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High-gloss weak solvent composition and preparation method and application thereof

A technology of weak solvent and composition, which is applied in the field of high-gloss weak solvent composition, can solve the problems that materials are easily adsorbed on the platen of the printer, the material is not easy to peel off, and the coating is easy to stick, etc., so as to improve color expression, Reduces stickiness and improves surface gloss

Active Publication Date: 2020-03-24
HUIZHOU YIDU IMAGE TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the addition of some inorganic particles in the coating, the gloss is not high and it is in a matte state. For the requirements of some high-end customers, it is hoped that a high-gloss weak solvent coating can be developed to make the color after printing Strong color reproduction and high gloss, which can fully express the intention of some pictures
[0004] At present, there are not many high-gloss weak-solvent products on the market. The main reason is that if the matte weak-solvent coating is canceled or the amount of inorganic powder is reduced to improve the gloss, there will be a problem, that is, the coating is easy to stick after the material is rolled. , resulting in that the material is not easy to peel off when printing and unwinding or the material is easy to be adsorbed on the platen of the printer after printing
[0005] The high-gloss weak solvent in the prior art is generally obtained by composite modification of water-based acrylic emulsion and auxiliary agent, and in order to improve the film-forming performance of the solvent, film-forming auxiliary agent is generally added to the water-based acrylic emulsion to make the coating process The coating is not easy to crack, and the final coating will not be sticky when placed at room temperature. However, if the coating made of this type of water-based acrylic emulsion is in a high temperature environment and the winding tension is maintained for a long time, it will still easy to sticky

Method used

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  • High-gloss weak solvent composition and preparation method and application thereof
  • High-gloss weak solvent composition and preparation method and application thereof
  • High-gloss weak solvent composition and preparation method and application thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0050] A high-gloss weak solvent composition, which includes the following raw materials in parts by weight:

[0051]

[0052] Wherein, the PVB resin is PVB60s produced by Tianjin Everbright Bingfeng New Material Technology Co., Ltd., the degree of polymerization of the PVB resin is 1500, and the PVB resin contains 80% vinyl butyral groups.

[0053] The conductive agent is an organosilicon conductive agent with a model number of VJ-007 from Shenzhen Zhongya Optoelectronic Materials Co., Ltd.

[0054] The organic solvent is industrial ethanol produced by Huizhou Yongji Chemical Co., Ltd., specifically, the mass fraction of the industrial ethanol is 95%.

[0055] Described brightening agent is the brightening agent of model MDAC of Foshan Sibei Speedy Chemical Co., Ltd., and its main component is 4-methyl-7-diethylaminocoumarin.

[0056] The preparation method of above-mentioned high-gloss weak solvent composition, it comprises the steps:

[0057] Step 1. According to the t...

Embodiment 2

[0063] The difference between embodiment 2 and embodiment 1 is that the PVB resin in embodiment 2 is PVB30 seconds of Tianjin Everbright Bingfeng New Material Technology Co., Ltd. and PVB90 seconds of Tianjin Everbright Bingfeng New Material Technology Co., Ltd. by weight ratio is 1:1 composition mixture.

[0064] The other technical features of the second embodiment are the same as those of the first embodiment, and will not be repeated here.

Embodiment 3

[0066] The difference between embodiment 3 and embodiment 1 is that the parts by weight of each raw material reagent in embodiment 3 are respectively:

[0067]

[0068] Other technical features in Embodiment 3 are the same as those in Embodiment 1, and will not be repeated here.

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Abstract

The invention relates to the technical field of coating compositions, specifically to a high-loss weak solvent composition, and a preparation method and application thereof. The high-loss weak solventcomposition comprises the following raw materials in parts by weight: 25-30 parts of PVB resin, 150-180 parts of an organic solvent, 1.2-1.5 parts of a conductive agent and 0.065-0.08 part of a brightening agent. A coating formed by the composition does not become sticky in a high-temperature environment, is free of after-tack phenomenon and high in glossiness, and has a film-forming property anda high color rendition degree during printing.

Description

technical field [0001] The invention relates to the technical field of coating compositions, in particular to a high-gloss weak solvent composition, a preparation method and an application thereof. Background technique [0002] High-gloss weak-solvent coating refers to a coating that is suitable for inkjet printing with weak-solvent inks in the field of advertising consumables and exhibits high gloss after drying. [0003] Eco-solvent coating is very popular on indoor and outdoor advertising media due to its strong weather resistance, high cost performance, no need for laminating film after inkjet printing, and rich types, and has been widely used. In terms of gloss, most of them are matte weak solvent coatings, which have the advantages of fast ink absorption, stable production, and most customers are satisfied with their use. However, due to the addition of some inorganic particles in the coating, the gloss is not high and it is in a matte state. For the requirements of s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D21H21/14D21H19/20D21H19/14D21H19/32
CPCD21H21/14D21H19/20D21H19/14D21H19/32
Inventor 罗玉兰
Owner HUIZHOU YIDU IMAGE TECH
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