Silver halide emulsion having improved sensitometric characteristics
    71.
    发明授权
    Silver halide emulsion having improved sensitometric characteristics 失效
    具有改善的感光特性的卤化银乳剂

    公开(公告)号:US06277550B1

    公开(公告)日:2001-08-21

    申请号:US09435212

    申请日:1999-11-05

    IPC分类号: G03C110

    摘要: A photosensitive silver halide emulsion has been disclosed, containing tabular silver halide grains present in a numerical amount of at least 50%, said tabular grains having an average aspect ratio of at least 1.2, an average equivalent circular grain diameter of at least 0.1 &mgr;m and an average grain thickness of less than 0.3 &mgr;m, characterized in that said grains further include an organic hole trapping dopant. In a particular embodiment said photosensitive silver halide emulsion is containing tabular silver halide grains having a core and an outermost shell, wherein said outermost shell of the grains includes an organic hole trapping dopant satisfying formula (I): wherein X and Y each independently represent O, S or Se; R1 and R2 each independently represents and R represents hydrogen, a substituted or unsubstituted alkyl, a substituted or unsubstituted aryl, a substituted or unsubstituted aralkyl a substituted or unsubstituted heteroaryl; wherein R1 and R2 can be the same or different and may form a ring; E represents a group linked to the carbon atom by a heteroatom, having at least one free electron pair; M+ is a proton or an inorganic or organic counterion; m and n each represents an integer wherein m equals 1 and n equals 1 or 2.

    摘要翻译: 公开了一种感光卤化银乳剂,其含有数量至少为50%的片状卤化银颗粒,所述片状颗粒的平均纵横比至少为1.2,平均当量圆形晶粒直径至少为0.1μm, 平均晶粒厚度小于0.3μm,其特征在于,所述晶粒还包括有机空穴俘获掺杂剂。在特定实施方案中,所述感光卤化银乳剂包含具有芯和最外壳的片状卤化银颗粒,其中所述最外壳 的颗粒包括满足式(I)的有机空穴捕获掺杂剂:其中X和Y各自独立地表示O,S或Se; R 1和R 2各自独立地表示并​​且R表示氢,取代或未取代的烷基,取代或未取代的芳基, 取代或未取代的芳烷基取代或未取代的杂芳基;其中R1和R2可以相同或不同 nd可以形成环; E表示通过具有至少一个自由电子对的杂原子与碳原子连接的基团; M +是质子或无机或有机抗衡离子; m和n各自表示其中m等于1的整数, n等于1或2。

    Radiation curable compositions
    73.
    发明授权
    Radiation curable compositions 有权
    辐射固化组合物

    公开(公告)号:US08536217B2

    公开(公告)日:2013-09-17

    申请号:US13060279

    申请日:2009-09-04

    IPC分类号: A61K31/382 C07D335/10

    CPC分类号: C08F2/50 C08F4/00

    摘要: A polymerizable Norrish Type II photoinitiator according to Formula (I): Radiation curable compositions and inkjet inks containing the polymerizable Norrish Type II photoinitiator of Formula (I) exhibit improved compatibility with and solubility in radiation curable compositions and inkjet inks, and exhibit low extractable amounts of the photoinitiator and its residues after curing.

    摘要翻译: 根据式(I)的可聚合的Norrish II型光引发剂:含有式(I)的可聚合Norrish II型光引发剂的可辐射固化组合物和喷墨油墨显示出与可辐射固化组合物和喷墨油墨的相容性和溶解度的改善,并且显示出低可提取量 的固化后的光引发剂及其残留物。

    Amine co-initiators for radiation curable compositions
    74.
    发明授权
    Amine co-initiators for radiation curable compositions 有权
    用于可辐射固化组合物的胺共引发剂

    公开(公告)号:US08338499B2

    公开(公告)日:2012-12-25

    申请号:US12447052

    申请日:2007-12-17

    IPC分类号: C08F2/50 C09D11/10 C07C317/00

    CPC分类号: C08F2/50

    摘要: A radiation curable composition comprising a curable compound, a photo-initiator and a co-initiator characterized in that said co-initiator is represented by Formula I, wherein MA is the residue of a mono- or oligofunctional Michael acceptor; L is a divalent linking group positioning the two tertiary amines in a 1-3 to 1-10 position, with the proviso that both amines are aliphatic; R1, R2 and R3 independently represent an optionally substituted alkyl group, an optionally substituted alkenyl group , an optionally substituted alkynyl group or an optionally substituted (hetero) alkaryl group; any two of R1, R2 and R3 may represent the necessary atoms to form a ring; any two of R1, R2 and R3 may represent the necessary atoms to form a ring with any of the atoms of the linking group L; n is an integer ranging from 1 to 6.

    摘要翻译: 一种包含可固化化合物,光引发剂和共引发剂的可辐射固化组合物,其特征在于所述共引发剂由式I表示,其中MA是单官能或低官能迈克尔受体的残基; L是二价连接基团,将两个叔胺定位在1-3至1-10个位置,条件是两个胺都是脂族的; R1,R2和R3独立地表示任选取代的烷基,任选取代的烯基,任选取代的炔基或任选取代的(杂)烷芳基; R1,R2和R3中的任何两个可以表示形成环的必要原子; R1,R2和R3中的任何两个可以表示与连接基团L的任何原子形成环的必要原子; n为1〜6的整数。

    Heat sensitive positive-working lithographic printing plate precursor
    75.
    发明授权
    Heat sensitive positive-working lithographic printing plate precursor 有权
    热敏正性平版印刷版前体

    公开(公告)号:US08304166B2

    公开(公告)日:2012-11-06

    申请号:US12552690

    申请日:2009-09-02

    IPC分类号: B41C1/10 G03F7/11

    摘要: A heat-sensitive positive-working lithographic printing plate precursor comprising (1) a support having a hydrophilic surface or which is provided with a hydrophilic layer, (2) a heat-sensitive coating, comprising an underlayer on said support and thereon an upperlayer, an IR absorbing agent in at least one of said underlayer and upperlayer, a phenolic resin in said upperlayer, and a first polymer in said underlayer, characterized in that said first polymer is an alkaline soluble polymer comprising a first sulfonamide containing monomeric unit having a specified structure according to formula I or formula II and a second amide containing monomeric unit having a specified structure according to formula III. The printing plates show an improved chemical resistance of the coating and a reduced undercutting of the image forming parts of the coating.

    摘要翻译: 一种热敏正性平版印刷版原版,其包含(1)具有亲水性表面的或具有亲水层的载体,(2)热敏涂层,其包含在所述载体上的底层上及其上层, 所述底层和上层中的至少一个中的IR吸收剂,所述上层中的酚醛树脂和所述底层中的第一聚合物,其特征在于,所述第一聚合物是包含含有单体单元的第一种磺酰胺的碱溶性聚合物, 根据式I或式II的结构和具有根据式III具有特定结构的第二种含酰胺的单体单元。 印版显示出涂层的耐化学性改善和涂层成像部分的底切减少。

    Radiation curable compositions
    76.
    发明授权
    Radiation curable compositions 有权
    辐射固化组合物

    公开(公告)号:US08063115B2

    公开(公告)日:2011-11-22

    申请号:US12443958

    申请日:2007-11-19

    IPC分类号: C08F2/50 C08F2/42 C08J3/28

    摘要: A radiation curable composition comprising a curable compound, a photo-initiator and a co-initiator, wherein said co-initiator has a structure according to Formula I A-L-B  Formula I wherein A represents a structural moiety comprising an aromatic tertiary amine; B represents a structural moiety comprising at least one aliphatic tertiary amine; L represents a divalent linking group positioning the nitrogen atom of the aromatic amine of the structural moiety A and the nitrogen of at least one aliphatic amine of the structural moiety B in a 1-3 to 1-23 position; with the proviso that at least one aromatic and at least one aliphatic amine each have at least one alfa-hydrogen.

    摘要翻译: 一种包含可固化化合物,光引发剂和共引发剂的可辐射固化组合物,其中所述共引发剂具有根据式I A-L-B式I的结构,其中A表示包含芳族叔胺的结构部分; B表示包含至少一个脂族叔胺的结构部分; L表示将结构部分A的芳族胺的氮原子和结构部分B的至少一种脂族胺的氮定位在1-3至1-23位置的二价连接基团; 条件是至少一种芳族和至少一种脂族胺各自具有至少一个α-氢。

    Pigment Dispersions with Polymeric Dispersants Having Pending Chromophore Groups
    78.
    发明申请
    Pigment Dispersions with Polymeric Dispersants Having Pending Chromophore Groups 有权
    具有悬垂发色团的聚合物分散剂的颜料分散体

    公开(公告)号:US20080227894A1

    公开(公告)日:2008-09-18

    申请号:US11995330

    申请日:2006-06-23

    IPC分类号: C08K5/3445 C08K5/23 C08K5/13

    摘要: A pigment dispersion comprising a colour pigment and a polymeric dispersant having at least one pending chromophore group covalently bound to the polymeric backbone of the polymeric dispersant through a linking group wherein the at least one pending chromophore group is a derivative from a colour pigment selected from the group consisting of monoazo pigments, disazo pigments, β-naphtol pigments, naphtol AS pigments, azo pigment lakes, benzimidazolone pigments, disazo condensation pigments, metal complex pigments, isoindolinone pigments, isoindolinine pigments, phthalocyanine pigments, quinacridone pigments, diketopyrrolo-pyrrole pigments, thioindigo pigments, anthraquinone pigments, anthrapyrimidine pigments, indanthrone pigments, flavanthrone pigments, pyranthrone pigments, anthanthrone pigments, isoviolanthrone pigments, aluminium pigment lakes, dioxazine pigments, triarylcarbonium pigments and quinophthalone pigments; the at least one pending chromophore group is a chromophore group occurring as a side group on the polymeric backbone and not a group in the polymeric backbone itself or occurring solely as an end group of the polymeric backbone; the linking group consists of all the atoms between the polymeric backbone and the first atom of the aromatic group by which the pending chromophore group is linked to the polymeric backbone; the polymeric dispersant has a polymeric backbone with a polymerization degree between 5 and 1000; and at most 30% of the monomer units of the polymeric backbone have a pending chromophore group. The pigment dispersion can be advantageously used in inkjet inks.Also disclosed is a method for preparing the pigment dispersion comprising the step of preparing the polymeric dispersant by copolymerizing a monomer already containing the pending chromophore group.

    摘要翻译: 一种颜料分散体,其包含着色颜料和聚合物分散剂,其具有通过连接基团与聚合物分散剂的聚合物主链共价结合的至少一个未决发色团,其中所述至少一个未决发色团基团是选自以下的颜色颜料的衍生物: 由双偶氮颜料,双偶氮颜料,β-萘酚颜料,萘酚AS颜料,偶氮颜料湖,苯并咪唑酮颜料,双偶氮缩合颜料,金属络合物颜料,异吲哚啉酮颜料,异吲哚啉颜料,酞菁颜料,喹吖啶酮颜料,二酮吡咯并 - 吡咯颜料, 硫靛颜料,蒽醌颜料,蒽嘧啶颜料,阴丹酮颜料,黄烷酮酮颜料,吡喃酮颜料,蒽醌颜料,异卤蒽酮颜料,铝颜料湖,二恶嗪颜料,三芳基碳鎓颜料和喹酞酮颜料; 至少一个未决发色团组是作为聚合物主链上的侧基而不是聚合物主链本身中的基团发生或仅作为聚合物主链的端基发生的发色团。 连接基团由聚合物主链和芳族基团的第一个原子之间的所有原子组成,待处理的发色团通过该原子连接到聚合物主链上; 聚合物分散剂具有聚合度在5和1000之间的聚合物主链; 并且至多30%的聚合物主链的单体单元具有未决的发色团组。 颜料分散体可以有利地用于喷墨油墨中。 还公开了一种制备颜料分散体的方法,其包括通过共聚已经含有待发色团的单体来制备聚合物分散剂的步骤。

    Heat-sensitive lithographic printing plate precursor
    79.
    发明授权
    Heat-sensitive lithographic printing plate precursor 失效
    热敏平版印刷版前体

    公开(公告)号:US07425402B2

    公开(公告)日:2008-09-16

    申请号:US10916154

    申请日:2004-08-11

    摘要: A heat-sensitive lithographic printing plate precursor is disclosed which comprises a hydrophilic support and an oleophilic coating comprising an infrared absorbing agent and a developer soluble polymer which comprises a phenolic monomeric unit wherein the phenyl group of the phenolic monomeric unit is substituted by a group Q, wherein Q has the structure and is covalently linked to a carbon atom of the phenyl group and wherein L1, L2 and L3 are linking groups, a, b and c are 0 or 1, and T1, T2 and T3 are terminal groups. The polymer, substituted by the group Q, increases the chemical resistance of the coating.

    摘要翻译: 公开了一种热敏平版印刷版前体,其包含亲水性载体和亲油性涂层,其包含红外吸收剂和显影剂可溶性聚合物,其包含酚单体单元,其中酚单体单元的苯基被基团Q 其中Q具有结构并共价连接到苯基的碳原子上,其中L 1,L 2和L 3 3是 连接基团a,b和c分别是0或1,T 1,T 2和T 3是末端基团。 由Q组取代的聚合物增加了涂层的耐化学性。

    Pigment Dispersions with Polymeric Dispersants Having Pending Chromophore Groups

    公开(公告)号:US20080214705A1

    公开(公告)日:2008-09-04

    申请号:US11995321

    申请日:2006-06-23

    摘要: A pigment dispersion includes a color pigment and a polymeric dispersant having at least one pending chromophore group covalently bound to the polymeric backbone of the polymeric dispersant through a linking groupwherein the color pigment is selected from the group consisting of monoazo pigments, disazo pigments, β-naphtol pigments, naphtol AS pigments, azo pigment lakes, benzimidazolone pigments, disazo condensation pigments, metal complex pigments, isoindolinone pigments, isoindolinine pigments, phthalocyanine pigments, quinacridone pigments, diketopyrrolo-pyrrole pigments, thioindigo pigments, anthraquinone pigments, anthrapyrimidine pigments, indanthrone pigments, flavanthrone pigments, pyranthrone pigments, anthanthrone pigments, isoviolanthrone pigments, aluminium pigment lakes, dioxazine pigments, triarylcarbonium pigments and quinophthalone pigments; the at least one pending chromophore group has a molecular weight which is smaller than 85% of the molecular weight of the color pigment; the at least one pending chromophore group occurs as a side group on the polymeric backbone and not as a group in the polymeric backbone itself or occurring solely as an end group of the polymeric backbone; the linking group consists of all the atoms between the polymeric backbone and the first atom of the aromatic group by which the pending chromophore group is linked to the polymeric backbone; and the at least one pending chromophore group has a similarity coefficient SIM of at least 0.75, with the similarity coefficient defined by: SIM = t · C M + P - C wherein, M represents the number of atoms in the at least one pending chromophore group; P represents the number of atoms in the color pigment; C represents the largest number of atoms in common between the at least one pending chromophore group and the color pigment as one continuous structure; and t is an integer representing the number of times that the largest number of atoms in common C fits into the organic color pigment, without using atoms of the color pigment twice. A method for preparing the pigment dispersion wherein the polymeric dispersant is prepared by copolymerizing a monomer already containing the pending chromophore group is also disclosed.