TY - JOUR
T1 - Unintended rate enhancement in mechanochemical kinetics by using poly(methyl methacrylate) jars
AU - Linberg, Kevin
AU - Emmerling, Franziska
AU - Michalchuk, Adam A. L.
PY - 2022/11/29
Y1 - 2022/11/29
N2 - Time-resolved in situ (TRIS) X-ray diffraction has changed how mechanochemical transformations are studied but requires the use of X-ray transparent jars often made from poly(methyl methacrylate) (PMMA). However, using PMMA jars can alter the apparent kinetics of mechanochemical polymorphism by an order of magnitude, questioning the interpretability of established TRIS methods. Our results suggest that rate enhancement in PMMA jars may not be dominated by chemical effects of the polymer, but rather a result of different equilibrium temperatures within the jar. These features must be better understood before control over mechanochemical reactions can be achieved.
AB - Time-resolved in situ (TRIS) X-ray diffraction has changed how mechanochemical transformations are studied but requires the use of X-ray transparent jars often made from poly(methyl methacrylate) (PMMA). However, using PMMA jars can alter the apparent kinetics of mechanochemical polymorphism by an order of magnitude, questioning the interpretability of established TRIS methods. Our results suggest that rate enhancement in PMMA jars may not be dominated by chemical effects of the polymer, but rather a result of different equilibrium temperatures within the jar. These features must be better understood before control over mechanochemical reactions can be achieved.
UR - https://www.scopus.com/pages/publications/85143380960
U2 - 10.1021/acs.cgd.2c01227
DO - 10.1021/acs.cgd.2c01227
M3 - Article
SN - 1528-7483
VL - 2022
JO - Crystal Growth and Design
JF - Crystal Growth and Design
ER -