Nano-SiO_2 was prepared by situ surface-modification. Nylon 66/nano-SiO_2 composites with different content of nano-SiO_2 were prepared with melt blending method and their mechanical properties were investigated.
The reacting mechanism of slag lixiviated and ammonium ferric alum separated out from the lixivium of slag is analyzed. And the mechanism of NaH_2PO_4 and Fe(OH)_3 surface modifying effect on the morphology of α-Fe_2O_3 is analyzed
The optimal synthesis conditions of DDP-18 are obtained by orthogonal experiments. Using C18 and P2S5 as material, the solid powder of DDP-18 surface modifying agent can be synthesized when initial temperature is 90 ℃, reaction temperature is 120 ℃, the actual dose of P2S5 is more 10% than its theoretical dose and reaction time is 6 h, whose purity is close to 80%.
Using pyridine dialkyldithiophasphate(PyDDP) as the surface modifying reagent, nano-molybdenum disulfide (MoS2) particles are synthesized with sodium molybdenum acid, sodium sulfide, sulfuric acid and hydroxylamine as raw materials.
Inverse gas chromatography (IGC) was used to investigate the surface free energy of CaCO3 after surface modification and to optimize the monolayer content of coupling agents.
These experiments show that surface functionalization of polyethylene films by blending SMA and then surface grafting of PEG is feasible, which suggest an effective and simple route for PE surface modification via blending and grafting.
The results show that the ILSS increases effectively and the effects on interfacial characterizations are distinguished from each other in accordance with the CF surface modified with different SSO coatings owing to the various structures.
Specific calculations were performed for two systems: (1) the wetting film of decane on aluminum surface and (2) the wetting film of decane on aluminum surface modified by pentanol.
Sorbents based on hollow microspheres of entrained ash, with the surface modified by various chemical compounds (ferrocyanides, phosphates, oxides, etc.), were synthesized.
Based on the surface-modification principle, a new efficient catalyst for the synthesis of methylaniline was developed, which made possible the selective formation of N-methylaniline (up to 99%) in >amp;gt;97% yield with high productivity.
A two-stage process has been developed to generate the silica-based macromonomer through surface-modification of silica with polymerizable vinyl groups.
In this surface-modification study, carbodiimidazole (CDI) was used to activate the carboxylic groups (-COOH) on the hydrogel surface in anhydrous dimethylsulfoxide (DMSO) before addition of the PEGylated proteins/peptide.
The etching mechanism proposed comprises the primary interaction of the laser radiation with the liquid, a surface-modification phase, and the etching of the modified fused-silica surface.
The Ti substrate surface modifying conditions are devised, involving the surface roughening, annealing, and etching, which effectively improve the diamond electrode properties.
Results with new surfaces for CPB designed to capitalize on superior protein adsorption properties, such as surface modifying additive (SMA) and poly (2-methoxyethylacrylate) (PMEA), will also be described.
Altering implant materials with surface modifying endgroups (SMEs) may enhance their biocompatibility by reducing bacterial and inflammatory cell adhesion.
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surface modification
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