PVC Guangzhou Dongchao TG-800 PVC in stock

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　　PVC Guangzhou Dongchao TG-800 PVC in stock

　　Polyvinyl chloride (PVC), due to the introduction of chlorine atoms into its polymer backbone, possesses a series of unique properties such as non flammability, high strength, resistance to climate change, and excellent geometric stability. Therefore, it has received widespread attention and become a synthetic material with good application prospects.

　　Although PVC resin has good comprehensive performance, it also has some defects, mainly manifested in poor thermal stability. The melting temperature of PVC is about 210 ℃, and it can quickly decompose when the material temperature is higher than 150 ℃. Therefore, when PVC is processed and applied, its thermal stability problem must be solved first; Secondly, hard PVC without or with minimal addition of plasticizers has high apparent viscosity and flowability in the melt, making it difficult to process; However, the use of small molecule plasticizers in soft PVC can cause the products to become hard, brittle, and lose their value due to the dissolution, volatilization, and migration of small molecules during processing and use, while also causing environmental pollution. The above issues have a significant impact on the processing and application of PVC.

　　Therefore, it is of great significance to modify PVC by changing polymerization methods, copolymerization modification and other technical means to improve thermal stability or endow new properties, and enhance the processability of PVC; In addition, optimizing and improving the processing technology and equipment of PVC based on its application requirements and plastic product performance requirements, adopting production processes to obtain cost-effective products, and further expanding the application scope of PVC to meet the special requirements of various products for material properties, is currently a hot and key research topic in PVC materials.

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