Patent classifications
B01J27/135
SYNTHESIS OF CYANURATE AND MULTIFUNCTIONAL ALCOHOL-BASED POLYETHER ACRYLATE FOR UV CURABLE MATERIALS
Polyether (meth)acrylates based on cyanuric acid or substituted cyanuric acid and multifunctional alcohol, which optionally include triethanolamine units, have wide applications in UV curable adhesives, coatings, inks, sealants, paints or 3D printing. These polyether acrylates have rigid cyanurate structure endowing the material with extra strength and thermal stability. Furthermore, triethanolamine unit, when present, endows the material with anti-oxygen inhibition property in UV curing process. These polyether (meth)acrylates have low viscosity and high reactivity towards UV curing. The cured resins have high resilience and strength. The process of making the polyether (meth)acrylates includes the synthesis of trifunctional polyether polyols through controlled polymerization of propylene oxide using multifunctional alcohol (such as glycerol and sucrose), cyanuric acid or substituted cyanuric acid, and optionally triethanolamine, in the presence of a catalyst, followed by the synthesis of polyether (meth)acrylates through transesterification or through direct esterification of the trifunctional polyether polyols.
Highly active, robust and versatile multifunctional, fully non-noble metals based electro-catalyst compositions and methods of making for energy conversion and storage
The invention provides noble metal-free electro-catalyst compositions for use in acidic media, e.g., acidic electrolyte. The noble metal-free electro-catalyst compositions include non-noble metal absent of noble metal. The non-noble metal is non-noble metal oxide, and typically in the form of any configuration of a solid or hollow nano-material, e.g., nano-particles, a nanocrystalline thin film, nanorods, nanoshells, nanoflakes, nanotubes, nanoplates, nanospheres and nanowhiskers or combinations of myriad nanoscale architecture embodiments. Optionally, the noble metal-free electro-catalyst compositions include dopant, such as, but not limited to halogen. Acidic media includes oxygen reduction reaction (ORR) in proton exchange membrane (PEM) fuel cells, and direct methanol fuel cells and oxygen evolution reaction (OER) in PEM-based water electrolysis and metal air batteries, and hydrogen generation from solar energy and electricity-driven water splitting.
CATALYST FOR USE IN ESTERIFICATION REACTION AND METHOD FOR CATALYZING ESTERIFICATION REACTION
A catalyst for use in esterification reaction is provided. The catalyst is formed by reacting a mixture including at least one first compound and at least one second compound. The at least one first compound is a metal alkoxide, an inorganic metal salt, a metal carboxylate salt, an inorganic metal compound, or a combination thereof, and each foregoing compound has titanium, aluminum, zirconium, hafnium, zinc, or bismuth. The at least one second compound is an alpha hydroxyl acid, an alkyl ester formed by an alpha hydroxyl acid and an alcohol, an alkyl amide formed by an alpha hydroxyl acid and an amine, an amino acid, an alkyl ester formed by an amino acid and an alcohol, an alkyl amide formed by an amino acid and an amine, or a combination thereof.
MULTI-METALLIC CATALYST DOPED WITH PHOSPHORUS AND YTTERBIUM
The invention relates to a catalyst comprising a support, at least one noble metal M, tin, phosphorus and ytterbium, the content of phosphorus element being greater than or equal to 0.2% by weight and less than 0.4% by weight, and the content of ytterbium being less than or equal to 1% by weight relative to the mass of the catalyst. The invention also relates to the process for preparing the catalyst and to the use thereof in reforming.
MULTIFUNCTIONAL TITANIUM DIOXIDE-POLYMER HYBRID MICROCAPSULES FOR THERMAL REGULATION AND VISIBLE LIGHT PHOTOCATALYSIS
Disclosed herein are phase change materials microencapsulated by a microcapsule having two shells, the first shell (directly encapsulating the phase change material) being an organic polymeric material and the second shell (an outer shell) being made from a doped TiO.sub.2 material. The microcapsules disclosed herein may be particularly useful for improving the energy efficiency of indoor environments, as well as providing compositions that they are applied to (e.g. paints) with self-cleaning properties.
MULTIFUNCTIONAL TITANIUM DIOXIDE-POLYMER HYBRID MICROCAPSULES FOR THERMAL REGULATION AND VISIBLE LIGHT PHOTOCATALYSIS
Disclosed herein are phase change materials microencapsulated by a microcapsule having two shells, the first shell (directly encapsulating the phase change material) being an organic polymeric material and the second shell (an outer shell) being made from a doped TiO.sub.2 material. The microcapsules disclosed herein may be particularly useful for improving the energy efficiency of indoor environments, as well as providing compositions that they are applied to (e.g. paints) with self-cleaning properties.
Systems and Methods for Simultaneous Control of Carbon Dioxide and Nitric Oxide and Generation of Nitrous Oxide
Systems and methods for simultaneous control of carbon dioxide and nitric oxide and generation of nitrous oxide are provided. In particular, the present invention provides systems and methods utilizing a titania-based photocatalyst to simultaneously control carbon dioxide and nitric oxide levels generated by combustion systems. Additionally, photoreduction of nitric oxide provided by the photocatalyst is used to generate nitrous oxide.
Systems and Methods for Simultaneous Control of Carbon Dioxide and Nitric Oxide and Generation of Nitrous Oxide
Systems and methods for simultaneous control of carbon dioxide and nitric oxide and generation of nitrous oxide are provided. In particular, the present invention provides systems and methods utilizing a titania-based photocatalyst to simultaneously control carbon dioxide and nitric oxide levels generated by combustion systems. Additionally, photoreduction of nitric oxide provided by the photocatalyst is used to generate nitrous oxide.
CHIRAL AUXILIARIES AND USES THEREOF
The present invention relates to chiral auxiliaries and the syntheses thereof and uses thereof.
CHIRAL AUXILIARIES AND USES THEREOF
The present invention relates to chiral auxiliaries and the syntheses thereof and uses thereof.