Endless paper gravure press large-area frosting and printing technology
A kind of gravure printing machine, large-area technology, applied in the printing process, printing, printing post-processing, etc., can solve the problems of unstable quality, slow production speed of flower board and silk screen printing, etc.
Active Publication Date: 2009-01-28
WUHAN HONGJINLONG PRINTING
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Problems solved by technology
The production speed of silk screen printing is slow, the precision is poor, and the quality is unstable
Large-area matte effect printing is prone to the problem of "flower board"
According to the applicant's investigation, there is no process of using a web gravure printing machine to carry out large-area matte printing in the prior art
Method used
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[0014] The relevant technical issues will be further described in detail below, and the specific implementation manners of the present invention will be described in detail in conjunction with the accompanying drawings. First of all, it should be explained that the matte printing mentioned in the present invention is a mature technology in the prior art and has been applied in many fields. Its principle and process are: print a UV light-curable ink on the paper, and then cure the ink (that is, dry) under ultraviolet (UV) irradiation, and the ink particles left on the paper present a metal-like The effect of etching, so this type of printing is called matte printing. The UV light-curable ink used therein is a mature product in the prior art, and various UV light-curable ink products have come out. The problem in the prior art is that although there are various UV photocurable ink products, there are also mature methods for forming UV photocurable inks with a frosted glass-like...
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The invention discloses a large-scaled sand-ground printing technique by using a web-fed gravure press, which relates to a so-called decorative printing method for sand-ground printing. The technique has special technological measures that: (1) electronic or laser carving gravure is adopted; (2) colorless and transparent one-component UV light-curring ink is chosen to be used, with the solvent resin being pre-polymer acrylic acid, and the particle diameter of the chosen ink is 15 to 30 Mum; (3) the viscosity of the chosen ink is 45 to 65 seconds;(4) sand-feeling replenisher is supplemented when the stereoscopic impression of the printed product is too strong; (5) the gravure press is provided with colorless and transparent one-component UV light-curring ink by adopting pneumatic pump non-continuity; (6) the gravure press is additionally provided with a UV drying system. The invention provides a production method by using the gravure press to carry out large-scaled sand-ground effect printing in high speed, which has the advantages of high production efficiency, good sand-feeling consistency and stable product quality.
Description
technical field [0001] The present invention relates to a decorative printing method called matte printing, especially a printing method that can obtain a large-area matte effect by using a gravure printing machine and using web printing. Background technique [0002] Matte printing is to print a layer of transparent UV frosted ink on a substrate with mirror luster, which is cured by UV (ultraviolet light) to form a rough surface like frosted glass, so it is called frosted printing. Because the pattern obtained by this kind of printing is very similar to the effect of metal corrosion, it has a special rough feeling, so it is also called imitation metal etching printing. In the prior art, matte printing is almost all printed by silk screen printing technology. In the Chinese patent application with the application number 2005100325517 titled "Large-area matte and mirror light-changing anti-counterfeiting effect patterns", the technology of silk screen printing is adopted. Th...
Claims
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Login to View More IPC IPC(8): B41M1/10B41M3/06B41M7/00B41N1/00C09D11/02C09D7/00D21H27/22C09D11/101C09D11/107
Inventor 方明亮朱红艳施静聂亿兵田强吴胜军陈君
Owner WUHAN HONGJINLONG PRINTING