Formation of lactose-mannitol molecular alloys by solid state vitrification

被引：37

作者：

Willart, JF ^{[1
]}

Descamps, N ^{[1
]}

Caron, V ^{[1
]}

Capet, F ^{[1
]}

Danède, F ^{[1
]}

Descamps, M ^{[1
]}

机构：

[1] Univ Lille 1, UMR CNRS 8024, ERT 1018, Lab Dynam & Struct Mat Mol, F-59655 Villeneuve Dascq, France

来源：

SOLID STATE COMMUNICATIONS | 2006年 / 138卷 / 04期

关键词：

disordered solids; glasses; machining; milling; thermal properties of amorphous solids and glasses;

D O I：

10.1016/j.ssc.2006.02.034

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

In this paper, we report the possibility to form glassy molecular alloys (alpha-lactose)(1-x)(mannitol)(x) for x < 0.5 by co-milling two crystalline powders of pure alpha-lactose and pure mannitol beta. The results have been established by differential scanning calorimetry and by powder X-ray diffraction. The concentration dependence of the glass transition temperature is found to obey the Gordon Taylor rule expected for regular solutions. It is also shown that the milling of pure mannitol beta (x = 1) leads to a polymorphic transformation towards the metastable form a of mannitol. (c) 2006 Elsevier Ltd. All rights reserved.

引用

页码：194 / 199

页数：6

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