Multifaceted Roles of Additives in Regulating Crystal Growth: A Case of Acephate

IF 3.8 3区 工程技术 Q2 ENGINEERING, CHEMICAL
Mingzhe Tan, Xin Huang, Lek Wantha, Xue Bai, Ting Wang, Na Wang, Chuang Xie, Zhao Wang, Hongxun Hao
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引用次数: 0

Abstract

Regulating crystal growth to obtain crystals with different sizes is of great importance for both natural and industrial processes. In this study, the complex influence of additives on crystal growth was systematically investigated using acephate as a model compound. The kinetics of crystal growth in the presence of various small molecule additives, including cetyltrimethylammonium bromide (CTAB), acetamide, thioacetamide, and benzoic acid, were analyzed. The effects of these additives on solubility, morphology, polymorphism, and crystal growth were examined. Additives can significantly affect the growth rate, acting as both accelerants and inhibitors. CTAB and benzoic acid had the ability to inhibit it; thioacetamide had the ability to promote it, while acetamide had no effect. Moreover, molecular simulations were adopted to propose mechanisms for the different regulating effects of the different additives. Also, the mechanism of growth regulation was proposed based on simulations and experiments. Additives affected crystal growth by impacting many kinds of interactions in the solution body and crystal surfaces.

Abstract Image

添加剂在调节晶体生长中的多方面作用:以乙酰甲胺磷为例
调节晶体生长以获得不同尺寸的晶体对于自然和工业过程都是非常重要的。本研究以乙酰甲胺磷为模型化合物,系统研究了添加剂对晶体生长的复杂影响。研究了十六烷基三甲基溴化铵(CTAB)、乙酰胺、硫代乙酰胺和苯甲酸等小分子添加剂对晶体生长的影响。考察了这些添加剂对其溶解度、形貌、多态性和晶体生长的影响。添加剂可以作为促进剂和抑制剂显著影响生长速度。CTAB和苯甲酸对其有抑制作用;硫乙酰胺有促进作用,而乙酰胺没有作用。此外,采用分子模拟的方法对不同添加剂的调节作用机理进行了探讨。并在模拟和实验的基础上提出了其生长调控机制。添加剂通过影响溶液体和晶体表面的多种相互作用来影响晶体生长。
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来源期刊
Industrial & Engineering Chemistry Research
Industrial & Engineering Chemistry Research 工程技术-工程:化工
CiteScore
7.40
自引率
7.10%
发文量
1467
审稿时长
2.8 months
期刊介绍: ndustrial & Engineering Chemistry, with variations in title and format, has been published since 1909 by the American Chemical Society. Industrial & Engineering Chemistry Research is a weekly publication that reports industrial and academic research in the broad fields of applied chemistry and chemical engineering with special focus on fundamentals, processes, and products.
文献相关原料
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产品信息
希恩思
Benzoic acid
索莱宝
CTAB
索莱宝
CTAB
麦克林
Thioacetamide
麦克林
Thioacetamide (TAA)
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