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Hangzhou Taoxing Printing Machinery Co.,Ltd

Research Progress Of UV Curing

In the technology of UV system initiation, the use of cationic light Initiator is studied. Sanfangki sulfur Salt is a typical example of this type of light initiator. In this cationic system, the activation process is similar to the free radical polymerization process, that is, light absorption, additive effect, initiation, transmission and final chain termination. One of the advantages of cationic system is that the reaction will not be inhibited by oxygen, but the traditional free radical initiator will be inhibited by oxygen. However, cationic initiators are sensitive to pro-of nuclear impurities such as water, which neutralize cations to cause chain growth to occur at the end.

Cationic initiators are relatively expensive in price and are therefore not commonly used.


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