公开(公告)号：US20080213696A1

公开(公告)日：2008-09-04

申请号：US12090679

申请日：2006-04-04

Applicant: Pascal Meeus ,  Joan Vermeersch

Inventor： Pascal Meeus ,  Joan Vermeersch

IPC: G03F7/12 ,  G03F7/004

CPC classification number: B41C1/1025 ,  B41C2201/02 ,  B41C2201/14 ,  B41C2210/04 ,  B41C2210/06 ,  B41C2210/08 ,  B41C2210/10 ,  B41C2210/22 ,  B41C2210/24

Abstract: A heat-sensitive negative-working lithographic printing plate precursor includes on a grained and anodized aluminum support a coating including hydrophobic thermoplastic polymer particles, a hydrophilic binder, and an organic compound, wherein the organic compound includes at least one phosphonic acid group or at least one phosphoric acid group or a salt thereof.

Abstract translation: 热敏负性平版印刷版原版在颗粒和阳极氧化的铝载体上包括包含疏水性热塑性聚合物颗粒，亲水性粘合剂和有机化合物的涂层，其中有机化合物包括至少一个膦酸基团或至少 一个磷酸基或其盐。

公开(公告)号：US07354696B2

公开(公告)日：2008-04-08

申请号：US11173466

申请日：2005-06-30

Applicant: Joan Vermeersch ,  Pascal Meeus ,  Dirk Kokkelenberg

Inventor： Joan Vermeersch ,  Pascal Meeus ,  Dirk Kokkelenberg

IPC: B41C1/10 ,  B41M5/36

CPC classification number: B41C1/1025 ,  B41C2201/02 ,  B41C2201/14 ,  B41C2210/04 ,  B41C2210/06 ,  B41C2210/22 ,  B41C2210/24 ,  Y10S430/145

Abstract: A method for making a lithographic printing plate is disclosed which comprises the steps of: (i) providing a negative-working, heat-sensitive lithographic printing plate precursor comprising a support having a hydrophilic surface or which is provided with a hydrophilic layer and a coating provided thereon, the coating comprising an image-recording layer which comprises hydrophobic thermoplastic polymer particles and a hydrophilic binder,  wherein the hydrophobic thermoplastic polymer particles have an average particle size in the range from 45 nm to 63 nm and wherein the amount of the hydrophobic thermoplastic polymer particles in the image-recording layer is at least 70% by weight relative to the image-recording layer; (ii) exposing the coating to heat or infrared light, thereby inducing coalescence of the thermoplastic polymer particles at exposed areas of the coating; (iii) developing the precursor by applying an aqueous, alkaline solution, thereby removing non-exposed areas of the coating from the support, wherein the aqueous alkaline solution has a pH≧11 and comprises a phosphate buffer or a silicate buffer.

Abstract translation: 公开了一种制备平版印刷版的方法，其包括以下步骤：（i）提供负性工作的热敏平版印刷版原版，其包含具有亲水性表面的支持体或设有亲水层和涂层 提供在其上的涂层包括包含疏水性热塑性聚合物颗粒和亲水性粘合剂的图像记录层，其中所述疏水性热塑性聚合物颗粒的平均粒度在45nm至63nm的范围内，并且其中所述疏水性热塑性聚合物的量 图像记录层中的聚合物颗粒相对于图像记录层为至少70重量％ （ii）将涂层暴露于热或红外光，从而在涂层的暴露区域引起热塑性聚合物颗粒的聚结; （iii）通过施加水性碱性溶液来显影前体，从而从载体除去涂层的未曝光区域，其中碱性水溶液的pH> = 11且包含磷酸盐缓冲液或硅酸盐缓冲液。

公开(公告)号：US07186498B2

公开(公告)日：2007-03-06

申请号：US10956871

申请日：2004-10-01

Applicant: Willi-Kurt Gries ,  Marc Van Damme ,  Pascal Meeus ,  Mario Boxhorn

Inventor： Willi-Kurt Gries ,  Marc Van Damme ,  Pascal Meeus ,  Mario Boxhorn

IPC: G03F7/32

CPC classification number: G03F7/322

Abstract: The invention relates to an alkaline developer for irradiated radiation sensitive compositions, which developer is based on water and at least one inorganic salt having an alkaline reaction, wherein the developer has a pH of at least 11 and comprises at least three structurally different surfactants of formulae (A), (B) and (C), characterised in that the surfactant of formula (A) has one anionic group, the surfactant of formula (B) has two anionic groups, the surfactant of formula (C) is non-ionic and has at least one non-ionic hydrophilic group, and the concentration of each of the surfactants of formulae (A), (B) and (C) in the developer is at least 0.05 weight-% based on the total weight of the developer. The developer leads to less depositions and has a superior stability when used.

Abstract translation: 本发明涉及一种用于辐照敏感组合物的碱性显影剂，该显色剂基于水和至少一种具有碱性反应的无机盐，其中显影剂的pH至少为11，并且包含至少三种结构不同的式 （A），（B）和（C），其特征在于式（A）的表面活性剂具有一个阴离子基团，式（B）的表面活性剂具有两个阴离子基团，式（C）的表面活性剂是非离子的 并且具有至少一个非离子亲水基团，并且显影剂中式（A），（B）和（C）的每种表面活性剂的浓度相对于显影剂的总重量为至少0.05重量％ 。 开发人员的沉积少，在使用时具有优异的稳定性。

公开(公告)号：US20060014104A1

公开(公告)日：2006-01-19

申请号：US11174088

申请日：2005-06-30

Applicant: Joan Vermeersch ,  Pascal Meeus

Inventor： Joan Vermeersch ,  Pascal Meeus

IPC: G03F7/00

CPC classification number: B41C1/1025 ,  B41C2201/02 ,  B41C2201/14 ,  B41C2210/04 ,  B41C2210/06 ,  B41C2210/22 ,  B41C2210/24 ,  G03F7/322 ,  Y10S430/145 ,  Y10S430/146

Abstract: A method for making a lithographic printing plate is disclosed which comprises the steps of: (i) providing a negative-working, heat-sensitive lithographic printing plate precursor comprising a support having a hydrophilic surface or which is provided with a hydrophilic layer and a coating provided thereon, the coating comprising an image-recording layer which comprises hydrophobic thermoplastic polymer particles and a hydrophilic binder, wherein the hydrophobic thermoplastic polymer particles have an average particle size in the range from 45 nm to 63 nm, and wherein the amount of the hydrophobic thermoplastic polymer particles in the image-recording layer is at least 70% by weight relative to the image-recording layer; (ii) exposing the coating to heat or infrared light, thereby inducing coalescence of the thermoplastic polymer particles at exposed areas of the coating; (iii) developing the precursor by applying an aqueous alkaline solution, thereby removing non-exposed areas of the coating from the support, wherein the aqueous alkaline solution has a pH≧10 and comprises a surfactant.

Abstract translation: 公开了一种制备平版印刷版的方法，其包括以下步骤：（i）提供负性工作的热敏平版印刷版原版，其包含具有亲水性表面的支持体或设有亲水层和涂层 所述涂层包含包含疏水性热塑性聚合物颗粒和亲水性粘合剂的图像记录层，其中所述疏水性热塑性聚合物颗粒的平均粒径在45nm至63nm的范围内，并且其中疏水性 图像记录层中的热塑性聚合物颗粒相对于图像记录层为至少70重量％ （ii）将涂层暴露于热或红外光，从而在涂层的暴露区域引起热塑性聚合物颗粒的聚结; （iii）通过施加碱性水溶液来显影前体，从而从载体除去涂层的未曝光区域，其中碱性水溶液的pH> = 10并包含表面活性剂。