Yellow Foaming Agent
Introduction: Yellow Foaming Agent is an organic fine chemical product < the scientific name is azodicarboxylic acid < the light yellow powder < relative density is 1.65, decomposition temperature between 195℃-200℃, gas production is 220-250 mL /g;Can be stored for a long time < not easy to deteriorate < soluble in alkali, alcohol, gasoline, benzene, pyridine < insoluble in water.Commercial Yellow Foaming Agent appearance is light yellow crystalline powder < relative density 1< belongs to the azo series decomposition temperature of high organic thermal decomposition foaming agent.The gas volume is 20-20 mL/g< generally in line with the HG-1187-78 quality standard issued by the Ministry of Chemical Industry < that is, the gas volume of first-grade products is greater than 210m/g < the gas volume of second-grade products is greater than 200 mL/g< the commercial processing is mainly divided according to the gas volume, decomposition temperature, particle size of different grades < abroad often add accelerators in the Yellow Foaming Agent < get modified Yellow Foaming Agent.
ApplicationThe excellent properties of Yellow Foaming Agent are widely used in various fields: coaxial cable, CCP cable, high-density polyethylene, multi-pair metal communication cable and other insulating materials foaming;Mainly used in polypropylene, polyethylene, polyvinyl chloride, polyamide, neoprene, butyl rubber, natural rubber, ABS, rubber, epoxy resin, such as normal pressure, or pressure foaming, and PVC artificial leather, wallpaper, PE, PVC, PP crosslinking high foam products, EPDM article wind and other rubber products with high foaming polymer materials processing;Flour improver, fumigant formula, can be used for farmland greenhouse, indoor, septic tank and so on;Safety airbag production agent.
Product Features
1) Reduce the density of composite materials.After nucleation of bubbles in the foaming system, as long as there is enough gas diffused into the nucleated bubble pores, the bubble pores will continue to increase, thus reducing the density of the material.
2) Yellow Foaming Agent reduces the sensitivity of viscosity to temperature: because Yellow Foaming Agent produces gas to reduce the resistance of continuous movement, reduces the fluid activation energy △Eη, so that the sensitivity of viscosity to temperature is reduced.
3) With the increase of the amount of Yellow Foaming Agent, the hardness of the material can be reduced and the thermal shrinkage can be intensified.
4) Yellow Foaming Agent has the function of nucleating agent, which is similar to throwing broken ice into water. When a small amount of bubbles are formed, bubbles of similar size will be formed from the core.
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