A core-shell copolymer, a method of making the same, and a thermoplastic resin including the same are disclosed herein. In some embodiments, a core-shell copolymer including a core and a shell surrounding the core, wherein the core includes a first alkyl(meth)acrylate monomer-derived repeating unit having 1 to 8 carbon atoms and a terminal-modified polydimethylsiloxane crosslinking agent-derived crosslinking part wherein the terminal-modified polydimethylsiloxane crosslinking agent includes a second alkyl(meth)acrylate monomer-derived modified part at both terminals of the polydimethylsiloxane.

A method for preparing a cathode active material precursor for a secondary battery, including: moving a co-precipitation filtrate generated after a co-precipitation reaction to a co-precipitation filtrate storage tank; removing a metal hydroxide by passing the co-precipitation filtrate through a filter; reacting the co-precipitation filtrate from which the metal hydroxide is removed with sulfuric acid or nitric acid to produce an ammonium sulfate or an ammonium nitrate while removing ammonia from the co-precipitation filtrate from which the metal hydroxide is removed; cooling and crystallizing the co-precipitation filtrate from which the metal hydroxide and ammonia are removed to precipitate a sodium sulfate; filtering the precipitated sodium sulfate to separate the precipitated sodium sulfate from the co-precipitation filtrate from which the metal hydroxide and ammonia are removed; drying the sodium sulfate separated from the co-precipitation filtrate and moving the co-precipitation filtrate separated from the sodium sulfate to a circulation concentration tank; and heating the co-precipitation filtrate stored in the circulation concentration tank to a predetermined temperature for recycling and performing N.sub.2 purging or bubbling, is provided.

Embodiments of a system and method are disclosed for obtaining high-energy fuels. In some embodiments, the system and method produces one or more fused cyclic compounds that can include one or more bridging points. The fused cyclic compounds are suitable for use as a high-energy fuels, and may be derived from biomass.

The present invention relates to a process for the continuous preparation of a polyolefin from one or more α-olefin monomers in a reactor system, the process for the continuous preparation of polyolefin comprising the steps of: feeding a polymerization catalyst to a fluidized bed through an inlet for a polymerization catalyst; feeding the one or more monomers to the reactor, polymerizing the one or more monomers in the fluidized bed to prepare the polyolefin; withdrawing polyolefin formed from the reactor through an outlet for polyolefin; withdrawing fluids from the reactor through an outlet for fluids and transporting the fluids through first connection means, an heat exchanger to cool the fluids to produce a cooled recycle stream, and through second connection means back into the reactor via an inlet for the recycle stream; wherein a thermal run away reducing agent (TRRA) is added to the reactor in a discontinuous way.

The present disclosure provides a device for continuously preparing 2,6-dihydroxybenzaldehyde and use thereof. The device includes a first continuous reaction unit for hydroxy protection reaction, a second continuous reaction unit for lithiation and hydroformylation, and a third continuous reaction unit for deprotection reaction that are connected in series. The third continuous reaction unit includes: a first columnar continuous reactor, connected to the second continuous reaction unit and used for deprotection of the lithiated hydroformylated product while performing liquid separation to obtain an organic phase containing 2,6-dihydroxybenzaldehyde and an aqueous phase. When the device is applied in the preparation of 2,6-dihydroxybenzaldehyde, reaction time is shortened and the intermediate purification treatment is no longer required. Therefore, compared with batch process, the present disclosure can greatly save equipment cost and post-processing cost, and greatly improve the production efficiency, more beneficial to the industrial scale-up production of 2,6-dihydroxybenzaldehyde.

This disclosure relates generally relates to methods and systems useful for continuous synthesis of materials in super-critical carbon dioxide (sCO.sub.2). More particularly, this disclosure relates to methods and systems useful for continuous synthesis of coordination polymers, such as metal-organic frameworks (MOFs) and/or covalent organic frameworks (COFs), in sCO.sub.2.

A method of generating a hydrogen or hydrocarbon fuel from a feedstock via a centrifuge reactor that includes introducing a flow of feedstock to a centrifuge reactor with a centrifuge assembly having a reaction chamber and configured to rotate about a central rotational axis X, rotating the centrifuge assembly about the central rotational axis X at a tip speed of 100 m/s to 1000 m/s to generate an acceleration gradient from the central rotational axis X and from the first reaction chamber end to the second reaction chamber end; and generating reaction conditions in the reaction chamber, including pressure of 5 MPa to 500 MPa and temperature within a range of 200° C. to 1000° C., the reaction conditions and acceleration gradient causing a separation of products from a reaction of the feedstock within the reaction chamber.

A process for a continuous production of a boronic acid derivative and an apparatus of performing the process are disclosed.

The present invention relates to a process for preparing zeolite crystals having a multimodal particle size distribution, and the sizes of which are between 0.02 μm and 20 μm, said process comprising feeding at least two reactors each with a synthesis gel capable of forming zeolite crystals, carrying out a crystallization reaction, in parallel, in each of the at least two reactors, and mixing the reaction media of the at least two reactors, after the start of at least one of the crystallization reactions.

The present invention relates to a process for the continuous preparation of a polyolefin from one or more α-olefin monomers in a reactor system, the process for the continuous preparation of polyolefin comprising the steps of: feeding a polymerization catalyst to a fluidized bed through an inlet for a polymerization catalyst; feeding the one or more monomers to the reactor, polymerizing the one or more monomers in the fluidized bed to prepare the polyolefin; withdrawing polyolefin formed from the reactor through an outlet for polyolefin; withdrawing fluids from the reactor through an outlet for fluids and transporting the fluids through first connection means, an heat exchanger to cool the fluids to produce a cooled recycle stream, and through second connection means back into the reactor via an inlet for the recycle stream; wherein a thermal run away reducing agent (TRRA) is added to the reactor in a discontinuous way.