Hydrophobization of cellulosic materials and particularly paper products is a commonly used procedure to render papers more resistant water moisture. Here, we explore the hydrophobization unsized sheets via gas phase. We employed three different compounds, namely palmitoyl chloride (PCl), trifluoroacetic anhydride/acetic anhydride (TFAA/Ac2O)) hexamethyldisilazane (HMDS) which were vaporized al...

In this paper, an ultra-scratch-resistant, hydrophobic and transparent coating was fabricated by the sol–gel method using (3-Glycidyloxypropyl) triethoxysilane (GPTES) curing agents. When silanol condensated, ring-opening reaction of epoxy groups also took place, which formed a double-cross-linked network (Si–O–Si R3N). This structure restricted molecule chains from being twisted or dislocated,...

Silica-based sol-gel antireflective (AR) optical coatings are critical components of high peak power laser systems. Water vapor and volatile organic compounds can contaminate these coatings, reducing both their antireflective efficiency and laser-damage resistance. Previous work has shown that alkylation of free hydroxyl groups on the silica sol-gel with organosilicon compounds in solution can ...

Silica and silica-based materials with tunable functionalities are frequently encountered in low-k material applications, porous membranes, microelectonic devices. In the present study, an innovative O2/O3 assisted CVD process for deposition of such films at moderate temperature is presented, based on a dual precursor chemistry from hexamethyldisilazane (HMDS) tetraethyl orthosilicate (TEOS). F...

Introducing various pendant functional groups and building blocks of interest to polypeptides in a highly efficient, controlled manner is crucial to access polypeptide materials with desired structures and functions. In this study, we synthesized γ-(4-vinylbenzyl)-(L)-glutamate N-carboxyanhydride (VB-Glu-NCA), which was readily obtained and purified in large quantity. VB-Glu-NCA monomer was sub...

A surface-acoustic-mode aluminum nitride (AlN) transducer is utilized to determine the type of liquid dropped on the propagation path. It is based on tracking the shrinking droplet radius and observing stagnant liquid molecules during and after the liquid evaporation process. The device configuration is suitable to test small amounts of liquids, in the microliter range. According to both mass l...

Glass coating films have been developed by many researchers in recent years. However, mass commercialization of this technology is still inefficient, and optimal methods are needed to produce affordable products. This paper introduces a film preparation method through, which superimposed on silica glass utilizing geothermal waste, byproduct power plants. Geothermal waste has used as precursor m...

Area-selective atomic layer deposition (AS-ALD) is a coveted method for the fabrication of next-generation nano-electronic devices, as it can complement lithography and improve alignment through scale control. Selective reactions small molecule inhibitors (SMIs) be used to deactivate growth on specific surface areas such enable AS-ALD. To investigate new applications ASD, we need insight into S...

This report discloses a mild and efficient O-acetylation using easily accessible TMSOAc as novel acetyl reagent O-trimethylsilylation HMDS for various alcohols catalyzed by tunable Brønsted acidic ionic liquids (TBAILs). Imidazolium-based TBAILs were prepared two-step atom-economic reaction acidities measured UV-visible spectroscopy. Both protections accomplished at room temperature with good t...