and preferably about 1 to 4, weight percent of the silicone network, and may also contain fibrous reinforcement and/or filler/modifiers.

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