Yanshan Petrochemical Trial Production of Various New VAE Products 　　 　　

　　Recently, Liu Bingpo Innovation Studio of Yanshan Petrochemical Organic Chemical Plant overcame the impact of the epidemic to carry out the research and development of new products of vinyl acetate-ethylene copolymer (VAE) emulsion, and has implemented a total of 6 new VAE brand products.
Industrialization test scale-up work
.

　　In early May, Yanshan Petrochemical Organic Plant started trial production of a new variety of water-resistant emulsion BJ-829
.
During the pretreatment stage of raw material preparation, the abnormal phenomenon of high liquid viscosity suddenly affected the stability of the viscosity index of the final product
.
To this end, the company's studio members worked together to tackle key problems in process control
.

　　They analyzed the effective concentration of raw materials barrel by barrel, accurately controlled the amount of additives added, reasonably adjusted parameters such as temperature and reaction time in the pretreatment stage, and cooperated with the laboratory to conduct multiple condition tests and more than 10 gradient comparison adjustments.
The root cause of the viscosity fluctuation was determined in time, and the batch trial production was carried out on the production device, realizing the stable production and smooth delivery of the new brand BJ-829
.
Then, according to the high-end needs of customers, they upgraded and optimized the formula in a timely manner, and tried to produce a new variety of BJ-829H with high solid content and low viscosity
.

　　In addition, Yanshan Petrochemical Organic Chemical Plant has stepped up efforts to develop new VAE products and trial production in response to the specific needs of users in the fields of self-leveling mortar, tile adhesives, waterproof coatings, etc.
, and successively carried out high glass transition temperature BJ-702/703 In the mass production of two new grades, the optimization of production process conditions and mass production of the new grade BJ-707H with high ethylene content were carried out, and the special grade BJ-720 for rubber powder with high ethylene content was trial-produced
.
At present, these new products have been tried out in the hands of users, and the feedback has been good
.

　　VAE emulsion is a water-based polymer emulsion with vinyl acetate and ethylene as the main raw materials, and is copolymerized by medium pressure emulsion polymerization process.
, non-woven manufacturing and other fields
.