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121
resultados
Última actualización
18/04/2025 [07:00:00]
Resumen de: AU2023355907A1
Provided is a multilayered biodegradable sheet having at least three layers, such as three layers or five layers, wherein a first outer polymer layer comprises polybutylene succinate (PBSA) and polylactic acid (PLA); a second outer polymer layer comprises polycaprolactone (PCL) and PLA; and a core layer comprises polybutylene adipate terephthalate (PBAT).
Resumen de: AU2023374061A1
The present invention relates to biobased binder compositions which are environmentally benign, renewable, compostable and/or biodegradable. The biobased compositions comprise chitosan, an acid and a plasticizer. By treating a nonwoven material with a biobased binder according to the present invention, it is possible to provide a nonwoven material exhibiting excellent mechanical properties. The binder composition according to the present invention is easy to use for treatment of different types of nonwoven materials and can be adapted to provide specific properties to certain nonwoven materials and applications.
Resumen de: AU2023355799A1
The present invention relates to a biodegradable polymer blend based on a biodegradable aliphatic aromatic polyester and/or aliphatic polyester comprising: The blend comprises - 10 to 80% by weight, based on the total weight of polyester a), polymer b) and polycaprolactone c), of at least one biodegradable polyester a) selected from the group consisting of aliphatic-aromatic polyesters, aliphatic polyesters, which are different from polymers b) and c), and mixtures thereof; - 18 to 88% by weight, based on the total weight of polyester a), polymer b) and polycaprolactone c), of at least one polymer b), selected from the group consisting of polyhydroxyalkanoates, polylactides, polyglycolic acid and mixtures thereof; - 2 to 72% by weight, based on the total weight of polyester a), polymer b) and polycaprolactone c), of at least one polycaprolactone c) having a viscosity number of at least 110 ml/g, in particular at least 150 ml/g, preferably at least 200 ml/g, especially at least 250 ml/g, as determined according to DIN 53728- 3:1985-1; wherein the total weight of polyester a), polymer b) and polycaprolactone c) is at least 50% by weight, based on the total weight of the blend. The present invention relates to the use of the blend for coating substrates or for producing a rigid packaging article, to a mono-layered or multi-layered film comprising at least one layer comprising a biodegradable polymer blend, as defined hereinafter and to a process for coating a substrate layer. Th
Resumen de: US2025100032A1
The present invention relates to a method for digesting biodegradable packaging waste and an apparatus thereof. Specifically, the present invention relates to a method of treating biodegradable packaging waste prior to subjecting the biodegradable packaging waste to a biological valorisation process and an apparatus thereof. The apparatus includes a tank for receiving the biodegradable packaging waste therein, the tank comprises a top portion and a bottom portion below the top portion, an air supply module adapted to supply air into the tank, a microbe injector adapted to inject mesophilic microbe into the tank, such that the tank is adapted to receive the biodegradable packaging waste, air and mesophilic microbe therein, wherein the biodegradable packaging waste is subjected to mesophilic aerobic digestion prior to conveying the biodegradable packaging waste from the tank to a biological valorisation system to subject the biodegradable packaging waste to the biological valorisation process.
Resumen de: AU2023283306A1
An edible container made of upcycled spent brewers grain, upcycled oat protein, and starch. A dough containing the upcycled spent brewers grain, the upcycled oat protein, and the starch is placed in a mold and baked under high heat, and high pressure conditions to form an upcycled, nutritious, edible container that can hold hot liquids, including boiling liquids, for extended penods of time without degrading, and without the addition of a separate coating.
Resumen de: WO2023237407A1
The present invention relates to a fabric comprising a plurality of fibers, wherein the plurality of fibers are made of a fiber material comprising a cellulose ether and wherein the plurality of fibers form a nonwoven web. The present invention further relates to a corresponding method of producing a fabric comprising a nonwoven web.
Resumen de: US2020332469A1
The present invention discloses a paperboard for packaging of liquid and frozen food, comprising a dispersion coating as the only barrier layer on its outside/print side. It has surprisingly been found that a dispersion coating comprising latex and pigment applied on the outside/print side of a paperboard for liquid and/or frozen food may serve as the only barrier against moisture arising from condensation.
Resumen de: EP4480701A2
Multilayer biodegradable film particularly suitable for use in the manufacture of packaging, comprising at least one layer (A) comprising at least one aliphatic-aromatic biodegradable polyester blended with an aliphatic polyester having at least 70% in moles of succinic acid, and at least one layer (B) comprising a polymer composition comprising an aliphatic-aromatic polymer. The film has high mechanical properties, in particular a high elastic modulus, and appreciable optical transparency properties.
Resumen de: MX2024010972A
Process for manufacturing a biodegradable compound, said process comprising the steps of, in order: â¿¢ (i) providing an extruder with at least one rotating screw, at least two feeding units suitable for being fed with ingredients, and an extruder die, â¿¢ (ii) feeding the first feeding unit with a PHA polymer and maleic anhydride (MA), â¿¢ (iii) feeding the second feeding unit with cellulosic fibres, â¿¢ (iv) rotating the screw to mix the PHA and maleic anhydride ingredients and graft said maleic anhydride onto said PHA molecules to form PHA grafted with MA ("PHA-g-MA") in an amount of 1 to 10%, preferably 1 to 3% of the total content of PHA, and then mixing said PHA-g-MA with cellulosic fibres to form a molten compound of PHA-g-MA and cellulosic fibres, â¿¢ (v) passing said molten compound through said extruder die and shaping said extruded compound into different compound formats.
Resumen de: MX2024010969A
The present invention concerns a 1. tridimensional hollow container for containing an edible product, said container having a body formed of a first polymeric layer formed of polyhydroxyalcanoate (PHA) having a thickness comprised between 50 µm and 1.5 mm, and wherein: (i) said container body comprises a second layer deposited onto the internal surface of said first layer, and comprising a metalloid, a carbon thin film, or a combination thereof, said second layer having a thickness lower than 100 nm, and (ii) said container body further comprises an intermediate polymeric layer located between said first and second layers, said intermediate layer having a roughness mean square value ("RMS") below 20 nm, said intermediate layer having a thickness comprised between 1 and 100 µm.
Resumen de: EP4442766A1
In the present disclosure, there is provided a biodegradable film including a hydroxyalkanoate-lactide copolymer and polybutylene adipate terephthalate (PBAT).
Resumen de: WO2025076326A1
A high strength and biodegradable polymer film comprising a blend of a polylactic acid (PLA) copolymer, a flexible polymer linker, and optionally a compostable polyester segment is disclosed. Upon biaxially stretching, the disclosed polymer film exhibits unexpectedly high tensile strengths and high impact strengths while providing high flexibility as measured according to various standards such as ASTM D882, D3420, and D1709 The disclosed films are formulated to meet common industrial composting standards as defined by ASTM D6400, EN 13432, and ISO 17088, as well as exhibit accelerated biodegradation rates at lower temperatures for home composting applications.
Resumen de: WO2025074787A1
The purpose of the present disclosure is to provide a thermoplastic starch composition that is rarely discolored and has fluidity. The thermoplastic starch composition according to the present disclosure comprises starch, a plasticizer for starch, and a halogenated metal salt, and has a melt flow rate of 0.01 g/10 min or more at a temperature of 160°C under a load of 5 kg as determined in accordance with JIS K7210.
Resumen de: WO2025074872A1
This resin composition for T-die extrusion molding comprises: 100 parts by weight of poly(3-hydroxyalkanoate) resin (A); 0.3 to 3 parts by weight of layered clay mineral (B) having an average particle diameter D50 of 1 to 5 μm and a specific surface area as determined by BET of 10-40 m2/g; and 0.3 to 3 parts by weight of aliphatic acid amide compound (C). The resin composition demonstrates a melt viscosity of 300 to 1000 Pa.s as determined at 175°C and a shear velocity of 122 s-1.
Resumen de: US2025114994A1
A high strength and biodegradable polymer film comprising a blend of a polylactic acid (PLA) copolymer, a flexible polymer linker, and optionally a compostable polyester segment is disclosed. Upon biaxially stretching, the disclosed polymer film exhibits unexpectedly high tensile strengths and high impact strengths while providing high flexibility as measured according to various standards such as ASTM D882, D3420, and D1709. The disclosed films are formulated to meet common industrial composting standards as defined by ASTM D6400, EN 13432, and ISO 17088, as well as exhibit accelerated biodegradation rates at lower temperatures for home composting applications.
Resumen de: US2025115418A1
Provided is an extraction bag in which an accessory member can be appropriately joined to a sheet constituting the extraction bag, even in a case where biodegradable polylactic acid resins are adopted as a resin for a nonwoven fabric for use in the sheet and as a resin for a laminate for use in the accessory member of the extraction bag, without damaging the nonwoven fabric side. An extraction bag 100 including a spunbond nonwoven fabric layer 10 containing a polylactic acid resin and an accessory member 20 which are joined, wherein a laminate layer 21 containing a polylactic acid resin is provided on at least a surface of the accessory member 20 in contact with the spunbond nonwoven fabric layer 10, and wherein a degree of crystallinity of the polylactic acid resin contained in the laminate layer 21 is set to be smaller than a degree of crystallinity of the polylactic acid resin contained in the spunbond nonwoven fabric layer 10.
Resumen de: US2025115417A1
A cartridge for use in making a beverage includes an outer housing defining an inner space with a first chamber and a second chamber defined therein. A first quantity of a first beverage component is disposed in the first chamber and a second quantity of a second beverage component is disposed in the second chamber.
Resumen de: DE102023209802A1
Die Erfindung betrifft eine schwefelvernetzbare Kautschukmischung, insbesondere für den Laufstreifen von Fahrzeugreifen, enthaltend wenigstens folgende Bestandteile:- zumindest einen Dienkautschuk,- 5 bis 70 phr (Gewichtsteile, bezogen auf 100 Gewichtsteile der gesamten Kautschuke in der Mischung) zumindest eines Terpenharzes,- 5 bis 80 phr zumindest eines Kautschukregenerates, und- 40 - 350 phr zumindest eines Füllstoffes.
Resumen de: US2025064652A1
A package of one or more absorbent articles is disclosed. The package includes a package material enclosing the one or more absorbent articles. The package material has natural fibers and forms a front panel, a back panel opposite the front panel, a first side panel, a second side panel opposite the first side panel, a top panel, and a bottom panel opposite the top panel. The panels define an interior compartment. The package material has a Basis Weight of between about 55 gsm and about 115 gsm, according to the Basis Weight Test Method. The package has a weakened region. The package is sealed such that the one or more absorbent articles are enclosed in the interior compartment.
Resumen de: JP2025059575A
【課題】ムチンの重量比率が高く、ビーズの形成が抑制され、製造時の操作性が改善されたムチンナノファイバーを製造し得る、ムチンナノファイバーの製造方法およびその利用を提供する。【解決手段】ムチンと水溶性ポリマーとを含有する原料溶液であって、ムチンおよび水溶性ポリマーの全重量に対するムチンの重量の割合が５０重量％超であり、ｐＨがムチンの等電点以上である原料溶液を、エレクトロスピニングに供して、ムチンナノファイバーを得る。【選択図】なし
Resumen de: WO2025076512A1
A cartridge for use in making a beverage includes an outer housing defining an inner space with a first chamber and a second chamber defined therein. A first quantity of a first beverage component is disposed in the first chamber and a second quantity of a second beverage component is disposed in the second chamber.
Resumen de: WO2025075152A1
This granular body contains cross-linked resin particles (A) and an aggregation preventing agent (B), and has a median size of 20 µm to 10 mm. The cross-linked resin particles (A) contain a polyhydroxyalkanoate-based resin, and has a gel fraction of 50% or more and a volume average particle size of 0.1-10 µm. The granular body can be produced by preparing an aqueous dispersion liquid containing the cross-linked resin particles (A) and the aggregation preventing agent (B), and spraying and drying the aqueous dispersion liquid. This thermoplastic resin composition can be formed by including the granular body and a thermoplastic resin (C).
Resumen de: WO2025075123A1
The present invention addresses the problem of providing a novel thermoplastic resin composition capable of providing a molding with excellent impact resistance. The problem is solved by a thermoplastic resin composition comprising crosslinked resin particles, which contain a biodegradable resin having a glass transition temperature of less than 0° C, a gel fraction of 50% or more, and a volume average particle diameter of 0.05-10.00 μm or a median diameter of 0.05-10.00 μm, and a thermoplastic resin, wherein the thermoplastic resin composition: has a sea-island structure in which the thermoplastic resin forms a sea structure and the crosslinked resin particles form island structures; and satisfies at least one of (1) to (3). (1) The single particle index for the crosslinked resin particles is 0.30-1.00, (2) the monodispersity of the crosslinked resin particles is 0.20-1.00, and (3) the average degree of aggregation of the crosslinked resin particles is 1.0-5.0.
Resumen de: WO2025075120A1
The present invention addresses the problem of providing: a thermoplastic resin composition able to yield a molded body having excellent impact strength; and a film molded body or sheet molded body having excellent impact strength. The problem can be solved by providing: a thermoplastic resin composition which contains a thermoplastic resin (A) and a polyhydroxyalkanoate-based resin and contains specified quantities of crosslinked resin particles (B) having a gel fraction of 50% or more and an inorganic filler (C); and a film molded body or sheet molded body which is obtained by molding said thermoplastic resin composition and has a specified thickness and falling weight impact strength.
Nº publicación: WO2025075124A1 10/04/2025
Solicitante:
KANEKA CORP [JP]
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Resumen de: WO2025075124A1
The present invention addresses the problem of providing a molded film or molded sheet that has exceptional tear resistance and/or impact resistance. The present invention provides a molded film or sheet obtained by molding a thermoplastic resin composition containing specific amounts of a thermoplastic resin (A) and crosslinked resin particles (B) containing a polyhydroxyalkanoate resin and having a gel fraction of at least 50%. The thermoplastic resin composition has an Elmendorf tear strength of at least 3 N/mm or a puncture impact strength of at least 0.3 J.
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