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Offset Lithography Film

December 20th, 2008

offset lithography film

Waterless offset more good than harm and huge development potential

Waterless offset printing technology as a new technology introduced to China early 90s, caused widespread concern in the printing industry. However, for various reasons only a very few places in China, application, I had the honor in Beijing, Wen Xiang Color printing job, it is printing from Beijing and Japanese Foreign Wen Xiang Tong Co., Ltd. joint venture. By using this printing method, feel good effect, and made the appropriate economic return.

  Waterless offset the origin of 60 early, the U.S. company’s first waterless offset 3M patented technology, and its industrialization and the emergence of this technology in the world printing industry caused a great shock, but some of the technical problems are not very good Solution to the early 70 3M Company terminated waterless offset version of the production, but the idea of this technology inspired many of the world this technology within the printing industry researchers, who thought up this active, constantly explore Cable ahead, through the unremitting efforts, waterless printing technology has made great progress, including Toray waterless offset version of the company first to achieve industrialization, and the public for a patent. Toray mid 70s to open the company’s waterless offset plates Before the official sales. Apart from the plate up and down a lot of effort, is also a big effort under the ink area, through repeated improvement, the company will be 3M version without the watermark met in the production such as: visualization, film strength, and storage stability Issues to be addressed, so that in waterless offset printing technology has been leading.

80′s to 90′s, Wen Xiang Tong Co., Ltd. in Japan, a significant change within the company for the waterless printing with water printing, production scheduling and realization of the control computer management, the company’s long-term hire authority of waterless The developer of a technology consultant, to waterless offset in the company’s adoption rate of 85% of the company’s product quality and economic efficiency has greatly improved the mid 90s Wen Xiang Tong Co., Ltd. and Beijing Foreign Languages Printing Beijing Wen Xiang, a joint venture factory Color Printing Co., Ltd., creating the beginning, the company mainly waterless offset technology-based, waterless offset printing technology to become the testing ground for China.

Waterless printing large to be divided into: the first generation in 1977, 1987, 1994, the second generation to third generation, from the investment has been the rapid industrial development: a new generation of waterless offset printing press more , ink, plates Constantly developed. In the 20 years of absolute change in printing, equipment, raw materials, changes only the constant improvement of this printing and improve it. Wen Xiang color printing company where I used should be anhydrous Printing the first generation of the most primitive way is to use non-cooling-type printing press to achieve the water, precisely because of this, it makes this new printing waterless printing technology brought about by some of the pros and cons have been fully reflected, Enables users to experience the practical work of anhydrous nature of the printing.

Waterless offset Principles and Technology Contact with people who know printing, offset printing ink repulsion is taken to the principle, in the same piece of metal sheets on both ink water there, so that the printing quality is good or bad the product plays a key role factor is the water Balance with Mexico, and water supply system is printed in many of the ills of the direct factors.

Waterless printing the name suggests, is with the current offset lithography compared with water to remove the water element, its basic features are: yang images faithfully reproduce the image on the waterless offset edition. faithfully reproduce the printed version The image on the substrate. Simply put: waterless offset printing plates are used in the nature of silicone oil repellent, water version is coated with photosensitive layer and then coated with silicone adhesive layer, not the version used in the exposure before the photosensitive layer with silicone rubber Layer adhesion with firmly. Photographic plates, the photographic division (non-graphic parts) produce light polylactide response to the upper silicone adhesive layer fixed.

Waterless Offset lithography is the key to the equivalent shear graphic part of the silicone layer. Shear force than the graphic part of the silicone layer and strong adhesion between the photosensitive layer, be imposed on the two will be able to remove the graphic interface of the Department of Sub-silica gel layer. First, of course, it is appropriate P. P. G (polypropylene glycol) and P. E. G (polyethylene glycol) to enable the graphics part (not exposed portion) of the sensitive layer swelling, float silicone adhesive layer, adhesion between the two great To weaken, use nylon brush uniform force is applied shear stress at the interface of silica gel layer, so removed, so made no watermark version.
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