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Shock! An enterprise in Yuecheng district has made a disruptive innovation breakthroughPublished in:2020-12-03 09:13:42

On November 17, 2020, at the China synthetic resin new material industry development conference, Dr. Mao Lijuan, chairman of Shaoxing Ruikang, released the latest accepted invention patent achievement: the research and application of space steric adjustable weak alkaline light stabilizer, which was praised by the leaders of the Ministry of science and technology. This achievement was designed and invented by Dr. Mao himself and led the R & D team of Ruikang after more than five years of arduous efforts. It overturned the functional structure of tetramethylpiperidine light stabilizer, which has been used for half a century, and launched the original innovative space resistance adjustable weakly alkaline innovative stabilizer, so as to obtain more choices and opportunities for the development of new materials.


It is reported that HALS light stabilizer, which is widely used in plastics, rubber, coatings, paints, fibers and inks in the international market, was invented by Japan and the United States in the early 1970s and has been used today for half a century. Hindered amine (HALS) light stabilizer is obviously alkaline, and the surrounding steric hindrance is fixed. These properties determine that it cannot be used in PVC, polyester, polycarbonate, PU and other polymer materials. Hindered amine will react with these polymer materials and catalyze the degradation of polymer materials. In this way, it has to develop weakly alkaline light stabilizer in the derivation of hindered amine molecules, which is expensive.


The innovative chemical structure designed by Ruikang team is a weak base light stabilizer with adjustable steric resistance. The structure is stable, the steric resistance can be controlled, and the electronegativity can be regulated. Such a flexible structure makes it widely used in all kinds of polymer materials and provides better weather resistance protection for polymer materials. Therefore, Ruikang achievements have great application and promotion value in the development of new material industry in the future.


Shaoxing Ruikang Biotechnology Co., Ltd., founded in 2013, is a high-level talent enterprise settled in Yuecheng. The expert team of the company has many years of experience in large international companies in North America. Ruikang has never stopped on the road of innovation.


(source: District Science and Technology Association)

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