نتایج جستجو برای: rheology modifier
تعداد نتایج: 17522 فیلتر نتایج به سال:
Moving from traditional batch production into in-line or continuous coatings requires accurate on-line quality control instruments. The aim of the present work was to investigate principle non-Newtonian capillary rheometry for purposes. In investigation, three series acrylic-based viscoelastic coating samples with different types and concentrations pigments thickening agents were used, rheologi...
Abstract Different additives are added in the drilling mud to increase its efficiency terms of rheology and filtration properties. Recently, application ionic liquids (ILs) has been exploited by various investigators as a additive for improving rheology. The more recent studies have shown that imidazolium-based (the most used class fluids) toxic. Moreover, advancement green chemistry put big qu...
In this paper, micromixing is investigated in two Spinning Disk Reactors for liquids with increased viscosity. Glycerol and CMC were used as viscosity modifiers characterization was performed by means of the Villermaux–Dushman method. For first time, effects increasing pH bulk solution leading to disproportionation reaction iodine are successfully modeled. A kinetic model proposed account prese...
Recently, bitumen pavements have been widely used for road paving. Various scholars modified in paving to improve pavement performance, thus increasing the service life. In this study, Sasobit, XT-W3, and Evotherm were selected as warm-mix various investigations including conventional Brookfield rotational viscosity, dynamic shear rheology, Marshall stability, high-temperature rutting, water lo...
Autogenous shrinkage may be a critical issue concerning the use of limestone-calcined clay-cement (LC3) in high-performance concrete and 3D printable cementitious materials, which have relatively low water to binder (W/B) ratio. Adding an internal curing agent, i.e., superabsorbent polymer (SAP), could viable solution this context. However, employing SAP (without adding additional water) also i...
A renewable source of carbon black is introduced by the processing lignin from agro-forestry residues. Lignin side streams are converted into spherical particles direct aerosolization followed carbonization. The obtained submicron combined with cellulose nanofibers, which act as a binder and rheology modifier, resulting in new type colloidal bioink. bioinks tested handwriting ink writing. After...
The influence of nanocellulose on oil well cement (OWC) properties is not known in detail, despite recent advances in nanocellulose technology and its related composite materials. The effect of cellulose nanofibers (CNFs) on flow, hydration, morphology, and strength of OWC was investigated using a range of spectroscopic methods coupled with rheological modelling and strength analysis. The Vom-B...
Hydrophobically modified ethoxylated urethanes have been synthesized using polyethylene glycol, hexamethylene diisocyanate and cetyl alcohol. These types of thickeners are categorized as nonionic associative thickeners. The HEURs were prepared in two steps. Initially an ethoxylated urethane prepolymer was synthesized through a reaction between a polyethylene glycol (Mn=6000) and hexamethylene d...
In order to study the effect of UV aging on asphalt performance, four-component test, dynamic shear rheology and flexural creep stiffness test were combined with molecular dynamics simulation matrix rubber powder/styrene-butadiene rubber/polymerization. The properties phosphoric acid/epoxy resin modified before after analyzed, mechanism was discussed. Research shows that has better high low tem...
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