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Chemcial Industry and Engineering 2008, Vol. 25 Issue (6) :527-529    DOI:
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Polymerization of PVP(K-30)
YI Chang-qing~1,OUYANG Si-jie~2,CHENG Fa~2,WEI Yu-ping~2(1.Shandong Xinghua Chemical Corporation,Dongying 257091,Shandong Province,China;2.School of Science,Tianjin University,Tianjin 300072,China)
(1.Shandong Xinghua Chemical Corporation,Dongying 257091,Shandong Province,China;2.School of Science,Tianjin University,Tianjin 300072,China

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Abstract PVP(K-30) was prepared using N-vinylpyrrolidone(NVP) as raw material by solution polymerization.Effects of initiator,chain transfer agent and temperature on the K-value and residual N-vinylpyrrolidone concentration were investigated.The optimal technical conditions were as follows:concentration of NVP is 40%.Temperature of polymerization is(75 ��.) The initiator is composed of initiator A and B,m(A)/m(NVP)is 0.02 and m(B)/m(NVP) is 0.01.V(chain transfer agent D)/V(NVP monomer solution)is 0.02.The relative molecule mass(M) is 29.8.
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Received 2008-11-15; published 2008-11-15
Cite this article:   
YI Chang-qing~1,OUYANG Si-jie~2,CHENG Fa~2,WEI Yu-ping~2.Polymerization of PVP(K-30)[J]  Chemcial Industry and Engineering, 2008,V25(6): 527-529
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