High speed extrusion

Details High speed extrusion High speed extrusion

1996-04-10

1997-11-18

Cooney, Jr., John M.

Plastic and nonmetallic article shaping or treating: processes

Forming continuous or indefinite length work

Shaping by extrusion

264165, 264170, 2641761, 524650, 524700, 524701, 524714, 524742, 524745, 524779, 524792, 524795, D01F 102, C08K 300

Patent

active

056884575

ABSTRACT:
Extrusion theology 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: 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.

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