Rheological Properties of Polysulfonamide Spinning Solutions with Higher Ratios of p-Phenylene Segments

Hu Min Li; Xiao Jie Peng; Jiong Xin Zhao

doi:10.4028/www.scientific.net/AMR.683.289

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 683Rheological Properties of Polysulfonamide Spinning...

Rheological Properties of Polysulfonamide Spinning Solutions with Higher Ratios of p-Phenylene Segments

Abstract:

Polysulfonamide (PSA) fiber is a kind of synthetic fiber with excellent high temperature resistance properties. However, the poor mechanical property has limited its application. In our previous research, we have concluded that the presence of more rigid segments of p-phenylene in the PSA copolymer backbone enhanced the strength and modulus of the fiber. In this paper, the rheological properties of PSA spinning solutions with higher contents of 4,4'-diaminodiphenylsulfone (4,4'-DDS) were investigated. Static state rheological properties of PSA spinning solutions were investigated by measuring the apparent viscosity versus shear rate at different temperatures. The results showed that three types of PSA spinning solutions were typical shear thinning fluid. And the spinning solutions of PSA with different ratios of 4,4'-DDS and 3,3'-diaminodiphenylsulfone (3,3'-DDS) showed the similar rheological properties, which meant that the spinning equipment and technologic parameter did not need to be updated to produce new PSA fibers.

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Periodical:

Advanced Materials Research (Volume 683)

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289-292

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.683.289

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Online since:

April 2013

Authors:

Hu Min Li, Xiao Jie Peng, Jiong Xin Zhao

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Higher Ratios of p-Phenylene Segments, Polysulfonamide, Rheological Property

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