Direct in situ measurement of polymorphic transition temperatures in thermo-mechanochemical reactions

26 June 2023, Version 1
This content is a preprint and has not undergone peer review at the time of posting.

Abstract

For the first time, we directly measured the onset and completion temperatures of polymorphic transitions in thermo-mechanochemical reactions by simultaneous in situ synchrotron powder X-ray diffraction and temperature monitoring. We determined the thermo-mechanochemical polymorphic transition temperature in 1-adamantyl-1-diamantyl ether to be 31 °C lower than the transition temperature determined by DSC.

Keywords

thermo-mechanochemistry
ball milling
polymorphism
diamondoids
in situ synchrotron powder X-ray diffraction
in situ temperature monitoring

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