Rheological Study on of PBT with High Melt Flow Index

Yuan Liu; Lin Wang; Qing Yan Xu; Pei Jie Lin; Zhi Hong Guo; Yan Ping Wang; Yi Min Wang

doi:10.4028/www.scientific.net/AMR.487.644

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 487Rheological Study on of PBT with High Melt Flow...

Rheological Study on of PBT with High Melt Flow Index

Abstract:

Melt-blown generated PBT nonwoven fabrics usually have small fibril diameter, high flexibility, well heat and oil resistance. Therefore, they would have promising application such as vehicle filtering media. The rheological behavior of PBT with High Melt Flow Index for Melt-blown is investigated in this paper. It is a direction of the technology design and fabrication parameters .The relation of apparent viscosity and shear rate is analyzed, as well as flow activation energy and Non-Newtonian indexes. The results suggest that PBT with High Melt Flow Index is Non-Newtonian fluid. Apparent viscosity and flow activation energy show gradually decrease with increasing shear rate, exhibiting typical shear-thinning behavior.

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Periodical:

Advanced Materials Research (Volume 487)

Pages:

644-648

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.487.644

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Online since:

March 2012

Authors:

Yuan Liu, Lin Wang, Qing Yan Xu, Pei Jie Lin, Zhi Hong Guo, Yan Ping Wang, Yi Min Wang

Keywords:

Apparent Viscosity, Melt Blown, PBT, Rheological Behavior, Shear Rate

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