Plastic and nonmetallic article shaping or treating: processes – Mechanical shaping or molding to form or reform shaped article – Shaping against forming surface
Patent
1982-08-25
1984-12-18
Morris, Theodore
Plastic and nonmetallic article shaping or treating: processes
Mechanical shaping or molding to form or reform shaped article
Shaping against forming surface
525240, B29F 108
Patent
active
044890346
ABSTRACT:
An improved thermoforming process comprises the use of crystalline polymer sheets prepared by the peroxide reacting of the mixture of a poly(alpha olefin) selected from polypropylene and polybutylene plus a polyethylene.
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Morris Theodore
Shell Oil Company
Thompson W.
Vance Dean F.
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