Patent classifications
C04B2103/0025
Construction materials, compositions and methods of making same
A composition comprising at least one binder coated with at least one metallate additive according to formula 1: (RO).sub.m-M-(O.sub.a˜X.sub.b˜R′.sub.c˜Y.sub.d).sub.n (formula 1), wherein M is one of titanium and zirconium. The composition is particularly useful in producing treated binders and construction materials, wherein the resulting treated binders and construction materials have advantageous properties, such as increased strength. Also disclosed are methods of preparing the inventive composition, treated binders and construction materials.
PHOTOLUMINESCENT CEMENTITIOUS COMPOSITIONS BASED ON HYDRAULIC BINDERS PARTICULARLY SUITABLE FOR USE IN SAFETY SIGNS
The present invention relates to a photoluminescent cementitious composition suitable for use in safety signs in accordance with DIN 67510-1 standard, characterized by including a hydraulic binder, an aggregate and/or a filler and at least a photoluminescent pigment selected from strontium aluminates or silicates doped with rare earths selected from europium and dysprosium. The invention also relates to the use of a photoluminescent pigment in the manufacturing of concrete articles with aesthetic quality given by persistent photoluminescent properties.
Fluorescence imparting coloring solution for dental ceramics
The invention relates to a solution for coloring and imparting fluorescence to a zirconia dental article, the solution comprising: •a solvent, •a coloring agent comprising ions selected from Tb, Er, Pr, Mn and combinations thereof, •a fluorescing agent comprising ions of Bi, the solution not comprising Fe ions in an amount above about 0.05 wt.-% with respect to the weight of the whole solution.
Fluorescence imparting coloring solution for dental ceramics
The invention relates to a solution for coloring and imparting fluorescence to a zirconia dental article, the solution comprising: •a solvent, •a coloring agent comprising ions selected from Tb, Er, Pr, Mn and combinations thereof, •a fluorescing agent comprising ions of Bi, the solution not comprising Fe ions in an amount above about 0.05 wt.-% with respect to the weight of the whole solution.
IMPROVEMENT OF THE MECHANICAL PROPERTIES OF WATERPROOFED GYPSUM BOARDS WITH POLYDIMETHYLSILOXANES
A waterproofed gypsum board and associated method are provided, featuring the use of a mixture of magnesium oxide and a gypsum crystal modifier for improving the resistance to sagging of the waterproofed gypsum board, in particular, in moist and warm climatic conditions.
IMPROVEMENT OF THE MECHANICAL PROPERTIES OF WATERPROOFED GYPSUM BOARDS WITH POLYDIMETHYLSILOXANES
A waterproofed gypsum board and associated method are provided, featuring the use of a mixture of magnesium oxide and a gypsum crystal modifier for improving the resistance to sagging of the waterproofed gypsum board, in particular, in moist and warm climatic conditions.
COLLECTION APPARATUS FOR COLLECTING PARTICULATE MATTER GENERATED IN BRAKE SYSTEM OF TRANSPORT FACILITY
The present invention relates to a collection apparatus for collecting particulate matter generated due to friction between a rotor and a brake pad in a brake system of a transport facility, the collection apparatus including a first collector configured to surround a portion of an outer side surface of the rotor, an upper collector configured to surround a portion of an outer peripheral surface of the rotor, and a second collector configured to surround a portion of an inner side surface of the rotor, wherein the first collector and the second collector are made of porous ceramic foam. According to the present invention, particulate matter generated due to friction between a rotor and a brake pad in a brake system of a transport facility can be efficiently collected, and by reducing the amount of particulate matter generated when braking a transport facility, air pollution can be prevented.
Contrast enhancement agents for subterranean treatment fluids
Systems and methods for detecting or monitoring treatment fluids in subterranean formations are provided. In certain embodiments, the methods comprise: providing an enhanced treatment fluid that comprises at least a base fluid and one or more contrast enhancement agents selected from the group consisting of: a magnetic material; a dispersive material; and any combination thereof, wherein the enhanced cementing fluid comprises one or more micro-electro-mechanical system (MEMS) sensors; and introducing the enhanced treatment fluid into at least a portion of a well bore penetrating a portion of a subterranean formation.
Contrast enhancement agents for subterranean treatment fluids
Systems and methods for detecting or monitoring treatment fluids in subterranean formations are provided. In certain embodiments, the methods comprise: providing an enhanced treatment fluid that comprises at least a base fluid and one or more contrast enhancement agents selected from the group consisting of: a magnetic material; a dispersive material; and any combination thereof, wherein the enhanced cementing fluid comprises one or more micro-electro-mechanical system (MEMS) sensors; and introducing the enhanced treatment fluid into at least a portion of a well bore penetrating a portion of a subterranean formation.
PASTE COMPRISING AMORPHOUS CALCIUM CARBONATE AND DRY 3D MODELS PREPARED THEREFROM
The present invention relates to a paste comprising amorphous calcium carbonate (ACC) doped with divalent alkaline-earth metal ions, e.g., magnesium ions, or transition metal ions: a dry three-dimensional model made of such a paste, e.g., by 3D-printing process such as robocasting 3D-printing process; and a process for the preparation of said paste.