偶联剂改性粉煤灰疏水薄膜成膜工艺的研究
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摘要
本文以火电厂排出的主要固体废弃物粉煤灰作为原料,使用钛酸酯偶联剂105,通过干法对粉煤灰进行化学包覆,使改性后的粉煤灰具有疏水性,分别采用三种工艺成膜,研究不同干膜的疏水性。结果表明,改性后的粉煤灰疏水性良好,以涂覆法制备的疏水薄膜性能最优,接触角达到130°。
The main solid waste fly ash discharged by thermal power plant was used as a raw material in this paper,and coupling agent of organic titanate 105 was used to chemical coating of fly ash through a dry method to bringing fly ash hydrophobicity. The hydrophobicity of different dry films forming by three kinds of film processes were studied respectively. The results showed that the hydrophobicity of the modified fly was good,and the hydrophobic film prepared by the coating method had the best performance and the contact angle reached 130 degrees.
The main solid waste fly ash discharged by thermal power plant was used as a raw material in this paper,and coupling agent of organic titanate 105 was used to chemical coating of fly ash through a dry method to bringing fly ash hydrophobicity. The hydrophobicity of different dry films forming by three kinds of film processes were studied respectively. The results showed that the hydrophobicity of the modified fly was good,and the hydrophobic film prepared by the coating method had the best performance and the contact angle reached 130 degrees.
引文
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[2]Helena Raclavská,Agnieszka Corsaro,Silvie HartmannKoval,Dagmar Juchelková.Enrichment and distribution of 24elements within the sub-sieve particle size distribution ranges of fly ash from wastes incinerator plants[J].Journal of Environmental Management,2017,203(Pt 3):1169-1177.
[3]Pauline Norris,Stephanie Hagan,Martin Cohron,et al.Application of fly ash as an adsorbent for Estradiol in animal waste[J].Journal of Environmental Management,2015,161:57-62.
[4]薛嵩.以粉煤灰为原料Fe-MCM-41的制备及对环己烷的催化氧化[J].山东化工,2017,46(23):17-19.
[5]武文芳,黄永鲜,袁露玲,等.粉煤灰基聚合材料制备试验研究[J].山东化工,2018,47(04):9-10.
[6]华建社,杨浩秦,毛婷婷.EC对醇基粉煤灰涂料性能的影响[J].山东化工,2015,44(16):28-30,32.
[7]龙进海,李水娥,李慧赢,等.改性粉煤灰的制备及从烟气中吸收SO2试验研究[J/OL].湿法冶金,2018(03):224-227[2018-05-07].https://doi.org/10.13355/j.cnki.sfyj,2018.03.012.
[8]侯芹芹,张创,赵亚娟,等.粉煤灰综合利用研究进展[J/OL].应用化工:1-6[2018-05-07].https://doi.org/10.16581/j.cnki.issn1671-3206.20180330.016.
[9]王静,王彩丽,王怀法,等.纳米Mg(OH)2包覆粉煤灰空心微珠复合粉体的制备及表征[J].中国粉体技术,2018,24(02):7-10,59.
[10]章基凯.精细化学品系列丛书:有机硅材料[M].北京:中国物资出版社,1999.
[11]王继虎,徐善中,唐志君,等.粉煤灰/硅橡胶复合材料的性能研究[J].高分子通报,2013(03):78-82.
[12]张先亮,唐红定,廖俊.硅烷偶联剂:原理、合成与应用[M].北京:化学工业出版社,2012.(下转第15页)
[13]朱晓敏,章基凯编著.有机硅材料基础[M].北京:化学工业出版社,2013:169-180.
[14]邢净,李金洪,张凯.粉煤灰用于制备莫来石-Si C材料的实验研究[J].中国非金属矿工业导刊,2007,59(1):43-45.
[15]刘彤.改性粉煤灰填充聚乙烯的研究[J].贵州工业大学学报(自然科学版),2008,37(02):37-40.
[16]李晓湘,李国斌,刘小春.改性粉煤灰补强橡胶的研究[J].煤炭加工与综合利用,1998(2):51-53.
[17]万祥龙,张海军,叶漫,李岩,等.粉煤灰改性及其疏水薄膜研究[J].化工新型材料,2013,4(11):171-173.