Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Treating polymer containing material or treating a solid...
Patent
1997-01-24
1999-02-23
Teskin, Fred
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Treating polymer containing material or treating a solid...
528481, 528483, 528496, 528499, 528501, 159 22, 159 32, 159 471, 159DIG16, 264102, 427203, C08F 628
Patent
active
058745254
ABSTRACT:
The residual level of monomer in a polymer may be reduced by passing a melt of the polymer through a devolatilizer column which contains an array of two or more trays having voids comprising from 15 to 50% of the surface of the tray which are offset so the voids in the upper tray are spaced over the solid areas of the tray below.
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DesRoches Douglas
Krupinski Steven M.
Nova Chemicals Inc.
Teskin Fred
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