Mechanochemical Reactions of Bis(9-methylphenyl-9-fluorenyl) Peroxides and Their Applications in Cross-Linked Polymers

2021 ◽  
Author(s):  
Yi Lu ◽  
Hajime Sugita ◽  
Koichiro Mikami ◽  
Daisuke Aoki ◽  
Hideyuki Otsuka
Keyword(s):  
Mechanochemical Reactions

scholarly journals Mechanochemistry of fluoride solids: from mechanical activation to mechanically stimulated synthesis

ChemTexts ◽  
2021 ◽  
Vol 7 (2) ◽  
Author(s):  
Gudrun Scholz
Keyword(s):  
Mechanical Activation ◽  
Mechanochemical Synthesis ◽  
Alkaline Earth ◽  
Earth Metal ◽  
Alkaline Earth Metal ◽  
Technical Equipment ◽  
Metal Compounds ◽  
Potential Applications ◽  
The Given ◽  
Mechanochemical Reactions

Abstract This lecture text is focused on the comparatively young field of mechanochemistry of fluoride solids, considering both their mechanical activation and their mechanochemical synthesis. Beside a literature survey, the mechanochemical synthesis of binary fluorides MF2, MF3, of complex fluorides MMgF4, of solid solutions MaxMb1−xF2 or M1−xLnxF2+x (Ln: Y, Eu) and of fluorine-containing coordination polymers is presented. Owing to their interesting potential applications in the field of fluoride ion conductivity or luminescence properties when doped, most of the given examples are alkaline earth metal compounds. A short historical survey, remarks on peculiarities and consequences of mechanical activation as well as the necessary technical equipment for mechanochemical reactions precede the section. Graphic abstract

Mechanochemical reactions of coordination polymers by grinding with KBr

2012 ◽  
Vol 48 (20) ◽  
pp. 2585 ◽  
Author(s):  
Mangayarkarasi Nagarathinam ◽  
Anjana Chanthapally ◽  
Saul H. Lapidus ◽  
Peter W. Stephens ◽  
Jagadese J. Vittal
Keyword(s):  
Coordination Polymers ◽  
Mechanochemical Reactions

Mechanochemical Effects in Fatigue of Rubber

1965 ◽  
Vol 38 (3) ◽  
pp. 657-660 ◽  
Author(s):  
E. V. Reztsova ◽  
G. V. Chubarova ◽  
G. L. Slonimskii
Keyword(s):  
Fatigue Life ◽  
Milling Process ◽  
Mechanochemical Reactions

Abstract 1. It has been shown that the effectiveness of the action of antifatigue agents changes depending on the method of addition to the rubber. 2. The change in effectiveness of such agents points to the fact that there is significant connection between mechanochemical phenomena occurring during milling and fatigue of the polymer, which must be taken into account in manufacturing practice. 3. The effect of preliminary milling of the rubber with antifatigue agents on fatigue life of the compound apparently can be explained as resulting from consumption of antifatigue agents in the milling process, owing to mechanochemical reactions.

The mechanochemical reactions between CsF and kaolinite

1998 ◽  
Vol 276 (7) ◽  
pp. 601-609
Author(s):  
I. Lapides ◽  
S. Yariv ◽  
N. Lahav ◽  
I. Brodsky
Keyword(s):  
Mechanochemical Reactions

scholarly journals Effect of ball collision direction on a wet mechanochemical reaction

2021 ◽  
Vol 11 (1) ◽  
Author(s):  
Takahiro Kozawa ◽  
Kayo Fukuyama ◽  
Kizuku Kushimoto ◽  
Shingo Ishihara ◽  
Junya Kano ◽  
...  
Keyword(s):  
High Pressure ◽  
High Temperature ◽  
Reaction Rates ◽  
Tangential Component ◽  
Normal Direction ◽  
Mechanochemical Reaction ◽  
Precipitation Mechanism ◽  
The Impact ◽  
Mechanochemical Reactions ◽  
Ball Motion

AbstractMechanochemical reactions can be induced in a solution by the collision of balls to produce high-temperature and high-pressure zones, with the reactions occurring through a dissolution–precipitation mechanism due to a change in solubility. However, only a fraction of the impact energy contributes to the mechanochemical reactions, while the rest is mainly consumed by the wear of balls and the heat generation. To clarify whether the normal or tangential component of collisions makes a larger contribution on the reaction, herein we studied the effect of collision direction on a wet mechanochemical reaction through combined analysis of the experimental reaction rates and simulated ball motion. Collisions of balls in the normal direction were found to contribute strongly to the wet mechanochemical reaction. These results could be used to improve the synthesis efficiency, predict the reaction, and lower the wear in the wet mechanochemical reactions.

Mechanochemical reactions of cellulose and styrene

Cellulose ◽  
2015 ◽  
Vol 22 (5) ◽  
pp. 3217-3224 ◽  
Author(s):  
Iina Solala ◽  
Ute Henniges ◽  
Katharina F. Pirker ◽  
Thomas Rosenau ◽  
Antje Potthast ◽  
...  
Keyword(s):  
Mechanochemical Reactions

Mechanochemical Reactions Leading to Reinforcement in Rubbers

1960 ◽  
Vol 33 (4) ◽  
pp. 929-939
Author(s):  
R. J. Ceresa
Keyword(s):  
Free Radicals ◽  
Free Radical ◽  
Covalent Bond ◽  
Vinyl Monomers ◽  
Research Association ◽  
Block Copolymerization ◽  
Wide Range ◽  
Carbon Gel ◽  
Internal Mixer ◽  
Mechanochemical Reactions

Abstract The development of the single rotor internal mixer (at the British Rubber Producers' Research Association) has facilitated the research into mechanochemical reactions of a wide range of high polymers. The term “mechanochemical” has been applied to reactions such as mastication, the mechanism of which involves the primary step of mechanical scission of a polymer chain into polymeric free radicals at a carbon to carbon or other covalent bond. The processes which have been studied previously include the cold mastication of rubberlike polymers, the formation of carbon gel, the interpolymerization of two elastomers during blending, and block copolymerization by the cold mastication of polymers plasticized by vinyl monomers. The evidence for the polymeric free radical nature of these reactions has recently been reviewed.

Mechanochemical Reactions in Cu/ZnO Catalysts Induced by Mechanical Milling

2001 ◽  
Vol 105 (33) ◽  
pp. 7928-7937 ◽  
Author(s):  
Hessel L. Castricum ◽  
Hans Bakker ◽  
Bart van der Linden ◽  
Eduard K. Poels
Keyword(s):  
Mechanical Milling ◽  
Mechanochemical Reactions
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