Flow formable composites having polymodal fiber distributions

Details Flow formable composites having polymodal fiber distributions Flow formable composites having polymodal fiber distributions

1993-10-15

1996-12-17

Clark, W. Robinson H.

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...

524496, 428325, 428327, 428332, 428338, 428212, 264109, 264128, 162145, 162149, 162156, 1621681, C08K 340

Patent

active

055854320

ABSTRACT:
Reinforced polymer composites having a uniform mixture of reinforcing fibers having a polymodal length distribution and having polymer particulates are provided exhibiting a good balance of impact strength and processability/formability. The composites are prepared by forming a dilute aqueous slurry of a solid heat-fusible organic polymer and a reinforcing material having a polymodal length distribution, agitating the slurry and then dewatering the slurry to provide a mat of thermoplastic polymer particles and reinforcing fiber. The mat is dried and then stamped under pressure and heat to consolidate the thermoplastic material and form a sheet-like composite structure.

REFERENCES:
patent: 3716449 (1973-02-01), Gatward et al.
patent: 4044188 (1977-08-01), Segel
patent: 4056501 (1977-11-01), Gibbs et al.
patent: 4323531 (1982-04-01), Bradley et al.
patent: 4426470 (1984-01-01), Wessling et al.
patent: 5275776 (1994-02-01), Hara et al.

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