Abstract:
An additive for a bituminous binder respectively a bituminous composite material, able to reduce bituminous binder respectively bituminous composite material viscosity when an alternating magnetic field is applied, in particular for healing pavement cracks and in-depth micro-cracks in asphalt, wherein the additive comprises an amount of magnetic iron oxide particles should be improved, in order to reach bituminous composite material respectively a bituminous binder which can be melted in a faster and simplified way, in particular usable for crack healing of asphalt structures on site. This is reached by forming the additive comprising at least a part of magnetic iron oxide nanoparticles with average sizes between 1 nm and 300 nm coated with a fatty acid.
Abstract:
An artificial stone to be employed in the preparation of concrete as aggregate or as filler to form a base or sub-base on road laying in the form of separate and individual substantially spherical, polyhedral or cylindrical solid units, and mainly composed by waste plastic materials and/or virgin plastic materials, wherein the waste plastic materials are non-recyclable plastic materials selected from multilaminates, aluminized plastic materials, unidentified plastics and mixtures thereof. In another embodiment, said units of the artificial stone can be coated with a layer of fine arids selected from sand, crushed stone, crushed rubble, and mixtures thereof. In still another preferred embodiment of the invention, each of said units of the artificial stone is coated with a layer of cement over the layer of fine arids. A process for manufacturing said artificial stone comprising the steps of: grinding the plastic waste, mixing the properly, extruding the mixture at medium temperature without melting, molding the units of artificial stone by cutting and pressure or by extrusion and cutting at medium temperature, cooling the units obtained, and packing for commercialization.
Abstract:
The invention provides novel railroad ties manufactured from novel composite materials that possess excellent physical and performance characteristics matching or exceeding existing concrete RRTs. The RRTs of the invention can be readily produced from widely available, low cost raw materials by a process suitable for large-scale production with improved energy consumption and more desirable carbon footprint and minimal environmental impact.
Abstract:
An embodiment relates to a redispersible polymer powder (RDP) composition for use in the preparation of dry mortar formulations, especially of cementitious bound tile adhesives (CBTA) and adhesives for external thermal insulation composite systems (ETICS). An embodiment further relates to a dry mortar formulation comprising said RDP composition. Embodiments relate to the composition and manufacture of water-redispersible polymer powders that comprise polyurethane powders, particularly where said polyurethane powders comprise particles of ground polyurethane foam. An embodiment is further directed to a method of improving adhesion of said polyurethane powder particles to mineral components of a dry mortar formulation. Furthermore, an embodiment is directed to a method of improving impact resistance of a cured dry mortar formulation without deteriorating workability of the wet mortar or the adhesion strength of the cured dry mortar formulation.
Abstract:
The present invention relates to a method of manufacturing a fire retardant composite, a composite of a foamed polymer having a coating with fire retardan properties, and also the use of such composites. The method according to the present invention comprises the following steps: i) providing beads of foamed polymer, ii) applying a coating on the beads of step i) and iii) shaping the thus coated beads into said composite, wherein the beads coated according to step ii) are transferred to a container for a pressure treatment with C02.
Abstract:
The invention provides a method made of steps of providing a composition comprising a first chemical component and a degradable protective layer, wherein the degradable protective layer is at least partially degradable when subject to temperature, pH or time; and introducing into a wellbore the composition and allowing the degradable protective layer to degrade and release the first chemical component.
Abstract:
Die Erfindung betrifft ein Verfahren zur Herstellung von Schaumstoffformkörpern aus vorgeschäumten Schaumstoffpartikeln, welche eine Polymerbeschichtung aufweisen, in einer Form unter Druck, wobei die Polymerbeschichtung eine athermane Verbindung enthält, sowie daraus hergestellte Schaumstoffformköper und deren Verwendung.
Abstract:
Ein Verfahren zur Herstellung von Schaumstoffformkörpern aus vorgeschäumten Schaumstoffpartikeln, welche eine Polymerbeschichtung aufweisen, in einer Form un ter Druck, wobei die vorgeschäumten Schaumstoffpartikel 10 bis 70 Gew.-%, bezogen auf die Schaumstoffpartikel, eines Füllstoffes enthalten, sowie daraus hergestellte Schaumstoffformköper und deren Verwendung.
Abstract:
Thermal insulation products are provided which comprise air-laid MMVF material having graphite substantially homogeneously distributed throughout. The product may be a granulated MMVF product but is preferably a product comprising a layer which is an air-laid MMVF batt or batt stratum having graphite distributed substantially homogeneously throughout. The inclusion of this graphite provides improvements in insulation properties ( lambda value).
Abstract:
Methods to prepare a well cementing slurry include coating particles comprising an expanding agent with a component selected from the group consisting of a phenolic resin, a silica, a calcination product of a polysiloxane oil, and a combination thereof; and combining the coated particles with mix water and hydraulic cement to form a cement slurry for cementing a well.