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    • 18. 发明授权
    • Waterborne fluoropolymer solutions for treating hard surfaces
    • 用于处理硬表面的水性氟聚合物溶液
    • US6120892A
    • 2000-09-19
    • US248068
    • 1999-02-11
    • John J. FitzgeraldThomas Clark Felder, III
    • John J. FitzgeraldThomas Clark Felder, III
    • C03C17/32C04B41/48C09D133/16B32B13/12B32B17/10
    • C04B41/4846C03C17/32C09D133/16C04B2111/203C04B2111/27Y10T428/273
    • A method for imparting water, oil or stain repellency to HARD SURFACES comprising application to the surface of an effective amount of a composition comprising monomers copolymerized in the following percentages by weight:(a) from about 40% to about 90% of at least one monomer of formula I:R.sub.f --Q--A--C(O)--C(R).dbd.CH.sub.2 IwhereinR.sub.f is a straight or branched-chain perfluoroalkyl group of 2 to about 20 carbon atoms,R is H or CH.sub.3,A is O, S, or NR.sub.1 wherein R.sub.1 is H or a C.sub.1 -C.sub.4 alkyl, and Q is alkylene of 1 to about 15 carbon atoms, hydroxyalkylene of 3 to about 15 carbon atoms,--(C.sub.n H.sub.2n) (OC.sub.q H.sub.2q).sub.m --, --SO.sub.2 --NR.sub.1 (C.sub.n H.sub.2n)-- or --CONR.sub.1 (C.sub.n H.sub.2n)-- wherein R.sub.1 is H or C.sub.1 -C.sub.4 alkyl, n is 1 to about 15, q is 2 to about 4, and m is 1 to about 15;(b) from about 2% to about 50% of a monomer of formula IIA or IIB or a mixture thereof:(CH.sub.2 .dbd.C(R)COZ(CH.sub.2).sub.r.sup.+ NR.sub.2 R.sub.3 R.sub.4)X.sup.- IIAandCH.sub.2 .dbd.C(R)COZ(CH.sub.2).sub.r NR.sub.2 R.sub.3 (O) IIBwhereinR is H or CH.sub.3,R.sub.2 and R.sub.3 are each independently C.sub.1 -C.sub.4 alkyl, hydroxyethyl, or benzyl or R.sub.2 and R.sub.3 together with the nitrogen atom form a morpholine, pyrrolidine, or piperidine ring,R.sub.4 is H or C.sub.1 -C.sub.4 alkyl or R.sub.2, R.sub.3, and R.sub.4 together with the nitrogen form a piperidine ring,Z is --O-- or --NR.sub.4 --r is 2 to 4, andX.sup.- is an anion,provided that the nitrogen is from about 40% to 100% salinized, quaternized, or present as amine oxide.
    • 一种向硬表面赋予水,油或防污性的方法,包括向所述表面施用有效量的包含单体的组合物,所述组合物按以下重量百分比共聚合:(a)约40%至约90%的至少一种 式I的单体:Rf-QAC(O)-C(R)= CH 2 I,其中R f是2至约20个碳原子的直链或支链全氟烷基,R是H或CH 3,A是O,S或 NR1其中R1为H或C1-C4烷基,Q为1至约15个碳原子的亚烷基,3至约15个碳原子的羟基亚烷基, - (CnH2n)(OCqH2q)m-,-SO2-NR1(CnH2n) - 或-CONR1(C n H 2n) - 其中R 1为H或C 1 -C 4烷基,n为1至约15,q为2至约4,m为1至约15; (b)约2%至约50%的式IIA或IIB的单体或其混合物:(CH 2 = C(R)COZ(CH 2)r + NR 2 R 3 R 4)X-IIA和CH 2 = C(R)COZ (CH2)rNR2R3(O)IIB其中R是H或CH3,R2和R3各自独立地是C1-C4烷基,羟乙基或苄基或R2和R3与氮原子一起形成吗啉,吡咯烷或哌啶环,R4 是H或C 1 -C 4烷基或R 2,R 3和R 4与氮一起形成哌啶环,Z为-O-或-NR 4 -r为2至4,X为阴离子,条件是氮是 约40%至100%盐化,季铵化或作为氧化胺存在。