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Zinc oxide water damped printing plate paper and method for manufacturing same

A technology of moisturizing plate paper and zinc oxide, applied in paper, papermaking, paper coating, etc., can solve problems such as harming the health of operators, polluting the surrounding environment, increasing printing costs, etc., saving energy, good production environment, and reducing consumption. Effect

Inactive Publication Date: 2006-12-20
巩献君 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This not only endangers the health of operators, but also pollutes the surrounding environment.
Although the volatile solvent can be recovered, the equipment is complicated and will increase the cost of the product
The use of acid dampening solution in the use of plate paper not only increases the printing cost, but also causes corrosion to the printing machine

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0009] Zinc oxide water embellishment paper is composed of three layers of water-soluble paint on the paper base, the front bottom layer, the back balance layer, and the photosensitive layer above the bottom layer.

[0010] The raw material formula of the primer, the technical index of the coating and the loading amount of the paper base are:

[0011] Raw material formula

[0012] The raw materials include the following raw materials:

[0013] Raw material name Specification Parts by weight

[0014] PVA resin content 4% 40

[0015] Melamine formaldehyde resin Industrial Grade A 0.3~0.5

[0016] Ammonium chloride Industrial grade A 0.03~0.1

[0017] Kaolin Industrial Grade A 30~35

[0018] Water 75~85

[0019] Coating Specifications

[0020] Specific gravity 1.05~1.10

[0021] Viscosity 10-12 seconds (paint 4 # cup)

[0022] Feeding amount of paper base 6~8g / m 2

[0023] Raw material formula, technical indicators and paper base loading amount of balance layer coatin...

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PUM

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Abstract

The present invention is zinc oxide water-moistening plate paper and its making process. The zinc oxide water-moistening plate paper has primer paint layer and photosensitive paint layer in the right side and balancing paint in the back side. The primer paint consists of PVA resin, ammonium chloride, kaolin and water; the photosensitive paint consists of calcium carbonate, styrene-acrylic emulsion, paraffin emulsion, water and DC dispersant; and the balancing paint consists of PVA resin, ammonium chloride, zinc oxide, water and other components. The paper making process includes the steps of compounding the three kinds of paint, separating the three kinds of paint, drying, maturing, cutting and packing. The present invention has the advantages of adoption of water soluble paints, no environment pollution, etc.

Description

technical field [0001] The invention relates to zinc oxide master paper, especially the technical formula design and master paper preparation technical field of zinc oxide water-moistening master paper. Background technique [0002] At present, printing machinery in the printing industry has realized offset printing, new printing materials are constantly being developed and updated, and small offset printing machines have been popularized in large numbers. Higher and higher, and lower prices are required. Traditional zinc oxide paper coatings are organic solvent-based, and the solvents are toluene, xylene, methanol, ethanol, etc. The paint volatilizes and vaporizes during the process of paint formulation and master paper coating and drying. This not only endangers the health of operators, but also pollutes the surrounding environment. Although the volatile solvent can be recovered, the equipment is complicated and will increase the cost of the product. The acid dampening...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): D21H19/80D21H19/10D21H27/00D21H23/34
Inventor 巩献君倪世祜
Owner 巩献君