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The reaction of 2,4-dihydroxybenzophenone (DHBP) with N-[4-(chlorocarbonyl)phenyl] maleimide provided a novel monomeric ultraviolet (UV)-absorber in the presence of triethylamine. This reactive maleimide was bound onto the backbone of high density polyethylene (HDPE) by melt-grafting in a mini-mixer. The extent of grafting of the monomeric maleimide was quantified by infrared (IR) spectroscopy. To...
In human-machine collaborative systems, robot joint compliance and human-input dynamics lead to involuntary tool motion into undesired regions. To correct this, a set of methods, called dynamically-defined virtual fixtures, was previously proposed to create a movable virtual fixture that stops the user at a safe distance outside the forbidden region. In this work, a new method, called the force-based...
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