Treating Polyurethane, Polyurea (excluding Urea-formaldehyde Polymers), Polyisocyanurate Or Polycarbodiimide Patents (Class 521/49)
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Patent number: 12054589Abstract: A method of forming an isocyanate-functional polymer component includes forming a first mixture by mixing a recycled polyurethane article and a first isocyanate component having isocyanate-functional groups. The first mixture is heated to a temperature sufficient to transform the recycled polyurethane article from a solid form to a liquid form and react the liquid recycled polyurethane component with the first isocyanate component to form an isocyanate-functional polymer component having an isocyanate-functional group content greater than zero and less than isocyanate-functional group content of the first isocyanate component. The formed isocyanate-functional polymer component may then be used for forming a polyurethane article or polyurethane foam article that is the reaction product of the formed isocyanate-functional polymer component, a second isocyanate component and an isocyanate-reactive component having hydroxyl-functional groups.Type: GrantFiled: August 1, 2018Date of Patent: August 6, 2024Inventors: Rajesh Kumar, Steven Wujcik, Nikolay Lebediniski, Christopher Milantoni
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Patent number: 11981778Abstract: Provided is a method of recycling an additively manufactured object into a reusable thermoplastic polymer, which method in some embodiments may include: (a) providing at least one additively manufactured object produced by stereolithography from a dual cure resin, the object comprising (i) a light polymerized polymer, and (ii) a heat polymerized polymer intermixed with said light polymerized polymer; (b) comminuting the object to produce a particulate material therefrom; (c) contacting the particulate material to a polar, aprotic solvent for a time and at a temperature sufficient to extract the heat polymerized polymer from the particulate material into said solvent, leaving residual particulate material comprising said light polymerized polymer in solid form; (d) separating the residual particulate material from said solvent; and then (e) separating the heat polymerized polymer from said solvent to provide a reusable thermoplastic polymer material in solid form.Type: GrantFiled: January 13, 2021Date of Patent: May 14, 2024Assignee: Carbon, Inc.Inventors: Kai Chen, Benjamin Huan Yang
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Patent number: 11945904Abstract: The present invention relates to a process for producing a flexible polyurethane foam thermally recyclable by fusion, and to hybrid materials made of flexible polyurethane foam and compact thermoplastic elastomer and/or expanded thermoplastic polyurethane.Type: GrantFiled: December 20, 2018Date of Patent: April 2, 2024Assignee: BASF SEInventors: Julia Jaehnigen, Wibke Loelsberg, Angelika Mueller, Daniela Tepe, Frank Prissok, Dejan Petrovic, Heinz-Dieter Lutter
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Patent number: 11873427Abstract: An activatable material coated device comprising a device and an activatable material, comprising at least about 5.5% or greater blowing agent, blowing agent accelerator or both. The activatable material is milled into a particulate size of from about 500 microns to about 10000 microns and the device is heated to a temperature of at least about 30° C. but below an activation temperature of the activatable material and contacted with the particulate of the activatable material, adhering the activatable material to the device.Type: GrantFiled: July 23, 2018Date of Patent: January 16, 2024Assignee: Zephyros, Inc.Inventor: Dean Quaderer
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Patent number: 11859057Abstract: Provided herein is a method of recycling reactive prepolymers from additively manufactured articles or recovered coating material that comprises a crosslinked polymer formed from a single-cure resin comprising a reactive blocked prepolymer and a crosslinker, by forming and recovering a regenerated reactive prepolymer. Light-polymerizable resins, methods of making recyclable objects from such resins, and methods for sustainable manufacturing are also provided.Type: GrantFiled: March 11, 2021Date of Patent: January 2, 2024Assignee: Carbon, Inc.Inventors: Justin Poelma, Rick Hubertus Nicolas Curvers
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Patent number: 11859132Abstract: The present invention discloses a process and an apparatus for conversion of waste plastic pyrolysis oil into value added products, wherein, the pyrolysis oil is produced from waste plastics by utilizing HCGO as a preheating stream. The process and apparatus as disclosed improves the conventional DCU process in terms of liquid, gaseous yields and reduction in coke yields and without disturbing the hardware of the conventional process along with energy efficient production of pyrolysis oil. The present process and apparatus include a delayed coking process and a system for the delayed coking process which involves the integration of delayed coking system with pyrolysis section and utilization of produced pyrolysis oil by co-processing it with residual heavy hydrocarbon feedstock.Type: GrantFiled: August 2, 2022Date of Patent: January 2, 2024Assignee: INDIAN OIL CORPORATION LIMITEDInventors: Shahil Siddiqui, Ponoly Ramachandran Pradeep, Vijayan Kanattukara Bineesh, Satyen Kumar Das, Madhusudan Sau, Gurpreet Singh Kapur, Sankara Sri Venkata Ramakumar
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Patent number: 11814469Abstract: The present disclosure relates to a process for producing polyurethanes including mixing (a) polyisocyanate, (b) polymeric compounds having isocyanate-reactive groups, (c) catalysts and optionally (d) blowing agents, (e) chain-extending and/or crosslinking agents and (f) auxiliaries and/or additives to afford a reaction mixture and reacting the reaction mixture to afford polyurethane. The polymeric compounds having isocyanate-reactive groups (b) are a polyesterol (b1) obtainable by polycondensation of an acid component with an alcohol component. The acid component includes malonic acid and/or derivatives thereof and the alcohol component includes an aliphatic dialcohol having 4 to 12 carbon atoms. The present disclosure further relates to a polyurethane obtainable by such a process and to a method of using in enclosed spaces.Type: GrantFiled: January 23, 2019Date of Patent: November 14, 2023Assignee: BASF SEInventors: Zeljko Tomovic, Sirus Zarbakhsh, Iran Otero Martinez
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Patent number: 10183426Abstract: The present invention relates to a process for the production of an expandable thermoplastic polymer comprising water as blowing agent, comprising at least the step (A) of storage of the thermoplastic polymer in water, so that water is absorbed by the thermoplastic polymer, in order to obtain an expandable thermoplastic polymer, to expandable thermoplastic polymer, obtainable via the process, to a corresponding expanded thermoplastic polymer, to a process for the production of a foam via foaming and fusion of the expanded thermoplastic polymer, and also to a foam, obtainable via said process.Type: GrantFiled: May 21, 2010Date of Patent: January 22, 2019Assignee: BASF SEInventors: Frank Braun, Frank Prissok
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Patent number: 9012525Abstract: In a tire constituted with a thermoplastic material and a material different from the thermoplastic material, the thermoplastic material and the material different from the thermoplastic material are easily and efficiently separated. While a tire 10 formed of a thermoplastic material is being turned, heated air is ejected from a nozzle 46 of a heating apparatus 44, and the surface of a crown portion 16 is melted. An end portion of a cord 26 embedded in a helical arrangement, which is formed of a material different from the thermoplastic material, is extracted from the melted region, and is sequentially wound onto a reel 58.Type: GrantFiled: August 12, 2011Date of Patent: April 21, 2015Assignee: Bridgestone CorporationInventors: Yoshihide Kouno, Seiji Kon, Keiichi Hasegawa
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Patent number: 8962704Abstract: The present disclosure relates to the production of molded products containing recycled content, and more particularly polyurethane foam which includes polyol recovered from chemical recycling of polyurethane foam scrap, which polyol has been treated to optimize viscosity and/or reactivity characteristics.Type: GrantFiled: November 27, 2013Date of Patent: February 24, 2015Assignee: International Automotive Components Group North America, Inc.Inventors: Rose Ann Ryntz, Terrence Marsh McRoberts
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Publication number: 20140316018Abstract: An object of the present invention is to provide titanium oxide granules that have a novel structure and have a characteristic of highly efficient decomposing capability, and a method of decomposing plastic and organic waste by using the granules. The present invention has been completed based on the finding that a method of decomposing plastic waste by using titanium oxide granules having a transition metal and/or a transition metal oxide, in particular copper, supported thereon enables decomposition of plastic waste at extremely high efficiency in a low-temperature region for a long period of time as compared to methods of decomposing plastic waste by using the related-art titanium oxide granules.Type: ApplicationFiled: December 14, 2012Publication date: October 23, 2014Inventors: Hiromitsu Shimizu, Itsushi Kashimoto
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Publication number: 20140303267Abstract: A process for making a solid component out of recycled paint sludge, powder coat and/or latex paint is provided. The process can include providing paint sludge, powder coat and/or latex paint and providing a second material. Thereafter, the paint sludge, powder coat and/or latex paint and the second material are mixed to produce a paint sludge, powder coat and/or latex paint-second material mixture. The paint sludge, powder coat and/or latex paint-second material mixture is processed in order to produce a solid component. The processing can include extrusion of the paint sludge, powder coat and/or latex paint-second material mixture.Type: ApplicationFiled: April 7, 2014Publication date: October 9, 2014Applicant: Preferred Filter RecyclingInventors: Dan Chrzanowski, Brandon Chrzanowski
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Patent number: 8809405Abstract: The invention comprises a composition comprising the extrusion product of synthetic turf and a processing agent, whereby the extrusion product has a moisture content of less than 0.5% by weight. A process for making the composition is also disclosed.Type: GrantFiled: May 25, 2012Date of Patent: August 19, 2014Assignee: TexTile Rubber & Chemical Co., Inc.Inventor: Leslie Jay Taylor
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Publication number: 20140155503Abstract: The present disclosure relates to the production of molded products containing recycled content, and more particularly polyurethane foam which includes polyol recovered from chemical recycling of polyurethane foam scrap, which polyol has been treated to optimize viscosity and/or reactivity characteristics.Type: ApplicationFiled: November 27, 2013Publication date: June 5, 2014Inventors: Rose Ann RYNTZ, Terrence Marsh McROBERTS
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Patent number: 8669297Abstract: Backings for carpet and carpet tiles are formed from various post-consumer and/or post-industrial polymeric waste materials, for example, post-consumer textile waste material (e.g., carpet and carpet tiles), post-industrial textile waste material (e.g., carpet and/or carpet tiles), and/or other post-consumer and/or post-industrial polymeric materials.Type: GrantFiled: May 23, 2011Date of Patent: March 11, 2014Assignee: Tandus Flooring, Inc.Inventors: Paul D. Evans, Jr., Gabe Moore
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Patent number: 8653151Abstract: The present invention is directed to articles of manufacture having at least a portion prepared using recycled material, including but not limited recycled rubber or other polymeric materials. The articles may incorporate the recycled materials in a granulated form. In specific embodiments, the article comprises an article of footwear (i.e., a shoe). Particularly, all or part of the shoe sole may be formed using the granulated material, the granules specifically being joined together using a binder material, such as a polyurethane, preferably a moisture cure, single component polyurethane binder. The invention further provides methods of preparing articles formed of granulated materials. The inventive methods are characterized by their excellent economic benefits, ease of use, and environmental benefits.Type: GrantFiled: September 23, 2008Date of Patent: February 18, 2014Assignee: Aetrex Worldwide, Inc.Inventors: Joseph J. Skaja, Evan L. Schwartz
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Patent number: 8655633Abstract: The specification relates to the formulation of polyurethane materials particularly polyurethane and polyisocyanurate foams. The specified method allows the formulator to mathematically predict the final physical properties of the polyurethane and polyisocyanurate foams by using the algorithm described herein.Type: GrantFiled: April 19, 2011Date of Patent: February 18, 2014Inventor: Augusto C Ibay
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Patent number: 8614259Abstract: A process for making a solid component out of recycled powder coat is provided. The process can include providing a powder coat material and providing a second material. Thereafter, the powder coat and the second material are mixed to produce a powder coat-second material mixture. The powder coal-second material mixture is processed in order to produce a polymer containing precursor. The processing can include granulating or densifying the powder coat-second material mixture. After the precursor has been produced, it can be placed within a molding machine and a solid component is molded. The molding machine can be an injection molding machine, an extrusion molding machine or a blow molding machine.Type: GrantFiled: April 25, 2012Date of Patent: December 24, 2013Assignee: PFR Patent Holding Company, LLCInventors: Dan Chrzanowski, Brandon Chrzanowski
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Patent number: 8609740Abstract: The present disclosure relates to the production of molded products containing recycled content, and more particularly polyurethane foam which includes polyol recovered from chemical recycling of polyurethane foam scrap, which polyol has been treated to optimize viscosity and/or reactivity characteristics.Type: GrantFiled: June 28, 2011Date of Patent: December 17, 2013Assignee: International Automotive Components Group North America, Inc.Inventors: Rose Ann Ryntz, Terrence Marsh McRoberts
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Patent number: 8557882Abstract: A method for preparing contaminated plastics ground into flakes, such as RPET or such polymers, having at least decontamination and SSP treatment steps, with at least one reactor, with heating to the process temperature taking place essentially outside the reactor. Also, a device for carrying out the method, and having at least one decontamination reactor and at least one SSP reactor, a device for heating plastic flakes to the process temperature being arranged upstream of the decontamination reactor. Also an SSP reactor having at least two individual reactors, and preferably between 3 and 7 individual reactors.Type: GrantFiled: January 31, 2013Date of Patent: October 15, 2013Assignee: Krones AGInventors: Thomas Friedlaender, Thomas Rieckmann, Frank Marx
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Patent number: 8487049Abstract: A process is described for recycling superabsorbent polymer fines into a process that includes treating the superabsorbent polymer fines with caustic and a polymerization step for making the superabsorbent polymer gel. The process requires treating the superabsorbent polymer fines with a caustic, followed by mixture with polymerizable monomer solution, and polymerizing the mixture of the superabsorbent polymer fines and monomer to form the aqueous fluid absorbent polymer. In the process, the fines are incorporated into the new polymer gel and become indistinguishable there from. The gel may then be comminuted into a particulate dried and then separated into a portion having a desired minimum particle size in a fines portion having less than the desired size. The particulate may then be coated with a surface crosslinking agent and surface additives and heated for surface conversion.Type: GrantFiled: November 9, 2012Date of Patent: July 16, 2013Assignee: Evonik Stockhausen, LLCInventors: Gonglu Tian, Scott J. Smith, Janet Pate-Linton
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Patent number: 8466205Abstract: The present invention pertains to carpet and methods of making and recycling carpet. In one aspect, the carpet includes: a primary backing which has a face and a back surface; a plurality of fibers attached to the primary backing and extending from the face of the primary backing and exposed at the back surface of the primary backing; an adhesive composition backing; and an optional secondary backing adjacent to the adhesive backing. The method of making carpet includes extrusion coating the adhesive composition onto the back surface of a primary backing to form the adhesive composition backing. The method of recycling carpet can recover one or more polymeric carpet components.Type: GrantFiled: October 4, 2010Date of Patent: June 18, 2013Assignee: Columbia Insurance CompanyInventors: Jeffrey Wright, Kellie Ballew
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Publication number: 20130150467Abstract: In a tire constituted with a thermoplastic material and a material different from the thermoplastic material, the thermoplastic material and the material different from the thermoplastic material are easily and efficiently separated. While a tire 10 formed of a thermoplastic material is being turned, heated air is ejected from a nozzle 46 of a heating apparatus 44, and the surface of a crown portion 16 is melted. An end portion of a cord 26 embedded in a helical arrangement, which is formed of a material different from the thermoplastic material, is extracted from the melted region, and is sequentially wound onto a reel 58.Type: ApplicationFiled: August 12, 2011Publication date: June 13, 2013Applicant: BRIDGESTONE CORPORATIONInventors: Yoshihide Kouno, Seiji Kon, Keiichi Hasegawa
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Patent number: 8394866Abstract: A method for preparing contaminated plastics ground into flakes, such as RPET or such polymers, having at least decontamination and SSP treatment steps, with at least one reactor, with heating to the process temperature taking place essentially outside the reactor. Also, a device for carrying out the method, and having at least one decontamination reactor and at least one SSP reactor, a device for heating plastic flakes to the process temperature being arranged upstream of the decontamination reactor. Also an SSP reactor having at least two individual reactors, and preferably between 3 and 7 individual reactors.Type: GrantFiled: March 15, 2006Date of Patent: March 12, 2013Assignee: Krones AGInventors: Thomas Friedlaender, Thomas Rieckmann, Frank Marx
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Publication number: 20130005841Abstract: The present disclosure relates to the production of molded products containing recycled content, and more particularly polyurethane foam which includes polyol recovered from chemical recycling of polyurethane foam scrap, which polyol has been treated to optimize viscosity and/or reactivity characteristics.Type: ApplicationFiled: June 28, 2011Publication date: January 3, 2013Applicant: International Automotive Components Group North America, Inc.Inventors: Rose Ann RYNTZ, Terrence Marsh MCROBERTS
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Publication number: 20120309858Abstract: The invention comprises a composition comprising the extrusion product of synthetic turf and a processing agent, whereby the extrusion product has a moisture content of less than 0.5% by weight. A process for making the composition is also disclosed.Type: ApplicationFiled: May 25, 2012Publication date: December 6, 2012Applicant: TEXTILE RUBBER & CHEMICAL CO., INC.Inventor: Leslie Jay Taylor
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Catalytic depolymerization of polymers containing electrophilic linkages using nucleophilic reagents
Patent number: 8309618Abstract: The disclosure relates to methods and materials useful for depolymerizing a polymer. In one embodiment, for example, the disclosure provides a method for depolymerizing a polymer containing electrophilic linkages, wherein the method comprises contacting the polymer with a nucleophilic reagent in the presence of a guanidine-containing compound. The methods and materials of the disclosure find utility, for example, in the field of waste reclamation and recycling.Type: GrantFiled: July 1, 2009Date of Patent: November 13, 2012Assignees: International Business Machines Corporation, Stanford UniversityInventors: James Lupton Hedrick, Russell Clayton Pratt, Robert M. Waymouth -
Patent number: 8304457Abstract: A method and device for reprocessing used plastic containers, especially PET bottles, by analyzing the degree of contamination of the plastic, determining the decontamination process parameters as a function of the degree of contamination found in the analyzing step, and conducting a controlled decontamination of the plastic according to the decontamination process parameters thus determined. With this method and this device, it is thus possible to perform the decontamination process step in a controlled manner, yielding a more economical reprocessing method.Type: GrantFiled: October 8, 2004Date of Patent: November 6, 2012Assignee: Krones AGInventors: Thomas Friedlaender, Maren Hofferbert, Hans-Jurgen Straubinger
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Patent number: 8202918Abstract: Methods and systems for processing waste materials and for manufacturing composite materials are disclosed herein. According to some embodiments, the heterogeneous waste includes a plastic component and a non-plastic component, and the non-plastic component includes a plurality of pieces of waste. The heterogeneous waste is heated to melt at least a portion of said plastic component and reducing a volume of said heterogeneous waste, and then mixed (e.g. by rotating a mixing chamber or by stirring) until at least some said pieces are each encapsulated by the melted plastic component. Upon cooling, the mixture optionally sets into a composite material. The presently disclosed invention does not require pre-sorting of the heterogeneous waste and is operative to process “as is” waste. Optionally, the waste is pre-sorted.Type: GrantFiled: October 28, 2010Date of Patent: June 19, 2012Inventors: Amit Azulay, Yuval Tamir
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Patent number: 8188154Abstract: A decomposition reaction apparatus for the decomposition treatment of a thermosetting resin, which comprises a reaction apparatus comprising an introduction section for introducing a resin composition containing the thermosetting resin and a solvent containing a monomer component of the thermosetting resin or a component similar to the monomer component, a decomposition reaction section for heating and pressuring the resin composition and the above solvent so as for the solvent to have a supercritical state or a subcritical state, to thereby prepare a treated and recovered product containing a recycled resin formed by the reduction of the molecular weight of the above thermosetting resin, and a discharge section for discharging the treated and recovered product.Type: GrantFiled: October 7, 2005Date of Patent: May 29, 2012Assignee: Sumitomo Bakelite Company, Ltd.Inventors: Junya Goto, Sumiya Miyake, Masaki Ishikawa, Kazunori Shimoyachi
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Patent number: 8168688Abstract: A process for making a solid component out of recycled paint sludge is provided. The process can include providing a paint sludge and providing a second material. Thereafter, the paint sludge and the second material are mixed to produce a paint sludge-second material mixture. The paint sludge-second material mixture is processed in order to produce a polymer containing precursor. The processing can include granulating or densifying the paint sludge-second material mixture. After the precursor has been produced, it can be placed within a molding machine and a solid component is molded. The molding machine can be an injection molding machine, an extrusion molding machine or a blow molding machine.Type: GrantFiled: March 6, 2009Date of Patent: May 1, 2012Inventors: Dan Chrzanowski, Brandon Chrzanowski
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Patent number: 8153699Abstract: A surfacing composition made of recycled paint, which requires no priming, has a non-reflective “flat” appearance, and is partially composed of dried paint. The composition provides a useful application for used or excess household paint, which would otherwise require special methods of disposal and potentially create future toxic cleanup problems. The composition is made of granular dried paint and a water-based sealer, which can be spread on a surface to repair imperfections. The surface can then be finished, and no priming is required. Due to the composition's flat appearance, the patch does not display any characteristic sheen where the repair has been made. The composition provides a simple means of recycling paint, and provides a simple and inexpensive means of repairing imperfections in walls and other surfaces while saving the step of priming the patch before painting or repainting.Type: GrantFiled: April 13, 2009Date of Patent: April 10, 2012Inventor: Larry Allen Holloway
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Publication number: 20120083542Abstract: The present invention relates to a process for the treatment of waste in a reactor (3) comprising the steps of combining the waste to be processed and an aqueous, alkaline solution to form a reaction mixture, heating the reaction mixture to a temperature range between 140° C. to 250° C. and a pressure between 3 bar and 12 bar to produce at least one aqueous, organic phase, a gas phase and optionally a solid phase, removing the gas phase from the reactor (3), separating the organic and aqueous components of the gas phase, in particular by means of a rectification column and feeding the aqueous components of the gas phase back into the reactor.Type: ApplicationFiled: March 18, 2009Publication date: April 5, 2012Applicant: PATRICK VON HERTZBERGInventor: Thomas Müller
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Patent number: 8106103Abstract: A method for reformulating reclaimed, contaminated mixed waste plastics into useful articles wherein a plurality of batches of the mixed waste plastics are preprocessed to produce substantially homogeneous mixtures of a desired particle size range that are characterized according to their respective apparent densities, and are thereafter blended to produce a mixed plastic feed material having a color predetermined to be desirable for reprocessing into at least one of such useful articles.Type: GrantFiled: July 21, 2008Date of Patent: January 31, 2012Assignee: Advanced Environmental Recycling Technologies, Inc.Inventors: Joe G. Brooks, Christopher Lynn Becker
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Patent number: 8097659Abstract: A flexible polyurethane foam is obtained by making a material containing polyols, a cross-linking agent and a polyisocyanate compound react in the presence of a catalyst, a blowing agent and an auxiliary blowing agent. At this time, the isocyanate index of the polyisocyanate compound is set to 110 to 120. Preferably, a polyol of which the hydroxyl value is 250 mg KOH/g to 650 mg KOH/g and of which the molecular weight is 150 to 500 is used as the cross-linking agent, and concretely, polyethylene glycol can be used. A liquefied carbon dioxide is used as the auxiliary blowing agent with an amount mixed in of 1.5 mass parts to 6.0 mass parts relative to 100 mass parts of the polyols. The load required for compressing to 25% of the initial thickness is 30 N to 70 N, and thus, the flexible polyurethane foam has a low hardness.Type: GrantFiled: January 19, 2007Date of Patent: January 17, 2012Assignee: Inoac CorporationInventor: Fuminori Horio
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Patent number: 8071656Abstract: The present invention provides energetically and economically efficient methods for separating polyamide polymer(s) from commingled materials. The methods generally involve precipitating a polyamide polymer dissolved in a solvent (e.g., formic acid) using dimethyl ether (DME) as an antisolvent. The methods comprise dissolving the polyamide polymer in a solvent that (i) selectively dissolves the polyamide polymer relative to the other materials and (ii) has a higher solubility for DME relative to the polyamide polymer; and then contacting the mixture of the solvent with the dissolved polyamide polymer with DME, thereby precipitating the polyamide polymer.Type: GrantFiled: March 3, 2009Date of Patent: December 6, 2011Assignee: DynaSep LLCInventors: Brian J. Waibel, Hans Schonemann, Val Krukonis, David J. Lawrence, Joseph N. Caulfield
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Patent number: 8030364Abstract: The present invention relates to a preparing method of polyols, polyurethane and polyurethane foams using the same. Polyester, polyamide and polyurethane are depolymerized with the polymeric fatty acid mono(polyhydroxyl alcohol)ide composition and additionally reacted with the polybasic acid, polyol and amine to prepare acid value of 05-˜1 mgKOH/g, hydroxyl value of 10˜500 mgKOH/g, and amine value of 1˜50 mgKOH/g in polyol. This is to transform the double bond of the unsaturated fatty acid from the component of the oils and fats into a conjugated double bond to induce the Diels-Alder reaction, and with the improvement of the reactivity to form a stable combination in the chemical structure to prevent the separate leaching appearance of fat and fatty oil from the final product. In particular, by recycling waste edible oil and waste synthetic resin that can be employed as industrially useful material, the invention provides environment advantages.Type: GrantFiled: October 10, 2005Date of Patent: October 4, 2011Inventors: Do Gyun Kim, Hyosung Kim
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Patent number: 8017662Abstract: A process for producing a synthetic fiber composition with reclaimed post consumer carpet yarn, wherein face yarn is shaved from post consumer carpet using a shaving device to provide shaved face yarn, the shaved face yarn is reduced in size, contaminants are removed using mechanical screeners, the shave face yarn is melt filtered, and then fiber spun.Type: GrantFiled: May 29, 2008Date of Patent: September 13, 2011Assignee: Universal Fibers, Inc.Inventors: George Taylor Hoover, Jr., Milton Keith Roark, Brendan Francis McSheehy, Jr., Matthew Benjamin Studholme
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Patent number: 7943676Abstract: A method of recycling waste plastic foam materials firstly is to smash a waste material including polyurethane foam into fine particles so as to obtain a first starting material. The first starting material is then crisped and followingly milled into powder so as to obtain a second starting material. The second starting material is then placed into a mixer to mix with a first foaming reaction solution including polyol, catalyst and additives injected into the mixer so as to form a semi-treated foaming material. And then, the semi-treated foaming material is mixed with a second foaming reaction solution including diisocyanate injected into the mixer so as to obtain a completed-treated foaming material. Lastly, the completed-treated foaming material is poured into a mold and then water vapor is uniformly introduced into the mold so as to induce the completed-treated foaming material to proceed foaming reaction.Type: GrantFiled: February 7, 2008Date of Patent: May 17, 2011Inventor: Kun-Huang Chang
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Patent number: 7902262Abstract: The present invention relates to the recycling of waste electrical and electronic equipment (WEEE). Preferably, the present invention relates to the substantial recycling of all material forming the WEEE, thus providing substantially zero landfill. In yet another form, the invention relates to an additive and/or method of providing an additive. In still another form, the invention relates to recycling ink, toner, and/or PU foam from imaging consumables, forming part of the WEEE. In another form, the invention relates to the recycling of plastic materials containing flame retardants, including the recycling of plastics materials, such as plastics materials containing brominated flame retardants generally based on styrenics (e.g. PS, HIPS, ABS, PPO/PS, PPE/PS, ABS/PC) and polyamides (Nylon 6, nylon 6,6, nylon 12) and other engineering plastics such as polyacetal, polycarbonate, PET, PBT, liquid crystal polymers.Type: GrantFiled: June 15, 2005Date of Patent: March 8, 2011Assignee: Close the Loop Technologies Pty Ltd.Inventors: William Terence Armstrong, Stephen Michael Morriss, Glen Wilkie, John Scheirs
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Patent number: 7893120Abstract: A pulverized thermoplastic resin product such as a pulverized thermoplastic product containing a black pigment, a mixture of a pulverized thermoplastic product containing a colored pigment and a pulverized thermoplastic product containing a colored pigment, or a pulverized thermoplastic product containing two or more different colored pigments can be converted into colored reclaimed resin particles by a method comprising the steps of mixing the pulverized resin product with a white pigment and a black pigment, melting the resulting mixture, and converting the molten mixture into solid particles. The colored reclaimed resin products can be utilized in various field.Type: GrantFiled: February 4, 2008Date of Patent: February 22, 2011Assignee: UBE Industries, Ltd.Inventors: Yoshiki Suzuki, Tatsushi Ako, Yukimasa Tanaka, Saburou Hinenoya, Yasuo Kita
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Patent number: 7884140Abstract: Techniques for creating recycled plastic materials from waste plastic materials are described. A recycled plastic material contains at least a primary polymer, a secondary polymer, and residual additives. Predetermined properties of the recycled plastic material can be controlled by selecting the types of waste plastic materials used in the recycling feed, determining the types and amounts of recycled plastic material recovered from a separation process and blending the recycled plastic material with other materials.Type: GrantFiled: April 14, 2003Date of Patent: February 8, 2011Assignee: MBA Polymers, Inc.Inventors: Brian L. Riise, Laurence E. Allen, III, Ron C. Rau, Michael B. Biddle
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Patent number: 7851514Abstract: The invention provides a process for producing a recycled resin, which includes: a first step of decomposing a resin composition containing a thermosetting resin in a supercritical or subcritical solvent having a monomer constituting the thermosetting resin or a derivative thereof as an essential component and a second step of adding a polyfunctional compound thereto to process; a recycled resin or a processed and recovered matter obtained according to the process for producing; a recycled resin composition formed from a recycled resin and/or a processed and recovered matter of the resin composition; and a method for recycling a resin composition, which reuses said recycled resin and/or said processed and recovered matter of a resin composition as a raw material of a recycled resin composition.Type: GrantFiled: September 12, 2005Date of Patent: December 14, 2010Assignee: Sumitomo Bakelite Company, Ltd.Inventors: Junya Goto, Masaki Ishikawa, Kazunori Shimoyachi
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Publication number: 20100311849Abstract: A process is provided for making a reactive-block-copolymer chain extender and for using the chain extender to couple polymer chains together for increasing the average molecular weight of the polymer chains. The chain extender can be reacted with polymeric materials that have functional groups and low molecular weight to couple polymer chains together and increase the average molecular weight, thereby increasing intrinsic viscosity and improving properties of the polymeric material. The chain extender is particularly useful for recycling polyethylene terephthalate (PET) and other polymers with functional groups and is also useful as a surface modifier and as a compatibilizer for polymeric materials that do not have reactive functional groups, such as polyethylene, polypropylene and polystyrene.Type: ApplicationFiled: May 27, 2010Publication date: December 9, 2010Applicant: CID Centro de Investigacion y Desarrollo Tecnologico SA de CVInventors: Alfonso González Montiel, Leticia Flores Santos, Pablo Esparza Hernández
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Publication number: 20090318576Abstract: The invention provides a process for producing a recycled resin, which includes: a first step of decomposing a resin composition containing a thermosetting resin in a supercritical or subcritical solvent having a monomer constituting the thermosetting resin or a derivative thereof as an essential component and a second step of adding a polyfunctional compound thereto to process; a recycled resin or a processed and recovered matter obtained according to the process for producing; a recycled resin composition formed from a recycled resin and/or a processed and recovered matter of the resin composition; and a method for recycling a resin composition, which reuses said recycled resin and/or said processed and recovered matter of a resin composition as a raw material of a recycled resin composition.Type: ApplicationFiled: September 12, 2005Publication date: December 24, 2009Inventors: Junya Goto, Masaki Ishikawa, Kazunoir Shimoyachi
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Patent number: 7625953Abstract: The method for the manufacture of foamed or foamable polymer particles employs a mixture of a polymer melt and a recycled polymer melt produced from recycled, propellant-containing polymer particles. The associated plant for the manufacture of the foamed or foamable polymer particles is provided with an apparatus for the processing of recycled, propellant-containing polymer particles.Type: GrantFiled: November 6, 2007Date of Patent: December 1, 2009Assignee: Sulzer Chemtech AGInventor: Philip Nising
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Patent number: 7547734Abstract: Recycled resin is produced by a method including a dismantling/recovery step of dismantling products containing resin moldings and recovering the resin moldings, a removal step of removing unwanted matter including metal components from the resin moldings, a sorting step of discriminating the materials of the resin moldings, and a crushing step of crushing the resin moldings. The method further includes, prior to the crushing step, detecting the metal components, and, after the crushing step, separating out and thus removing metal remaining in crushed material.Type: GrantFiled: September 9, 2005Date of Patent: June 16, 2009Assignee: Fujitsu LimitedInventors: Koichi Kimura, Takamitsu Nakamura
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Patent number: 7538143Abstract: The invention relates to a method for the treatment of waste containing polyamide comprising a) depolymerisation of the waste containing polyamide, whereby a caprolactam raw material (6) and a flow (3), comprising the secondary constituents and additives from the depolymerisation, are obtained, and b) leaching of the flow (3) at least once using an extracting agent.Type: GrantFiled: July 23, 2004Date of Patent: May 26, 2009Assignee: Zimmer AktiengesellschaftInventors: Rudolf Kämpf, Reinhard Wolf, Joachim Seelig
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Patent number: 7452918Abstract: A recycled plastic material is made from laser-engraved thermoplastic, metal-containing thermoplastic, thermoplastic used in an inkjet apparatus, or thermoplastic to which an ink or its composition have stuck. This recycled plastic material is manufactured by pulverizing any of these thermoplastics, cleaning the pulverized thermoplastic, removing a cleaning solution from the cleaned thermoplastic to dry it, and removing the dried thermoplastic solid matter other than the thermoplastic.Type: GrantFiled: October 20, 2004Date of Patent: November 18, 2008Assignee: Canon Kabushiki KaishaInventors: Yasushi Koike, Shoji Akino, Osamu Asakura, Mizuko Matsumoto, Takeshi Bungo, Hirohide Matsuhisa, Takeshi Iwasaki, Izumi Uraki
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Publication number: 20080153932Abstract: The invention relates to methods of using polymers in the waste stream obtained from the production of powder coat. The polymer in the waste stream can be cured with that in another waste stream or with a virgin polymer.Type: ApplicationFiled: December 11, 2007Publication date: June 26, 2008Inventor: Robert C. Brady