Machine printing silica gel for pigment printing as well as preparation method and application thereof

Abstract

The invention belongs to the technical field of organic silicon, and discloses a machine printing silica gel, which can be used for performing continuous machine printing and is excellent in performance, for pigment printing, a preparation method of the machine printing silica gel and an application of the machine printing silica gel in the field of textile printing. The machine printing silica gel for pigment printing comprises unsaturated silicon oxide, a crosslinking agent containing silicon hydrogen bonds, silicon hydrogen addition catalyst and a reinforcing agent, wherein the reinforcing agent comprises an inorganic substance reinforcing agent and an organic substance reinforcing agent. A composite enhancing system is creatively used, so that the product silicone gel is surely good in network passing property and good in ink returning property; siloxane with a certain structure, MQ resin and hydrogen-containing organic substances are designed and used to ensure that the reaction temperature and operation time of the product have relatively wide ranges, glue dying mesh clogging is avoided after 4 hours of continuous machine printing, and the production efficiency is improved; and the preparation method disclosed by the invention is simple, environmentally friendly and energy-saving, and the obtained silica gel is stable in storage and excellent in performance, has advantages of less bubbles, easy leveling, good fastness, good slip resistance and the like, and can be widely applied to the field of textile printing.

Description

technical field [0001] The invention belongs to the technical field of organosilicon, and in particular relates to a machine-printed silica gel for pigment printing capable of continuous machine-printing and excellent performance, a preparation method thereof, and an application in the field of textile printing. Background technique [0002] Silicone gel is a kind of organic silicon product, which belongs to semi-inorganic material, and has excellent cold and heat resistance, corrosion resistance, weather resistance and so on. Addition-type liquid silicone rubber has a wide range of viscosity, fluidity of low-viscosity fluid and viscosity of high-viscosity fluid, and controllable vulcanization conditions, so it can effectively control the operation and construction conditions according to needs. Injection-in-situ molding and other fields have been widely used. [0003] At present, in the textile printing industry at home and abroad, printing coatings are generally thermoset...

AI Technical Summary

Problems solved by technology

However, at home and abroad, due to problems such as blockage of the screen plate and serious slurry failure in the process of using silicone gel, most of them are produced by manual treadmills, resulting in low production efficiency and poor stability of product batches. For today's rising labor costs and increasingly widespread mechanization, it will undoubtedly greatly hinder the use and promotion of silicone gel.

[0004] There are also relevant reports about the preparation of silica gel for printing at present. Chinese patent application CN101798391A reports a preparation method for preparing silica gel for textiles, but its base glue preparation process is cumbersome. Under 5 atmospheres, it takes 4 to 6 hours to process, which consumes time and energy; the treatment of white carbon black in Chinese patent application CN101550659A is the same as CN101798391A, which consumes time and energy; Chinese patent application CN103031748 prepares a condensation type silicone gel, and its curing process Generate a certain amount of waste and generate VOC

[0005] The printed silicone gel mentioned in the above-mentioned patent documents is not suitable for factory mechanization, and is not conducive to the promotion of industries with high production efficiency requirements. The plate is clogged, and the rubber material is quickly and easily (about 1 hour) dead, which leads to the failure of continuous production of the machine; 2. The product cannot meet the requirements of good screen performance and good ink return performance at the same time, making the screen printing process complicated and cumbersome. Time-consuming and labor-intensive, not conducive to product promotion

Images