Microporous products

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1979-11-23

1985-05-28

Spear, Frank

Liquid purification or separation

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Material

264 41, B01D 3100

Patent

active

045199094

ABSTRACT:
Novel microporous polymers in forms ranging from films to blocks and intricate shapes from synthetic thermoplastic polymers, such as, olefinic, condensation, and oxidation polymers, are disclosed. In one embodiment the microporous polymers are characterized by a relatively homogeneous, three-dimensional cellular structure having cells connected by pores of smaller dimension. Also disclosed are microporous polymer products which contain relatively large amounts of functionally useful liquids and behave as solids.

REFERENCES:
patent: 3216882 (1965-11-01), Feldt et al.
patent: 3378507 (1968-04-01), Sargent et al.
patent: 3423491 (1969-01-01), McLain et al.
patent: 4073733 (1978-02-01), Yamauchi et al.
patent: 4077407 (1978-03-01), Theeuwes et al.

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