会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 12. 发明授权
    • Silver halide photographic material
    • 卤化银照相材料
    • US6043010A
    • 2000-03-28
    • US40383
    • 1998-03-18
    • Hirohisa HokazonoTomokazu YasudaKentaro ShiratsuchiTakashi Ozawa
    • Hirohisa HokazonoTomokazu YasudaKentaro ShiratsuchiTakashi Ozawa
    • G03C7/00G03C1/04G03C1/76G03C1/795G03C1/95G03C3/00G03C7/30
    • G03C1/95G03C1/7614G03C7/3029Y10S430/151Y10S430/162
    • An object of the present invention is to provide a silver halide photographic material having improved antiblocking property without deterioration of film brittleness and image quality due to addition of a polymer latex.A silver halide photographic material having at least one silver halide emulsion layer and at least one nonsensitive protective layer on a support, in which the nonsensitive protective layer contains polymer grains represented by the following General Formula (1) in a proportion by weight of 5 to 300% to a hydrophilic colloid as a binder, and the polymer grains have a mean grain diameter of at most 0.1 .mu.m,--(A).sub.x --(B).sub.y --(C).sub.z -- General Formula (1)wherein A is a repeated unit derived from an ethylenically unsaturated monomer containing carboxyl group, B is a repeated unit derived from a cross-linking monomer having at least two ethylenically unsaturated groups and C is a repeated unit derived from another ethylenically unsaturated monomer than those of A and B, x, y and z are copolymerization ratios, x being 1 to 50 weight %, y being 0 to 20 weight % and z being 30 to 85 weight %, and x+y+z=100.
    • 本发明的目的是提供一种具有改善的防粘连性能的卤化银照相材料,而不会由于加入聚合物胶乳而导致薄膜脆性和图像质量下降。 一种卤化银照相材料,其在载体上具有至少一个卤化银乳剂层和至少一个非敏感性保护层,其中非敏感性保护层含有由以下通式(1)表示的聚合物颗粒,重量比为5至 300%的亲水胶体作为粘合剂,并且聚合物颗粒的平均粒径至多为0.1μm, - (A)x-(B)y-(C)z-通式(1)其中A为 衍生自含羧基的烯键式不饱和单体的重复单元B是衍生自具有至少两个烯属不饱和基团的交联单体的重复单元,C是来自另一种烯属不饱和单体的重复单元,比A和B x,y和z为共聚比,x为1〜50重量%,y为0〜20重量%,z为30〜85重量%,x + y + z = 100。
    • 13. 发明授权
    • Silver halide photographic material
    • 卤化银照相材料
    • US5932406A
    • 1999-08-03
    • US686695
    • 1996-07-26
    • Yutaka AdegawaKentaro Shiratsuchi
    • Yutaka AdegawaKentaro Shiratsuchi
    • G03C1/053G03C1/32G03C1/85G03C1/95G03C1/76
    • G03C1/95Y10S430/151
    • Disclosed is a silver halide photographic material which comprises a monodispersed polymer having an average grain size of from 1 to 10 .mu.m and variation coefficient of 0.10 or less and having a functional group which forms a covalent bond by reacting with an organic hardening agent or gelatin. Preferably, the polymer is a polymer obtained by polymerization by adding to a hydrophilic organic solution a high molecular weight dispersant which is dissolved in the hydrophilic organic solution and further adding at least one vinyl monomer which is dissolved in the hydrophilic organic solution but the polymer to be formed is precipitated from the hydrophilic organic solution. More preferably, the polymer contains 60 wt % or more of the repeating unit derived from methyl methacrylate and has a glass transition point of 60.degree. C. or more. The silver halide photographic material is excellent in antistatic property, transporting property, adhesion resistance, transparency, scratch resistance, graininess, drying property and mat pinholes.
    • 公开了一种卤化银照相材料,其包含平均粒度为1-10μm的单分散聚合物和0.10或更小的变异系数,并且具有通过与有机硬化剂或明胶反应形成共价键的官能团 。 优选地,聚合物是通过向亲水性有机溶液中加入溶解在亲水性有机溶液中的高分子量分散剂并进一步加入至少一种溶解在亲水性有机溶液而是聚合物中的乙烯基单体而聚合而获得的聚合物, 形成从亲水性有机溶液中沉淀出来。 更优选地,聚合物含有60重量%以上的衍生自甲基丙烯酸甲酯的重复单元,玻璃化转变点为60℃以上。 卤化银感光材料的抗静电性,输送性,耐粘附性,透明性,耐擦伤性,颗粒性,干燥性和垫针孔性优异。
    • 16. 发明授权
    • Cationic high-molecular weight compound
    • 阳离子高分子量化合物
    • US5362613A
    • 1994-11-08
    • US5114
    • 1993-01-15
    • Kentaro ShiratsuchiFumio Kawamoto
    • Kentaro ShiratsuchiFumio Kawamoto
    • C08F210/00C08F20/34C08F20/52C08F30/08C08F220/34C08F220/60C08F230/08C08F290/00C08F290/02C08F299/00C08F299/02C09K3/16G03C1/89G03C1/85
    • C09K3/16G03C1/89Y10S430/142
    • A cationic high-molecular weight compound is represented by formula (I): ##STR1## wherein R.sup.1 and R.sup.2 may be the same or different and each represents a hydrogen atom or C.sub.1-6 lower alkyl group; L.sup.1 represents --COO-- or --CONH-- and L.sup.2 represents a divalent group; J represents a C.sub.1-20 alkylene group or C.sub.7-20 aralkylene group; R.sup.3, R.sup.4 and R.sup.5 may be the same or different and each represents a C.sub.1-20 alkyl group or C.sub.7-20 aralkyl group; X.sup.- represents an anion; A represents a repeating unit made from a polymerizable monomer; n represents a number-average polymerization degree of 2 or more; Y represents a monovalent connecting group; B represents an ethylenically unsaturated monomer containing at least two ethylenically unsaturated groups or a repeating unit made from N-methylol (meth)acrylamide or N-alkylether (meth)acrylamide; D represents a repeating unit made from an ethylenically unsaturated monomer; and p, q, r and s each represents a monomer component weight percentage, with the proviso that p, q, r and s are 1 to 99% by weight, 0.5 to 70% by weight, 1 to 40% by weight and 0 to 98% by weight, respectively, and p+q+r+s=100. A silver halide photographic material contains constituent layers including at least one light-sensitive silver halide emulsion layer on a support, wherein at least one of the constituent layers contains such a cationic high-molecular weight compound.
    • 阳离子高分子化合物由式(I)表示:其中R 1和R 2可以相同或不同,各自表示氢原子或C 1-6低级烷基; L 1表示-COO-或-CONH-,L 2表示二价基团; J表示C1-20亚烷基或C7-20亚芳基; R3,R4和R5可以相同或不同,各自表示C1-20烷基或C7-20芳烷基; X-表示阴离子; A表示由可聚合单体制成的重复单元; n表示数均聚合度2以上。 Y表示一价连接基团; B表示含有至少两个烯属不饱和基团的烯属不饱和单体或由N-羟甲基(甲基)丙烯酰胺或N-烷基醚(甲基)丙烯酰胺制成的重复单元; D表示由烯属不饱和单体制成的重复单元; p,q,r和s各自表示单体成分重量百分数,条件是p,q,r和s为1〜99重量%,0.5〜70重量%,1〜40重量%,0 至98重量%,p + q + r + s = 100。 卤化银照相材料包含在载体上包含至少一个感光卤化银乳剂层的构成层,其中至少一个组成层含有这种阳离子高分子量化合物。