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低分子聚丙烯酰胺分子量的确定
Determination of Molecular Weight of HPAM by Viscosimetry
【摘要】 本文在25℃、0.5M NaCl水溶液中,测定了聚合度(P)为1.48×10~3~3.79×10~4的聚丙烯酰胺(PAM)及其水解度(h)在0~0.7之间的水解聚丙烯酰胺(HPAM)的特性粘数([η]),建立了HPAM的[η]与P、h之间的定量关系式:[η]=0.1176P~0.81+1.2563(1-0.795h~0.5)hP~0.74用该式对文献数据进行处理,其平均误差为14.97%。
【Abstract】 In this paper,the intrinsic viscosities [η] of hydrolyzed Polyacrylamide (HPAM) with various hydrolysis degrees h (0~0. 7) were measured in 0. 5M NaCl Aqueous solution. The range of polymerization degree p of HPAM was 1. 48 × 103~3. 79 × 104. The function of [η] with h ·P was established as :[η] = 0. 1176P0.83+1. 2563P0. 74(1-0. 795h0.5)h By use of this equation,we can predict the molecular weight of HPAM.
- 【文献出处】 广州化工 ,Guang Zhou Chemical Industry and Technology , 编辑部邮箱 ,1995年04期
- 【分类号】O633
- 【下载频次】172