Cellulose nanocrystals as sustainable additives in water-based cutting fluids

Recent Advances in Agriculture, Mechanical Engineering and Waste Policy. Proceedings of Scientific Conference

“…Pri meraní hustoty sme zaznamenali lineárne klesajúci priebeh a pri dynamickej viskozite exponenciálne klesajúci priebeh s rastúcou teplotou. Podobné typy závislostí aplikovali vo svojich výskumoch aj iní autori (Kotia et al, 2019;Hashim et al, 2022;Sah et al, 2021;Liu et al, 2022) Technology, vol. 17, pp.…”

Performance of new synthesized emulsifiers in ecofriendly metal cutting fluid formulations

“…Due to their greater environmental friendliness, renewable nature, lack of toxicity, and ease of biodegradation, vegetable oils are typically preferred to petroleum-based oils 12 , 13 . A new generation of cutting fluids with high machining performance and favorable environmental compatibility may also be developed with the use of vegetable oils and nontoxic additives 14 – 16 .…”

Chemical Modifications on Cellulose Nanocrystals for Composites: Surface Chemistry to Tailored Compatibility and Mechanical Enhancement

“…The reactions with CNCs were performed via thiol-containing castor oil or using diisocyanate as a linker. , However, both strategies required the linking species to achieve subsequent grafting of castor oil chains, which may induce the relatively low grafting contents. In our previous work, the castor oil was grafted onto the CNC surface by classical Knoevenagel condensation, but considering that opening the loop would cause damage to the CNC crystal structure, a new strategy was developed to attach castor oil to CNC surface. In this work, we designed the chemical grafting castor oil molecules on the surface of CNCs, selecting low, moderate, and high grafting contents via control of reaction conditions, as enhancing fillers in the castor oil-based polyurethane (PU) composites.…”