Process for treating a porous substrate to achieve improved...

Details Process for treating a porous substrate to achieve improved... Process for treating a porous substrate to achieve improved...

D - Textiles, Paper

06

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D06M 14/00 (2006.01) B01D 67/00 (2006.01) B32B 5/18 (2006.01) C09D 4/00 (2006.01) D06M 14/12 (2006.01) D06M 14/16 (2006.01) D06M 14/20 (2006.01) D06N 3/04 (2006.01) D21H 19/48 (2006.01) D21H 21/16 (2006.01)

Patent

CA 2064002

Oil and water repellency is conferred upon porous substrates (10) by treatment with a solution of a monomer (16) of the formula: (C n F2n+1)(CH2)x(CHR)OCOCH = CH2 where n is an integer; X is 0, 1, 2 or 3 and R is H or CH2-OCOCH=CH2. The monomer is polymerized in situ upon the substrate to provide a conformal coating (16') which preserves the porous structure.

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