Partially fluorinated esters or amide/esters of benzene polycarb

Details Partially fluorinated esters or amide/esters of benzene polycarb Partially fluorinated esters or amide/esters of benzene polycarb

1977-12-16

1980-06-24

Higel, Floyd D.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

81155, 260404, 2604045, 2604048, 2604106, 260 4244, 427212, 427222, 106 2, C08G 6312, C08G 6944, C11C 300

Patent

active

042096103

ABSTRACT:
Polycarboxybenzenes esterified with certain partially fluorinated alcohols and with hydroxyl-containing organic radicals such as 2-hydroxyethyl, glyceryl and chlorohydryl or bromohydryl, leaving no free carboxy groups, when incorporated with PET or nylon fibers as by contact in a liquid medium, these compounds concentrate at the fiber surface especially if the fiber is annealed (heated without abrading above its T.sub.g). A relatively durable oil and water repellency is thus imparted to the fiber; which durability can be enhanced by contacting said compound in situ in the fiber with a polyepoxide or polyisocyanate.
Alternatively, partially fluorinated N,N-disubstituted amides, esterified also with the same above-cited hydroxyl-containing organic radicals, can be used. The resulting fibers can be dyed, after or together with said treatment imparting repellency.

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