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Citation: Zeng Zhao-Nian, Feng Ke, Li Zhuo-Mei. Viscosity Equation for Ionomer Solution[J]. Acta Physico-Chimica Sinica, ;1995, 11(04): 289-291. doi: 10.3866/PKU.WHXB19950401 shu

Viscosity Equation for Ionomer Solution

1.
Institute of Polymer Science,Zhongshan University,Guangzhou 510275

Received Date: 28 November 1994
Available Online: 15 April 1995

Huggins equation has been found not suitable for the ionomer solution because of the aggregation of polymer chains. In this paper a viscosity equation for describing the viscometric behavior of ionomer solution is proposed as follows:
ηsp/c = A•exp(κcγ)
where A, κ and γ are adjustable parameters. Two kinds of zinc sulfonated butyl rubber (Zn-SIIR) ionomers with different molecular weight ([η]=0.65 and 1.47dL•g-1, xylene, 25 ℃) have been synthesized. Viscosity measurements for the ionomers in xylene containing various amount of hexanol (0~0.2mol•L-1) as cosolvent have been done. It has been found that ln(ηsp/c) increases linerly whit cγ for all plots and the liner correlative （R）are all higher than 0.999, indicating that viscosity concentration relationship for these ionomer solutions is in accordance with the viscosity equation mentioned above. The value of γ increases as hexanol content decreases. Science lower hexanol content leads to higher degree of aggregation of polymer chains, it is suggested that γ was related to the aggregation of polymer chains.
- IonomerSolution,
- Aggregation,
- Viscometric behavior
  ,
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