Method of manufacturing extruded product of fire-retardant cross

Details Method of manufacturing extruded product of fire-retardant cross Method of manufacturing extruded product of fire-retardant cross

1987-06-22

1989-03-21

Thurlow, Jeffery

Plastic and nonmetallic article shaping or treating: processes

Reactive gas or vapor treatment of work

Work is organic material

264174, 2642096, 26421124, 264236, 264237, 264347, 264348, B29C 4778

Patent

active

048141305

ABSTRACT:
In a method of manufacturing an extruded product of a fire-retardant crosslinked polyolefin composition, including the steps of mixing 10 to 200 parts by weight of at least one material selected from the group consisting of an inorganic fire retardant, an organic fire retardant, and an inorganic filler to 100 parts by weight of polyolefin, adding predetermined amounts of an unsaturated alkoxysilane and a radical polymerization initiator to the resultant mixture to cause silicone grafting, and bringing a reacted mixture into contact with water in the presence of a silanol condensation catalyst, a cooling zone is formed between an extruder and a crosshead to set a uniform temperature of a molten resin composition and to cool the composition temperature to a desired temperature.

REFERENCES:
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patent: 4564349 (1986-01-01), Brown
patent: 4595546 (1986-06-01), Wheeler, Jr.
patent: 4716000 (1987-12-01), Kerschbaum et al.

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