| 序号 | 专利名 | 申请号 | 申请日 | 公开（公告）号 | 公开（公告）日 | 发明人 |
|---|---|---|---|---|---|---|
| 81 | Dewatering devulcanized rubber | US15205637 | 2016-07-08 | US10087301B2 | 2018-10-02 | Brian Harrison; Hurdon A. Hooper; Matthew Ness |
| A method for the controlled removal of water from devulcanized rubber, comprising steps of contacting the devulcanized rubber with a solvent, dissolving the water out of the devulcanized rubber and into solution without removing other components in the rubber such as polymer, separating the devulcanized rubber from the solvent, and drying the devulcanized rubber. By controlling the amount of water that is in the solvent-solution, and/or the amount of time the devulcanized rubber is in contact with the solvent solution the amount of water that is removed can be controlled. By controlling the amount of water that is removed the rheology/viscosity (e.g. G′ and G″) of the devulcanized rubber can be controlled. | ||||||
| 82 | Recovery of hydrocarbons from a hydrocarbon recycle | US15538501 | 2015-12-22 | US10066030B2 | 2018-09-04 | Mpho Prudence Setlhaku |
| The invention relates to a process for the polymerization of olefins comprising the comprising the steps of a. Polymerizing olefins in a reaction mixture comprising monomers, diluent, processing aids to prepare a product stream comprising polyolefins, monomers and diluent; b. Removing the polyolefins from the product stream to obtain a purge stream; c. Removing gaseous components from the purge stream to obtain a liquid fraction; d. Treating the liquid fraction with at least one ionic liquid to obtain a fraction containing unsaturated hydrocarbons; e. Recycling the fraction containing unsaturated hydrocarbons to the reaction mixture, optionally after purification of said fraction containing unsaturated hydrocarbons. The invention also relates to an olefin polymerization system comprising a polymerization reactor, a purge vessel, a vent gas recovery and an ionic liquid separator for separating liquid alkenes from liquid alkanes, wherein the liquid alkenes which are separated from the alkanes in the ionic liquid separator can be recycled to the polymerization reactor. | ||||||
| 83 | Hydrofluorocarbon recovery method | US15319134 | 2015-06-02 | US09994649B2 | 2018-06-12 | Yumi Zenke; Tadaharu Isaka; Ryouichi Fukagawa; Takeshi Shimono |
| A method for recovering a hydrofluorocarbon, including: producing a wet fluoropolymer by suspension polymerization, solution polymerization, or bulk polymerization in the presence of a hydrofluorocarbon; vaporizing and discharging vaporizable substances including the hydrofluorocarbon by heating the wet fluoropolymer in a container; and transferring the discharged vaporizable substances to a cooling means to cool the substances. | ||||||
| 84 | Liquid-liquid separator interface detection system and polymerization process utilizing the same | US13467845 | 2012-05-09 | US09880131B2 | 2018-01-30 | Curvel Hypolite; Alec Y. Wang |
| A system for detecting an interface between polymer-rich phase and solvent-rich phase comprising a liquid-liquid separator configured to receive a polymer solution as an inlet stream produced in a solvent-based polymerization reactor through an inlet feed, wherein the tank is configured to permit the stream to separate into a polymer rich phase and a solvent rich phase; a first sonic transponder for sending a first sonic signal from either a top or bottom of the liquid-liquid separator and for receiving a first reflected portion of the sonic signal, the reflected portion of the sonic signal created by the passage of the sonic signal through a liquid-liquid interface between the solvent rich phase and the polymer rich phase is provided. | ||||||
| 85 | PROCESS FOR THE SEPARATION OF A STREAM COMPRISING VAPOUR AND SOLIDS IN A SEPARATION VESSEL | US15513605 | 2015-09-22 | US20170335023A1 | 2017-11-23 | Fabrice Betton; Kevin Peter RAMSAY |
| The present invention relates to vapour-solids separations, and in particular provides a process for the separation of a stream comprising vapour and a stream comprising solids from a stream comprising vapour and solids using a separation vessel, said separation vessel having: a. a first inlet for the stream to be separated, b. a liquid outlet, c. a vapour outlet, d. a demister located on the vapour outlet, and e. a second inlet by which liquid can be passed to the demister said process comprising (i) passing the stream comprising vapour and solids through the first inlet and in to the separation vessel, (ii) recovering from the vapour outlet a vapour stream which comprises vapour from the stream comprising vapour and solids and which vapour stream has passed through the demister in the separation vessel, (iii) passing to the separation vessel, via the second inlet, a first liquid stream which contacts the vapour stream in the demister, and (iv) recovering from the liquid outlet a second liquid stream which comprising the solids from the stream comprising vapour and solids, and liquid from the first liquid stream. | ||||||
| 86 | Process for improving the operations of a polymerisation plant | US14428758 | 2013-09-30 | US09790293B2 | 2017-10-17 | Fabrice Betton; Kevin Peter Ramsay |
| Petrochemical complex containing an olefin monomer polymerization plant having at least one polymerization reactor and an optional degassing section. The polymerization reactor contains process hydrocarbons consisting of the monomer, the optional comonomer(s) and optionally at least one inert hydrocarbon diluent, together with aluminum containing compound(s). The polymerization plant includes liquid purge stream(s) which contain aluminum containing compounds and optionally polymer fines, together with accumulated hydrocarbons which are different from the process hydrocarbons and which are hydrocarbons containing at least 4 carbon atoms. The petrochemical complex also contains a multipurpose hydrocarbon treatment unit which separates the liquid purge stream(s) into one stream having substantially all of the aluminum containing compounds and optional polymer fines, and one stream containing the accumulated hydrocarbons. The petrochemical complex also contains an upgrading unit for the treatment of the accumulated hydrocarbons which also produces the fresh monomer and/or comonomer for the polymerization reaction. | ||||||
| 87 | Method of purifying polyolefin | US15038099 | 2014-10-23 | US09790292B2 | 2017-10-17 | Sinyoung Kim; Seong Soo Lim; Suran Lee; Jaeho Kim; Sang Hong Shin |
| Provided is a method of purifying polyolefin, the method including the step of contacting linear low-density polyethylene synthesized by a gas phase polymerization reaction with a purge gas containing an ethylene gas and an inert gas in a purge bin. According to this purification method, residual alkene monomers with high carbon numbers may be removed in a simpler and more efficient manner. | ||||||
| 88 | VINYL-BASED THERMOPLASTIC RESIN COMPOSITION, METHOD FOR MANUFACTURING THEREOF AND VINYL-BASED THERMOPLASTIC RESIN MANUFACTURED THEREFROM (AS AMENDED) | US15105983 | 2015-10-07 | US20170260308A1 | 2017-09-14 | Se Woong LEE; Seong Yong AHN; Kun Ji KIM; Kyung Hyun KIM |
| The present invention relates to vinyl-based thermoplastic resin composition having excellent thermal stability, which comprises a metal complex agent, and a first vinyl-based monomer and a second vinyl-based monomer having different iron ion concentration from each other, a method for manufacturing thereof, and vinyl-based thermoplastic resin manufactured therefrom. The accompanying vinyl-based thermoplastic resin composition can enhance thermal stability, and the vinyl-based thermoplastic resin manufactured from the composition may have excellent thermal stability. Thus, it can be easily applied to industries requiring thereof, in particular, industries of vinyl-based thermoplastic resin and its mold processed goods. | ||||||
| 89 | Extraction of harmful compounds from materials containing such harmful compounds | US14030218 | 2013-09-18 | US09718940B2 | 2017-08-01 | Liang-tseng Fan; Shahram Reza Shafie |
| A composition and method for extracting, recovering, removing, and/or reducing at least one harmful compound selected from a harmful polycyclic aromatic hydrocarbon (PAH), bisphenol A (BPA), a harmful phthalate, a harmful polychlorinated biphenyl (PCB), a harmful dioxin, a harmful hexachlorobenzene, or a harmful organotin from a harmful compound-containing material using harmful compound-extracting composition comprising a turpentine fluid. | ||||||
| 90 | METHOD FOR ELIMINATING METAL IONS FROM A VISCOUS ORGANIC SOLUTION | US15314803 | 2015-06-01 | US20170197204A1 | 2017-07-13 | Xavier Chevalier; Christophe NAVARRO; Celia COLET |
| The invention relates to a method for eliminating metal ions from a viscous organic solution, the viscosity of which at 20° C. is between 1 and 1000 cP. This method comprises the steps consisting in placing a macroporous ion-exchange resin in a column, said resin comprising at least one acid resin of carboxylic type, based on a copolymer having active groups in carboxylic form (CO2H), then in continuously passing said viscous organic solution over said ion-exchange resin. | ||||||
| 91 | HYDROFLUOROCARBON RECOVERY METHOD | US15319134 | 2015-06-02 | US20170137543A1 | 2017-05-18 | Yumi ZENKE; Tadaharu ISAKA; Ryouichi FUKAGAWA; Takeshi SHIMONO |
| A method for recovering a hydrofluorocarbon, including: producing a wet fluoropolymer by suspension polymerization, solution polymerization, or bulk polymerization in the presence of a hydrofluorocarbon; vaporizing and discharging vaporizable substances including the hydrofluorocarbon by heating the wet fluoropolymer in a container; and transferring the discharged vaporizable substances to a cooling means to cool the substances. | ||||||
| 92 | DEVICE AND METHOD FOR RE-CIRCULATING RAW MATERIAL USED WHEN MANUFACTURING POLYBUTENE | US14908702 | 2014-07-29 | US20160176994A1 | 2016-06-23 | Myeong Seok KIM; Min Sup PARK; Kyoung Tae MIN |
| Disclosed are a device and a method for continuously polymerizing polybutene by removing halogen acid, which is included in a reaction raw material, by adsorbing the halogen acid using an adsorbent and then re-supplying the reaction raw material into a reactor. The device for re-circulating the raw material when manufacturing polybutene comprises a reactor, into which a catalyst and a reaction raw material (diluted with an inactive organic solvent) are supplied and polymerized to produce a reaction product; a neutralizing/washing tank for removing the catalyst from the reaction product and neutralizing the reaction product; a separation tank for separating the reaction product into organic compounds and water; a C4 distillation column for distilling an unreacted raw material and the inactive organic solvent from the organic compounds; and an impurity adsorption column for removing halogen acid from the distilled unreacted raw material and the inactive organic solvent using an adsorbent. | ||||||
| 93 | SOLUTION POLYMERIZATION PROCESSES WITH REDUCED ENERGY USAGE | US14771355 | 2014-03-04 | US20160002370A1 | 2016-01-07 | Terri A Price; Fazle Sibtain; Eric Cheluget |
| An improved solution polymerization process wherein energy consumption is reduced comprising: i) injecting ethylene, solvent, catalyst, α-olefins and hydrogen into at least one reactor to produce a polyethylene in a single liquid phase solution; ii) deactivating the single liquid phase solution; iii) passing the deactivated solution into a vapor/liquid separator forming a bottom stream of polyethylene rich solvent and a gaseous overhead stream; iv) passing not more than 40% of the gaseous overhead stream to distillation; v) condensing the remainder of the gaseous overhead stream to form a recycle stream, while generating low pressure steam; vi) passing the recycle stream through a means for oligomer removal; vii) passing the recycle stream through a lights separator; viii) passing the recycle stream through a purification step; ix) collecting the recycle stream in a recycle drum, passing the recycle stream through a pump and injecting a high pressure recycle stream into said reactors. | ||||||
| 94 | METHOD FOR RECYCLING POLYMERS AND PRODUCT PRODUCED FROM SAID METHOD | US14655373 | 2013-12-24 | US20150353703A1 | 2015-12-10 | Frederic Viot; Philippe Le Bot; Francois Gueneron |
| The invention relates to a recycling method for obtaining a polymer from “post-consumer” materials, and to a material and a part consisting of polymers obtained from the recycling of used polymers. | ||||||
| 95 | Method for desorbing and regenerating butanol-adsorbing hydrophobic macroporous polymer adsorbent | US14130887 | 2011-07-05 | US09108897B2 | 2015-08-18 | Hanjie Ying; Xiaoqing Lin; Jiansheng Fan; Jinglan Wu; Yong Chen; Xiaochun Chen; Jingjing Xie; Jian Xiong; Jianxin Bai |
| The present invention provides a method for desorbing and regenerating a butanol-adsorbing hydrophobic macroporous polymer adsorbent, comprising: successively eluting the hydrophobic macroporous polymer adsorbent with butanol adsorbed therein using a water soluble low-boiling-point polar solvent and water. The method provided in the present invention has a simple process, a short separation time, easy, fast and complete desorption and regeneration, low equipment investment and pollution, and reduced energy consumption, and therefore production is easy on a large scale. | ||||||
| 96 | TETRAHYDROFURAN PURGE TREATMENT PROCESS | US14407492 | 2013-06-04 | US20150191567A1 | 2015-07-09 | George Malcom Williamson |
| The present invention provides a tetrahydrofuran purge stream treatment process, and a process for manufacturing polyether glycol comprising same. The process for treating a tetrahydrofuran stream purged from a polyether glycol manufacturing process comprises steps of neutralizing acidic substances in a tetrahydrofuran stream purged from the polyether glycol manufacturing process with an aqueous base solution, feeding the neutralized effluent to an azeotropic distillation column, and distilling tetrahydrofuran and water overhead from the azeotropic distillation column. The process can further comprise a step of disposing of the neutralized salts and excess base in the aqueous bottoms stream from the azeotropic distillation column. The process can further comprise steps of recovering THF from the overhead of the azeotropic distillation column, and recycling the recovered THF to a polyether glycol manufacturing process. | ||||||
| 97 | Process of producing PCR pellets | US13520073 | 2010-11-23 | US09028734B2 | 2015-05-12 | Khosrow Hallaji |
| A process for producing, from PCR polyolefin feedstock, pellets which are suitable for molding into useful articles suitable for food contact and other applications wherein feedstock fragrances are not desirable. | ||||||
| 98 | Processes and Apparatus for Continuous Solution Polymerization | US14378561 | 2012-12-20 | US20150073106A1 | 2015-03-12 | Chris B. Friedersdorf; Trevan D. MacArthur; Douglas A. Berti |
| This invention relates to a blocked process for producing polymers of high and low molecular weights utilizing the same polymer separator. The separator is operated in a different mode depending on the molecular weight of the polymer being produced such that the separation system is operated in flash mode for the separation of low molecular weight polymers and operated in lower critical solution temperature (LCST) mode for the separation of high molecular weight polymers. | ||||||
| 99 | Methods of Making Polyethylene Polymer Comprising Polar Comonomer and Polymer Compositions | US14380158 | 2013-03-01 | US20150011717A1 | 2015-01-08 | Don A. Garland, Jr.; Michael L. Graham |
| A continuous process for producing high pressure polyethylene is described. The process includes contacting first amounts of ethylene, an optional polar comonomer, and a first C2 to C12 modifier in the presence of a first amount of initiator in a reaction system under polymerization conditions to form a reaction system effluent comprising a first polyethylene resin having a first concentration of unreacted monomer therein; and directing an ethylene stream and the reaction system effluent to a pressure separation unit operated at separation conditions thereby removing at least a portion of the unreacted monomer from the reaction system effluent. | ||||||
| 100 | METHOD FOR DESORBING AND REGENERATING BUTANOL-ADSORBING HYDROPHOBIC MACROPOROUS POLYMER ADSORBENT | US14130887 | 2011-07-05 | US20140155658A1 | 2014-06-05 | Hanjie Ying; Xiaoqing Lin; Jianshen Fan; Jinglan Wu; Yong Chen; Xiaochun Chen; Jinglin Xie; Jian Xiong; Jianxin Bai |
| The present invention provides a method for desorbing and regenerating a butanol-adsorbing hydrophobic macroporous polymer adsorbent, comprising: successively eluting the hydrophobic macroporous polymer adsorbent with butanol adsorbed therein using a water soluble low-boiling-point polar solvent and water. After a butanol-containing solution, such as a butanol fermentation liquor, has been adsorbed by a hydrophobic macroporous polymer adsorbent, the butanol adsorbed in the adsorbent can be thoroughly dissolved and removed by the desorption and regeneration method of the present invention; furthermore, the adsorbent can be directly regenerated to recover its adsorption capability on a fixed bed adsorbing the butanol fermentation liquor, wherein the next stage of adsorption process can be directly entered without taking the adsorbent out from the fixed bed; therefore it saves a great deal of time and improves the regeneration efficiency. The method provided in the present invention has a simple process, a short separation time, easy, fast and complete desorption and regeneration, low equipment investmentand pollution, and reduced energy consumption, and therefore production is easy on a large scale. | ||||||
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