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141
resultados
Última actualización
21/06/2025 [08:11:00]
Resumen de: WO2025123943A1
The present application relates to a starch-based composite material, a preparation method therefor and the use thereof, and a plastic product. Components of the starch-based composite material comprise: a polyester material, starch and a polyhydroxy compound, wherein on the basis of the total mass of the polyester material and the starch, the mass percentage of the polyester material is 15%-85%, and the mass percentage of the starch is 15%-85%; the mass of the polyhydroxy compound is 10%-50% of the mass of the starch; and the average particle size of the starch is less than or equal to 1μm.
Resumen de: US2025197544A1
Provided are a copolymer including a first unit derived from starch and a second unit derived from a compound represented by the Chemical Formula 1, an antibacterial deodorant composition including the same, and a preparation method thereof:wherein all the variables are described herein.
Resumen de: WO2025127104A1
The present invention pertains to a composition that contains a plasticizer and starch derived from a bulb or a derivative thereof, wherein the total amount of the plasticizer and the starch derived from a bulb or the derivative thereof is 50 mass% or more with respect to the whole mass of the composition.
Resumen de: WO2025125548A2
A dry-formed cellulose product comprising interconnected cellulose fibres. The cellulose product is arranged as a three-dimensional compressed fibre structure with an inner side and an outer side, where the inner side is delimiting an inner volume configured for holding one or more articles. The outer side comprises at least one structured zone, where the at least one structured zone is formed by a base surface and a plurality of grip elements.
Resumen de: WO2025128797A1
Disclosed are biodegradable compositions, suitable for using in packaging, containing an Ulva polysaccharide, a nanomaterial, a non-Ulva biomass, and a non-phthalate plasticizer, and methods of forming thereof.
Resumen de: US2025197071A1
The present invention relates to a paper lid (3). The paper lid (3) comprises a central lid panel (7, 31) and a fitting flange (5). The fitting flange (5) is adapted to be arranged on a receptacle (2) of a container (1). The fitting flange (5) is made of paper material, wherein the fitting flange (5) forms a radially outer side (9) of the paper lid (3). A groove (11) is formed in the radially outer side (9) of the fitting flange (5) and the groove (11) forms a thread (13) on a radially inner side (15) of the fitting flange (5). The thread (13) is made of paper material. The invention further provides a container, stack of at least two containers and a method for producing a lid.
Resumen de: US2025197600A1
A citric acid-glycidyl ether-butyl ester plasticizer and a preparation method thereof are provided. The citric acid-glycidyl ether-butyl ester plasticizer includes citric acid-diglycidyl ether-monobutyl ester (TE2B1) and/or citric acid-monoglycidyl ether-dibutyl ester (TE1B2). TE2B1 or TE1B2 is obtained by ring-opening reaction of citric acid-monobutyl ester (or citric acid-dibutyl ester) with polyethylene glycol diglycidyl ether.
Resumen de: US2025195722A1
An elongated composite for an implant comprising: one or more composite elements includes a core region including a plurality of fibrous bundles, which are preferably braided, woven, bound, interlaced and/or interlocked by bias fiber elements, and a polymerizable material or polymeric material which fills gaps between the fibrous bundles; and a covering over the one or more composite elements. The elongated composite and composite elements have a longitudinal axis and the fibrous bundles include a plurality of filaments that are twisted along the longitudinal axis and a polymeric/polymerizable matrix.
Resumen de: US2025197630A1
The invention relates to biodegradable polymer packaging films composed of a blend of different biodegradable polymers. These films provide a sustainable alternative to conventional plastic films, offering similar mechanical strength and enhanced biodegradability. The invention outlines the composition, manufacturing process, properties, and applications of the biodegradable films, which decompose under natural environmental conditions, reducing environmental pollution and contributing to a more sustainable packaging solution.
Resumen de: US2025197609A1
Disclosed are biodegradable compositions, suitable for using in packaging, containing an Ulva polysaccharide, a nanomaterial, a non-Ulva biomass, and a non-phthalate plasticizer, and methods of forming thereof.
Resumen de: US2025194616A1
The present disclosure discloses an edible film for food preservation, the edible film comprising at least 90 wt % of a first component. The first component comprises chitosan and aloe vera extract. Named parts comprised in the first component make up 100 wt % of the first component. The present disclosure also discloses a method for forming an edible film, the method comprising the steps of extracting aloe vera gel; dissolving chitosan into an aqueous solution; mixing the aloe vera gel with the chitosan solution; casting a film solution; and drying the film to form the edible film. The present disclosure also discloses a packaging for food comprising the edible film.
Resumen de: WO2025127134A1
This block copolymer comprises a block structural unit (A) containing a polylactic acid unit (a) as a main component and a block structural unit (B) containing a polyester unit (b) as a main component, wherein: the polyester unit (b) contains units derived from an aliphatic diol (b1) and an aliphatic dicarboxylic acid (b2); the aliphatic diol (b1) is an aliphatic diol having at least 4 carbon atoms and having an alkyl group as a branched chain; the content of a D-lactic acid unit in 100 mass% of the polylactic acid unit (a) is 1-50 mass%; the content of an aromatic carboxylic acid unit in 100 mass% of the polyester unit (b) is at most 20 mass%; and the melting point of the block copolymer is at most 175ºC.
Resumen de: WO2025126090A1
The present invention relates to a liquid-resistant multiply paper or paperboard, comprising: a cellulose-based back ply, wherein said back ply comprises at least two different internal sizing agents in a total amount of 2-10 kg/ton, based on the total dry weight of the back ply; a cellulose-based top ply, wherein said top ply comprises a single internal sizing agent in a total amount of 0.1-5 kg/ton, based on the total dry weight of the top ply, and wherein the total amount of internal sizing agent in the top ply is lower than in the back ply; and a first surface sizing layer applied on the outermost surface of the back ply, wherein the first surface sizing layer has a coat weight of 0.5-3 g/m2 and comprises at least one hydrophobic surface sizing agent and at least one binder. The invention further relates to a method for manufacturing a liquid-resistant multiply paper or paperboard.
Resumen de: WO2024033455A1
The invention concerns a composition suitable for forming a bioplastic or thermoplastic starch derived from pulse starch, and its use in producing biodegradable films and packaging, more particularly to cold water-soluble starch-based films for packaging.
Resumen de: EP4570498A1
The present invention relates to a biodegradable biaxially oriented film, to a process for preparing the same, and to an environmentally friendly packaging material comprising the same. The biodegradable biaxially oriented film comprises a first outer layer; a second outer layer; and a core layer interposed between the first outer layer and the second outer layer, wherein the core layer has a multilayer structure in which a first resin layer and a second resin layer are alternately laminated, the first resin layer comprises a first composition comprising a polylactic acid-based polymer, the second resin layer comprises a second composition comprising a polyhydroxyalkanoate-based polymer, and the first outer layer and the second outer layer each comprise the first composition, wherein the content of the polyhydroxyalkanoate-based polymer is 20% by weight or more based on the total weight of the first composition and the second composition contained in the first outer layer, the second outer layer, and the core layer.
Resumen de: CN119698380A
The present invention relates to a system (100) for preparing compostable capsules (900) for brewing products. Wherein the capsule (900) is made of a sheet (600) made of a biodegradable cellulose-based material. The system (100) comprises at least one forming line (200) comprising a handling unit (300) for conveying a sheet (600) through the system (100) in a conveying direction (TD). The forming line (200) further comprises a humidification unit (400) for wetting at least one side of the sheet (600) with a wetting agent (401), and a forming unit (800) for forming a portion of the wetted sheet (600) into a three-dimensional shape to form an encapsulation element (910) defining an encapsulation cavity (911). The portion (642) is located between opposite lateral side edge sections (631, 632) of the sheet (600) with respect to the transport direction (TD). The forming line (200) further comprises a transverse drying unit (500) arranged to dry the opposite transverse side edge sections (631, 632) of the wet sheet (641) while keeping at least the portion (642) to be formed wet. Wherein the transverse drying unit (500) is arranged downstream of the humidifying unit (400) and upstream of the forming unit (800). The invention also relates to a method for preparing a compostable capsule (900) in which the opposite lateral side edge sections (631, 632) of a wet sheet (641) are dried while at least the portion (642) to be formed is kept wet prior to forming the portion (642) of the wet
Resumen de: WO2024036206A1
The present invention relates to a polysaccharide and methods of making the polysaccharide. In particular, the present invention relates to polysaccharides having physical properties which are desirable in, at least, food and beverage products. In particular, the present invention relates to methods of making polysaccharides having physical properties that are desirable in, at least, food and beverage products.
Resumen de: PL447047A1
Przedmiotem zgłoszenia są włókna z polilaktydu wytwarzane metodą stopową, o przyspieszonej biogradowalności i polepszonych właściwościach wytrzymałościowych, oprócz polimeru włóknotwórczego, które zawierają dodatek modyfikatora w postaci cytrynianu trietylu lub adypinianu bis(2-etyloheksylu). Zgłoszenie zawiera także sposób wytwarzania metodą stopową włókien z polilaktydu opisanych powyżej, z wykorzystaniem procesów suszenia polilaktydu, przędzenia włókien z polilaktydu przy użyciu przędzarki wyposażonej w ekstruder, w którym następuje stopienie polilaktydu, oraz w głowicę, w której następuje przetłaczanie stopionego polilaktydu przez otwory filiery czyli formowanie włókien, a następnie rozciągania otrzymanych włókien z wykorzystaniem oddzielnego, niezależnego urządzenia, polega na tym, że przed procesem przędzenia, polilaktyd w stanie plastycznym miesza się z cytrynianem trietylu lub adypinianem bis(2-etyloheksylu), w wytłaczarce korzystnie w temperaturze 160°C - 220°C, po czym otrzymane żyłki modyfikowanego polilaktydu schładza się w wodzie, suszy do stałej masy w temperaturze 35°C pod obniżonym ciśnieniem i poddaje przędzeniu w strefie grzewczej ekstrudera o temperaturze 140°C - 180°C, przy temperaturze głowicy 190°C, przy wydajności tłoczenia 28,5 g/min i szybkości odbioru włókien 900 m/min. Proces rozciągania surowych włókien prowadzi się korzystnie przy krotności rozciągu 2,80 — 3,28 w tempe
Resumen de: WO2025121937A1
The present invention provides: a biodegradable composition comprising polybutylene adipate terephthalate and thermoplastic starch and having a predetermined specific recovery area; and a biodegradable film.
Resumen de: WO2025121940A1
The present invention provides a biodegradable composition comprising polybutylene adipate terephthalate, with a maleic acid bonded to a terminal hydroxyl group thereof through an ester linkage, and having a predetermined peak area ratio, and a biodegradable film.
Resumen de: JP2022086218A
To provide a film that has a small elution amount of starch to water though containing the starch as a biomass material, and enables primary packaging of a food product.SOLUTION: A starch non-elutable film is formed of a thermoplastic resin containing starch. The starch non-elutability of the film is non-elutability determined by a potassium permanganate consumption test for evaluating elutability of starch contained in the film to water. The starch is plasticized starch. The starch is corn starch and/or tapioca starch.SELECTED DRAWING: None
Resumen de: US2025179241A1
The present invention provides a biodegradable resin composition and a biodegradable molded article including the same, wherein the biodegradable resin composition includes: a first biodegradable resin including a first repeating unit derived from a diol, a second repeating unit derived from aromatic dicarboxylic acid, and a third repeating unit derived from aliphatic dicarboxylic acid; and a crystallization accelerator, wherein the crystallization accelerator is included in a content of 100 ppm to 50,000 ppm, and an isothermal crystallization time at 90° C. according to Measurement Method 1 (see the detailed description) is 10 seconds to 900 seconds.
Resumen de: WO2023229212A1
An example provides a biodegradable polyester resin composition comprising: a polyester resin comprising a diol, an aromatic dicarboxylic acid, and an aliphatic dicarboxylic acid; and a hydrophilic modifier having a molecular weight of 400 to 1,300 in an amount of 5,000 ppm to 20,000 ppm, wherein the hydrophilic modifier may include an oligomer formed by a reaction of at least two of the diol, the aromatic dicarboxylic acid, and the aliphatic dicarboxylic acid.
Resumen de: WO2023229215A1
Embodiments provide a biodegradable polyester resin composition comprising a polyester resin including diols, an aromatic dicarboxylic acid, and an aliphatic dicarboxylic acid, wherein the polyester resin has an alternating ratio of 0.3-0.7, and the alternating ratio is a ratio of diols bound between the aromatic dicarboxylic acid and the aliphatic dicarboxylic acid to the diols.
Nº publicación: JP2025517943A 12/06/2025
Solicitante:
シージェイチェイルジェダンコーポレーション
Resumen de: CN119300984A
The invention relates to an environment-friendly laminated part and a packaging material comprising the same. More specifically, the laminate according to one embodiment of the present invention comprises: a paper layer and a film layer, thereby having high recoverability, being readily decomposed in soil and ocean, and having excellent barrier properties against oxygen and/or moisture, sealing properties, and the like.
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