Method for producing environment-friendly false proof cover paper

Abstract

The invention relates to a method for producing environment-friendly anti-counterfeiting cover paper. In the method, raw fibers with the purity of 100 percent are used to produce base paper; the raw fibers selected comprise the following components in weight portion: 50 to 65 percent of needle oil pulp,10 to 20 percent of silking pulp, and 20 to 30 percent of cotton pulp; the raw fibers are subjected to disintegration by a pulp plate, pulping treatment, blending, pulp conveying, forming by a head box, drying and dehydration and bundling reeling to produce the base paper, and the base paper is orderly subjected to dip dyeing, dip latex, base coating, anti-counterfeiting printing and top coating to produce the anti-counterfeiting cover paper. The cover paper has excellent tearing resistance and folding resistance and good anti-counterfeiting function. The method of the invention has the advantages of simple processing and manufacturing, low production cost and environmental protection, and has the tearing resistance and anti-counterfeiting function. The environment-friendly anti-counterfeiting cover paper is suitable for being manufactured into covers of all certificates, particularly a cover of an environment-friendly anti-counterfeiting passport.

Description

technical field [0001] The invention relates to a production process of special paper, in particular to a production method of environment-friendly anti-counterfeiting cover paper. Background technique [0002] We know that papermaking is one of China's four great inventions. Papermaking technology is usually made of fiber raw materials through beating, batching, and papermaking. The performance of paper depends on the type and use of paper. The raw material configuration, The manufacturing method and process technology are different. At present, there are hundreds of paper varieties, and only packaging paper accounts for 37% of the total packaging materials. Paper has steadily developed from information paper to packaging paper and other industries, varieties, and purposes. It is also improving, and the function is also improving. At present, a passport is a pass for citizens in the world. With the development of the world economic integration process, there are more and ...

AI Technical Summary

Problems solved by technology

Passport is often used as a person's identity certificate, and requires good surface friction resistance, high tear resistance, and folding strength. Now the passport cover paper used in China is mainly foreign paper, which is generally used Add chemical fibers to improve the strength of the paper’s tear and fold resistance. Chemical fibers are petrochemical products that cannot be degraded naturally and are not environmentally friendly. Moreover, some companies use solvent-based varnishes on the surface coating of paper. After the organic solvent has different residues in the coating

In addition, the passports of many countries have made anti-counterfeiting on the inner pages of the passports, such as watermark anti-counterfeiting, security thread anti-counterfeiting, fluorescent fiber anti-counterfeiting, printing ink anti-counterfeiting and other anti-counterfeiting methods, but no anti-counterfeiting on the cover paper. Yes, this provides convenience for counterfeiters