The Direct Characterization for the Modified Filler by Oil Absorption Ratio

Xiang Yun Liu; Xue Yong Zhou; Li Li Qu; Qi Cai Yao; He Wang

doi:10.4028/www.scientific.net/AMR.549.625

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 549The Direct Characterization for the Modified...

The Direct Characterization for the Modified Filler by Oil Absorption Ratio

Abstract:

The method for characterizing the modified filler directly by oil absorption ratio was studied. The oil absorption ratio of heavy CaCO₃ is decreased with the increase of modifier amount in the early stage, but then a slow decline was observed after an inflexion point. The optimal amount of the modifier was calculated at the inflexion point of the curve of oil absorption ratio. The results showed that the optimal amount of the modifier for 400 mesh, 700 mesh, 1000 mesh and 2000 mesh CaCO₃ was 0.8%, 0.9%, 1.0% and 1.5%, respectively. The CaCO₃ powder was treated with the modifier at the optimal amount, then the masterbatch was prepared by the modified CaCO₃. The melt-flow rate experiment for the masterbatch showed that the direct characterization method for the CaCO₃ powder was efficient when its particle size was between 400 and 1000 mesh.

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Periodical:

Advanced Materials Research (Volume 549)

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625-629

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https://doi.org/10.4028/www.scientific.net/AMR.549.625

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Online since:

July 2012

Authors:

Xiang Yun Liu, Xue Yong Zhou, Li Li Qu, Qi Cai Yao, He Wang

Keywords:

Characterization, Filler, Modification, Oil Absorption Ratio

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