Stable free radical polymerization processes
    1.
    发明授权
    Stable free radical polymerization processes 失效
    稳定的自由基聚合方法

    公开(公告)号:US6156858A

    公开(公告)日:2000-12-05

    申请号:US882376

    申请日:1997-06-25

    IPC分类号: C08F2/38 C08F4/00

    CPC分类号: C08F4/00

    摘要: A process for the preparation of polymer comprising heating a mixture comprised of a free radical initiator, a stable free radical agent, a base selected from the group consisting of inorganic bases and organic bases, and at least one polymerizable monomer compound and optionally cooling, followed by optionally isolating the polymer product.

    摘要翻译: 一种制备聚合物的方法,包括加热由自由基引发剂,稳定的自由基试剂,选自无机碱和有机碱的碱组成的混合物和至少一种可聚合单体化合物和任选冷却的混合物,随后 通过任选地分离聚合物产物。

    Polymerization processes
    4.
    发明授权
    Polymerization processes 失效
    聚合工艺

    公开(公告)号:US5610250A

    公开(公告)日:1997-03-11

    申请号:US620728

    申请日:1996-03-25

    IPC分类号: C08F2/38 C08F10/00

    CPC分类号: C08F10/00

    摘要: A polymerization process comprising: heating a mixture comprised of a free radical initiator, a stable free radical agent, at least one polymerizable monomer compound, and optionally a solvent, to form a polymer with a high monomer to polymer conversion and a narrow polydispersity, wherein said polymer is comprised of a covalently bound free radical initiator fragment at one end and a covalently bound stable free radical compound at the other end of the polymer, and wherein said stable free radical agent has high thermal, acidic, and photochemical stability.

    摘要翻译: 一种聚合方法,包括:加热由自由基引发剂,稳定的自由基试剂,至少一种可聚合单体化合物和任选的溶剂组成的混合物,以形成具有高单体与聚合物转化率和窄的多分散性的聚合物,其中 所述聚合物由一端的共价结合的自由基引发剂片段和在聚合物的另一端共价结合的稳定的自由基化合物组成,并且其中所述稳定的自由基试剂具有高的热,酸和光化学稳定性。

    Toner compositions and processes thereof
    6.
    发明授权
    Toner compositions and processes thereof 失效
    调色剂组合物及其工艺

    公开(公告)号:US5346790A

    公开(公告)日:1994-09-13

    申请号:US990476

    申请日:1992-12-14

    IPC分类号: G03G9/08 G03G9/093 G03G9/00

    摘要: A process for the preparation of a toner comprising: preparing an organic phase comprised of a first nonpolar olefinic monomer, a second nonpolar diolefinic monomer, a pigment, a free radical initiator, and optionally a charge control agent; adding the organic phase to an aqueous phase comprised of at least one surfactant; shearing the organic phase into the aqueous phase to form a microdroplet suspension of the organic phase dispersed in the aqueous phase; heating and polymerizing the microdroplets in the suspension to form nonpolar olefinic resin particles; halogenating the nonpolar olefinic resin particle mixture to form a nonpolar toner having a halopolymer resin outer surface or encapsulating shell; and optionally isolating the surface halogenated nonpolar toner.

    摘要翻译: 一种制备调色剂的方法,包括:制备由第一非极性烯属单体,第二非极性二烯烃单体,颜料,自由基引发剂和任选的电荷控制剂组成的有机相; 将有机相加入到由至少一种表面活性剂组成的水相中; 将有机相切割到水相中以形成分散在水相中的有机相的微滴悬浮液; 加热和聚合悬浮液中的微滴形成非极性烯烃树脂颗粒; 将非极性烯烃树脂颗粒混合物卤化以形成具有卤素聚合物树脂外表面或封装壳的非极性调色剂; 并且可选地分离表面卤化非极性调色剂。

    Toner processes
    8.
    发明授权
    Toner processes 失效
    墨粉处理

    公开(公告)号:US5266439A

    公开(公告)日:1993-11-30

    申请号:US871152

    申请日:1992-04-20

    IPC分类号: G03G9/08 G03G9/087 G03G9/093

    CPC分类号: G03G9/0806 G03G9/09392

    摘要: A process for the preparation of toner compositions which comprises mixing a monomer or plurality of monomers, pigment and optional charge control additive; dispersing the resulting mixture in an aqueous surfactant medium to provide microdroplets of a geometric size distribution of from about 1.4 to about 1.7; adding a second monomer whereby the second monomer is absorbed by the microdroplets such that the geometric size distribution thereof is reduced to from between about 1.2 to about 1.0; effecting polymerization of the resulting mixture and separating the toner comprised of a core polymer resin, pigment, optional charge control additive and a polymer thereover.

    摘要翻译: 一种制备调色剂组合物的方法,其包括混合单体或多种单体,颜料和任选的电荷控制添加剂; 将所得混合物分散在水性表面活性剂介质中,以提供约1.4至约1.7的几何尺寸分布的微滴; 添加第二单体,由此第二单体被微滴吸收,使得其几何尺寸分布降低至约1.2至约1.0; 进行所得混合物的聚合并分离由芯聚合物树脂,颜料,任选的电荷控制添加剂和其上的聚合物组成的调色剂。

    Polysiloxane crosslinked styrene/butadiene copolymers
    9.
    发明授权
    Polysiloxane crosslinked styrene/butadiene copolymers 失效
    聚硅氧烷交联苯乙烯/丁二烯共聚物

    公开(公告)号:US5086141A

    公开(公告)日:1992-02-04

    申请号:US516571

    申请日:1990-04-30

    摘要: A crosslinked polysiloxane styrene/butadiene copolymer represented by the formula of FIG. 1 wherein m is a number of from about 2 to about 10; n is a number of from about 10 to about 1,000; k, l, o, p, q, r, s, t, u are weight fraction numbers totaling one with the sum of k+p+r+t being from about 0.35 to about 0.94; the sum of l+q+s+u being from about 0.05 to about 0.2 and o is from about 0.02 to about 0.5; R is CH.sub.1 CH(R'), or alkylene - CR" C(O)O, where R' is an aromatic or substituted aromatic substituent and R" is hydrogen or an alkyl substituent.

    摘要翻译: 由图1的式表示的交联聚硅氧烷苯乙烯/丁二烯共聚物 1,其中m为约2至约10的数; n为约10至约1,000的数; k,l,o,p,q,r,s,t,u是k + p + r + t之和为一个的重量分数,为约0.35至约0.94; l + q + s + u的总和为约0.05至约0.2,o为约0.02至约0.5; R是CH1CH(R')或亚烷基-CR“C(O)O,其中R'是芳族或取代的芳族取代基,R”是氢或烷基取代基。

    Polymerization process for the preparation of a resin
    10.
    发明授权
    Polymerization process for the preparation of a resin 失效
    用于制备树脂的聚合方法

    公开(公告)号:US06472485B2

    公开(公告)日:2002-10-29

    申请号:US09976992

    申请日:2001-10-12

    IPC分类号: C08F222

    CPC分类号: C08F2/38 C08F2/30

    摘要: A process for the preparation of a thermoplastic resin, or thermoplastic resins comprising: forming, or providing a miniemulsion comprised of a mixture of an oligomeric compound of the formula R-SFR, wherein R is an oligomeric compound comprised of from about 1 to about 30 monomer units and optionally a covalently bonded free radical initiator compound, -SFR is a covalently bound stable free radical end group, and at least one free radical polymerizable monomer compound, and a surfactant; and heating the miniemulsion wherein there results a latex thermoplastic resin or a latex of thermoplastic resins with a high monomer to polymer conversion of about 85 to about 100 percent and a narrow polydispersity of from about 1.1 to about 2.0.

    摘要翻译: 一种制备热塑性树脂或热塑性树脂的方法,包括:形成或提供由式R-SFR的低聚化合物的混合物组成的细乳液,其中R为约1至约30的低聚化合物 单体单元和任选的共价键合的自由基引发剂化合物,-SFR是共价结合的稳定的自由基端基,以及至少一种可自由基聚合的单体化合物和表面活性剂; 加热微乳液,其中产生胶乳热塑性树脂或具有约85至约100%的高单体至聚合物转化率和约1.1至约2.0的窄多分散性的热塑性树脂胶乳。