Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – At least one aryl ring which is part of a fused or bridged...
Patent
1993-05-21
1994-09-06
Hoke, Veronica P.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
At least one aryl ring which is part of a fused or bridged...
524494, C08K 334
Patent
active
053448669
ABSTRACT:
Reinforced polymer composites having a thermoplastic matrix material, reinforcing glass fibers, and a heat-expandable material selected from a group consisting of unexpanded vermiculite and unexpanded perlite are provided exhibiting improved fire resistant properties. The composites are prepared by performing a dilute aqueous slurry of a solid heat-fusible organic polymer, glass reinforcing fibers, and a heat-expandable material selected from the group consisting of vermiculite and perlite, agitating the slurry and then dewatering the slurry to provide a mat of thermoplastic polymer particles, reinforcing glass fiber, and a heat-expandable material. The mat is dried and then stamped under pressure and heat to consolidate the thermoplastic material to form a sheet-like composite structure. The composites exhibit reduced levels of early smoke generation and/or early heat generation.
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General Electric Company
Hoke Veronica P.
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