Quantitative characterization of kaolinite dispersibility in styrene–butadiene rubber composites by fractal dimension

Zhang, Yude, Liu, Qinfu, & Frost, Ray L. (2015) Quantitative characterization of kaolinite dispersibility in styrene–butadiene rubber composites by fractal dimension. Polymer Composites, 36(8), pp. 1486-1493.

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A fractal method was introduced to quantitatively characterize the dispersibility of modified kaolinite (MK) and precipitated silica (PS) in styrene–butadiene rubber (SBR) matrix based on the lower magnification transmission electron microscopic images. The fractal dimension (FD) is greater, and the dispersion is worse. The fractal results showed that the dispersibility of MK in the latex blending sample is better than that in the mill blending samples. With the increase of kaolinite content, the FD increases from 1.713 to 1.800, and the dispersibility of kaolinite gradually decreases. There is a negative correlation between the dispersibility and loading content. With the decrease of MK and increase of PS, the FD significantly decreases from 1.735 to 1.496 and the dipersibility of kaolinite remarkably increases. The hybridization can improve the dispersibility of fillers in polymer matrix. The FD can be used to quantitatively characterize the aggregation and dispersion of kaolinite sheets in rubber matrix.

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ID Code: 83652
Item Type: Journal Article
Refereed: Yes
Keywords: modified kaolinite, precipitated silica, styrene-butadiene rubber, transmission electron microscope, fractal dimension
DOI: 10.1002/pc.23055
ISSN: 0272-8397
Divisions: Current > Schools > School of Chemistry, Physics & Mechanical Engineering
Current > QUT Faculties and Divisions > Science & Engineering Faculty
Copyright Owner: Copyright 2014 Society of Plastics Engineers
Deposited On: 17 Apr 2015 00:58
Last Modified: 20 Jul 2015 01:00

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