1 When treating aBS flame retardant, it must be considered whether the impact strength is decreased, the heat distortion temperature, the melt flow index and the light stability are affected. Commonly used are decabromodiphenyl ether, brominated epoxy resin (BER), tetrabromobisphenol a and the like. Some newly developed brominated epoxy resins (BER) can maintain the original thermal stability, thermal aging, processability, light stability of aBS and the non-bleeding of the flame retardant itself.
2 In order to ensure the original impact strength, gloss and transparency, colloidal antimony pentoxide can be used as a flame retardant synergist.
Flame retardant silicone resins SFR 100 and SFR 1000 developed by 3GE can be effectively used in polyolefin flame retardant treatment. When they are combined with magnesium stearate or aTH, aPP and pentaerythritol, they can not only promote the formation of carbon layer, Preventing the generation of smoke and blocking the spread of the flame can also improve the smoothness of the polyolefin surface. Especially when combined with magnesium stearate, the impact strength of the flame retardant system can be improved. Therefore, the silicone resin is a good flame retardant in the flame retardant treatment technology of aBS and HIPS, but the price is too expensive and non-special use. Very few people usually ask.
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