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    • 3. 发明申请
    • Photosensitive composition
    • 感光组合物
    • US20050058934A1
    • 2005-03-17
    • US10928107
    • 2004-08-30
    • Ikuo KawauchiIppei Nakamura
    • Ikuo KawauchiIppei Nakamura
    • G03F7/038B41C1/10G03C1/76G03F7/00G03F7/004G03F7/023G03F7/039
    • B41C1/1008B41C1/1016B41C2210/02B41C2210/06B41C2210/14B41C2210/22B41C2210/24B41C2210/262G03F7/023Y10S430/106Y10S430/107Y10S430/111Y10S430/145
    • The positive type photosensitive composition of the present invention comprises a polymer compound (A) having, in a side chain thereof, a polymerizable group or a cross-linkable group, and an infrared absorbent (B). Preferably, the polymerizable group or cross-linkable group is incorporated into molecules of the polymer compound (A) through a structural unit having this group in a side chain thereof. Specifically, the structural unit is preferably a structural unit having any one of structures represented by the following general formulae (1) to (4): wherein A, B, X each independently represents a single bond, an oxygen atom, a sulfur atom or the like; L and M each independently represent a bivalent organic group; R1 to R12 represents a hydrogen atom or a monovalent organic group; R13 to R24 each independently represents a monovalent organic group; and Y represents an oxygen atom, a sulfur atom, or a phenylene group which may have a substituent.
    • 本发明的正型感光性组合物包含在侧链具有聚合性基团或可交联基团的高分子化合物(A)和红外线吸收剂(B)。 优选地,可聚合基团或可交联基团通过其侧链中具有该基团的结构单元引入高分子化合物(A)的分子中。 具体而言,结构单元优选为具有以下通式(1)〜(4)所示的结构中的任一种的结构单元:其中,A,B,X各自独立地表示单键,氧原子,硫原子或 类似; L和M各自独立地表示二价有机基团; R 1至R 12代表氢原子或一价有机基团; R 13至R 24各自独立地表示一价有机基团; Y表示可以具有取代基的氧原子,硫原子或亚苯基。
    • 4. 发明申请
    • Planographic printing plate precursor
    • 平版印刷版前体
    • US20050014093A1
    • 2005-01-20
    • US10891082
    • 2004-07-15
    • Kotaro WatanabeIppei NakamuraIkuo KawauchiYusuke Hatanaka
    • Kotaro WatanabeIppei NakamuraIkuo KawauchiYusuke Hatanaka
    • G03F7/004B41C1/10G03F7/00G03C1/76
    • B41C1/1008B41C1/1016B41C2201/04B41C2201/12B41C2201/14B41C2210/02B41C2210/06B41C2210/22B41C2210/24B41C2210/262
    • The present invention relates to a positive-type planographic printing plate precursor comprising: a hydrophilic substrate; an image recording layer including a novolak resin (A) and a light-to-heat conversion agent (B), disposed on the substrate, the image recording layer increasing in solubility in an aqueous alkali solution when exposed to light emitted from an infrared laser, wherein the weight average molecular weight (Mw) of the novolak resin (A) is in a range of 500 to 10000 based on polystyrene, the molecular weight being found by a gel permeation chromatographic (GPC) method using monodispersion polystyrene as a standard, and the degree of dispersion (Mw/Mn) is 1.7 or less when the weight average molecular weight (Mw) is 500 to 3000, the degree of dispersion (Mw/Mn) is 2.0 or less when the weight average molecular weight (Mw) is 3000 to 4500, and the degree of dispersion (Mw/Mn) of the novolak resin (A) fulfills the following equation: (Mw/Mn)≦{(4·Mw−1500)/5500}, when the weight average molecular weight (Mw) is 4500 to 10000.
    • 本发明涉及一种正型平版印刷版原版,其包括:亲水基底; 设置在基板上的包含酚醛清漆树脂(A)和光热转换剂(B)的图像记录层,当暴露于从红外激光发射的光时,图像记录层在碱性水溶液中的溶解度增加 其中酚醛清漆树脂(A)的重均分子量(Mw)为聚苯乙烯为500〜10000,通过使用单分散聚苯乙烯作为标准的凝胶渗透色谱法(GPC)法, 当重均分子量(Mw)为500〜3000时,分散度(Mw / Mn)为1.7以下,当分子量(Mw / Mn)为2.0以下时,当重均分子量 为3000〜4500,并且酚醛清漆树脂(A)的分散度(Mw / Mn)满足下式:(Mw / Mn)<= {(4.Mw-1500)/ 5500},当重均分子量 分子量(Mw)为4500〜10000。
    • 6. 发明授权
    • Photosensitive composition
    • 感光组合物
    • US07135271B2
    • 2006-11-14
    • US10928107
    • 2004-08-30
    • Ikuo KawauchiIppei Nakamura
    • Ikuo KawauchiIppei Nakamura
    • G03C1/73G03F7/039
    • B41C1/1008B41C1/1016B41C2210/02B41C2210/06B41C2210/14B41C2210/22B41C2210/24B41C2210/262G03F7/023Y10S430/106Y10S430/107Y10S430/111Y10S430/145
    • The positive type photosensitive composition of the present invention comprises a polymer compound (A) having, in a side chain thereof, a polymerizable group or a cross-linkable group, and an infrared absorbent (B). Preferably, the polymerizable group or cross-linkable group is incorporated into molecules of the polymer compound (A) through a structural unit having this group in a side chain thereof. Specifically, the structural unit is preferably a structural unit having any one of structures represented by the following general formulae (1) to (4): wherein A, B, X each independently represents a single bond, an oxygen atom, a sulfur atom or the like; L and M each independently represent a bivalent organic group; R1 to R12 represents a hydrogen atom or a monovalent organic group; R13 to R24 each independently represents a monovalent organic group; and Y represents an oxygen atom, a sulfur atom, or a phenylene group which may have a substituent.
    • 本发明的正型感光性组合物包含在侧链具有聚合性基团或可交联基团的高分子化合物(A)和红外线吸收剂(B)。 优选地,可聚合基团或可交联基团通过其侧链中具有该基团的结构单元引入高分子化合物(A)的分子中。 具体而言,结构单元优选为具有以下通式(1)〜(4)所示的结构中的任一种的结构单元:其中,A,B,X各自独立地表示单键,氧原子,硫原子或 类似; L和M各自独立地表示二价有机基团; R 12至R 12代表氢原子或一价有机基团; R 12至R 24各自独立地表示一价有机基团; Y表示可以具有取代基的氧原子,硫原子或亚苯基。