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    • 3. 发明授权
    • Thermal mass transfer imaging system
    • 热质传递成像系统
    • US06761788B2
    • 2004-07-13
    • US10159871
    • 2002-05-30
    • Anemarie DeYoungJames A. FoleyAlfredo G. KniazzehEdward P. LindholmStephen J. TelferWilliam T. VetterlingMichael S. ViolaHyung-Chul Choi
    • Anemarie DeYoungJames A. FoleyAlfredo G. KniazzehEdward P. LindholmStephen J. TelferWilliam T. VetterlingMichael S. ViolaHyung-Chul Choi
    • B41M530
    • B41M5/52B41M5/345B41M5/392B41M5/41B41M5/5218B41M5/5227B41M5/529B41M2205/32Y10T428/24802
    • There is described a nanoporous receiver element for use in thermal mass transfer imaging applications. The receiver element comprises a substrate carrying an image-receiving layer comprising particulate material and a binder material. The substrate may comprise a material having a compressibility of at least 1% under a pressure of 1 Newton per mm2 (1 MPa). Optionally, there may be provided, between the substrate and the nanoporous receiving layer, a layer having a thickness of less than about 50 &mgr;m which is comprised entirely of a material having a compressibility of less than about 1% under a pressure of 1 MPa. Alternatively, the substrate may comprise only the material having a compressibility of less than about 1% under a pressure of 1 MPa, provided that the thickness of the substrate does not exceed about 50 &mgr;m. The image-receiving layer comprises particulate material and a binder material, has a void volume of from about 40% to about 70% and a pore diameter distribution wherein at least 50% of the pores having a diameter greater than about 30 nm have diameters less than about 300 nm and at least 95% of the pores having diameters greater than about 300 nm have diameters less than about 1000 nm.
    • 描述了用于热质量传递成像应用的纳米孔接收元件。 接收器元件包括承载包含颗粒材料和粘合剂材料的图像接收层的基板。 衬底可以包括在1牛顿每mm 2(1MPa)的压力下具有至少1%的压缩性的材料。 任选地,可以在基材和纳米多孔接收层之间提供厚度小于约50μm的层,其完全由在1MPa的压力下具有小于约1%的压缩性的材料组成。 或者,只要基材的厚度不超过约50μm,基材可以仅在1MPa的压力下仅包含具有小于约1%的压缩性的材料。 图像接收层包括颗粒材料和粘合剂材料,具有约40%至约70%的空隙体积和细孔直径分布,其中至少50%的直径大于约30nm的孔的直径较小 大于约300nm,直径大于约300nm的孔的至少95%具有小于约1000nm的直径。
    • 4. 发明授权
    • Process for preparing cationic polymers
    • 制备阳离子聚合物的方法
    • US4340522A
    • 1982-07-20
    • US142637
    • 1980-04-22
    • Irena Y. Bronstein-BonteEdward P. Lindholm
    • Irena Y. Bronstein-BonteEdward P. Lindholm
    • C08F212/14C08F226/06G03C8/56C08L39/08
    • G03C8/56C08F212/14C08F226/06
    • A process for preparing a solution of a copolymer of a vinylpyridine and an ethylenically-unsaturated copolymerizable vinylbenzyl quaternary salt is disclosed. The process comprises polymerizing, in the presence of a polymerization medium comprising water and a lower alcohol, a vinylpyridine and a copolymerizable vinylbenzyl quaternary ammonium salt having the formula ##STR1## wherein each of R.sup.1, R.sup.2 and R.sup.3 is independently alkyl; substituted alkyl; cycloalkyl; aryl; aralkyl; alkaryl, or at least two of R.sup.1, R.sup.2 and R.sup.3 together with the quaternary nitrogen atom to which they are bonded complete a saturated or unsaturated, substituted or unsubstituted nitrogen-containing heterocyclic ring. The process provides the desired copolymer in the form of a clear solution useful in the formation of polymeric coatings or layers utilized as image-receiving layers in photographic products and processes.
    • 公开了一种制备乙烯基吡啶和烯属不饱和可共聚的乙烯基苄基季盐的共聚物溶液的方法。 该方法包括在包含水和低级醇的聚合介质,乙烯基吡啶和具有下式的可共聚的乙烯基苄基季铵盐的存在下聚合:其中R1,R2和R3各自独立地为烷基; 取代的烷基; 环烷基 芳基; 芳烷基 烷芳基或R 1,R 2和R 3中的至少两个与它们所键合的季氮原子一起形成饱和或不饱和的,取代或未取代的含氮杂环。 该方法提供所需的共聚物,其形式为可用于形成用作摄影产品和方法中的图像接收层的聚合物涂层或层。
    • 9. 发明授权
    • Polymeric pH-sensitive optical filter agents and articles including same
    • 聚合物pH敏感光学过滤剂及其制品
    • US4546062A
    • 1985-10-08
    • US635734
    • 1984-07-30
    • Irena Y. Bronstein-BonteEdward P. Lindholm
    • Irena Y. Bronstein-BonteEdward P. Lindholm
    • G03C8/48G03C5/54G03C1/40G03C1/84
    • G03C8/48
    • Polymeric optical filter agents and products and processes using same are disclosed. The polymeric optical filter agents are pH-sensitive materials comprising a polymeric backbone having a plurality of pendant moieties of the formula (I). ##STR1## wherein X is ##STR2## and R is alkyl, aryl, alkaryl or aralkyl; A is hydrogen, alkyl or the radical ##STR3## where each of Y.sup.1, Y.sup.2 and Y.sup.3 is hydrogen or an electron-withdrawing group; and each Z.sup.1, Z.sup.2 and Z.sup.3 is hydrogen or an electron-withdrawing group; with the proviso that, when each of Z.sup.1, Z.sup.2 and Z.sup.3 is hydrogen, said A is a radical ##STR4## wherein at least one of said Y.sup.1, Y.sup.2 and Y.sup.3 groups comprises an electron-withdrawing group. These agents upon contact with alkali are converted from a substantially non-light absorbing form to a highly colored light-absorbing form useful in photographic products.
    • 公开了聚合物光学滤光剂及使用其的产品和方法。 聚合物光学过滤剂是pH敏感材料,其包含具有多个式(I)侧链部分的聚合物骨架。 (I)其中X为X和R为烷基,芳基,烷芳基或芳烷基; A是氢,烷基或基团,其中Y1,Y2和Y3各自为氢或吸电子基团; Z 1,Z 2和Z 3各自为氢或吸电子基团; 条件是当Z1,Z2和Z3各自为氢时,所述A为基团,其中所述Y 1,Y 2和Y 3基团中的至少一个包含吸电子基团。 这些与碱接触的试剂从基本上不吸光的形式转变为可用于摄影产品的高度着色的光吸收形式。