{HEAD ~ The treated substrate} comprises a fibrous polyamide substrate having applied thereto a partially sulfonated novolak resin and polymethacrylic acid, {TAIL ~ copolymers} of methacrylic acid, or combinations of said polymethacrylic acid and said copolymers of methacrylic acid 
{ HEAD ~ The treated substrate } comprises a fibrous polyamide substrate having applied thereto a partially sulfonated novolak resin and polymethacrylic acid , { TAIL ~ copolymers } of methacrylic acid , or combinations of said polymethacrylic acid and said copolymers of methacrylic acid
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH