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On the morning of December 25th, the first batch of new PIA (isophthalic acid) products trial-produced by Yangzi Petrochemical fully met the quality standards after quality inspection and analysis
.
PIA is mainly used in the production of alkyd resins, unsaturated polyester resins and other high polymers and various polyester plasticizers.
It is also an important raw material for polyester polyols in polyurethane adhesives for packaging and printing ink binders
.
In order to complete this trial production task, since the unloading of the raw material MX (m-xylene) into the factory in November, the company has made various production preparations in advance.
Leave a trace of sundries to avoid affecting product quality; on the other hand, carry out personnel training, formulate operating specifications and emergency response plans to ensure that the entire process is orderly
.
Since the feeding of the oxidation unit on December 23, the device has strictly followed the start-up process, grasped the time node, and completed various start-up tasks in an orderly manner
.