钢渣的表面改性及其在橡胶中应用研究

doi:10.11896/j.issn.1005-023X.2018.06.027

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Abstract The influence of steel slag on curing characteristics and mechanical properties of a compounded rubber i.e. natural rubber, styrene-butadiene rubber and butadiene rubber was studied. The results show that the addition of steel slag can promote the vulcanization of the compounded rubber by shortened the scorch time (t₁₀) and curing time (t₉₀). Addition of an appropriate amount of steel slag (10 phr) leads to an increase in the tensile strength and elongation at break of the compounded rubber. As the amount of steel slag further increased, the tensile strength and elongation at break of the compounded rubber decreased gradually, whereas the hardness and volume fraction of abrasion of compounded rubber increased. Compared with the compounded rubber without steel slag filled,the t₁₀ and t₉₀ of KH-550 modified steel slag filled compounded rubber decreased; the t₁₀ and t₉₀ of the compounded rubber with Si-69 and CS-105 modified steel slag improved. The tensile strength and the elongation at break of the compounded rubber filled with the modified steel slag increased and the volume fraction of abrasion decreased compared with the compounded rubber filled with the unmodified steel slag. The SEM results elaborate that the compatibility of modified steel slag and compounded rubber is improved.

Key words： steel slag compounded rubber surface modification

Published: 25 March 2018 Online: 2018-03-25

CLC number:

X757

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	SHEN Haiyang
	WANG Zhengzhou

Cite this article:

SHEN Haiyang,WANG Zhengzhou. Surface Modification of Steel Slag and Its Application in Compounded Rubber[J]. Materials Reports, 2018, 32(6): 1000-1003.

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https://www.mater-rep.com/EN/10.11896/j.issn.1005-023X.2018.06.027 OR https://www.mater-rep.com/EN/Y2018/V32/I6/1000

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