A kind of coated paper and its preparation method

A technology of coated paper and coating layer, which is applied in the field of papermaking, to achieve the effect of uniform ink absorption, not easy to shed, and good printing performance
CN105088897BInactive Publication Date: 2017-10-17DONGGUAN NINE DRAGONS PAPER IND
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
DONGGUAN NINE DRAGONS PAPER IND
Publication Date
2017-10-17
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention relates to the technical field of papermaking, in particular to a coated paper and a preparation method thereof. The coated paper comprises a surface coating layer, a pre-coating layer, a surface adhesive layer, a surface paper layer, a core paper layer, a backing paper layer and a bottom adhesive layer, and the lower surface of the surface coating layer is connected to the surface The upper surface of the adhesive layer is bonded, the pre-coating layer is arranged between the surface coating layer and the surface adhesive layer, the lower surface of the surface adhesive layer is bonded to the upper surface of the core paper layer, and the surface The paper layer is arranged between the surface rubber layer and the core paper layer, the lower surface of the core paper layer is bonded to the upper surface of the bottom surface rubber layer, and the bottom paper layer is arranged between the core paper layer and the bottom surface Between the adhesive layers, the pulp raw material of the surface paper layer includes mixed office waste paper, and the pulp raw materials of the core paper layer and the bottom paper layer include European waste waste paper. The coated paper of the invention has good surface quality and is not prone to delamination, breakage, foaming, peeling and uneven ink absorption.
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Description

technical field

[0001] The invention relates to the technical field of papermaking, in particular to a coated paper and a preparation method thereof. Background technique

[0002] Coated paper is coated with a layer of paint on the base paper, so that the paper has good optical properties and printing performance. Its main uses are: printing magazines, book publishing paper and printing paper for trademarks, packaging, catalogs and so on. Coated paper can be roughly divided into: coated paper, coated paper, lightweight coated paper, etc.

[0003] With the increasing competition in the coated paper market, the selling price of coated paper tends to be stable, but the price of raw materials for coated paper is rising. How to reduce the amount of high-cost raw materials on the premise of ensuring the quality of coated paper, Increasing the proportion of waste paper raw materials is the key for paper-making enterprises to reduce production costs and improve economic benefits. ...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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