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Recently, the preparation technology of architectural odor cleaning coating emulsion developed by Hebei Hengshui Xinguang Chemical Co.
, Ltd.
has passed the technical appraisal
of Hebei Scientific and Technological Achievements Transformation Service Center.
Experts unanimously believe that the technology is advanced, and the performance indicators of the product have reached the current level of BASF 502AP in Germany, which fills a gap in the field of emulsion preparation technology for clean taste coatings in China and has good promotion prospects
.
As a key material for environmentally friendly clean odor coatings, the preparation technology of clean acrylic copolymer emulsion greatly affects the quality of
coatings.
At present, most of the production of high-end architectural odor cleaning coating emulsions in China relies on foreign-funded enterprises
.
Hengshui Xinguang Company actively cooperated with Beijing University of Chemical Technology and Tianjin University School of Chemical Engineering to carry out school-enterprise joint research on the preparation technology of architectural odor cleaning coating emulsion, and achieved success
.
This technology solves the technical bottleneck of preparing styrene-acrylic architectural coating emulsion, and the VOC of the product emulsion is controlled within 100ppm, and it has reached the international advanced level
of similar products in terms of color appearance, mechanical stability, water resistance, alkali resistance and scrubbing resistance of the paint film.
It is understood that the scientific research team first purified the raw material monomer through molecular distillation technology to remove non-reactive impurities, thereby solving the serious irritating odor problem caused by the residual presence of non-polymeric impurities in the emulsion; Develop the combination of falling film evaporation technology and hot nitrogen gas to further remove volatile organic compounds from the emulsion, and achieve a true sense of clean taste and environmental protection; At the same time, the reactive emulsifier and nonionic emulsifier system are optimized to solve the problems
of concentration stability, mechanical stability and water resistance of the coating film.
(Country)
