Plastic and nonmetallic article shaping or treating: processes – Utilizing special inert gaseous atmosphere or flushing mold...
Patent
1995-05-31
1996-09-03
Foelak, Morton
Plastic and nonmetallic article shaping or treating: processes
Utilizing special inert gaseous atmosphere or flushing mold...
159 21, 264102, 2641761, 26421124, 525242, 525267, 525285, 526 65, 526 71, B29C 4778, C08F 400
Patent
active
055520960
ABSTRACT:
Multiple sequential chemical reactions on a polymeric feedstock are carried out in an extruder with multiple reaction zones. Each reaction zone has means for introduction of reagents, for mixing of reagents with polymer and for removal of by/co-products or unreacted reagents.
REFERENCES:
patent: 4384072 (1983-05-01), Newman et al.
patent: 4500706 (1985-02-01), Mathis et al.
Auda Richard S.
Chung David Y.
Davis William M.
Flatley Lawrence W.
Jones Brenton G.
Exxon Chemical Patents Inc.
Foelak Morton
Miller Douglas W.
Mosley Terressa M.
Schneider J. E.
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