A kind of continuous production method of water-soluble polymer

Abstract

The invention provides a continuous production method for a water-soluble polymer. The method specifically comprises the steps of: respectively adding raw materials, such as monomers, deionized water, an initiator and the like, into a mixing kettle, and uniformly stirring and mixing; and adding the mixed materials into a high-pressure buffer tank, pumping the mixed materials into a high-temperature reaction kettle by a certain flow so as to be subjected to high-pressure reaction, and after full reaction, injecting a product into a finished product storage tank through a pipeline with certain temperature and certain length. According to the continuous production method, the process is carried out by adopting a continuous production method, so that the production efficiency is increased, the yield and the stability of the product are increased, and the large-scale industrial production of the water-soluble polymer is realized.

Description

technical field [0001] The invention belongs to the field of chemistry and provides a continuous production method of a water-soluble polymer. Background technique [0002] With the rapid development of my country's industry, the pollution and shortage of water resources are also facing a severe test, which has become a key factor restricting sustainable development. Although my country's total water resources rank among the top in the world, ranking sixth in the world after Brazil, Canada, the former Soviet Union, the United States and Indonesia, its per capita water resources are only 1 / 4 of the world average, ranking 110th , a water-poor country. About 300 of the 617 large and medium-sized cities across the country are short of water, accounting for 50% of the total number of cities. [0003] In response to the shortage of water resources, in addition to strengthening sewage treatment and reuse, it is also necessary to take measures to protect water resources and sav...

AI Technical Summary

Problems solved by technology

[0007] Most of the existing water-soluble polymers adopt batch reaction, which has low production efficiency, difficult transfer of reaction heat, difficult temperature control, prone to instantaneous high-temperature detonation, and high energy consumption.

And the traditional polymerization process uses a large number of chain transfer agents and solvents, which not only increases the cost, but also combines the chain transfer fragments with the molecular chain, thereby microscopically changing the structure of the polymer and affecting the purity and physical properties of the polymer.

And the average molecular weight of the obtained product is large, the molecular weight distribution is wide, and the performance of different batches of products varies greatly

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