Method for continuous extrusion molding of thermosetting resins

Details Method for continuous extrusion molding of thermosetting resins Method for continuous extrusion molding of thermosetting resins

1974-02-08

1977-01-04

Woo, Jay H.

Plastic and nonmetallic article shaping or treating: processes

Forming continuous or indefinite length work

Shaping by extrusion

264209, 264236, 264349, B28B 320

Patent

active

040013685

ABSTRACT:
This invention relates to a method for continuous extrusion molding of thermosetting resins which comprises extruding a thermosetting resin so that the resin has at the outlet end of an extruder a flowability corresponding to a needle penetration degree of at least 20 and curing the extruded resin at a temperature of 80.degree. to 250.degree. C under a pressure not higher than 200 kg/cm.sup.2 for a residence time of 1 second to 5 minutes.

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"Handbook of Epoxy Resins," Lee & Neville, 88.6-88.7 6-18, McGraw Hill, 1967.

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