Efficient scrap rubber regeneration activator and preparation method thereof

Abstract

The invention discloses an efficient scrap rubber regeneration activator and a preparation method thereof. The preparation method is characterized by comprising the following steps: weighing 2,4,6-tri-tert-butylphenol and disulfur dichloride in weight ratio of 100:(22 to 26); measuring sulfuric acid according to the addition of 3000ml of sulfuric acid / 1000 kilograms of 2,4,6-tri-tert-butylphenol; thawing the 2,4,6-tri-tert-butylphenol and absorbing into an enamel reaction vessel; then adding the sulfuric acid for catalyzing, slowly dripping the disulfur dichloride, and stirring evenly to obtain the efficient scrap rubber regeneration activator. The efficient scrap rubber regeneration activator and the preparation method thereof have simple production process, low production cost and strong activity, dispense with large-scale equipment and can be widely used for scrap rubber regeneration, and the produced regenerated rubber has good quality, the elongation at break and tensile strength are obviously improved, and the mooney viscosity can be effectively reduced.

Description

technical field [0001] The invention relates to an activator for waste rubber regeneration and the improvement of its production method, in particular to a high-efficiency activator for waste rubber regeneration and its preparation method. Background technique [0002] With the rapid development of the automobile industry and the home appliance industry, the use of rubber is also increasing. my country is one of the main bases for the processing and production of rubber products in the world, and it is also a big rubber consumer. According to relevant statistics, my country's total consumption of natural rubber and synthetic rubber has surpassed that of the United States. [0003] The strength, elongation and mechanical properties of rubber will decrease rapidly during use, especially under the conditions of high temperature, strong light, ozone, copper or aluminum and other trace elements, so that the rubber will age quickly until it cannot be used. Aged rubber is commonl...

AI Technical Summary

Problems solved by technology

This activator has the following disadvantages: First, the activation is not strong, such as the regeneration of waste rubber in the low-sulfur cross-linking vulcanization system of peroxide cross-linking and sulfur-containing compounds is not strong; second, the regenerated rubber produced The quality is poor, the tensile strength and elongation at break are low, which cannot meet the needs of industrial production; the third is the poor infiltration and penetration, which can only be applied to the production of small rubber particles, which increases power consumption and crushing; and the price is relatively high

After extensive searching, there is no use of 2,4,6-tri-tert-butylphenol and disulfur dichloride as raw materials, and the production process is simple, active, low production cost, and the produced reclaimed rubber is of good quality and has a high tensile strength. High-efficiency activator for waste rubber regeneration and a report on its preparation method