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    • 3. 发明申请
    • HYDROPHILIC STAIN RELEASE AGENTS
    • 疏水性脱色剂
    • WO2007133531A2
    • 2007-11-22
    • PCT/US2007/011084
    • 2007-05-08
    • E. I. DU PONT DE NEMOURS AND COMPANYWANG, YingHOPKINS, Timothy, EdwardFRANCHINA, Justine, Gabrielle
    • WANG, YingHOPKINS, Timothy, EdwardFRANCHINA, Justine, Gabrielle
    • C11D3/323C08G18/283C08G18/2885C08G18/7831C09D175/04C11D3/3726D06M15/576
    • A composition comprising a self-emulsifiable or self-dispersible aqueous solution or dispersion of at least one urea linkage-containing alkoxypolyoxyalkylene fluorocarbamate prepared by contacting (a) at least one polyisocyanate which contains at least three isocyanate groups per molecule, (b) at least one fluorochemical reagent of the formula F(CF 2 ) a CH 2 CH 2 OH, wherein a is 4, 6, or 8, or mixtures thereof, provided that a is a maximum of 50% of 8, and (c) at least one hydrophilic, water-solvatable reagent which contains per molecule a single functional group which has at least one reactive Zerewitinoff hydrogen atom, said hydrophilic, and thereafter with (d) water, the equivalent weight of said polyisocyanate and said reagents (b) and (c) being such that said reagents react with 55% to 95% of said isocyanate groups, and water reacts with all of the remaining isocyanate groups, said composition imparting durable hydrophilicity and stain release properties to a substrate treated therewith is disclosed.
    • 一种组合物,其包含至少一种含脲键的烷氧基聚氧化烯氟代氨基甲酸酯的自乳化或自分散水溶液或分散体,其通过使(a)至少一种每分子含有至少三个异氰酸酯基团的多异氰酸酯(b)至少 一种氟化学试剂,其分子式为F(CF 2)2 CH 2 CH 2 OH,其中a为4 ,6或8,或其混合物,条件是a最大为8的50%,和(c)至少一种亲水性水溶性试剂,其每分子含有单个官能团,其具有至少一个反应性Zerewitinoff 氢原子,所述亲水性,然后用(d)水,所述多异氰酸酯和所述试剂(b)和(c)的当量使所述试剂与55%至95%的所述异氰酸酯基团反应,水反应 与所有剩余的异氰酸酯基团,所述组合物赋予持久的亲水性和污渍释放 公开了对其处理的基材的性质。
    • 4. 发明申请
    • FLUOROPOLYMER EMULSIONS
    • 氟聚乳酸
    • WO2009015136A1
    • 2009-01-29
    • PCT/US2008/070747
    • 2008-07-22
    • E. I. DU PONT DE NEMOURS AND COMPANYWANG, YingMURPHY, Peter, MichaelPENG, Sheng
    • WANG, YingMURPHY, Peter, MichaelPENG, Sheng
    • C08F259/06C08F265/04D06M15/277
    • C08F259/06C08F265/04D06M15/233D06M15/248D06M15/263D06M15/27D06M15/277D06M15/29D06M2200/11D06M2200/12C08F220/24
    • A core-shell emulsion polymer comprising A) a core composition comprising components (a) and (b): (a) from about 40 to about 95 % of styrene, alkyl substituted styrene, or alkyl (meth)acrylate; and (a) from about 5 to about 60 % of vinylidene chloride, vinyl chloride, or combinations thereof; and B) a shell composition components (c) and (d): (b) from about 50 to about 85 % of (I) R f 1 (CH 2 ) m Z-C(O)-C(R 1 )=CH 2 (II) R f 2 ?(CH 2 CF 2 ) q (CH 2 CH 2 ) r Z-C(O)-C(R 1 ) =CH 2 , or (III) R f 3 O(CF 2 CF 2 ) q (CH 2 CH 2 ) r Z-C(O)-C(R 1 )=CH 2 wherein R 1 is hydrogen, Cl, F or CH; Z is -O-, -NH- or -S-; R f 1 and R f 2 ? are each a C 4 or C 6 perfluoroalkyl; and R f 3 is a C 2 C 7 perfluoroalkyl optionally interrupted by one to three ether oxygens; and (c) from about 15 to about 50 % of styrene, alkyl substituted styrene, or alkyl (meth)acrylate, provided that i) the core composition comprises from about 20 to about 75 % of the polymer; ii) when R f 1 or R f 2 has 4 carbons, R 1 is CH 3 ; and iii) when R f 3 has 2 or 3 carbons, R 1 is CH 3 .
    • 一种核 - 壳乳液聚合物,其包含A)包含组分(a)和(b)的核心组合物:(a)约40至约95%的苯乙烯,烷基取代的苯乙烯或(甲基)丙烯酸烷基酯; 和(a)约5至约60%的偏二氯乙烯,氯乙烯或其组合; 和(B)分别为(I)Rf 1(CH2)mZ-C(O)-C(R1)= CH2(Ⅱ)的约50-约85%的组合物(c)和(d) Rf(2)(CH2CF2)q(CH2CH2)rZ-C(O)-C(R1)= CH2或(III)Rf3O(CF2CF2)q(CH2CH2)rZ-C(O)-C(R1)= CH2 其中R1是氢,C1,F或CH; Z是-O - , - NH-或-S-; Rf 1和Rf 2 各自为C4或C6全氟烷基; 并且Rf 3是任选被一至三个醚氧中断的C2 C7全氟烷基; 和(c)约15至约50%的苯乙烯,烷基取代的苯乙烯或(甲基)丙烯酸烷基酯,条件是i)核组合物包含约20至约75%的聚合物; ii)当Rf 1或Rf 2具有4个碳时,R 1为CH 3; 和iii)当Rf 3具有2或3个碳时,R 1是CH 3。