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Production method of cast-coated paperboard

A production method and technology of glass cardboard, which are applied in the directions of paper, papermaking, paper coating, etc., can solve the problems of difficult control of coating and peeling process, affecting the wide application of glass cardboard, and high difficulty in production, and reaching the surface of paper. The effect of leveling, increasing stiffness and reducing production cost

Active Publication Date: 2012-06-20
SHENZHEN JINJIA GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, for this prior art, the coating and peeling process is not easy to control, the production difficulty factor is large, and the production cost is high, which affects the wide application of glass cardboard in the packaging market.

Method used

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  • Production method of cast-coated paperboard
  • Production method of cast-coated paperboard

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Embodiment Construction

[0017] Such as figure 1 As shown, the production method of glass cardboard of the present invention comprises the following steps: S101, coating paint on the polyethylene terephthalate or o-phenylphenol film, so that the film surface forms a layer of uniform and dense coating Cloth layer; S102, laminating the coated film with the base paper; S103, drying; S104, peeling the film from the coating layer.

[0018] This embodiment is to produce 230g / m 2 Glass cardboard as an example.

[0019] In step S101, a coating device is used to coat the polyethylene terephthalate (PET) film with a water-based coating, specifically an acrylic resin with a solid content of 47% as the main component, and the coating device When coating the coating on the PET film, the amount of coating coating is 4-6g / m 2 After the coating is completed, a uniform and dense coating layer is formed on the surface of the PET film. The printing plate used in the coating process is an engraving gravure printing p...

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Abstract

The invention provides a production method of a cast-coated paperboard. The method comprises the following steps: coating paint on a polyethylene terephthalate or o-phenylphenol film to form a uniform and dense coating layer on the surface of the film; laminating the coated film with a backing sheet; drying; and peeling the film off the coating layer. The production method of the cast-coated paperboard of the invention has simple process, low cost and high product quality; and the gravure press can be used for on-line production.

Description

technical field [0001] The invention relates to the field of paperboard production, in particular to a method for producing glass paperboard. Background technique [0002] There are white cardboard and glass cardboard in the packaging materials. White cardboard can be divided into blue and white single and double coated cardboard, white background coated cardboard and gray bottom coated cardboard. With the development of packaging printing technology, high quantitative (generally more than 150g / m 2 ) glass cardboard as an exquisite packaging material is widely used in the outer packaging of high-end cosmetics, tobacco and wine and other products. Compared with ordinary offset coated white cardboard, glass cardboard has high gloss, high stiffness, smoothness and excellent ink absorption performance, which can meet the requirements of gravure printing, flexographic printing and lamination processing. [0003] The existing glass cardboard production method is that the base p...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): D21H19/28D21H23/22
Inventor 吕伟
Owner SHENZHEN JINJIA GRP