Water and oil repellants
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United States of America Patent
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-
Nov 26, 1991
Grant Date -
N/A
app pub date -
Feb 9, 1990
filing date -
Feb 15, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A water and oil repellant contains a copolymer of a first vinyl monomer having a perfluoroalkyl group, a second vinyl monomer having a polyorganosiloxane chain and a third vinyl monomer having an isocyanate group or blocked isocyanate group as essential components. As an alternative, a water and oil repellant contains a copolymer of a first vinyl monomer having a polyorganosiloxane chain and a second vinyl monomer having an isocyanate group or blocked isocyanate group, in combination with a water and oil repellant compound having a perfluoroalkyl group.
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