Paperboard for anti-counterfeit cigarette

Abstract

The invention discloses a paperboard for an anti-counterfeit cigarette. The paperboard comprises a surface layer, a core layer and a bottom layer, wherein the surface layer is bleached chemical wood pulp, the core layer is chemi-mechanical pulp and bleached chemical wood pulp, and the bottom layer is bleached chemical wood pulp and unbleached pulp. The bleached chemical wood pulp in the surface layer comprises 30-50% of bleached chemical softwood pulp and 50-70% of bleached chemical hardwood pulp in percentage by weight. The core layer comprises 60-90% of the chemi-mechanical pulp and 10-40% of the bleached chemical wood pulp in percentage by weight. The bottom layer comprises 60-95% of the bleached chemical wood pulp and 5-40% of the unbleached pulp in percentage by weight. According to the paperboard disclosed by the invention, as the bottom layer adopts the unbleached pulp and the bleached chemical pulp, paperboards in different colors can be obtained by adjusting the proportion of the unbleached pulp and the bleached chemical wood pulp so as to realize the anti-counterfeit effect. The paperboard is not easy to simulate. The paperboard disclosed by the invention is small in investment, and the production cost can be greatly lowered.

Description

technical field [0001] The invention relates to the technical field of papermaking, in particular to an anti-counterfeit cigarette cardboard. Background technique [0002] At present, the known paper anti-counterfeiting treatment generally adopts technologies such as anti-counterfeiting fibers, watermarks and security threads. Common anti-counterfeiting fibers include fluorescent fibers and colored fibers. Fluorescent fiber anti-counterfeiting refers to adding fluorescent fibers to pulp, and the paper made by paper will emit fluorescence of various colors under fluorescent lamps. Colored fiber technology is similar to fluorescent fiber technology, but at present The tobacco industry requires that the cardboard for cigarettes is not allowed to contain any fluorescent components, so this method is not suitable for the production of cardboard for cigarettes with strict requirements. Watermark anti-counterfeiting refers to the use of watermark rollers or patterned cylinders to ...

AI Technical Summary

Problems solved by technology

Watermark anti-counterfeiting refers to the use of watermark rollers or patterned cylinders to make watermark patterns during the paper production process. This method requires a lot of money to transform the paper machine and is easy to be imitated.

Security thread anti-counterfeiting refers to spraying metal wires into the forming part of papermaking. This method also has the disadvantages of complex equipment and large investment.

[0003] At present, there is a kind of cardboard for cigarettes in the industry that both the core layer and the bottom layer use natural color paste. Although this kind of cardboard has a different color from the general white cardboard for cigarettes, its core layer and bottom layer are all made of natural color paste, with a single color tone. It is highly imitative, and its anti-counterfeiting function is low

In addition, the current color paste is basically imported from abroad, which greatly increases the production cost

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