Conversion of Gel-Forming Crystal Needles To Easily Processable More Equant Crystals Using High-Shear Ultralow Attrition Agitation: Accelerated Ostwald Ripening without Crystal Attrition,Crystal Growth & Design

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Conversion of Gel-Forming Crystal Needles To Easily Processable More Equant Crystals Using High-Shear Ultralow Attrition Agitation: Accelerated Ostwald Ripening without Crystal Attrition
Crystal Growth & Design ( IF 3.2 ) Pub Date : 2019-02-01 00:00:00 , DOI: 10.1021/acs.cgd.8b01650
Francesco Civati _{1,

2} , Andrea Erxleben _{1,

2} , Seamus Kellehan ₁ , Patrick McArdle _{1,

2}

Affiliation

We demonstrate the first examples of the transformation of gel-forming crystal needles into easily processable more equant crystals by accelerated Ostwald ripening without detectable crystal attrition. Using high solution shearing to accelerate mass transfer, diflunisal and isonicotinohydrazide gels are transformed into easily filterable crystals. High-shear ultralow attrition agitation conditions are generated by spinning with rapid reversal of the spinning direction every three seconds.

中文翻译：

使用高剪切超低损耗搅动将形成凝胶的晶体针转变为易于加工的更等量的晶体：无晶体损耗的加速奥斯特瓦尔德熟化

我们展示了通过加速Ostwald熟化而没有可检测到的晶体磨损将形成凝胶的晶体针转变为易于加工的更均等晶体的第一个例子。使用高溶液剪切以加速质量转移，将二氟乙醛和异烟酰肼凝胶转变为易于过滤的晶体。高纺丝超低磨损搅动条件是通过每三秒钟快速反转纺丝方向来生成的。

更新日期：2019-02-01

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