Acrylic acid modified rosin ester for water-based ink and preparation method thereof

Abstract

The invention relates to an acrylic acid modified rosin ester for water-based ink and a preparation method thereof. The acrylic acid modified rosin ester is prepared by the reaction of the following components by mass percentage: 55 to 70 percent of rosin, 10 to 25 percent of methacrylic acid, 5 to 25 percent of propanetriol, 1 to 2 percent of benzoperoxide. The prepared method comprises the following steps: firstly, putting the rosin into a reaction pot according to quantity and heating the rosin to 100 to 110 DEG C till the rosin melts completely; secondly, dripping mixed solution, which is pre-mixed uniformly for later use, of methacrylic acid and benzoperoxide for 2 to 3 hours, and keeping the temperature for 30 to 60 minutes to allow the methacrylic acid and the benzoperoxide to react to form acrylic acid rosin solution after the dripping is finished; and finally, when an acid value reaches 260 to 300, pouring propanetriol, raising the temperature to 260 to 270 DEG C for reaction and dehydration and keeping the temperature for 1.5 to 2 hours. Thus, the acrylic acid modified rosin ester can be used for both the manufacturing of paper printing ink and the production of plastic printing ink, is low in cost, excellent in tinctorial strength, high in adhesive attraction, innoxious and odorless, realizes bright colors and colour density of printed products and prevents an ink layer from falling off.

Description

technical field [0001] The invention relates to an acrylic modified rosin ester and a preparation method thereof, in particular to an acrylic modified rosin ester which can be used in the production of paper printing ink and plastic ink and the preparation method thereof. Background technique [0002] The sustainable development of environmental protection production is the mainstream of the development of today's enterprises in recent years. We use renewable resources to modify ink materials as much as possible and apply them to industrial products, and make the production raw materials water-based, which is as simple and general as possible. In order to manage and improve the production quality, and accelerate the development of water-based printing materials. [0003] At present, printing inks are widely used, and almost all food packaging is inseparable from printing inks, which have the characteristics of making products new, beautiful, and brandable. However, printing...

AI Technical Summary

Problems solved by technology

Generally, water-based inks are divided into two types: absorbent substrates and non-absorbent substrates. They are mainly paper and plastic substrates. Because paper is absorbent, water-based inks usually use cheaper resins such as rosin. The performance is weak, and it cannot be used on plastics. Due to the non-absorption of plastics, water-based inks usually use acrylic resins, etc., and pure acrylic resins are expensive, which is unfavorable to production.

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