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On January 5th, the construction task of the demonstration line of the national key R&D plan project "high-quality solution coloring polyester in-situ continuous polymerization industrialization complete set technology" undertaken by Luoyang Petrochemical passed the on-site acceptance
.
The acceptance expert group believes that the demonstration line has achieved the stable production of in-situ polymerization of ultra-black polyester chips and staple fibers, met the target requirements of the task book with a production capacity of not less than 100,000 tons/year, and the product performance has reached the industry standard "FZ/T
52018-2011 Colored polyester staple fiber" excellent product index
.
The project is jointly undertaken
by Luoyang Petrochemical and China Textile Research Institute Co.
, Ltd.
The core task of the project is to build a demonstration line for continuous polymerization of 100,000 tons/year of in-situ polymerization of ultra-black polyester and 50,000 tons/year of melt direct spinning staple fiber production in Luoyang Petrochemical, and develop and produce high-quality ultra-black polyester chips and staple fiber products
.
Among them, the extra black chips meet the application needs of offline spinning high-end sewing thread, ultra-fine denier yarn, high-strength industrial yarn and non-fibrotic engineering plastics; Extra black staple fiber is used for high-end sewing threads and fabric yarns
.
"In-situ polymerization technology can solve the problems existing in the original technology in terms of product dispersion, compatibility, spinnability, etc.
, and the products produced by this technology have the characteristics
of high color fastness, uniform color and good spinnability.
" Compared with traditional dyeing and additive modification polyester sewing threads, in-situ polymerized polyester sewing threads have better color fullness uniformity, as well as high temperature ironing, washing resistance, friction resistance and light fastness
.
Cao Yuxin, chief expert of Luoyang petrochemical chemical process, said
.
