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What are the problems in the PVC processing aid market?
1. There is still a certain gap between domestic PVC processing aids and foreign products, and low prices do not have a major advantage in market competition. Although domestic products have certain geographical and price advantages in market competition, we have certain gaps in product perform...Read more -
The physical properties and main functions of PVC processing aids
PVC processing aid is a thermoplastic graft polymer obtained from the polymerization of methyl methacrylate and acrylate through seed lotion. It is mainly used for the processing and production of PVC materials. It has a good effect on improving the impact resistance of PVC materials. It can prep...Read more -
What are the factors that affect the quality of processing aids
1. Viscosity number The viscosity number reflects the average molecular weight of the resin and is the main characteristic for determining the type of resin. The properties and uses of the resin vary depending on the viscosity. As the degree of polymerization of PVC resin increases, mechanical p...Read more -
At the “top” exhibition in the environmental protection industry, the latest industry development trends
When it comes to well-known exhibitions in the environmental protection industry, China Environmental Expo (IE EXPO) is naturally indispensable. As a weathervane exhibition, this year marks the 25th anniversary of China Environmental Expo. This exhibition opened all the exhibition halls of the Sh...Read more -
Development status of titanium dioxide industry
With the gradual rise of downstream application fields, the demand for titanium dioxide in industries such as new energy batteries, coatings, and inks has surged, driving up the production capacity of the titanium dioxide market. According to data from Beijing Advantech Information Consulting, by...Read more -
What losses will be caused by low-quality chlorinated polyethylene CPE in PVC processing?
Chlorinated polyethylene (CPE) is a chlorinated modification product of high-density polyethylene (HDPE), used as a processing modifier for PVC, The chlorine content of CPE should be between 35-38%. Due to its excellent weather resistance, cold resistance, flame resistance, oil resistance, impact...Read more -
How to test the addition of inorganic substances in ACR processing aids?
Detection method for Ca2+: Experimental instruments and reagents: beakers; Conical flask; Funnel; Burette; Electric furnace; Anhydrous ethanol; Hydrochloric acid, NH3-NH4Cl buffer solution, calcium indicator, 0.02mol/LEDTA standard solution. Test steps: 1. Accurately weigh a certain amount of ACR...Read more -
What to do if the quality of PVC foaming regulators is poor?
During the foaming process of materials, the gas decomposed by the foaming agent forms bubbles in the melt. There is a trend of small bubbles expanding towards larger bubbles in these bubbles. The size and quantity of bubbles are not only related to the amount of foaming agent added, but also to ...Read more -
The petrochemical industry is deeply involved in the “Belt and Road” initiative and is writing a new chapter
2024 is the starting year of the second decade of the construction of the "Belt and Road". This year, China's petrochemical industry continues to cooperate along the "Belt and Road". Existing projects are progressing smoothly, and many new projects are about to be implem...Read more -
What are the functions of PVC processing aids?
1. PVC processing aids PA-20 and PA-40, as imported ACR products, are widely used in PVC transparent films, PVC sheets, PVC particles, PVC hoses and other products to effectively improve the dispersion and thermal processing performance of PVC mixtures, surface brightnes...Read more -
The use and precautions of PVC foaming regulators
The purpose of PVC foaming regulator: In addition to all the basic characteristics of PVC processing aids, foaming regulators have higher molecular weight than general-purpose processing aids, high melt strength, and can give products more uniform cell structure and lowe...Read more -
The impact of PVC products on people’s lives
PVC products have a profound and complex impact on human life, and they penetrate into our daily lives in many ways. First of all, PVC products are widely used in many fields due to their durability, plasticity and relatively low cost, thus greatly improving the convenie...Read more
