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Formula of high brightness performance coating capable of absorbing ECO-solvent ink

A weak solvent and coating technology, applied in the field of coating formulations that can absorb weak solvent inks, can solve problems such as sticking, difficult to roll, low inkjet media, etc.

Inactive Publication Date: 2014-07-02
FORTUNA IMATEK QINGDAO
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  • Abstract
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AI Technical Summary

Problems solved by technology

[0005] In order to overcome the above-mentioned defects existing in the prior art field, the purpose of the present invention is to provide a coating formulation with a high-gloss appearance that can absorb weak-solvent inks, so as to solve the problems caused by the low glass transition temperature of the resin used in the prior art. Inkjet media is sticky and difficult to roll, or too high coating is difficult to form a film, the coating performance is poor, and it cannot absorb weak solvent ink, etc.

Method used

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  • Formula of high brightness performance coating capable of absorbing ECO-solvent ink

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Embodiment

[0017] The raw materials for preparing the aqueous room temperature cross-linked acrylate emulsion are shown in Table 1.

[0018] raw material abbreviation purity production plant methyl methacrylate MMA Industrial pure Beijing Oriental Chemical Factory Butyl acrylate BA Industrial pure Beijing Oriental Chemical Factory acrylic acid AA Industrial pure Beijing Oriental Chemical Factory Diacetone Acrylamide DAAM Industrial pure Hangzhou Xinghua Chemical Co., Ltd. Adipic acid dihydrazide ADH Industrial pure Hangzhou Xinghua Chemical Co., Ltd. Octylphenol polyoxyethylene ether OP-10 Industrial pure Henkel, Germany Ammonium persulfate APS analytically pure Beijing Chemical Reagent Company Sodium dodecyl sulfate SDS analytically pure Beijing Chemical Reagent Company ammonia NH3·H2O analytically pure Beijing Chemical Reagent Company Diacetone alcohol analytically pure...

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Abstract

The invention discloses a formula of a high brightness performance coating capable of absorbing ECO-solvent ink. The coating comprises the following components by weight: 30-70% of a self-crosslinking acrylate latex, 1-5% of an association-type thickening agent, 1-5% of a surfactant and the balance of water. The invention adopts the self-crosslinking properties of the coating to solve the problem that the low vitrification point of the resin used in the prior art causes adhesion and difficulty in winding of inkjet media, or high glass state temperature causes difficult film forming of coating and poor coating performance, and that the caoting is incapable of absorbing the ECO-solvent ink.

Description

technical field [0001] The invention relates to a coating formulation of an inkjet recording medium, in particular to a coating formulation of a high-brightness and absorbing weak solvent ink. Background technique [0002] Inkjet inks can be roughly divided into water-based, solvent-based and UV-curable inks according to their main components. Solvent-based inks are mainly used on outdoor materials such as light box cloth and PVC, with low picture quality but good waterproof and weather resistance. Since solvent-based inks contain more esters and ketones in organic solvents, they are highly polluting and toxic, and their applications will be limited in the long run. Water-based ink has higher precision and is environmentally friendly, but it dries slowly and has strict requirements on the ink-absorbing layer of the medium. After printing, the picture needs to be covered with film, otherwise the waterproof and weather resistance will be poor. [0003] In order to combine th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D133/12C09D133/08C09D7/12
Inventor 何君勇许磊赵从兆
Owner FORTUNA IMATEK QINGDAO
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