High speed extrusion

Details High speed extrusion High speed extrusion

1997-06-25

1999-08-31

Cooney, Jr., John M.

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...

524700, 524701, 524714, 524742, 524745, 524779, 524792, 524795, C08K 502

Patent

active

059454784

ABSTRACT:
Extrusion rheology of thermoplastic polymer as manifested by surface smoothness is improved by incorporating foam cell nucleating agents into the polymer and extruding the polymer under laminar flow to form unfoamed extrudate.

REFERENCES:
patent: 3072583 (1963-01-01), Randa
patent: 3125547 (1964-03-01), Blatz
patent: 4304713 (1981-12-01), Perelman
patent: 5180754 (1993-01-01), Morita et al.
patent: 5314925 (1994-05-01), Burnell et al.
patent: 5340843 (1994-08-01), Tsuruta et al.
patent: 5346926 (1994-09-01), Sakamoto et al.
Rudin et al., "Fluorocarbon Elastomer aids polyolefin extrusion", Plastics Engineering, pp. 63-66 Mar. 1986.

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