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2222材料工程  2021, Vol. 49 Issue (9): 151-157    DOI: 10.11868/j.issn.1001-4381.2019.001105
  研究论文 本期目录 | 过刊浏览 | 高级检索 |
钢渣制备水滑石阻燃剂及其在EVA复合发泡材料中的应用
马帅1, 宋驰1, 张钊滟1, 郑玉婴1,2, 温娜1
1. 福州大学 材料科学与工程学院, 福州 350108;
2. 福建宸琦新材料科技有限公司, 福建 泉州 362200
Preparation of hydrotalcite flame retardant from steel slag and its application in EVA foam composites
MA Shuai1, SONG Chi1, ZHANG Zhao-yan1, ZHENG Yu-ying1,2, WEN Na1
1. College of Materials Science and Engineering, Fuzhou University, Fuzhou 350108, China;
2. Chenqi New Material Technology Co., Ltd., Quanzhou 362200, Fujian, China
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摘要 以钢渣为原料合成了磷酸根型水滑石(P-LDHs),并用十二烷基硫酸钠(SDS)插层P-LDHs得到改性水滑石(SDS-P-LDHs)。分别将P-LDHs,SDS-P-LDHs和膨胀石墨、EVA共混,发泡得到EVA复合发泡材料。利用XRD,XRF,FT-IR,SEM,TEM对P-LDHs和SDS-P-LDHs的形貌结构进行表征。结合极限氧指数(LOI),垂直燃烧(UL-94),SEM,TG,拉伸强度、断裂伸长率等测试,讨论了P-LDHs和SDS-P-LDHs用量对EVA复合发泡材料的阻燃性能和力学性能的影响。结果表明,P-LDHs和SDS-P-LDHs的加入显著提高了EVA复合发泡材料的阻燃性能,可起到良好的成炭作用。相比P-LDHs,SDS-P-LDHs与EVA基体相容性更好,当SDS-P-LDHs添加量为30%(质量分数)时,LOI达到27.5%,UL-94达到V-0级别,拉伸强度和断裂伸长率分别为2.27 MPa和251%,体系综合性能达到最佳。
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马帅
宋驰
张钊滟
郑玉婴
温娜
关键词 水滑石阻燃钢渣EVA十二烷基硫酸钠    
Abstract:Phosphated hydrotalcite (P-LDHs) was synthesized from steel slag and modified hydrotalcite (SDS-P-LDHs) was obtained by intercalation of P-LDHs with sodium dodecyl sulfate (SDS). P-LDHs and SDS-P-LDHs were blended with expanded graphite and ethylene vinyl acetate copolymer (EVA),to prepare EVA foam composites, respectively. The surface morphology and structure of P-LDHs and SDS-P-LDHs were characterized by XRD, XRF, FT-IR, SEM and TEM. Combined with limited oxygen index(LOI), UL-94, SEM, TG, tensile strength and elongation at break, the effects of P-LDHs and SDS-P-LDHs on the flame retardancy and mechanical properties of EVA foam composites were discussed. The results show that the addition of P-LDHs and SDS-P-LDHs significantly improves the flame retardant properties of EVA foam composites and can play a good role in charring formation. Compared with P-LDHs, SDS-P-LDHs have better compatibility with EVA matrix. When the addition amount of SDS-P-LDHs is 30%(mass fraction), the LOI reaches 27.5%, UL-94 reaches V-0 level, tensile strength and elongation at break are 2.27 MPa and 251%, respectively. The comprehensive properties of the system are optimal.
Key wordshydrotalcite    flame resistance    steel slag    EVA    sodium dodecyl sulfate
收稿日期: 2019-12-02      出版日期: 2021-09-17
中图分类号:  TB332  
通讯作者: 郑玉婴(1959-),女,教授,博士,研究方向:功能高分子复合材料,联系地址:福建省福州市闽侯县上街镇学园路2号福州大学材料科学与工程学院(350108),E-mail:yyzheng@fzu.edu.cn;温娜(1983-),女,讲师,博士,研究方向:高分子材料,联系地址:福建省福州市闽侯县上街镇学园路2号福州大学材料科学与工程学院(350108),E-mail:wennaa@fzu.edu.cn     E-mail: yyzheng@fzu.edu.cn;wennaa@fzu.edu.cn
引用本文:   
马帅, 宋驰, 张钊滟, 郑玉婴, 温娜. 钢渣制备水滑石阻燃剂及其在EVA复合发泡材料中的应用[J]. 材料工程, 2021, 49(9): 151-157.
MA Shuai, SONG Chi, ZHANG Zhao-yan, ZHENG Yu-ying, WEN Na. Preparation of hydrotalcite flame retardant from steel slag and its application in EVA foam composites. Journal of Materials Engineering, 2021, 49(9): 151-157.
链接本文:  
http://jme.biam.ac.cn/CN/10.11868/j.issn.1001-4381.2019.001105      或      http://jme.biam.ac.cn/CN/Y2021/V49/I9/151
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