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基于傅里叶红外光谱的钢渣代炭黑环保型复合橡胶的补强机理及性能研究

Study on Strengthening Mechanism and Performance of Environmental Protection Composite Rubber with Steel Slag Instead of Carbon Black Based on Fourier Transform Infrared Spectroscopy

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摘要

以铁水脱硫渣作为研究对象, 利用铁水脱硫渣作为橡胶填料取代部分炭黑与丁苯橡胶进行复合, 制备铁水脱硫渣/丁苯橡胶。 利用多种方法测试铁水脱硫渣/丁苯橡胶的性能, 采用傅里叶变换红外光谱仪测试硫化过程中不同阶段铁水脱硫渣的结构组成。 结果表明: 利用铁水脱硫渣部分替代炭黑, 可达到补强效果与降低补强剂成本的目的。 铁水脱硫渣/丁苯橡胶的正硫化时间(t90)为25.08 min, 其焦烧期为0~15 min、 热硫化期15~25 min和硫化平坦期25~45 min。 在焦烧期铁水脱硫渣可以提供碱环境, 利于增加丁苯橡胶流动性; 在热硫化期与硫化平坦期, 铁水脱硫渣中Ca2SiO4能够持续加速发生水化反应生成C—S—H凝胶, 达到对丁苯橡胶补强的效果。 另外, 铁水脱硫渣可以避免铁水脱硫渣/丁苯橡胶过硫化期的出现。

Abstract

With the molten iron desulphurization slag as research object, the molten iron desulphurization slag / styrene butadiene rubber was prepared by using molten iron desulphurization slag as rubber filler instead of partial carbon black compound styrene butadiene rubber. The performance of molten iron desulphurization slag/styrene butadiene rubber was tested with various methods while the structure of molten desulphurization slag was tested with Fourier transform infrared spectrometer during the different periods of curing process. The results showed that the effect of strengthening and reducing the cost of reinforcing agent can be achieved by using molten iron desulphurization slag instead of partial carbon black. The optimum cure time of molten iron desulphurization slag / styrene butadiene rubber (t90) was 25.08 min, the scorch time was 0~15 min, the thermal curing period was 15~25 min, the curing flat period was 25~45 min. The molten desulphurization slag could provide alkali environment during the scorch time, which was beneficial to increase the liquidity of styrene butadiene rubber. During the thermal curing period and curing flat period, the Ca2SiO4 in the molten desulphurization slag could continue to accelerate the hydration reaction to generate C—S—H gel, which could achieve the effect of strengthening styrene butadiene rubber. In addition, molten desulphurization slag could avoid the emergence of over curing period of molten desulphurization slag/styrene butadiene rubber.

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中图分类号:TB332

DOI:10.3964/j.issn.1000-0593(2017)04-1053-05

基金项目:国家自然科学基金项目(50872105)资助

收稿日期:2016-10-01

修改稿日期:2017-02-10

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顾恒星:西安建筑科技大学材料与矿资学院, 陕西 西安 710055中冶宝钢技术服务有限公司, 上海 200941
李 辉:西安建筑科技大学材料与矿资学院, 陕西 西安 710055
程东波:中冶宝钢技术服务有限公司, 上海 200941
徐德龙:西安建筑科技大学材料与矿资学院, 陕西 西安 710055
杨 刚:西安建筑科技大学材料与矿资学院, 陕西 西安 710055中冶宝钢技术服务有限公司, 上海 200941
陈 华:西安建筑科技大学材料与矿资学院, 陕西 西安 710055中冶宝钢技术服务有限公司, 上海 200941

联系人作者:顾恒星(guhengxing123@163.com)

备注:顾恒星, 1984年生, 西安建筑科技大学材料与矿资学院博士研究生

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引用该论文

GU Heng-xing,LI Hui,CHENG Dong-bo,XU De-long,YANG Gang,CHEN Hua. Study on Strengthening Mechanism and Performance of Environmental Protection Composite Rubber with Steel Slag Instead of Carbon Black Based on Fourier Transform Infrared Spectroscopy[J]. Spectroscopy and Spectral Analysis, 2017, 37(4): 1053-1057

顾恒星,李 辉,程东波,徐德龙,杨 刚,陈 华. 基于傅里叶红外光谱的钢渣代炭黑环保型复合橡胶的补强机理及性能研究[J]. 光谱学与光谱分析, 2017, 37(4): 1053-1057

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