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PROCESSES FOR RECYCLING POLYSTYRENE WASTE AND/OR POLYSTYRENE COPOLYMER WASTE

Resumen de: CN119039658A

Processes for recovering waste, such as polystyrene thermoplastic polymer waste and/or polystyrene thermoplastic copolymer waste, and recovered polystyrene thermoplastic polymers and/or recovered thermoplastic copolymers, for example, that may be obtained from such processes, are provided. The process can include dissolving the waste in cymene, xylene or ethylbenzene or a suitable solvent to obtain a mixture, then heating the mixture under acidic conditions, then heating the mixture under optional neutral conditions in the presence of a reducing agent, and then separating the mixture from the mixture. And then cooling to obtain supernate containing the polystyrene thermoplastic polymer and/or the polystyrene thermoplastic copolymer and solid waste residues. The supernatant may optionally be treated with a filter aid and then contacted with a hydrocarbon polystyrene non-solvent under conditions to obtain a precipitated polystyrene thermoplastic polymer and/or a precipitated polystyrene thermoplastic copolymer, which may be washed with an additional hydrocarbon polystyrene non-solvent, and optionally drying and forming as polystyrene thermoplastic polymer pellets and/or polystyrene thermoplastic copolymer pellets.

BINDER-CONSOLIDATED TEXTILE FABRIC, METHOD FOR ITS MANUFACTURE AND ITS USE

Resumen de: US2020017732A1

wherein a sum of components a) through e) is 100% by dry weight of the binder system. Method of making the textile fabrics consolidated with binders made from the binder systems are also described.

高分子電解質複合体を含む、フルオロカーボンフリーかつ生物由来の油及び水バリア材料

Resumen de: US2025059711A1

An aqueous polyelectrolyte (PEC) composition for application to a fibre based material for use in obtaining a barrier coating resistant to oil and water, comprises from 0.1 to 20% (w/w) of carboxymethyl cellulose (CMC) and from 0.1 to 20% of cationic starch (CS), providing PECs with a charge ratio of ≤1; from 1 to 20% (w/w) of a plasticizer; and from 1 to 15% (w/w) of a pH adjusting agent selected from an acid, a buffering system and a base.

SERVING CONTAINER FOR EXTRACTABLE SUBSTANCES FOR MAKING A BEVERAGE

Resumen de: WO2018002223A1

The invention relates to a portion container (10) for extractable substances (15), in particular for producing a beverage, comprising an interior (14) for holding the at least one extractable substance (15) in an at least substantially aroma-tight manner, which interior is surrounded by a container wall (13), wherein the extractable substance (15) is preferably selected from coffee, tea, cocoa, chocolate, or similar consumable products. The invention is characterized in that the container wall (13) is completely biodegradable.

ポリマーを含む組成物、ポリマー及びそれらの使用

Resumen de: MX2024009542A

The present invention is directed towards a composition comprising (A) at least one polymer comprising (a) a core that bears one to 50 moieties of the general formula (I), and groups of the general formula (II) wherein the asterisk stands for another group according to general formula (I), linked though X², or for C₁-C₄-alkyl, or for a group according to formula (II), or for a polyalkylene oxide chain (b), wherein X¹ are same or different and selected from C₁-C₂-alkyl and hydrogen, wherein X² are same of different and selected from C₂-C₆-alkylene, straight-chain or branched, non-substituted or substituted with one or more hydroxyl groups, esters of carboxylic acids, or ether groups, (b) polyalkylene oxide chains.

Ummantelung für zumindest einen Teilbereich eines Fasern umfassenden Behälters, Fasern umfassender Behälter umfassend mindestens eine Ummantelung und Verfahren zum Anordnen mindestens einer Ummantelung an einem Fasern umfassenden Behälter

Resumen de: DE102023122680A1

Die Erfindung betrifft eine Ummantelung für zumindest einen Teilbereich eines Fasern umfassenden Behälters (1), beispielsweise eines Fasern umfassenden Getränkebehälters, wobei die Ummantelung (2, 8, 9, 10) ausgebildet ist, eine Stützfunktion in dem zumindest einen Teilbereich des Fasern umfassenden Behälters (1) zu übernehmen. Weiter betrifft die Erfindung einen Fasern umfassender Behälter (1) umfassend mindestens eine Ummantelung (2, 8, 9, 10). Zudem betrifft die Erfindung ein Verfahren zum Anordnen mindestens einer Ummantelung (2, 8, 9, 10) an einem Fasern umfassenden Behälter (1).

COMPOSTABLE CUP WITH ANTI-ROTATION FEATURE FOR FOOD PREPARATION MACHINE

Resumen de: WO2025042734A1

A cup (22) for use with a blender (10) includes a base (30), a sidewall (34) extending from the base, and a rim (38) extending from the sidewall. The cup (22) is formed of a compostable material, and the base includes an anti-rotational feature (50) configured to withstand greater than 2.3 ft-lb of torque.

METHOD FOR CROSSLINKING POLYSACCHARIDES FROM MACROALGAE TO FORM A POLYMER MATERIAL

Resumen de: AU2023317678A1

The invention relates to a method (1) for producing a polymer material, comprising the following steps (11, 12, 13): providing carrageenan-containing macroalgae (7); adjusting the weight average of the molecular weight of the carrageenan to less than 800 000 g/mol; supplying the macroalgae (7) into a processing chamber (4); and processing the macroalgae (7) to form a polymer material in the process chamber (4). The present invention also relates to a method (2) for producing a bioplastics product in a device (3) comprising a process chamber (4) and a shaping device (10), comprising the following steps (11, 12, 13, 14, 15, 16): producing a polymer material from carrageenan-containing macroalgae (7) in the process chamber (4); and shaping the polymer material in the shaping device (10) to form a bioplastics product. The present invention also relates to a bioplastics product obtained according to the method (2).

MATTRESS WITH PAPER PACKAGING

Resumen de: WO2025040396A1

The invention describes a mattress (202) with a packaging (100), wherein the mattress (202) is arranged within the packaging (100). The packaging (100) has at least one paper layer (300, 301) with at least one coating (302) made of a weldable material, wherein the at least one paper layer (300, 301) has a mass of 80 g/m2 to 130 g/m2, in particular 84 g/m2 to 110 g/m2, and wherein a mass and/or volume ratio between the paper layer (300, 301) and the coating (302) is between 90:10 and 99:1.

JACKET FOR AT LEAST ONE PORTION OF A FIBER-COMPRISING CONTAINER, FIBER-COMPRISING CONTAINER COMPRISING AT LEAST ONE JACKET, AND METHOD FOR ARRANGING AT LEAST ONE JACKET ON A FIBER-COMPRISING CONTAINER

Resumen de: WO2025040388A1

The invention relates to a jacket for at least one portion of a fiber-comprising container (1), for example a fiber-comprising beverage container, the jacket (2, 8, 9, 10) being designed to take on a supporting function in the at least one portion of the fiber-comprising container (1). The invention also relates to a fiber-comprising container (1) comprising at least one jacket (2, 8, 9, 10). The invention additionally relates to a method for arranging at least one jacket (2, 8, 9, 10) on a fiber-comprising container (1).

DISSOLVABLE GLASS FIBRES FOR WOOD PRESERVATIVES AND DEGRADABLE COMPOSITE MATERIALS

Resumen de: US2025066245A1

A fibre structure formed from dissolvable glass fibres is provided, the dissolvable glass fibres being formed from one or more boron compounds and one or more alkali compounds. The dissolvable glass can be formed into filaments, rovings and staple fibres of varying composition, length and diameter dependent on functionality and purpose. A mixture of chemicals components are heated, melted and then drawn or extruded into dissolvable filaments, rovings and staple fibres for use in a fibre-reinforced composite part or as a preservative in the internal and surface treatment of solid wood and engineered composite panels. A water-soluble surface coating may be applied to adjust dissolution rate and facilitate binding into an air-laid nonwoven mat or incorporation into other matrices.

ABSORBENT ARTICLE PACKAGES WITH NATURAL FIBERS AND OPENING FEATURES

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.

ENVIRONMENT FRIENDLY PACKAGING MATERIALS FROM CHIA SEED BIOMASS AND THE USES THEREOF

Resumen de: US2025066087A1

The present application relates generally to a process of manufacturing an optimized packing material comprising chia seed mucilage (CSM), glycerol, and sorbitol, wherein said packaging materials have a good tensile strength (2.005 N/mm2), lower water vapor permeability (1.73×10−9 g×s×Pa/m), a good flexibility (e.g. high elongation at break, 31.729%). The optimum conditions of polyol concentration were 1.3 g of glycerol and 2.0 g of sorbitol per g of CSM. Based on these results, chia seed mucilage can successfully be used to develop biofilms with potential to be used in drug delivery and edible food coating applications. Both the process and the products are within the scope of this application.

BIODEGRADABLE NET

Resumen de: US2025066078A1

A biodegradable net comprising a polymeric composition comprising—a polymer selected from the group consisting of polyhydroxyalkanoate (PHA), copolymer of 1,4-butanediol, succinic acid and adipic acid (PBSA), polybutylene succinate (PBS) or mixtures thereof—at least one functional additive selected from the group consisting of Pentaerythrol tetrakis (3-(3,5-di-tert-butyl-4-hy-droxyphenyl)propionate), Octadecyl 3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate Tris (2, 4-di-tert-butylphenyl) phosphite, 1,3,5-Trimethyl-2, 4, 6-tris-(3, 5-di-tert-butyl-4-hydroxybenzyl) benzene, 2,4-Bis (Octyl thio) methyl)-o-cresol, 2,2′-dihydroxy-4, 4′-dimethoxy-benzophenon, Ethylene bis-(oxyethylene) his-(3-(5-tert-butyl-4-hydroxy-m-tolyl)propionate), Octadecyl-3-(3, 5-di-tert-butyl-4-hydroxy) propionate, 2′,3-Bis3-3,5-di-tert-butyl-4-hydroxyphenylpropionylpropionohydrazide, Beeswax, Carnauba wax, Candelilla wax, Sumac wax (Japanese wax), Berry wax, Paraffin wax, Silicone and its derivatives, and mixtures thereof—a nucleant selected from the group consisting of Boron Nitride, Hydroxyhepatite, Zinc Stearate, Nanocrystalline Cellulose, Montmorillonite nano clay, Single wall carbon nanotube, Multi wall carbon nanotube, Cyanuric acid, Fatty acids, Fatty acid esters, Fatty acid amines, Fatty acid metal salts, pentaerythritol, di-pentaerythritol, urea derivatives, sorbitol-based compounds, sodium benzoate and mixtures thereof.

FILM FOR FOOD PRESERVATION

Resumen de: US2025066103A1

The invention relates to a polymer film obtainable from the crosslinking reaction between pectin and carboxymethylcellulose in the presence of an organic calcium salt and a plasticiser. The film can comprise zeolite, loaded or not loaded with silver ions. The organic calcium salt is selected from: calcium propionate, calcium acetate, calcium lactate, calcium sorbate, calcium glutamate, calcium oleate, calcium palmitate, calcium laurate, calcium stearate and calcium myristate. The plasticising agent is a saturated or unsaturated fatty acid selected from: oleic acid and palmitic, stearic, lauric, myristic, myristoleic, palmitoleic and linoleic acid; polyethylene glycol; glycerol; glycerol derivatives; and citric acid salts, preferably sodium citrate. The polymer film can be laminated to at least one film/layer of plastic material, possibly biodegradable, or to a layer of paper and used for packaging foods, in particular baked products, with the aim of preserving them and extending their shelf life.

COMPOSTABLE LID FOR SEALING A CAPSULE AND A CAPSULE SEALED BY THE LID

Resumen de: US2025066089A1

Compostable lid for sealing a beverage capsule, composed of a multi-layer complex comprising at least a non-woven material containing fibres, at least 50% of which by weight are polylactic acid fibres (PLA), a film containing a polyhydroxyalcanoate (PHA) polymer other than PLA.

Improved Moisture Management Garment

Resumen de: US2025064648A1

A launderable underwear garment comprising a natural fibre based synthetic elastane free outer garment fabric having sufficient elasticity for use in a moisture management underwear garment.

Etikett für einen Behälter aus Faserstoff

Resumen de: DE102023122678A1

Behälter aus Faserstoff, insbesondere Getränkebehälter, umfassend ein Etikett für einen Behälter aus Faserstoff, insbesondere einen Getränkebehälter, gekennzeichnet dadurch, dass das Etikett dafür ausgebildet ist, eine Zusatzfunktion zu übernehmen.

FIBROUS MATERIAL CONTAINER WITH LID

Resumen de: WO2025040233A1

The invention relates to a container with a receptacle (1) having at least one opening (2) and a lid (5) for closing the opening (2), that is connected to the receptacle (1) via an elastically deformable hinge. In order to create an environmentally friendly container, the receptacle (1) is made of fibrous material and has a biodegradable or bioinert coating, wherein the lid (5) also consists of fibrous material and wherein a flexible hinge strip (6') of fibrous material attached to the lid (5) is bonded to the receptacle (1), wherein the receptacle (1) has a structural reinforcement in the region of the opening (2), and the hinge strip (6') is bonded to the receptacle (1) in the region of the structural reinforcement.

LABEL FOR A CONTAINER MADE OF FIBROUS MATERIAL

Resumen de: WO2025040543A1

A container, in particular a beverage container, made of fibrous material and comprising a label for a container, in particular a beverage container, which is made of fibrous material, characterized in that the label is designed to perform an additional function.

BIODEGRADABLE FILM FOR PACKAGING FOOD

Resumen de: KR20250027299A

본 발명은 생분해성 식품 포장용 필름에 관한 것으로, 구체적으로 폴리에틸렌계 수지, 폴리락트산 및 패각 분말을 포함하여 식품 포장용 필름의 투습도 산소 투과도 및 투명도를 향상시키고, 표면 조도를 낮게 구현하며, 생분해성 및 향균성을 향상시킬 수 있는 생분해성 식품 포장용 필름에 관한 것이다.

PRINTED MATERIAL, METHOD FOR PRODUCING PRINTED MATERIAL AND PRINTING MEDIUM FOR LASER PRINTING

Resumen de: EP4512611A2

The present invention is directed to a print product, whereinthe print product has a printed region comprising discolored titanium oxide in at least one portion of a sheet medium having a printable region comprising titanium oxide,the printable region of the sheet medium has a laminate layer comprising titanium oxide on a paper substrate,a titanium oxide content in the laminate layer is 0.1 g/m² or more,the titanium oxide content in the laminate layer is 1% by mass or more and 45% by mass or less,the laminate layer has a thickness of 10 µm or more and 200 µm or less, anda ratio between a Raman intensity assigned to titanium oxide in the printed region and a Raman intensity assigned to titanium oxide in a non-printed region is 0.70 or less.The present invention is further directed to a method for producing a print product, comprising a step of performing printing by irradiation of a printable region of a sheet medium with ultraviolet laser and thus discoloration of an irradiated region, whereinthe printable region of the sheet medium has a laminate layer comprising titanium oxide on a paper substrate,a titanium oxide content in the laminate layer is 0.1 g/m² or more,the titanium oxide content in the laminate layer is 1% by mass or more and 45% by mass or less, andthe laminate layer has a thickness of 10 µm or more and 200 µm or less.The present invention is also directed to the use of a printing medium for laser printing.

REFILL DEVICE

Resumen de: EP4512956A2

The present invention discloses a refill device, comprising a case body (31), wherein the case body (31) has an opening end (311), a first case body (312) and a case bottom (32); the case bottom (32) is integrally formed with the first case body (312); the case bottom (32) of the case body (31) is provided with a first cutting line (34) for enclosing a portion to form a bottom bracket (35); and the bottom bracket (35) is separable from the case bottom (32) along the first cutting line (34) under the action of an external force. The case bottom (32) of the present invention is integrally formed with the first case body (312), and the first cutting line (34) is provided on the case bottom (32) to form a separable bottom bracket (35), which is used in cooperation with the packaging device in the embodiment of the present invention, so that the packaging device can be reused. Integrally forming the case bottom (32) and the first case body (312) reduces the number of accessories, reduces the production cost of the product and improves the production efficiency, while reducing the logistics cost and the production cost of the filling line.

MULTILAYER DEEP-DRAWABLE PACKAGING MATERIAL

Resumen de: CN119095721A

The invention relates to a multi-layer deep-drawable packaging material having a top surface and a bottom surface, comprising at least one first paper layer and one second paper layer and at least one polymer layer, the at least one first paper layer and the second paper layer being connected to each other by means of the at least one polymer layer, wherein the at least one polymer layer contains at least one water-soluble thermoplastic polymer. Another subject of the invention is a method of producing a multilayer deep drawable packaging material comprising the steps of: (a) providing a first paper layer; (b) applying a polymer layer on the first paper layer; (c) connecting the first paper layer and the polymer layer applied to the first paper layer with the second paper layer, so that the polymer layer is positioned between the first paper layer and the second paper layer; or (a ') providing a second paper layer; (b ') applying a polymer layer on the second paper layer; (c ') connecting the second paper layer and the polymer layer applied to the second paper layer with the first paper layer, so that the polymer layer is positioned between the first paper layer and the second paper layer; wherein the polymer layer in step (b) comprises at least one water-soluble thermoplastic polymer. Another subject of the invention is the use of the multilayer deep drawable packaging material of the invention for the manufacture of packages, in particular food packages.

Compostable, bio-degradable breathable personal protective equipment (PPE)

Nº publicación: GB2632875A 26/02/2025

Solicitante:

BAWNMORE LIGHTWORKERS LTD [IE]
Bawnmore Lightworkers Limited

Resumen de: GB2632875A

The present invention accordingly provides compostable Personal Protective Equipment (PPE) comprising a compostable plant-based material. The compostable plant- based material may comprises a compostable starch-based polymer. The compostable plant-based material may comprise a compostable base material and a compostable sealer material. The PPE may be a medical apron, a medical head covering, or a medical footwear covering. The formed medical footwear may comprise a compostable drawstring configured to be tied around the user’s leg or tightened around the user’s leg when pulled. The medical footwear cover may be roughed. Also provided is a method for manufacturing compostable PPE comprising a compostable plant-based material. The compostable PPE may be formed by blow-moulding. The compostable PPE may be integrally formed from a single piece of compostable material. The compostable PPE is preferably, formed by roller cutting process.