| 序号 | 专利名 | 申请号 | 申请日 | 公开（公告）号 | 公开（公告）日 | 发明人 |
|---|---|---|---|---|---|---|
| 181 | Process for recovery of polyurethane from solvent-containing waste paste generated from production of polyurethane | JP10436592 | 1992-04-23 | JPH05170868A | 1993-07-09 | IERUHI HAUSUDORUFU; BARUDO ANZERUMU; SHIYUTEFUEN KOZATSUKU |
| PURPOSE: To perfectly recover polyurethane and a solvent in a reutilizable form. CONSTITUTION: In a process for recovering polyurethane from solvent-containing waste paste generated from a polyurethane manufacturing process, the waste paste is adjusted to a dry wt. of about 30% with respect to the waste paste by using methyl ethyl ketone as a solvent and an acylpolyethyleneglycolester emulsifier is added to the paste in a ratio of 1 pt. per 10 pts of the paste and twelve times the waste paste wt. of water is mixed with the paste under stirring and the obtained emulsion is stirred for one hr at room temp. and the solvent is excluded from this emulsion by utilizing steam and an aq. phase is removed from the obtained water-solvent two-phase distillate and a fine polyurethane granular material with a particle size of 200-2000 μm left in foam residue and suspended in water is filtered off to be dried. COPYRIGHT: (C)1993,JPO | ||||||
| 182 | Recovery of halogenated hydrocarbon from synthetic foam | JP12404491 | 1991-05-28 | JPH04243501A | 1992-08-31 | HAINTSU HOOBERUKU; YOAHIMU KURISUCHIAANI; MARUTEIN BENDERU |
| PURPOSE: To recover FCH regardless of the treating temperature by transferring FCH released from synthetic foams to a gaseous carrier medium in a closed processing chamber, using steam as the carrier medium, and then separating FCM from the carrier medium. CONSTITUTION: A feeding process of synthetic foams is indicated by an arrow A. A processing chamber 2 forming a closed system to an ambient environment is connected to a steam generator 6. The synthetic foams are processed in an environment filled with steam, or at >100°C to release halogenated hydrocarbons (FCH), which is absorbed by steam. Discharge of the synthetic foams is indicated by an arrow B. Phase transfer of steam used as the carrier medium in a narrow temperature range makes separation of gas and liquid easy. FCH in the gas phase is easily dissolved in vapor or in steam and dissolved very little in liquid phase. COPYRIGHT: (C)1992,JPO | ||||||
| 183 | Method for extracting and recovering blowing agent from polymeric foam | JP8930590 | 1990-04-05 | JPH02294341A | 1990-12-05 | MAIKERU AARU ASUKOU; JIEIMUZU ARAN BUEREI |
| PURPOSE: To extract and recover a blowing agent from a polymeric foam by crushing the polymeric foam in a liq. medium to obtain a solid phase of crushed polymer pieces and a liq. phase of the blowing agent and the liq. medium, separating the solid phase from the liq. phase, and separating the blowing agent. CONSTITUTION: A polymeric foam is crushed in a liq. medium (e.g. a hydrocarbon, an alcohol, or water) to obtain a solid phase of crushed polymer pieces and a liq. phase of a blowing agent and the liq. medium. The solid phase is then separated from the liq. phase by filtration or the like, and the blowing agent and the liq. medium in the liq. phase are separated by distillation and decantation at any time. The liq. medium may be not miscible with the blowing agent at all (in this case, the medium should have lower density than the blowing agent), may be partially or completely miscible with the blowing agent (in this case, the difference in b.p. between the medium and the blowing agent should be not less than ±5°C, pref. not less than ±10°C), or may be the same liq. as the blowing agent. COPYRIGHT: (C)1990,JPO | ||||||
| 184 | Recovery of isoprene in butyl rubber manufacturing process | JP24981586 | 1986-10-22 | JPS62158707A | 1987-07-14 | HAABEI EMAASON ATOUTSUDO |
| 185 | Recovery of volatile blowing agent from pre-expanded polyolefin resin particle | JP22252484 | 1984-10-23 | JPS61101539A | 1986-05-20 | MAEDA HIROFUMI; AKAMATSU SHIGEHIKO |
| PURPOSE: To recover a volatile blowing agent contained in preexpanded particles, by bringing the pre-expanded particles obtained by heating a polyolefin resin containing the blowing agent into contact with air. CONSTITUTION: The figure shows an embodiment. It is preferable that pre- expansion chamber 19 is communicated with a blowing agent recovery unit through, e.g., a pipe because vapors readily escape from pre-expanded particles obtained by heating a polyolefin resin containing a volatile blowing agent. The blowing agent recovery unit is composed of a tank 10 for extraction of the blowing agent in pre-expanded particles, recirculation apparatus for hot air (recirculation blower 13 and a heat exchanger 12), a gas holder 14, active carbon adsorption tower 11, etc. Said pre-expanded particles are brought into contact with hot air to recover the volatile blowing agent. It is preferable that the temperature of the hot air is lower than the Vicat softening point of the polyolefin resin by at least 10°C. COPYRIGHT: (C)1986,JPO&Japio | ||||||
| 186 | JPS5439501B2 - | JP9088172 | 1972-09-09 | JPS5439501B2 | 1979-11-28 | |
| 187 | Jukyozaikaishuhoho | JP14646375 | 1975-12-10 | JPS51105973A | 1976-09-20 | HERUMUTO SHUPERUKU; RUDORUFU SUTORAASAA; JOAN UAASU |
| 188 | JPS4944599B1 - | JP6275970 | 1970-07-18 | JPS4944599B1 | 1974-11-29 | |
| 189 | JPS4836423A - | JP9088172 | 1972-09-09 | JPS4836423A | 1973-05-29 | |
| 190 | SOLVENT RECOVERY APPARATUS AND SOLVENT RECOVERY METHOD | US15779304 | 2017-06-12 | US20180319949A1 | 2018-11-08 | Sung Kyu Lee; Joon Ho Shin |
| The present invention relates to a solvent recovery apparatus and a solvent recovery method, and the solvent recovery apparatus and method according to the present application can reduce the used amount of steam in a synthetic rubber production process, and can reduce the used amount of energy by recovering the waste heat discarded through a condenser. | ||||||
| 191 | Vinyl-based thermoplastic resin composition, method for manufacturing thereof and vinyl-based thermoplastic resin manufactured therefrom | US15105983 | 2015-10-07 | US10047180B2 | 2018-08-14 | 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. | ||||||
| 192 | Recovery of Unreacted Monomers from Olefin Polymerization Processes | US15579721 | 2016-06-17 | US20180162962A1 | 2018-06-14 | Steven P. Haynie |
| A process, for recovery of unreacted olefin monomer(s) from a particulate product of an olefin polymerization reactor, the particulate polymer product is supplied to a degassing vessel, where the particulate product is countercurrently contacted with at least a first gaseous stripping stream, which includes at least 5% by weight unreacted olefin monomer, and then with an inert gas stream under conditions effective to strip hydrocarbon impurities from the polymer product and produce a stripped polymer product, is provided. | ||||||
| 193 | METHOD FOR PRODUCING SUPER ABSORBER PARTICLES | US15564215 | 2016-03-29 | US20180126030A1 | 2018-05-10 | Tina Mark; Thomas Daniel; Erich Lutz |
| A process for agglomerating superabsorbent particles, wherein polymer particles having a particle size of 250 μm or less are dispersed in a hydrophobic organic solvent, the dispersed polymer particles are mixed with an aqueous monomer solution, the amount of unneutralized monomer applied with the monomer solution being from 0.5% to 80% by weight, based on the dispersed polymer particles, and the monomer solution is polymerized. | ||||||
| 194 | Process for separating components of a polymer-monomer mixture obtained by high-pressure polymerization of ethylenically unsaturated monomers | US15523909 | 2015-11-12 | US09931608B2 | 2018-04-03 | Dieter Littmann; Georg Groos; Andre-Armand Finette; Michael Deuerling; Sven Wolfram; Juergen Mohrbutter; Danir Khayrullin; Claudio Fibla; Christoph Wolf |
| A process for separating polymeric and gaseous components of a polymer-monomer mixture at a pressure of from 0.12 MPa to 0.6 MPa and a temperature of from 120° C. to 300° C. in a separation vessel is provided. The separation vessel has a vertically arranged cylindrical shape with a ratio of length to diameter L/D of from 0.6 to 10 and an inlet pipe capable of introducing the polymer-monomer mixture into the separation vessel which the inlet pipe extends vertically from the top of the separation vessel into the separation vessel. Further a process for preparing ethylene homopolymers or copolymers from ethylenically unsaturated monomers in the presence of free-radical polymerization initiators at temperatures from 100° C. to 350° C. and pressures in the range of from 110 MPa to 500 MPa comprising such a process for separating a polymer-monomer mixture is provided. | ||||||
| 195 | PROCESS FOR PRODUCING (METH)ACRYLIC RESIN COMPOSITION | US15539919 | 2015-12-25 | US20180009913A1 | 2018-01-11 | Hiroshi OZAWA; Yasuhito KITADE; Shouji TANAKA |
| A method for producing a (meth)acrylic resin composition, the method comprising continuously feeding a polymerizable monomer component comprising 50 to 100% by mass of methyl methacrylate, 0 to 20% by mass of an acrylic acid alkyl ester and 0 to 30% by mass of an additional monomer, a chain transfer agent, and a radical polymerization initiator to a tank reactor; conducting bulk polymerization of the polymerizable monomer component at a polymerization conversion ratio of 40 to 70% by mass to obtain a liquid containing a (meth)acrylic resin; continuously feeding the liquid to a vented extruder to separate a volatile component from the (meth)acrylic resin; continuously feeding the separated volatile component to a distillation column to obtain a fraction containing methyl methacrylate; adding a polymerization inhibitor to the fraction; and reusing the fraction which contains the polymerization inhibitor as part of the polymerizable monomer component. | ||||||
| 196 | PROCESS FOR SEPARATING COMPONENTS OF A POLYMER-MONOMER MIXTURE OBTAINED BY HIGH-PRESSURE POLYMERIZATION OF ETHYLENICALLY UNSATURATED MONOMERS | US15523909 | 2015-11-12 | US20170348658A1 | 2017-12-07 | Dieter Littmann; Georg Groos; Andre-Armand Finette; Michael Deuerling; Sven Wolfram; Juergen Mohrbutter; Danir Khayrullin; Claudio Fibla; Christoph Wolf |
| A process for separating polymeric and gaseous components of a polymer-monomer mixture at a pressure of from 0.12 MPa to 0.6 MPa and a temperature of from 120° C. to 300° C. in a separation vessel is provided. The separation vessel has a vertically arranged cylindrical shape with a ratio of length to diameter L/D of from 0.6 to 10 and an inlet pipe capable of introducing the polymer-monomer mixture into the separation vessel which the inlet pipe extends vertically from the top of the separation vessel into the separation vessel. Further a process for preparing ethylene homopolymers or copolymers from ethylenically unsaturated monomers in the presence of free-radical polymerization initiators at temperatures from 100° C. to 350° C. and pressures in the range of from 110 MPa to 500 MPa comprising such a process for separating a polymer-monomer mixture is provided. | ||||||
| 197 | PROCESS FOR PURIFICATION OF VENT STREAMS | US15535801 | 2015-11-09 | US20170335084A1 | 2017-11-23 | John G. PENDERGAST, Jr.; Johnny W. MASEY; Robert D. SWINDOLL; Yujun LIU |
| Disclosed herein is a system for recovering olefins from a vent stream comprising an absorber; and a stripper; where the absorber and the stripper are in a recycle loop; and where the absorber is operative to treat a vent stream with a solvent to remove more than 99 wt % of a halogenated by-product contained in the vent stream and to recover 90 to 95 wt % of olefin molecules present in the vent stream; and where the stripper is operative to remove more than 99 wt % of the halogenated by-products present in the solvent; and where the solvent is recycled to the absorber. | ||||||
| 198 | Process for separating components of a reaction mixture obtained by high-pressure polymerization of ethylenically unsaturated monomers | US15101351 | 2014-12-03 | US09631035B2 | 2017-04-25 | Georg Groos; Erich Neumann; Michael Deuerling; Dieter Littmann |
| The present disclosure relates to a process for separating polymeric and gaseous components of a reaction mixture obtained by high-pressure polymerization of ethylenically unsaturated monomers in the presence of free-radical polymerization initiators into in a gaseous fraction and a liquid fraction, wherein the separation is carried out at a pressure of from 15 MPa to 50 MPa and a temperature of from 120° C. to 300° C. in a separation vessel which has a vertically arranged cylindrical shape with a ratio of length to diameter L/D of from 4 to 10 and which is equipped with an inlet pipe which extends vertically from the top into the separation vessel; and the ratio of the inner diameter of the inlet pipe at its lower end and the inner diameter of the separating vessel in its cylindrical part is in the range of from 0.2 to 0.4. | ||||||
| 199 | Method of preparing elastic terpolymer | US14888992 | 2013-10-14 | US09611349B2 | 2017-04-04 | Jun-Seok Ko; Sung-Cheol Yoon; Sung-Ho Park; Soo-Young Choi |
| The present invention relates to a method of preparing an ethylene/alpha-olefin/diene-based elastic copolymer having high viscosity and a high molecular weight, in which energy efficiency of the entire process is optimized. The method of preparing the elastic copolymer includes the steps of: copolymerizing an ethylene/alpha-olefin/diene-based elastic copolymer; and separating and removing the solvent and unreacted monomers from the polymer solution and recovering the elastic copolymer, by sequentially using a gas-liquid separator and a stripper in the purification of the solvent and unreacted monomers. | ||||||
| 200 | Methods of making polyethylene polymer comprising polar comonomer and polymer compositions | US14380158 | 2013-03-01 | US09611343B2 | 2017-04-04 | 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. | ||||||
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