Microporous sheets and a process for making them

Details Microporous sheets and a process for making them Microporous sheets and a process for making them

B - Operations, Transporting

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18/22

B29D 17/00 (2006.01) C08J 9/28 (2006.01) C08L 75/00 (2006.01) D06M 15/564 (2006.01) D06M 15/643 (2006.01) D06M 15/653 (2006.01) D06N 3/14 (2006.01)

Patent

CA 1053867

MICROPOROUS SHEETS AND A PROCESS FOR MAKING THEM Abstract of the Disclosure A method for making microporous sheets is provided wherein a dispersion of a cationic and/or anionic polyurethane is mixed with a solution containing a non-ionic polyurethane and the resulting mixture is coagulated with a non-solvent for the non-ionic polyurethane.

207232

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