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    • 3. 发明授权
    • Coating agents for electrophotography and electrophotography carriers
prepared by using them
    • 通过使用它们制备的电子照相和电子照相载体用涂料
    • US5567561A
    • 1996-10-22
    • US300011
    • 1994-09-02
    • Yuji YoshikawaMitsuhiro Takarada
    • Yuji YoshikawaMitsuhiro Takarada
    • C08G77/24C09D183/04C09D183/08G03G9/113
    • C08G77/24C09D183/08G03G9/1136G03G9/1138Y10T428/2995
    • Coating agents for electrophotography carriers are disclosed which are resistant to wear, peel-off, cracks, and prevent the occurrence of a spent phenomenon, and which possess a durability for a long period of use and a superior stability in the carrier charge characteristics. The coating provides long lifetime electrophotography carriers which possess reduced temperature dependency and improved stability in the carrier charge characteristics.The coating agents for the electrophotography carrier are characterized by having an organopolysiloxane expressed by the formula below as a main component:R.sub.a.sup.f R.sub.b.sup.1 Si(OR.sup.2).sub.c O.sub.(4-(a+b+c))/2IwhereinR.sup.f is C.sub.p F.sub.2p+1 Q;p is 1-12;Q is a bivalent organic group with 2-12 carbon atoms;R.sup.1 is alkyl with 1-12 carbon atoms or phenyl;R.sup.2 is H or alkyl with 1-6 carbon atoms; anda, b and c are numbers satisfying the following conditions:0
    • 公开了耐磨损,剥离,裂纹,防止出现现象的电子照相载体用涂料,其具有长时间使用的耐久性和载体电荷特性优异的稳定性。 涂层提供长寿命的电子照相载体,其具有降低的温度依赖性和改善载体电荷特性的稳定性。 电子照相载体的涂层剂的特征在于具有由下式表示的有机聚硅氧烷作为主要成分:RafRb1Si(OR2)cO(4-(a + b + c))/ 2I,其中Rf为CpF2p + 1Q; p为1-12; Q是具有2-12个碳原子的二价有机基团; R1是具有1-12个碳原子的烷基或苯基; R2是H或具有1-6个碳原子的烷基; 和a,b和c是满足以下条件的数字:0 和0