B - Operations – Transporting – 01 – J
Patent
B - Operations, Transporting
01
J
B01J 20/28 (2006.01) B01D 39/00 (2006.01)
Patent
CA 2110156
2110156 9300163 PCTABS00019 A composite article comprising, in the unexpanded form, a fibrillated PTFE matrix and a combination of energy expandable hollow polymeric particles and sorptive particles, which composite, on applying energy such as steam, heat, or laser energy, provides an expanded article having increased void volume and decreased density. The expanded articles are porous and efficient articles for separation and purification applications. In flat or rolled form, the composite article can be used in separation devices.
Balsimo William V.
Hagen Donald F.
Markell Craig G.
Wright Robin E.
Minnesota Mining And Manufacturing Company
Smart & Biggar
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