APTEC technology upgrade for PVC process

APTEC technology for upgrading PVC production processes http://www.chemmade.com Last updated: 11/04/2015, 15:23:50. According to a report in China Chemical Industry News on November 2, reporters learned from Qingdao Weidson Resources Technology Co., Ltd. that the APTEC technology for the suspension polymerization of vinyl chloride, which was developed by this company, has improved the thermal stability, resin quality, and environmental performance of PVC when applied in PVC manufacturing plants such as Sichuan Jinlu and Shanxi Huoja. This technology has increased the polymerization conversion rate of vinyl chloride monomer by 7%–10%, while also reducing reaction time and contributing to the upgrading of PVC production processes. When PVC produced using this technology is used to manufacture products such as pipes, profiles, and films, the amount of heat stabilizer required can also be significantly reduced. It is reported that the APTEC process includes core technologies such as copolymerization techniques, special stabilizer materials, and efficient in-reactor initiation synthesis. In terms of reaction, this technology enables the exothermic reaction during polymerization to proceed more smoothly ； Increase the polymerization conversion rate in the same amount of time ； Where cooling capacity permits, increase the polymerization conversion rate by 7%–10% to reach over 90% ； Even during the secondary heating operation in the polymerization reactor, it is possible to increase the polymerization conversion rate by 5% and reduce the reaction time by 15%. In terms of formulation, this technology uses an in-reactor synthesis initiation system, replacing traditional initiators with auxiliary agents to eliminate dependence on them. Although the use of this technology increases the formulation cost by 15–40 yuan per ton, subsequent technical improvements can reduce the overall cost per ton of PVC by around 70 yuan, while yielding high-quality PVC products. For a 300,000 tons/year PVC plant equipped with the APTEC process, the payback period for equipment renovation investments is no more than 1 month. It is understood that PVC resin produced using APTEC technology has a more stable molecular chain structure, as well as improved thermal and light stability. This allows for the use of fewer or even no lead salt heat stabilizers during the processing of pipes, profiles, and other products, resulting in a 30%–70% reduction in the amount of organotin heat stabilizers required, and a 20%–38% reduction in the amount of lead salt heat stabilizers needed. Due to the reduced amount of heat stabilizers used, the cost of PVC soft products decreases by approximately 100 yuan per ton, while the cost of PVC hard products drops by about 180 yuan per ton ； At the same time, the processing cost is reduced as well, while the thermal stability, smoke point, and electrical conductivity of the products improve. The PVC flexible product resin produced by Huo’s company in Shanxi after being upgraded using APTEC technology resulted in a 70% reduction in the amount of heat stabilizer required during processing at Changle Qianwei Group; this led to cost savings of 120 yuan per ton of PVC flexible products manufactured ； The use of the resins produced by Sichuan Jinlu Resin Co., Ltd. in the production of PVC pipes and profiles at Guizhou Senrui Plastic Co., Ltd. has shown that reducing the amount of heat stabilizer used by 1/3 to 1/2 results in an increase in profits of around 180 yuan per ton. Based on an annual production of 8 million tons of PVC pipes, with 40 kilograms of heat stabilizer used per ton of pipes, the full adoption of this technology could reduce the use of lead salts in the PVC processing industry by 200,000 tons per year. Are there anyone online to answer questions about these two companies recommended online?

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Hello everyone. Are there any friends from Shanxi Huoja or Sichuan Jinlu Resin Co., Ltd. who would like to talk about APTEC technology?