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Investigation on the rheological behavior of nylon 6/11

✍ Scribed by Guo-sheng Hu; Biao-bing Wang; Feng-zhen Gao

Publisher
Elsevier Science
Year
2006
Tongue
English
Weight
168 KB
Volume
426
Category
Article
ISSN
0921-5093

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✦ Synopsis

The rheological behavior of nylon 6/11 was investigated using XYL-II capillary rheometer. The experimental results indicated that both nylon 11 and nylon 6/11 melts were pseudoplastic and exhibited shear-thinning behavior. The weight fractions (Ο† C ) of caprolactam had a similar influence on the shear stress (Ο„ w ) at fixed shear rate (Ξ³ w ) and apparent viscosity (Ξ· a ), both Ο„ w at fixed Ξ³ w and Ξ· a reached their maximum when Ο† C = 15 wt%. The reduction of the viscous activation energy with the increase of shear stress reflected that nylon 6/11 can be processed over a wider temperature at a constant shear stress.

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