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    • 3. 发明授权
    • Charge control with cyclic polysulfonyldially ammonium salts
    • 带环状聚磺酰基二铵盐的电荷控制
    • US5500323A
    • 1996-03-19
    • US430181
    • 1995-04-27
    • Rudiger BaurHans-Tobias MacholdtWilfried Theiss
    • Rudiger BaurHans-Tobias MacholdtWilfried Theiss
    • C08G73/06C08G75/00C08G75/22C09D5/03C09D5/46D06P1/642G03G9/087G03G9/097G03G5/00
    • D06P1/6426C08G73/0611C08G75/22C09D5/034G03G9/08771G03G9/0975G03G9/09758
    • Cyclic polysulfonyldiallylammonium salts which are obtainable bya) copolymerization of salts, preferably halides, of monomeric diallylammonium components of the formula (I) ##STR1## with sulfur dioxide or a compound which liberates sulfur dioxide, and b) anion exchange, the anions, preferably the halide ions, of the diallylammonium components being completely or partially replaced by the anions A, the diallylammonium components being in each case cyclized to give a five- or six-membered ring and being connected to one another by one or more divalent radicals --SO.sub.2 -- to form polymers, the polysulfonyldiallylammonium salts having a molecular weight of between 500 and 5,000,000,and the ratio of the number of diallylammonium components to the number of divalent SO.sub.2 radicals being from 1:0.01 to 1:100, andA is in each case the stoichiometric anion equivalent of an inorganic anion; of an anion of a heteropolyacid or of a borate of the formula (II) or of an organic anion, or a disulfopyrrolidinium betaine of the formula (III)or A is a combination of the abovementioned anions; are employed individually or in combination as charge control agents in electrophotographic toners and developers which are employed for copying and reproducing originals and for printing electronically, magnetically or optically stored information or in colorproofing, and as charge control agents in powders and powder coatings.
    • 可通过以下方式获得的环状聚磺酰基二烯丙基铵盐:a)使式(I)的单体二烯丙基铵组分的盐,优选卤化物与二氧化硫或释放二氧化硫的化合物共聚,和b)阴离子交换, 二烯丙基铵组分的阴离子,优选卤化物离子被阴离子A完全或部分替代,二烯丙基铵组分在每种情况下环化以得到五元或六元环,并通过一个或多个二价 基团-SO2-以形成聚合物,分子量为500-50000之间的聚磺酰基二烯丙基铵盐,二烯丙基铵组分数与二价SO 2基团数之比为1:0.01至1:100,A为 在每种情况下,无机阴离子的化学计量阴离子当量; 的式(II)的硼酸盐或有机阴离子的硼酸盐或式(III)或A的二磺基吡咯烷鎓甜菜碱的阴离子是上述阴离子的组合; 单独或组合地用作电子照相调色剂和显影剂中的电荷控制剂,其用于复制和再现原件并用于印刷电子,磁性或光学存储的信息或着色,以及作为粉末和粉末涂料中的电荷控制剂。