Plastic and nonmetallic article shaping or treating: processes – Carbonizing to form article – Agglomeration or accretion
Patent
1975-04-28
1977-09-20
Thurlow, Jeffery R.
Plastic and nonmetallic article shaping or treating: processes
Carbonizing to form article
Agglomeration or accretion
20415917, 264 25, 264236, 264DIG18, B01J 110
Patent
active
040497577
ABSTRACT:
The invention provides a process for the production of shaped bodies and semi-finished products from polyolefins in the presence of crosslink-reinforcing coagents by addition of 0.01 to 1.0 wt % of at least one organic polymer-active radical forming agent, and brief heating with shaping before radiation to above the decomposition temperature of the radical forming agent until the radical forming agent decomposes.
The process serves for the production of pipes, shaped sections and sheaths by extrusion, injection molding or extrusion pressing, especially for electric insulations, in particular for cables and lines.
REFERENCES:
patent: 3125546 (1964-03-01), Pinner et al.
patent: 3294869 (1966-12-01), Robinson
patent: 3640915 (1972-02-01), Cooper
patent: 3817851 (1974-06-01), Atchison et al.
Kammel Gernot
Wiedenmann Rudolf
Siemens Aktiengesellschaft
Thurlow Jeffery R.
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