改性碱式氯化镁晶须/丁苯橡胶复合材料制备与性能研究

doi:10.11962/1006-4990.2019-0255

Abstract

Abstract:

Basic magnesium chloride whisker was prepared by water solution method with industrial active calcined magnesium oxide powder and hydrochloric acid as raw materials.Subsequently,basic magnesium chloride whisker was modified by silane coupling agent.And then the modified basic magnesium chloride whisker/styrene butadiene rubber composite was obtained by mixing with styrene butadiene rubber.The effect of additives on mechanical and thermal properties of styrene bu-tadiene rubber was studied.Results showed that the structure of basic magnesium chloride whisker prepared by aqueous solution method was Mg₂（OH）₃Cl·4H₂O,and it was microfibriform,evenly distributed with a length-diameter ratio greater than 20.The addition of modified basic magnesium chloride whisker can improve the mechanical strength and flame retardant performance of styrene butadiene rubber composites.

Key words: basic magnesium chloride whiskers, styrene butadiene rubber, composite material, mechanical properties

CLC Number:

TQ132.2

Wang Guosheng,Han Siyu,Tang Fengxiang,Xu Ronghui. Preparation and properties of modified basic magnesium chloride whisker/styrene butadiene rubber composites[J]. Inorganic Chemicals Industry, 2020, 52(3): 51-54.

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References 19

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晶须/ 质量份	试样面积/mm²	最大载荷/N	抗拉强度/MPa	定伸应力/MPa	断裂伸长率/%	邵氏硬度/A
0.000	12.12	148.25	12.23	7.83	469.09	73.0
2.149	12.54	167.85	13.39	7.22	539.07	74.0
4.288	12.54	142.30	11.35	7.48	448.50	73.8
6.145	11.94	139.50	11.68	6.55	522.01	72.2
8.307	12.30	144.60	11.76	6.66	513.17	74.8

晶须/质量份	氧指数/%	晶须/质量份	氧指数/%
0.0	18.0	6.0	20.7
2.0	20.3	8.0	20.8
4.0	20.8

National Inorganic Salts Information Center

Inorganic Acid-Base-Salt Committee of CIESC

Preparation and properties of modified basic magnesium chloride whisker/styrene butadiene rubber composites

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