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Dispersion viscosity of aluminum trihydroxide of various particle size distributions in an unsaturated polyester resin
Author(s) -
Hsieh H. P.
Publication year - 1978
Publication title -
polymer engineering and science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.503
H-Index - 111
eISSN - 1548-2634
pISSN - 0032-3888
DOI - 10.1002/pen.760181204
Subject(s) - materials science , viscosity , particle size , dispersion (optics) , composite material , particle size distribution , aluminium , polyester , particle (ecology) , chemical engineering , optics , physics , oceanography , engineering , geology
The effect of filler particle size distribution on the viscosity of an aluminum trihydroxide/unsaturated polyester resin dispersion was studied. Four basic aluminum trihydroxides with distinctively different particle sizes were combined to generate various particle size distributions systematically. The particle size distribution producing the minimum viscosity was determined by employing a modified extreme vertices experiment design for mixtures to establish a quadratic model which was then optimized. The predicted viscosities in general as well as the particle size distribution corresponding to the minimum viscosity agreed well with the observed data.