Black paperboard and its production method

A technology of black cardboard and surface layer, which is applied in the field of papermaking, can solve the problems of not having anti-counterfeiting function and not satisfying anti-counterfeiting cigarette pack cards, etc., and achieve the effect of strong color coverage

CN1312355CActive Publication Date: 2007-04-25SHANDONG TAIYANGZHIYE +1
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Publication Date
2007-04-25
Patent Text Reader

Abstract

This invention relates to a black paperboard and its product method, the character of the black paperboard as follows: the surface and the back of the black paperboard all have coated layers, the surface layer is the white coated layer, the back layer is the black coated layer, the coated component and the weight percent of the surface coated layer is that, the porcelain clay is 20-97 %, the ultra-fine calcium carbonate is 2-80%, the dispersing agent is 0.2-1.2%,the emulsion is 1-25%,the resist aqua is 0.5-1.5%; the oated component and the weight percent of the back coated layer is that, the black pigments is 73.8 -98.3%,the bonding agent is 0.2-1.2%, the emulsion is 1-25%, the resist aqua is 0.5-1.5%. This invention discloses the problems of the conventional method, which has the fiber pulp dyeing problem and avoiding dyeing pollution problem, and it satisfies the need that the cigarette casing needs foodstuff contacting.
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Description

Technical field:

[0001] The invention relates to the technical field of papermaking, in particular to black cardboard and a production method thereof. Background technique:

[0002] Although there are many types of papers of various qualities, most of them are volatile in color and do not have anti-counterfeiting functions. The paper used for cigarette pack cards in the market requires stable color fastness and Gravure printing and anti-counterfeiting features, the paper of the prior art can no longer meet the demand of the market for anti-counterfeiting cigarette pack cards and other high-grade packages. Invention content:

[0003] The object of the present invention is to provide a kind of black cardboard and its production method, this kind of black cardboard has the characteristics of stable color fastness and anti-counterfeiting.

[0004] In order to achieve the above object, the technical solution adopted in the present invention is: a kind of black cardboard, which...

Examples

Embodiment 1

[0011] Main production equipment: three-layer Fourdrinier board paper machine, 4-pass doctor blade coater

[0012] Production process and process conditions:

[0013] The black cardboard pulping system adopts the introduction of international advanced high-automation equipment. The raw materials of each layer are wood pulp, and the top pulp is all made of wood pulp; the raw material of the core pulp is wood pulp; the raw material of the bottom pulp is wood pulp for dyeing.

[0014] The wire part of the paper machine adopts the international advanced three-layer wire forming technology, and the paper forming uniformity is excellent, and different quantitative black cardboard can be copied according to requirements. at 250g / m 2 Taking black cardboard as an example, the quantitative distribution of each layer of pulp is: the quantitative distribution of the surface layer is 35g / m 2 , the weight of the core layer is 135g / m 2 , the basis weight is 30g / m 2 . The pressing sectio...