process for treating a porous substrate to achieve improved wate

Details process for treating a porous substrate to achieve improved wate process for treating a porous substrate to achieve improved wate

1990-07-18

1992-10-20

Tentoni, Leo B.

Plastic and nonmetallic article shaping or treating: processes

Carbonizing to form article

Agglomeration or accretion

811552, 811564, 21050021, 210506, 264 48, 427508, 427244, 427513, 427501, 427496, B05D 306, B05D 704, B29C 3508, B29C 4122

Patent

active

051567806

ABSTRACT:
Oil and water repellency is conferred upon porous substrates (10) by treatment with a solution of a monomer (16) of the formula: (C.sub.n E.sub.2n+1)(CH.sub.2).sub.x (CHR)OCOCH.dbd.CH.sub.2 where n is an integer; X is 0,1,2 or 3 and R is H or CH.sub.2 --OCOCH.dbd.CH.sub.2. The monomer is polymerized in situ upon the substrate to provide a conformal coating (16') which preserves the porous structure.

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Fluorinated Acrylic Polymers by: C. S. Sodano; Chem. Technology Review, No. 134.
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