Environment-friendly woven bag printing water-based ink and preparation method thereof

Abstract

The invention discloses environment-friendly printing water-based ink for woven bags and a preparation method of the environment-friendly printing water-based ink. The polyacrylate emulsion A and thepolyacrylate emulsion B which are prepared to have different reactive functional groups; when the film printed with the environment-friendly water-based ink is dried in a drying tunnel of a printing machine; functional groups carried by the two kinds of resin can be subjected to cross-linking reaction; the adhesive force of the ink layer on the woven bag is obviously improved; the prepared environment-friendly printing water-based ink for the woven bag has the advantages that the adhesion fastness is 97 to 99 percent according to the detection of GB / T 13217.7 to 2009; the initial dryness is 32-40 mm / 30 s according to GB / T 13217.5-200 detection, the initial dryness is 25 DEG C, and the fineness is smaller than or equal to 9 [mu] m according to GB / T 13217.3-2008 detection. The environment-friendly printing water ink for the woven bag is high in drying speed, high in adhesion strength and suitable for printing of the woven bag.

Description

technical field [0001] The invention relates to the technical field of printing ink preparation, in particular to an environment-friendly printing ink for woven bags and a preparation method thereof. Background technique [0002] In recent years, plastic woven bags have been continuously introduced. In the packaging of rice and vegetables, various colorful, novel and unique plastic packaging bags with rich pictures and texts are rushing to the market. The packaging and printing of these plastic woven bags are inseparable from people's lives. [0003] The patent document (CN200810063603.0) discloses a water-soluble ink for water-resistant plastic woven bags and a preparation method thereof. The ink has good safety and excellent printability, and is suitable for printing various plastic woven bags with different high-speed or low-speed machines, but The drying speed of the ink used in the woven bag is relatively slow, and the adhesion ability is poor at the same time. At the s...

AI Technical Summary

Problems solved by technology

According to GB / T13217.7-2009, the prepared environmental-friendly printing water ink for woven bags has an adhesion fastness of 97-99%. GB / T 13217.3-2008 detection fineness ≤ 9μm The environmental-friendly printing water ink for woven bags of the present invention has a fast drying speed and high adhesion strength, and is suitable for printing woven bags, and solves the problem of using water-based printing ink for woven bags in the prior art. (2) Adjust the positions of the two fixed shells under the third through-slot through the bolt holes on the connecting plate, and at the same time adjust the position of the two first through-slots through the locking sleeve The position of the first shaft and the second shaft, and then adjust the position of the first elastic wheel and the second elastic wheel, so that the belt is tensioned, so that the grinding roller does not touch the inner wall of the grinding cylinder, and the telescopic cylinder piston rod on the fixed plate pushes up and down The frame is lowered, the slider on the lifting frame slides down along the slide rail on the supporting frame, the lifting frame drives the two grinding rollers down through the fixed shell, and the two grinding rollers drop into the grinding cylinder, and the bolt holes on the connecting plate are The position of the two fixed shells is adjusted under the third through groove so that the grinding roller can contact the inner wall of the grinding cylinder, the output shaft of the second motor drives the base to rotate through the reducer, the base drives the grinding cylinder to rotate, and the grinding cylinder drives the dispersion liquid to move centrifugally. At the same time, the grinding roller grinds the dispersion liquid. Through the above settings, the second motor and the reducer drive the base to rotate, and then drive the grinding cylinder to rotate, so that the grinding cylinder can rotate to complete the dispersion process of the raw materials. At the same time, the position can be adjusted Two fixed shells allow the two grinding rollers to adjust their positions. When the raw material needs to be ground, the two grinding rollers can be adjusted to touch the inner wall of the grinding cylinder. The centrifugal raw materials are ground through the rotation of the grinding roller and the rotation of the grinding cylinder. When it is necessary to stir and disperse the raw materials, it is enough to adjust the grinding roller not to touch the inner wall of the grinding cylinder. Through this structural design, the grinding, stirring and dispersing of raw materials can be satisfied, and the practicability is strong. A plurality of independent equipment completes steps such as grinding, stirring, and dispersing, and the technical problem of high production cost; (3) Through this structure setting, two grinding rollers are driven to rotate by one motor, and the transmission efficiency is high, and the piston rod of the telescopic cylinder drives the lifting frame Lifting, and then driving the two grinding rollers to lift from the grinding cylinder, through this structure, the cleaning and replacement of the grinding rollers is more convenient, and the technical problem of inconvenient cleaning of the grinding rollers in the prior art is solved

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