公开(公告)号：WO2021146237A1

公开(公告)日：2021-07-22

申请号：PCT/US2021/013177

申请日：2021-01-13

Applicant: CARBON, INC.

Inventor： CHEN, Kai ,  YANG, Benjamin Huan

IPC: C08J11/08 ,  B29B17/00 ,  B29C64/357 ,  B29B17/04 ,  B29C64/129 ,  B29B17/02 ,  B29B2017/0203 ,  B29B2017/0224 ,  B29B2017/0231 ,  B29B2017/0237 ,  B29B2017/0293 ,  B29B2017/0468 ,  B29B2017/0484 ,  B29C64/124 ,  B29K2075/00 ,  B33Y40/00 ,  C08J2300/208

Abstract: 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.

公开(公告)号：WO2021199090A1

公开(公告)日：2021-10-07

申请号：PCT/IT2021/050077

申请日：2021-03-23

Applicant: PAL S.R.L.

Inventor： DAL BEN, Antonio

IPC: B09B3/00 ,  B07C5/342 ,  B07C5/344 ,  B09B5/00 ,  B29B17/02 ,  B65B69/00 ,  B29B17/04 ,  B29B2017/0203 ,  B29B2017/0272 ,  B29B2017/0279 ,  B29B2017/0468 ,  B29L2031/712

Abstract: Method and plant to recycle used disposable containers of foodstuffs for instant beverages. The method comprises crushing a mass of containers with crushing means (3) with a slow crushing cycle; separating used and wet foodstuffs from the mass and sending them on a first processing line (8) that comprises a drying station (7); sending the selected mass on at least a second processing line (12) that comprises a station (6) for selecting and separating non-ferrous conductive components from plastic components; separately collecting the non-ferrous conductive components and the plastic components; screening the first and second processing lines (8, 12).

公开(公告)号：WO2021191834A1

公开(公告)日：2021-09-30

申请号：PCT/IB2021/052476

申请日：2021-03-25

Applicant: CASELLE, Francesco

Inventor： CASELLE, Francesco

IPC: B29B17/00 ,  B29B17/04 ,  B02C18/00 ,  B09B3/00 ,  B09B5/00 ,  B03B9/06 ,  B65F1/00 ,  E03C1/266 ,  B29B17/02 ,  B65F1/14 ,  B02C18/0092 ,  B29B17/0026 ,  B29B17/0412 ,  B29B2017/0203 ,  B29B2017/0468 ,  B29B2017/0484 ,  B65F1/006 ,  B65F1/1405 ,  B65F2001/1489 ,  B65F2001/1676 ,  B65F2210/168 ,  B65F2210/169 ,  B65F7/00 ,  E03C1/2665

Abstract: There is described a household appliance (1) for the treatment and disposal of household waste comprising a module for the treatment of organic waste (2) and at least one module for the treatment of inorganic waste (3', 3''). Each module (2, 3', 3'') is provided with at least one shredding chamber (4a, 4b, 4', 4'') comprising relative shredding means (5). The module for the treatment of organic waste (2) comprises means (6) for feeding water into the shredding chamber (4a, 4b) and discharge means (10) for discharging the water/shredded organic waste mixture from said shredding chamber (4a, 4b). The module for the treatment of inorganic waste (3', 3'') comprises a collection drawer (7', 7'') for the shredded inorganic waste, downstream of the shredding chamber (4', 4'').

公开(公告)号：WO2021191296A1

公开(公告)日：2021-09-30

申请号：PCT/EP2021/057602

申请日：2021-03-24

Applicant: LM WIND POWER A/S

Inventor： KORSGAARD, John

IPC: B29B17/02 ,  B29B17/04 ,  B29L31/08 ,  B29K105/08 ,  B29B2017/0094 ,  B29B2017/0203 ,  B29B2017/0428 ,  B29B2017/0468 ,  B29B2017/0476 ,  B29B2017/0484 ,  B29K2105/08 ,  B29L2031/085 ,  B63B2035/4473 ,  B63B35/44

Abstract: The present disclosure relates to a method for preparing a wind turbine blade for recycling by sectioning the wind turbine into at least a first and a second wind turbine blade part comprising different types of materials or comprising the same type of materials in a different relative content.

公开(公告)号：WO2021191292A1

公开(公告)日：2021-09-30

申请号：PCT/EP2021/057595

申请日：2021-03-24

Applicant: LM WIND POWER A/S

Inventor： KORSGAARD, John

IPC: B29B17/04 ,  B63B35/00 ,  B29B17/00 ,  B29K105/08 ,  B29L31/08 ,  B29B17/02 ,  B29B2017/0094 ,  B29B2017/0203 ,  B29B2017/0428 ,  B29B2017/0468 ,  B29B2017/0476 ,  B29B2017/0484 ,  B29K2105/08 ,  B29L2031/085 ,  B63B2035/4473 ,  B63B35/44

Abstract: The present disclosure relates to a recycling system for recycling of composite materials such as wind turbine blades. The recycling system comprises a plurality of processing units that may be transported to a location of interest and assembled into the recycling system. Each processing unit configured to carry one or more recycling step(s).

公开(公告)号：WO2022271539A1

公开(公告)日：2022-12-29

申请号：PCT/US2022/033940

申请日：2022-06-17

Applicant: DOW GLOBAL TECHNOLOGIES LLC

Inventor： GORIN, Craig F. ,  WANG, Jin ,  MATTEUCCI, Scott T. ,  MARTIN, Jill M. ,  WANG, En

IPC: B29B17/02 ,  C08J11/08 ,  B29B2017/0203 ,  B29B2017/0244 ,  B29B2017/0255 ,  B29B2017/0293

Abstract: A process for separating and recovering at least one polymer component from a melt of a multiple number of polymer components including the steps of: (A) shearing a multi-polymer component melt in the presence of a pressurized aqueous solution; wherein the multi-polymer component melt comprises a blend of at least a first polymer component and at least a second polymer component; wherein the multi-polymer component melt has at least two melting temperatures, at least two glass transition temperatures or combinations thereof; wherein the pressurized aqueous solution comprises an aqueous liquid mixture of: (i) water, and (ii) at least one dispersing agent; wherein the shearing of the multi-polymer component melt in contact with the pressurized aqueous solution forms a dispersion, particles, or strands of the at least one first polymer component having an enriched first polymer component concentration; and (B) after the shearing of step (A), isolating the at least first polymer component from the other polymer components of the multi-polymer component melt by separating the dispersion, particles, or strands of the at least one first polymer component having an enriched first polymer component concentration from the water, the at least one dispersing agent, the at least second polymer component, and any remaining thermoplastic polymer resins present in the mixture of the multi-polymer component melt in the pressurized aqueous solution.

公开(公告)号：WO2022240625A1

公开(公告)日：2022-11-17

申请号：PCT/US2022/027580

申请日：2022-05-04

Applicant: THE PROCTER & GAMBLE COMPANY

Inventor： COLLIAS, Dimitris, Ioannis ,  WAUN, Amy, Eichstadt ,  LAYMAN, John, Moncrief

IPC: C08J11/08 ,  B01D11/0288 ,  B01D11/0292 ,  B01D11/0492 ,  B01D15/08 ,  B01D29/31 ,  B29B17/02 ,  B29B2017/0203 ,  B29B2017/0293 ,  B29K2023/06 ,  B29K2023/12 ,  C08J2323/04 ,  C08J2323/06 ,  C08J2323/10 ,  C08J2323/12 ,  C08J2423/06 ,  C08J2423/12

Abstract: A method of separating and purifying a mixed stream of contaminated reclaimed polyethylene and contaminated reclaimed polypropylene is provided. The method comprises the steps of extraction, dissolution, settling, purification, and solvent separation to produce separate streams of purified recycled polyethylene and purified recycled polypropylene. Both separate streams are produced in the same production plant operating in swing mode, and have virgin-like optical properties.

公开(公告)号：WO2022002734A1

公开(公告)日：2022-01-06

申请号：PCT/EP2021/067272

申请日：2021-06-24

Applicant: SIEGWERK DRUCKFARBEN AG & CO. KGAA

Inventor： BERGMAN, Holger ,  LEINEWEBER, Ralf

IPC: B29B17/02 ,  B29B2017/0203 ,  B29B2017/0296 ,  B29L2009/00 ,  C08K5/0016 ,  C09D101/16 ,  C09D4/06 ,  C09D5/002 ,  C09D7/63 ,  C09D7/65 ,  C09D9/00

Abstract: The present invention is related to a primer composition for delaminating and optionally deinking of a substrate (2, 2'), wherein said primer composition comprises as a first binder component a component that has a polymeric backbone with pendent hydroxy and/or carboxy groups that have been esterified or acetalised or ketalised to such an extent that the first binder component has an acid value of 0 – 50 mg KOH/g or a hydroxyl value of 0 – 600 mg KOH/g, preferably 0 – 400 mg KOH/g, and as a modifying component a soft resin, so that a primer layer (3) prepared from said primer composition is dissolvable in an alkaline aqueous medium.

公开(公告)号：WO2022029326A1

公开(公告)日：2022-02-10

申请号：PCT/EP2021/072088

申请日：2021-08-06

Applicant: APK AG

Inventor： HANEL, Hagen ,  WOHNIG, Klaus

IPC: C08J11/02 ,  C08J11/08 ,  B29B17/02 ,  B29C48/69 ,  B01D2325/20 ,  B01D61/147 ,  B01D61/18 ,  B01D61/20 ,  B01D69/12 ,  B01D71/34 ,  B01D71/56 ,  B29B13/10 ,  B29B17/0412 ,  B29B2013/005 ,  B29B2017/0015 ,  B29B2017/0203 ,  B29B2017/0224 ,  B29B2017/0231 ,  B29B2017/0293 ,  B29B2017/0476 ,  B29C2948/92209 ,  B29C48/04 ,  B29C48/05 ,  B29C48/365 ,  B29C48/767 ,  B29C48/92 ,  C08J2323/02 ,  C08J2377/00

Abstract: The invention relates to a continuous method for removing a solvent from a suspension or solution comprising a target polymer, wherein the method comprises the steps of delivering said suspension or solution to an extruder, wherein said extruder comprises a size classification unit that is designed to be permeable for the solvent and impermeable for the target polymer; and filtration and extrusion of said suspension or solution in said extruder. The invention also relates to a plastic waste recycling system for recycling a target polymer. Furthermore, the invention also relates to a polymer material obtained by this recycling method.

公开(公告)号：WO2021140087A1

公开(公告)日：2021-07-15

申请号：PCT/EP2021/050054

申请日：2021-01-05

Applicant: MYREPLAST S.R.L.

Inventor： SCLAFANI, Paola ,  MICHELETTI, Francesco ,  RIZZO, Marco ,  MOLINARI, Luigi

IPC: B29B17/02 ,  B29B17/04 ,  B29B17/0412 ,  B29B2017/0203 ,  B29B2017/0268 ,  B29B2017/0272 ,  B29B2017/0279

Abstract: The present invention concerns a method for the selection and separation of polymers originating from urban and/or industrial plastic waste to obtain plastic materials for recycling which comprises a first step of supplying a mixture of polymers composed of flakes of polymers having dimensions ranging from 6 to 100 mm; a step of identification by means of near-infrared (NIR) spectroscopy of the flakes of coloured and white plastic material and the flakes of black plastic material and subsequent separation from one other; several consecutive steps of identification by means of NIR spectroscopy of the different types of polymer from the coloured and white plastic material and subsequent separation of said polymer types.