Method for improving chemical silver spraying speed and quality of holographic plate making
A chemical and holographic technology, which is applied in the direction of liquid chemical plating, metal material coating process, coating, etc., can solve the problems of hydrazine hydrate human body and environmental hazards, and achieve the effect of bright surface, improved work efficiency and simple process
Active Publication Date: 2010-06-09
湖北省葛店开发区晨光实业有限公司 +1
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The applicant provides a chemical silver spray solution and process method (publication number: CN101343735), which replaces hydrazine hydrate with glucose, and reasonably assembles a set of chemical silver spray solutions, including cleaning liquid, surface treatment liquid, and sensitizing liquid , silver-spraying solution and glucose solution, successfully realized the chemical silver-spraying work on the organic plate or photosensitive plate carrying the holographic image, and overcome the defect that hydrazine hydrate is harmful to the human body and the environment, but the applicant The method also has defects. Before spraying, it is necessary to repeatedly carry out surface treatment and sensitization. Generally, it takes 2-3 times to ensure the subsequent silver spraying effect.
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[0013] The specific implementation manners and related technical problems of the present invention will be further described in detail below in conjunction with the examples. Electroless silver plating is the earliest developed chemical plating method, so it is an old topic. The technology of chemical silver plating has been widely disclosed in the world, and many mature technologies exist. The sputtering technology developed in recent years uses a single-head spray gun to spray cleaning liquid and surface treatment liquid, and a double-head spray gun to spray silver liquid and reducing liquid at the same time, and has achieved considerable success in rapid spray plating. In the prior art, some people use highly toxic hydrazine hydrate as a reducing agent in spray plating, and the reduction effect is really good, but the harm to the operator and the environment cannot be ignored. In order to overcome the defect of hydrazine hydrate, the applicant has developed his own method, ...
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The invention discloses a method for improving the chemical silver spraying speed and quality of holographic plate making, which comprises a cleaning working procedure, a surface processing working procedure and a chemical silver spraying working procedure, wherein a single-ended spray gun is adopted to respectively spray a cleaning solution and a surface processing solution in the cleaning working procedure and the surface processing working procedure, and a double-ended spray gun is adopted to simultaneously spray a silver solution and a reducing solution in the chemical silver spraying working procedure. The invention preferentially selects a plurality of surfactants to improve the states of the solutions, adopts a spraying mode to deposit metallic silver on a non-metallic surface, and can markedly improve the chemical silver spraying speed and quality. Compared with the prior art, the method has the characteristics of simple process, convenient operation, work efficiency improvement, bright and compact deposited metallic silver surface, difficult shedding and the like, and is environment-friendly and particularly suitable for massive and large batch production.
Description
technical field [0001] The invention belongs to the technical field of chemical spraying, in particular to a method capable of obviously improving the speed and quality of chemical spraying silver for holographic plate making. Background technique [0002] At present, in the production of laser holographic anti-counterfeiting packaging materials and laser holographic anti-counterfeiting labels, the method of immersion silver is mainly used, that is, the combination of immersion silver solutions is first placed in several layers in the order of activation solution, sensitization solution, and deposition metal silver solution. In the basin-shaped container, the organic plate or photosensitive plate with holographic image that needs to deposit metallic silver is immersed in the container with the corresponding solution according to the sequence of activation, sensitization, and metallic silver deposition according to the corresponding specified time, and then taken out after imm...
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IPC IPC(8): C23C18/44C23C18/18
Inventor 王群涂文芳刘长根
Owner 湖北省葛店开发区晨光实业有限公司