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AC,ADC blowing agent azodicarbonamide
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Source:www.muchid.com               Date:2018.11.15

The blowing agent AC, chemical name is azodicarbonamide. The yellow crystalline powder has a decomposition temperature of 190 to 205 ° C, and the decomposition temperature can be lowered from 220 ° C to 150 to 190 ° C by adding an activator such as zinc oxide, stearate, carbonate and phosphate. Non-flammable. The gas yield is 200-300ml/g. When it decomposes, it releases N2, CO2 and a small amount of NH3. The residue after decomposition is white, and it is non-toxic and tasteless when decomposed.

The foaming agent AC is a foaming agent with a large amount of gas generation, the most excellent performance and a wide range of uses. It is used in synthetic materials such as polyvinyl chloride, polyethylene, polypropylene, polystyrene, polyamide, ABS and rubber. A uniform and fine cell structure can be obtained, and the product has the advantages of comfortable hand feeling, good resilience and strong leather feeling. Can be used to make tool handles, furniture, automotive parts, closed-cell leather, flooring, seals and soles. Due to its wide range of uses and excellent performance, various manufacturers are competing for production and sales. Thus, the selection of the AC blowing agent becomes more and more difficult.

DC and ADC are inorganic foaming agents, and the structural formula is RHCO3 RH is an organic functional group. The decomposition temperature is lower <180 °C, and the harmful organic gas is released during the foaming process due to the decomposition of the RH organic functional group, and the performance is not as good as the organic foaming agent.

The production of ADC produces a large amount of wastewater, which is a high concentration of NH3-N wastewater, contains a variety of salts, and the composition of organic matter is complex and difficult to treat. If wastewater is discharged into water bodies, it will have adverse effects on humans and the environment. Causes eutrophication of water bodies and increases the cost of water treatment. The ADC is the original powder, and AC and DC are modified. The odorless foaming agent is widely used in the foaming of plastics such as TPR, EVA, PE, PVC, and various rubbers due to the use of environmentally friendly low odor additives. It is suitable for EVA hot pressing, small mold foaming and PE one foaming process.

Therefore, in the actual production of AC foaming agent is the most widely used, when you need to buy AC foaming agent, you can consult the bubble height, foaming multiple, the relevant concentration of product ingredients for effective assessment.

 
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