Process for preparing polyarylene ethers
    1.
    发明申请
    Process for preparing polyarylene ethers 失效
    聚亚芳基醚的制备方法

    公开(公告)号:US20030176621A1

    公开(公告)日:2003-09-18

    申请号:US10040850

    申请日:2002-01-09

    CPC classification number: C08G65/4012

    Abstract: Disclosed is a process for preparing a polymer of the formula 1 wherein x is an integer of 0 or 1, A is one of several specific groups, such as 2 B is one of several specified groups, such as 3 or mixtures thereof, and n is an integer representing the number of repeating monomer units, said process comprising (A) providing a reaction mixture which comprises (i) a solvent, (ii) a compound of the formula 4 (iii) a compound of the formula 5 (iv) a compound of the formula 6 wherein a is an integer of from 1 to 5, Rnull is a hydrogen atom, an alkyl group, an aryl group, an arylalkyl group, an alkylaryl group, an alkoxy group, an aryloxy group, an arylalkyloxy group, an alkylaryloxy group, a polyalkyleneoxy group, or a mixture thereof, and (v) a carbonate base; and (B) heating the reaction mixture and removing generated water from the reaction mixture, thereby effecting a polymerization reaction.

    Abstract translation: 公开了一种制备下式的聚合物的方法,其中x是0或1的整数,A是几个特定基团之一,例如B是若干指定基团之一,例如或其混合物,n是整数 表示重复单体单元的数目,所述方法包括(A)提供反应混合物,其包含(i)溶剂,(ii)式(iii)的化合物式(iv)的化合物式 其中a为1至5的整数,R'为氢原子,烷基,芳基,芳基烷基,烷基芳基,烷氧基,芳氧基,芳基烷氧基,烷基芳氧基, 聚亚烷基氧基或其混合物,和(v)碳酸酯基; 和(B)加热反应混合物并从反应混合物中除去生成的水,从而进行聚合反应。

    Process fpr tuning photoreceptor sensitivity
    2.
    发明申请
    Process fpr tuning photoreceptor sensitivity 失效
    处理fpr调光感光度

    公开(公告)号:US20030013029A1

    公开(公告)日:2003-01-16

    申请号:US09815116

    申请日:2001-03-23

    CPC classification number: G03G5/0696

    Abstract: A process including: forming a first chlorogallium phthalocyanine (ClGaPc) in N-methyl-2-pyrrolidone (NMP) to form a ClGaPc (NMP) Type-I product; forming a second chlorogallium phthalocyanine in dimethyl sulfoxide (DMSO) to form a ClGaPc (DMSO) Type-I product; separately dry milling and then wet treating the Type-I products to form respective Type-II products; blending the Type-II products together along with a resin to form a coating mixture; and coating the mixture to form a charge generator layer in an electrostatographic imaging article.

    Abstract translation: 一种方法,包括:在N-甲基-2-吡咯烷酮(NMP)中形成第一氯镓酞菁(ClGaPc)以形成ClGaPc(NMP)I型产物; 在二甲基亚砜(DMSO)中形成第二氯镓酞菁以形成ClGaPc(DMSO)I型产物; 分别干磨,然后湿式处理I型产品以形成相应的II型产品; 将II型产品与树脂一起混合以形成涂料混合物; 并在该静电成像制品中涂覆混合物以形成电荷发生器层。

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