| 摘要 |
A copolymer composition and its use as a soil release agent for fabrics comprising monomers copolymerized in the following percentages by weight: (a) from about 30 % to about 49 % of at least one monomer of formula (I): Rf-Q-A-C(O)-C(R)=CH2, wherein Rf is a straight or branched-chain perfluoroalkyl group of from 2 to about 20 carbon atoms, R is H or CH3, A is O, S or N(R'), wherein R' is H or an alkyl from 1 to about 4 carbon atoms, Q is alkylene of 1 to about 15 carbon atoms, hydroxyalkylene of 3 to about 15 carbon atoms, (CnH2n)(OCqH2q)m-, -SO2-NR'(CnH2n)-, or -CONR'(CnH2n)-, wherein R' is H or an alkyl of from 1 to about 4 carbon atoms, n is 1 to about 15, q is 2 to about 4, and m is 1 to about 15; (b) from about 10 % to about 70 % of at least one monomer or a mixture of monomers selected from the formulae (IIA): (R1)2N (CH2)r-Z-C(O)-C(R2)=CH2, (IIB): (O)(R3)(R4)N-(CH2)r-Z-C(O)-C(R2)=CH2, (IIC): X (R5)(R4)(R3)N+-(CH2)r-Z-C(O)-C(R2)=CH2, wherein Z is -O- or -NR5-; R1 is an alkyl group of from 1 to about 3 carbon atoms; R2 is H or an alkyl radical of 1 to about 4 carbon atoms; R3 and R4 are each an alkyl of 1 to 4 carbon atoms, hydroxyethyl, benzyl, or R3 and R4 together with the nitrogen atom form a morpholine, pyrrolidine, or piperadine ring; R5 is H or an alkyl of 1 to 4 carbon atoms, or R3, R4 and R5 together with the nitrogen atom form a pyridine ring; r is 2 to 4; and wherein for formula (IIA) the nitrogen is from about 40 % to 100 % salinized; and (c) eventually other monomers.
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