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    • 3. 发明申请
    • HEAT-SENSITIVE POSITIVE WORKING LITHOGAPHIC PRINTING PLATE PRECURSOR
    • 热敏正极工作立体印刷机前驱板
    • WO2005016645A1
    • 2005-02-24
    • PCT/EP2004/008911
    • 2004-08-09
    • KODAK POLYCHROME GRAPHICS GMBHHAUCK, GerhardFRANK, Dietmar
    • HAUCK, GerhardFRANK, Dietmar
    • B41C1/10
    • B41C1/1008B41C2210/02B41C2210/06B41C2210/20B41C2210/22B41C2210/24B41C2210/262Y10S430/106Y10S430/165
    • Heat-sensitive element comprising a) an optionally pretreated substrate; b) a positive working coating comprising (i) at least 40 wt.-%, based on the dry weight of the coating, of at least one polymer soluble in aqueous alkaline developer selected from novolak resins, functionalized novolak resins, polyvinylphenol resins, polyvinyl cresols and poly(meth)acrylates with phenolic and/or sulfonamide side groups, (ii) 01-20 wt.-%, based on the dry weight of the coating, of at least one (C 4 -C 20 alkyl)phenol novolak resin insoluble in aqueous alkaline developer, and (iii) optionally at least one further component selected from polymer particles, surfactants, contrast dyes and pigments, inorganic fillers, antioxidants, print-out dyes, carboxylic acid derivatives of cellulose polymers, plasticizers and substances capable of absorbing radiation of a wavelength from the range of 650 to 1,300 nm and converting it into heat.
    • 热敏元件包括:a)任选预处理的基材; b)正性工作涂层,其包含(i)基于所述涂层的干重至少40重量%的至少一种可溶于含水碱性显影剂的聚合物,其选自酚醛清漆树脂,官能化酚醛清漆树脂,聚乙烯基苯酚树脂,聚乙烯基 甲酚和具有酚和/或磺酰胺侧基的聚(甲基)丙烯酸酯,(ii)基于涂层干重的01-20重量%的至少一种(C 4 -C 20烷基)苯酚酚醛清漆树脂不溶于 在含水碱性显影剂中,和(iii)任选的至少一种选自聚合物颗粒,表面活性剂,造影剂和颜料的其它组分,无机填料,抗氧化剂,印刷染料,纤维素聚合物的羧酸衍生物,增塑剂和能够吸收的物质 波长范围为650至1300nm的辐射并将其转换成热。