Plastic and nonmetallic article shaping or treating: processes – Reactive gas or vapor treatment of work – Work is organic material
Patent
1996-09-09
1998-01-06
Derrington, James
Plastic and nonmetallic article shaping or treating: processes
Reactive gas or vapor treatment of work
Work is organic material
264310, 264311, B29C 4104
Patent
active
057051100
ABSTRACT:
A method to reduce cross link vapors trapped in hollow cross link polyethylene products produced by rotomolding is disclosed. Ozone is introduced into the hollow product after the polymer has cross linked. Compressed air is delivered with the ozone to circulate the ozone effectively. Use of the ozone oxidizes the cross link vapors and permits reduction in stored inventory of units awaiting dissipation of the cross link polyethylene vapors. A system for batch treatment of the products is also disclosed.
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Kircher, Klaus "Chemical Reactions in Plastics Processing", Macmillan Publishing Company, 1987.
Rotational Molding, Association of Rotational Molders, Oak Brook, Illinois, 1990.
Centro Incorporated
Derrington James
Harms Allan L.
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