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    VERFAHREN UND VORRICHTUNG ZUR DETEKTION EINES TYPS EINES KUNSTSTOFFMATERIALS
    1.
    发明公开
    VERFAHREN UND VORRICHTUNG ZUR DETEKTION EINES TYPS EINES KUNSTSTOFFMATERIALS 审中-公开

    公开(公告)号：EP4459263A1

    公开(公告)日：2024-11-06

    申请号：EP24172150.5

    申请日：2024-04-24

    申请人： Sensor-Instruments Entwicklungs- und Vertriebs-GmbH

    发明人： BRAUMANDL, Walter ,  BRAUMANDL, Benedikt

    IPC分类号： G01N21/3563 ,  B29B17/02 ,  B07C5/342 ,  G01N21/85

    摘要： Es werden verschiedene Vorrichtungen und Verfahren zur Identifizierung unterschiedlicher, insbesondere geschwärzter Kunststoffmaterialien bereitgestellt. Gemäß einem Aspekt wird dabei ein Typ bzw. eine Art eines Kunststoffmaterials (200) dadurch bestimmt, dass Intensitäten von reflektiertem Licht im mittleren Infrarotbereich bei Wellenlängen über 2,2 µm detektiert werden. Eine Verwendung eines Heizstrahlers (20), der insbesondere in diesem Wellenlängenbereich emittiert, ermöglicht auf einfache Weise eine Anregung in dem gesamten MIR-Bereich sowie eine Detektion der Reflexion bei mehreren, beispielsweise fünf oder acht unterschiedlichen Wellenlängen bzw. Wellenlängenbereichen. Auf diese Weise können insbesondere Carbon-Black-Materialien zuverlässig voneinander unterschieden werden.

    REPULPABLE AND RECYCLABLE COMPOSITE PACKAGING ARTICLES AND RELATED METHODS
    3.
    发明公开
    REPULPABLE AND RECYCLABLE COMPOSITE PACKAGING ARTICLES AND RELATED METHODS 审中-公开

    公开(公告)号：EP4338919A3

    公开(公告)日：2024-10-23

    申请号：EP24155846.9

    申请日：2014-03-14

    申请人： Smart Planet Technologies, Inc.

    发明人： Tilton, Christopher R.

    IPC分类号： B32B27/10 ,  C08J5/04 ,  B29B17/04 ,  D21J1/08 ,  D21F11/12 ,  B29B17/02 ,  B05D1/26 ,  B32B27/12 ,  B32B27/20 ,  C08J11/06 ,  B29B17/00 ,  B32B19/02

    摘要： Unexpectedly unique and environmentally friendly composite material structures, storage articles fabricated therefrom, and related methods. The composite structure includes at least one or more fiber-containing layers, such as fiberboard or other layers having fibers from natural and/or synthetic sources, and one or more mineral-containing layers. The mineral-containing layer(s) comprises a thermoplastic bonding agent fixing the mineral particles in place. The fiber-containing layer(s) and mineral-containing layer(s) can be shaped, sized, and manufactured such that the composite structure formed therefrom is capable of being machined to form the storage article. The composite structure can be repulped and recycled without the use of dispersions, emulsions, or aqueous solutions. Further, the composite reduces layer mass requirements for heat seal, barrier, and fiber adhesion compared to polymer layers. The composite structure further has tensile strength and other structural characteristics that allow it to be readily machined into desired storage article forms.

    METHOD FOR PREPARING A FRACTION OF SORTED PLASTIC WASTE AND RECYLING PLANT
    7.
    发明公开
    METHOD FOR PREPARING A FRACTION OF SORTED PLASTIC WASTE AND RECYLING PLANT 审中-公开

    公开(公告)号：EP4424487A1

    公开(公告)日：2024-09-04

    申请号：EP23159833.5

    申请日：2023-03-03

    申请人： Borealis AG

    发明人： VOIGT, Björn ,  VANDERSPIKKEN, Jelle ,  SCHNEIDER, Horst ,  KUUSISTO, Mika ,  OLLIER, Nathalie ,  WYKOPAL, Petra

    IPC分类号： B29B17/02 ,  B29K105/26

    CPC分类号： B29B17/02 ,  B29B2017/020320130101

    摘要： A method for preparing a fraction of sorted plastic waste in at least one first container (10), and a recycling plant for carrying out the method are provided. The method comprises a step of pre-processing of multifractional plastic waste by sorting the plastic waste into at least a first fraction and a second fraction according to physical, chemical and/or optical properties of the plastic waste by a sorting unit. The method comprises a step of filling at least a part of the first fraction through an inlet (11) of a first container (10) by a first filling unit (112, 1111) at a container filling position, a step of mono-fractionally storing the part of the first fraction in the first container (10) at an intermediate storing position, and a step of mono-fractionally post-processing the part of the first fraction by at least one post-processing unit.

    METHOD FOR RECYCLING POST-CONSUMER ABSORBENT ARTICLE
    9.
    发明公开
    METHOD FOR RECYCLING POST-CONSUMER ABSORBENT ARTICLE 审中-公开

    公开(公告)号：EP4417388A1

    公开(公告)日：2024-08-21

    申请号：EP23305218.2

    申请日：2023-02-20

    申请人： Bostik SA

    发明人： BELLINI, Clement ,  LAFERTE, Olivier

    IPC分类号： B29B17/02 ,  A61F13/00 ,  A61L15/16

    CPC分类号： B29B17/02 ,  B29B2017/029620130101 ,  B29L2009/0020130101 ,  B29L2031/487820130101 ,  A61F13/49

    摘要： The present invention relates to a method for recovering plastic material(s) from a post-consumer disposable absorbent article comprising a topsheet, a backsheet, an absorbent core, a hot melt adhesive composition H, wherein at least one of the topsheet and the backsheet comprises at least one plastic material,
    wherein the hot melt adhesive composition H comprises:
    ∘ at least one polymer P selected from the group consisting of polyolefins, thermoplastic block copolymers of a vinyl-based aromatic hydrocarbon and a conjugated diene compound, and mixtures thereof;
    ∘ at least one tackifier T comprising at least one ester group or carboxylic acid group;

    the method being characterized in that it comprises:
    - a step i) of providing a post-consumer disposable absorbent article,
    - a step ii) of immersing the post-consumer disposable absorbent article in an alkaline aqueous solution in conditions sufficient to obtain debonding of plastic material(s),
    - a step iii) of separation and recovering of plastic material(s) from the medium.