B29B2009/163

Method for manufacturing material in the form of granules that can be used as road binder or sealing binder and device for manufacturing same

A method for manufacturing a material in divided form solid at ambient temperature and usable as a road binder or as a sealing binder, such as a road bitumen, a pitch, a stock solution for a bitumen/polymer composition, a clear binder, the method including the implementation of a device intended for granulation having at least two coaxial drums and a horizontal running belt: a fixed inner drum having an orifice and rotating outer drum with orifices, the method including: (i) heating a first composition to a temperature at which it is fluid, (ii) introducing the first composition in the fluid state into the inner drum of the granulation device, (iii) distributing the first composition outwards in drops through the orifices in the rotating outer drum, (iv) depositing the drops on the running belt, and (v) optionally, coating the drops with the second composition. A device for manufacturing these materials.

FRIABLE BALES

A process to make a friable bale, and a friable bale formed from the same, wherein the friable bale is formed from a composition comprising coated polymer particles, which comprise polymer particles formed from a polymer composition comprising an olefin-based polymer, and a coating formed from a coating composition comprising an aqueous metal acid dispersion, and an aqueous polysiloxane emulsion, and wherein the friable bale has a compression force ≤1.00 MPa.

CONVERTING NON-BIODEGRADABLE POLYMERIC GRANULES AND COMPONENTS TO BIODEGRADABLE BY SURFACE COATING
20220161458 · 2022-05-26 ·

The present invention describes a process to convert non-biodegradable polymeric raw materials or pellets/granules into biodegradable raw materials/pellets/granules by applying enzyme-based coating, in water or suitable solvent or combination thereof, on their surfaces, before construction of the components from them.

Pellet Containing Additives

The present disclosure provides a pellet. In an embodiment, the pellet includes a body having a first end and an opposing second end. The body is composed of a polymeric material. The body has a length, a diameter (body diameter) and a channel. The channel has a diameter (channel diameter), the channel extends through the body from the first end to the second end. An additive in is the channel.

Sealing element
11320082 · 2022-05-03 · ·

A sealing element (10) for use in a fluid-carrying pipeline (16) comprising a substantially central core (14) surrounded by a coating (12). The outer coating (12) is adapted to perform a partial extrusion through an opening (15) in a pipeline wall (16) to seal the opening (15). The density of the sealing element (10) is substantially the same as the density of the fluid (11) in the pipeline (16). The coating (12) comprises a two-part epoxy putty, and the core (14) is formed from a deformable material. A method of making the sealing element is also disclosed.

Blended fiber mat formation for structural applications

A process and system are provided for introducing a blend of chopped and dispersed fibers on an automated production line amenable for inclusion in molding compositions as a blended fiber mat for structural applications. The blend of fibers are simultaneously supplied to an automated cutting machine illustratively including a rotary blade chopper disposed above a vortex supporting chamber. The blend of chopped fibers and binder form a chopped mat. The chopped mat has a veil mat placed on either side, and is consolidated with the veil mat using heated rollers maintained at the softening temperature of thermoplastic binder, with consolidated mats being amenable to being stored in rolls or as flat sheets. A charge pattern is made using the consolidated mat, and the charge pattern can be compression molded in a mold maintained at a temperature lower than the melting point of the thermoplastic fibers.

Treated plastic granules

Preparing hybrid-treated plastic particles from waste plastic includes combining waste plastic particles with bio-oil to yield a mixture, irradiating the mixture with microwave radiation to yield oil-treated plastic particles, and contacting the oil-treated plastic particles with carbon-containing nanoparticles to yield hybrid-treated plastic particles. The hybrid-treated plastic particles have a bio-oil modified surface and a coating comprising carbon-containing nanoparticles on the bio-oil modified surface of the plastic particle. In some examples, a diameter of the plastic particle is in a range between 250 m and 750 m, and a thickness of the coating is in a range of 1 nm to 20 nm. A modified binder includes an asphalt binder or a concrete binder and a multiplicity of the treated plastic particles. The modified binder typically includes 5 wt % to 25 wt % of the hybrid-treated plastic particles.

High friction surface treatment method and system thereof

A method for applying a high friction surface roadway treatment and composition used therein is disclosed. The method comprises the steps of: providing a binder composition, comprising: 10-99.9 wt. % of a resin; 0.1-70 wt. % of an elastomer; heating the binder composition to a sufficient temperature to obtain a molten binder composition; applying a layer of the molten binder composition; and applying a layer comprising aggregate having a nominal maximum size of at least 1 mm, and an embedment depth of at least 30% in the molten binder composition layer. The resin is selected from hydrocarbon resins, alkyd resins, rosin resins, rosin esters, and combinations thereof.

Production of a thermoplastic injection-molding-material granulate and of an injection-molded component, and a granulate grain

A system for production of a thermoplastic injection molding material granulate has at least one production unit for the production of a fiber reinforced plastic granulate from a thermoplastic granulate and natural fibers. to the system has at least one heat-treatment unit for the treatment of the fiber-reinforced plastic granulate providing heat such that an outer layer of each heated granulate grain of the fiber-reinforced plastic granulate is at least partially converted to a liquid physical state. The system has at least one applicator unit for applying a chemical foaming agent powder to at least some portions of each heated granulate grain, where the heat treatment unit is equipped to carry out the heat treatment such that a temperature of the molten outer layer of the respective granulate grain is below a reaction temperature of the foaming agent.

COATED OLEFIN-BASED POLYMERS WITH REDUCED BLOCKING

A process to form coated polymer particles comprising polymer particles formed from a polymer composition comprising an olefin-based polymer, and a coating formed from a coating composition comprising an aqueous metal acid dispersion and an aqueous polysiloxane emulsion, said process comprising the following: mixing together the aqueous metal acid dispersion and the aqueous polysiloxane emulsion to form a dispersion/emulsion mixture; applying the dispersion/emulsion mixture to a portion of the surfaces of the polymer particles to form wet-coated polymer particles; drying the wet-coated polymer particles to form the coated polymer particles. The aqueous metal acid dispersion and the aqueous polysiloxane emulsion may also be applied, individually, in separate steps.