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    • 3. 发明授权
    • Nitrogen doped carbon-coated effect pigments and their manufacture
    • 氮掺杂碳涂层效应颜料及其制造
    • US06436538B1
    • 2002-08-20
    • US09374221
    • 1999-08-13
    • Ryuichi TakahashiAdrian SchulthessKimiya TakeshitaFritz HerrenPatrice Bujard
    • Ryuichi TakahashiAdrian SchulthessKimiya TakeshitaFritz HerrenPatrice Bujard
    • B32B516
    • C09C1/0021C01P2004/20C01P2004/84C08F292/00C09B67/0004C09B67/0098C09C1/0015C09C2200/1004C09C2200/102C09C2200/1054C09C2200/1062C09C2200/1087C09C2200/406C09C2220/10Y10T428/2991Y10T428/2998
    • The invention relates to a collection of composite plateletlike particles comprising a core and at least one coating layer consisting essentially of a compound having from 60 to 95% by weight of carbon and from 5 to 25% by weight of nitrogen, the balance to 100% being selected from elements of the group consisting of hydrogen, oxygen and sulfur. The invention also relates to processes for the manufacture thereof, to polymer compositions containing it, and to the use thereof as effect pigments. Preferably, the process for preparing the instant collection of particles comprises the steps of (a) suspending plateletlike particles in a liquid; (b) optionally adding a surface modifier, a polymerisation catalyst or both; (c) before or after step (b), adding one or more polymers containing nitrogen and carbon atoms, or one or more monomers which are capable to polymerize to said polymer; (d) effecting a polymeric coating layer to be formed on the surface of said plateletlike particles from the polymers or monomers added at step (c); (e) isolating said plateletlike particles having said polymeric coating layer from the suspension; and (f) heating said plateletlike particles having said polymeric coating layer to a temperature of from 100° C. to 1000° C. in a gaseous environment.
    • 本发明涉及一种复合片状颗粒的集合,其包含芯和至少一个涂层,所述涂层基本上由具有60至95重量%的碳和5至25重量%的氮的化合物组成,余量为100重量% 选自由氢,氧和硫组成的组的元素。本发明还涉及其制备方法,含有它的聚合物组合物及其作为效果颜料的用途。优选地,制备即时收集的方法 的颗粒包括以下步骤:(a)将片状颗粒悬浮在液体中;(b)任选地加入表面改性剂,聚合催化剂或两者;(c)在步骤(b)之前或之后,加入一种或多种含氮和 碳原子或一种或多种能够聚合到所述聚合物上的单体;(d)在聚合物的所述片状颗粒的表面上形成聚合物涂层 在步骤(c)添加的单体或单体;(e)从悬浮液中分离出具有所述聚合物涂层的所述片状颗粒; 和(f)在气态环境中将具有所述聚合物涂层的所述片状颗粒加热到100℃至1000℃的温度。
    • 5. 发明授权
    • Process for warp-free pigmenting of polyolefins
    • 聚烯烃无翘曲着色的方法
    • US5274010A
    • 1993-12-28
    • US726055
    • 1991-07-05
    • Philippe BugnonFritz Herren
    • Philippe BugnonFritz Herren
    • C08J3/20C08K9/08C08K9/10C08L23/02C09B67/08C08L29/04C09B48/00
    • C09B67/0013C08K9/08C08K9/10Y10T428/2998
    • A process for warp-free pigmenting of polyolefins comprising(A)(i) adsorbing a polyvinyl alcohol film onto the surface of an organic pigment particle,(ii) coating the surface of the polyvinyl alcohol coated organic pigment particle with one or more films of linear or branched homopolymers or copolymers selected from the group consisting of acrylic polymers based on acrylic acid, methacrylic acid, alkyl esters of acrylic or methacrylic acid and mixtures thereof, and(iii) admixing said pigment particles with a polyolefin; or(B)(i) adsorbing a film of hydrolysed zirconium acetylacetonate onto the surface of an organic ##STR1## in which R is methyl or ethyl and m is a number from 1 to 6, onto the surface of the hydrolysed zirconium acetylacetonate coated organic pigment particle, (ii) coating the surface of organic pigment particle coated in accordance with step (B)(i) with one or more films of linear or branched homopolymers or copolymers selected from the group consisting of acrylic polymers based on acrylic acid, methacrylic acid, alkyl esters of acrylic or methacrylic acid and mixtures thereof, and(iii) admixing said pigment particles with a polyolefin; or(C)(i) coating the surface of an organic pigment particle with one or more films or linear or branched homopolymers or copolymers of polyvinyl alcohols, and(ii) admixing said pigment particles with a polyolefin;said organic pigment particle being selected from the group consisting of azo, diketopyrrolopyrrole, perylene, quinacridone, phthalocyanine, perinone, quinophthalone, isoindolinone, isoindoline, benzimidazolone, dioxazine, anthraquinone, thioindigo, methine, azomethine and metal complex pigments.
    • 包括(A)(i)将聚乙烯醇膜吸附到有机颜料颗粒的表面上的方法,(ⅱ)将聚乙烯醇涂覆的有机颜料颗粒的表面用一种或多种 选自基于丙烯酸,甲基丙烯酸,丙烯酸或甲基丙烯酸的烷基酯及其混合物的丙烯酸聚合物的线性或支化均聚物或共聚物,和(iii)将所述颜料颗粒与聚烯烃混合; 或(B)(i)将水解的乙酰丙酮酸锆的膜吸附到有机“IMAGE”的表面上,其中R是甲基或乙基,m是1至6的数,在水解的乙酰丙酮酸锆包被的有机 颜料颗粒,(ii)将根据步骤(B)(i)涂布的有机颜料颗粒的表面用一种或多种线性或支化均聚物或共聚物涂布,所述共聚物或共聚物选自基于丙烯酸的丙烯酸聚合物,甲基丙烯酸 酸,丙烯酸或甲基丙烯酸的烷基酯及其混合物,和(iii)将所述颜料颗粒与聚烯烃混合; 或(C)(i)用一种或多种膜或聚乙烯醇的直链或支链均聚物或共聚物涂覆有机颜料颗粒的表面,和(ii)将所述颜料颗粒与聚烯烃混合; 所述有机颜料颗粒选自偶氮,二酮吡咯并吡咯,苝,喹吖啶酮,酞菁,紫环酮,喹酞酮,异吲哚啉酮,异二氢吲哚,苯并咪唑酮,二恶嗪,蒽醌,硫靛,次甲基,偶氮甲碱和金属络合物颜料。