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Paper back-coated emulsion and its preparation method and application

A back-coating and emulsion technology, which is applied in the field of paper back-coating emulsion and its preparation, can solve the problems of transfer paper surface damage, easy mutual adhesion, and lower production efficiency

Active Publication Date: 2020-12-22
常德洛恩全息材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] During the processing and transportation of transfer paper, it is often necessary to stack multiple sheets of transfer paper, but the general transfer paper is easy to stick to each other when stacked, and it needs to be carefully separated during subsequent processing or use, otherwise improper operation will easily lead to The surface of the transfer paper is damaged and scrapped, which greatly reduces the production efficiency and increases the production cost

Method used

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Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0029] The preparation method of the above-mentioned paper back-coated emulsion according to one embodiment of the present invention comprises the following steps S1-S3:

[0030] S1. Weigh each raw material according to the parts by mass.

[0031] S2. Put water, wax emulsion, ketone-removing additives and auxiliary agents into the reaction kettle, and stir at 900-1000 rpm for 0.2-1 hour at 50°C-70°C.

[0032] S3. Put the remaining raw materials into the reaction kettle, continue stirring at 750-900 rpm for 0.5-2 hours, and filter to obtain the paper back-coated emulsion.

[0033] Specifically, filter with a 200-mesh filter.

[0034] The preparation method of the above-mentioned paper back-coating emulsion is simple in process and easy to implement. The obtained paper back-coating emulsion is used to prepare the transfer paper back coating, which can improve the water retention capacity and water absorption, prevent the moisture of the base paper from penetrating out, and at t...

Embodiment 1

[0038]The raw materials were weighed according to the following parts by mass: 12.6 parts of water, 13.98 parts of acrylic emulsion, 2.1 parts of wax emulsion, 1.8 parts of γ-polyglutamic acid, 0.9 parts of sodium alginate, 0.9 parts of calcium chloride, and 1.2 parts of ketone removal additive , 0.5 parts of silk fibroin, 0.5 parts of cattail fiber, 0.3 parts of molybdenum disulfide, 0.2 parts of cellulose ether, 0.2 parts of starch ether, 0.03 parts of defoamer, 0.03 parts of preservative and 0.06 parts of leveling agent (BYK-331) share. Put water, wax emulsion, ketone-removing additives and additives into the reactor, heat the reactor to 55°C, start the stirring device at 1000rpm and stir for 0.5 hours. Then put the remaining raw materials into the reaction kettle, continue to stir at 800rpm for 1.5 hours, and filter through a 200-mesh filter screen after cooling to obtain the paper back-coated emulsion.

Embodiment 2

[0040] The experimental procedure of Example 2 is basically the same as that of Example 1, except that the raw materials do not include silk fibroin and cattail fibers.

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Abstract

The invention relates to paper back coating emulsion and a preparation method and application thereof. The paper back coating emulsion is mainly prepared from, by mass, 10-14 parts of water, 12-16 parts of acrylic emulsion, 1-4 parts of wax emulsion, 1-4 parts of gamma-polyglutamic acid, 0.5-1.5 parts of sodium alginate, 0.5-1 part of calcium chloride, 0.5-2 parts of ketone-removing additive and 0.03-0.2 part of auxiliary agent. The paper back coating emulsion is used for preparing a transfer paper back coating, the water retention capacity and water absorption can be improved, the moisture ofbase paper is prevented from permeating out, and the moisture condensed on the surface in the environment is absorbed, therefore the problem of mutual adhesion of transfer paper during overlapping issolved, so that the transfer paper is more easily separated during subsequent processing and use, the damage and waste caused by improper separation are avoided, the production efficiency is effectively improved, the production cost is reduced, and the market application prospect is broad.

Description

technical field [0001] The invention relates to the technical field of transfer paper, in particular to a paper back-coated emulsion and a preparation method and application thereof. Background technique [0002] With the fierce competition in the market and the continuous improvement of consumers' taste, the packaging industry is also facing great challenges. In recent years, the packaging and printing industry has developed in the direction of energy conservation and environmental protection along with the market, and transfer paper is one of them. The transfer paper is transformed from the original composite paper, and has strong market adaptability in terms of printing technology and environmental protection. At present, transfer paper is widely used in the packaging of high-end commodities such as tobacco, wine, tea and cosmetics, especially tobacco products, because of its good performance in terms of gloss, smoothness, flexibility, environmental protection, and printi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): D21H19/20D21H19/30D21H19/14D21H19/22D21H27/28D21H21/16
CPCD21H19/14D21H19/20D21H19/22D21H19/30D21H21/16D21H27/28
Inventor 余赞章杰田璐陈华李璐张敬韩磊钟文杜建军
Owner 常德洛恩全息材料科技有限公司
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