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CCPIB Mar 05, 2018

The total name of CCPIB is Poly(1,4-diisopropyl benzene) . Because of its special structure, the C-C bond of the corresponding quaternary carbon atoms is not stable, and it is easy to dissociate and form free radicals. However, the CCPIB is more stable than the free radical initiator such as peroxide and azo, and it is relatively safer to use.

 

From the appearance of the product, the CCPIB is a kind of white powder. The melting point is about 122~215 , and the boiling point is above 230 . Considering the characteristics of the product, it is mainly used as grafting catalyst, polymer crosslinking initiator, engineering plastic modifier and flame retardant synergist.

 

In practical applications, the addition of CCPIB often does not have a significant impact on the tensile strength of the system. However, when it is added to 1.2 copies, it will have good flame retardancy. Therefore, considering its tensile properties, flame retardancy, and cost factors, the amount of its addition is usually controlled in 1.2 copies in the system. This ensures that it has a significant effect on flame retardancy.

 

In addition, in the LDPE/Sb203/DBD- P0 (mass ratio) =100/5/3 system, adding 1 copy of CCPIB can greatly improve the elongation at break, and at the same time, greatly improve the flame retardancy and the oxygen index is 29. So it is often used as a synergistic synergistic agent for polyolefin plastics.

 

In addition, in the brominated flame retardant system, the CCPIB can replace Sb2O3, and can greatly enhance the flame retardant effect. This can effectively reduce the amount of flame retardant, and can increase the physical and mechanical properties of the plastic.

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