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134
resultados
Última actualización
18/06/2025 [07:14:00]
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: AU2025201132A1
Abstract: A biodegradable polymer composition, according to the present invention, comprises polyhydroxybutyrate and poly(3- hydroxybutyrate-co-3-hydroxyhexanoate) blended with thermoplastic starch, one or more compatibilizers selected from the group consisting of dihexyl sodium sulfosuccinate and maleic anhydride, and one or more additives selected from the group consisting of microcrystalline cellulose and cellulose. Methods of producing a biodegradable polymer use processed cannabis waste as a carbon source.
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: CN119343789A
The invention relates to a method for using an aqueous dispersion of a polymer P, which can be obtained by radically initiated emulsion polymerization, as a polymeric binder in an electrode slurry composition for the anode of a secondary battery, the present invention relates to an aqueous polymer dispersion itself and a method for preparing the aqueous dispersion by radically initiated emulsion polymerization, an electrode slurry composition for an anode comprising the polymer P, a secondary battery anode comprising the polymer P, a method for preparing the anode, and a lithium ion secondary battery comprising the anode, the emulsion polymerization comprises polymerizing (a) 40 to 75 parts by weight of at least one vinyl aromatic compound, (b) 22.5 to 55 parts by weight of at least one conjugated aliphatic diene, at a polymerization temperature in the range of 70 to 95 DEG C, (c) 0.5 to 10 parts by weight of at least one ethylenically unsaturated monomer containing an acid group (d1) 1 to 5 parts by weight of acrylamide and/or methacrylamide; (d2) 1 to 10 parts by weight of acrylonitrile and/or methacrylonitrile (e) 0 to 5 parts by weight of monoethylenically unsaturated monomers having at least one epoxy, hydroxyl, N-hydroxymethyl or carbonyl group (f) 0 to 20 parts by weight of at least one other monoethylenically unsaturated monomer, wherein the amounts of these monomers (a) to (f) sum to 100 parts by weight.
Resumen de: CN119585355A
Provided are a biodegradable resin composition and a biodegradable molded article, the biodegradable resin composition comprising (A) a polyolefin-based compound, (B) a biodegradable resin, (C) an aliphatic-aromatic copolyester-based compound, and (D) a modified polyolefin-based compound, in which the content of the aliphatic-aromatic copolyester is less than or equal to the total content of (A) to (D), and the content of the modified polyolefin-based compound is less than or equal to the total content of (A) to (D). (A) the polyolefin-based compound is contained in an amount of 7 to 30 wt% with respect to the sum of (A) to (D), and the sum of (C) the aliphatic-aromatic copolyester-based compound and (D) the modified polyolefin-based compound is contained in an amount of 45 to 80 wt% with respect to the sum of (A) to (D).
Resumen de: WO2025121938A1
The present invention provides: a biodegradable composition comprising a polybutylene adipate terephthalate and a polybutylene adipate terephthalate in which a maleic acid is ester-bonded to a terminal hydroxyl group; and a biodegradable film.
Resumen de: WO2025120952A1
The present invention includes a poly(3-hydroxyalkanoate) resin (A) and an aliphatic aromatic polyester resin (B). The resin (A) includes: a copolymer (A1) of a 3-hydroxybutyrate unit and another hydroxyalkanoate unit, the other hydroxyalkanoate unit fraction being at least 5 mol% but less than 24 mol%, and the weight average molecular weight of the copolymer (A1) being less than 700,000; and a copolymer (A4) of a 3-hydroxybutyrate unit and another hydroxyalkanoate unit, the other hydroxyalkanoate unit fraction being at least 5 mol% but less than 24 mol%, and the weight average molecular weight being at least 700,000. The copolymer (A1) content is 25-65 wt%, the copolymer (A4) content is 5-30 wt%, and the resin (B) content is 5-30 wt%.
Resumen de: JP7692106B1
【課題】ポリヒドロキシアルカノエート（ＰＨＡ）粉体造粒物のメルトメモリー効果を有効に利用して、射出成形によりＰＨＡ成形体を製造する方法を提供する。【解決手段】成形体の製造方法は、射出成形機によりＰＨＡを射出成形することを含む。前記射出成形は、ＰＨＡ粉体を含む粉体造粒物を可塑化溶融温度ＴＰ（単位：℃）で溶融して溶融物を得ること、前記溶融物を金型に注入すること、及び前記溶融物を冷却して固化することを含む。前記可塑化溶融温度ＴＰは、式（１）ＴＭ－２０＜ＴＰ≦ＴＭ＋２０ （１）（式中、ＴＭ（単位：℃）は、窒素雰囲気中で前記粉体造粒物を室温から１０℃／ｍｉｎの速度で昇温させる示差走査熱量測定において観測される最高融解ピーク温度を表す。）を満たす。【選択図】図１
Resumen de: US2025188283A1
An embodiment polypropylene composition includes a composite including wood flour and a low molecular weight hydrocarbon-based material, a highly crystalline polypropylene-based resin, a graft-modified polypropylene-based resin, and a fiber filler. In an embodiment, the composition includes 35 wt % to 45 wt % of the composite, 30 wt % to 40 wt % of the highly crystalline polypropylene-based resin, 1 wt % to 5 wt % of the graft-modified polypropylene-based resin, and 15 wt % to 25 wt % of the fiber filler.
Resumen de: US2025187360A1
The present invention relates to a smart and secure label stock with security features. The present invention relates to a label stock produced from a substrate utilizing adhesive and liner materials and having a plurality of security features on the rear side of the substrate made using specialized inks and various authentication features for different applications.
Resumen de: WO2024133727A1
The present invention relates to a removable lid (100) for closing in an attachment direction (190) an opening (211) of a receptacle (210) for holding food products (220), whereby the receptacle (210) has a circumferential rim portion (212) surrounding the opening (211). The lid (100) is composed of two or more individual lid parts (101, 102) that are respectively integrally made by moulding pulp and that complement each other to form the lid (100). The lid (100) comprises a cover portion (110) for covering the receptacle opening (211), a skirt portion (120) that extends from the cover portion (110) to circumferentially delimit together with the cover portion (110) a receiving space (105) for receiving the rim portion (212) inside the lid (100) when closing the opening (211) with the lid (100), and a fastening structure (140) for providing a form- and/or force-closed connection. The fastening structure (140) protrudes laterally from a lateral inner side (121) of the skirt portion (120) towards and into the receiving space (105) in a direction transversely to the attachment direction (190). Therein, at least two of the lid parts (101, 102) comprise each at least a section of the fastening structure (140). The invention relates further to as system (200) for storing food products (220), comprising said removable lid (100) and a receptacle (210) for food products.
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.
Resumen de: US2025187315A1
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, the first outer layer and the second outer layer comprise a first composition comprising a polylactic acid-based polymer, and the second resin layer comprises a second composition comprising a polyhydroxyalkanoate-based polymer, 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.
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.
Resumen de: WO2024028249A1
The invention relates to a capsule (1) for receiving a substance for preparing a beverage, said capsule comprising a body having a side wall (2) bordered on either side by a base (3) and by a rim (4) surrounding an opening (5) in said body, the body being formed by moulding a cellulose pulp, and said pulp comprising microfibrillated cellulose (MFC).
Resumen de: WO2024028248A1
The invention relates to a capsule (1) for receiving a substance for preparing a beverage, said capsule comprising a body having a side wall (2) bordered on either side by a base (3) and by a rim (4) surrounding an opening (5) in said body, the body being formed by moulding a cellulose pulp, and the side wall (2) of said body being covered with a sealing label (18).
Resumen de: GB2636057A
A bioplastic film includes a first surface and a second surface, wherein the first surface denotes an inner facing surface and the second surface denotes an exterior facing surface, wherein the bioplastic film is comprised of a polypeptide-based or polysaccharide-based biopolymer, or a mixture of polypeptide- based and polysaccharide based biopolymer, and a bioplasticiser substance; and wherein the inner product-facing surface of the bioplastic film comprises a coating that includes alpha eleostearic acid as a major component. The bioplastic may be chosen from gelatine, starch, cellulose, glycogen, chitosan, pectin, carrageen, or derivatives thereof. The bioplasticiser may be chosen from castor oil, palm oil, citrates, glycolates, succinates, glutamates, stearates, oleates cadanols or polyhydric alcohols. Preferably, the bioplasticiser is poly(glycerol-citrate) (PCG). Preferably the coating is tung oil or bitter melon seed oil. In an embodiment, the bioplastic is pectin, the bioplasticiser is PCG and the coating is tung oil. The films are preferably used in packaging and methods for making them are also disclosed.
Resumen de: EP4567056A1
The present invention can provide a copolyester derived from 3-hydroxybutyric acid and a method for producing the copolyester, the copolyester being capable of suppressing hydrolysis and odors by controlling an acid value attributable to a degradation product to a certain value or lower while exhibiting high biodegradability. The copolyester of the present invention includes a 3HB-derived constituent unit (3HB-U), a DA-derived constituent unit (DA-U), and a DO-derived constituent unit (DO-U). The content of the 3HB-U is 1-65 mol% with respect to 100 mol of all constituent units of the copolyester, the average chain length of the 3HB-U in the copolyester is 2-80, and the acid value of the copolyester is 5 or less.
Resumen de: WO2024028247A1
The invention relates to a capsule (1) for receiving a substance for preparing a beverage, said capsule comprising a body having a side wall (2) bordered on either side by a base (3) and by a rim (4) surrounding an opening (5) in said body, the body being formed by moulding a cellulose pulp, and the side wall (2) of said body being covered with a sealing coating.
Resumen de: US2025178310A1
A biodegradable resin composition according to of the present disclosure includes thermoplastic starch, a biodegradable polymer having a melt flow index of greater than 30 g/10 min under conditions of 190° C. and a load of 2.16 kg, and a plasticizer, wherein a content of the biodegradable polymer is 30 wt % based on a total weight of the biodegradable resin composition. The melt flow index of the biodegradable resin composition measured under conditions of 190° C. and a load of 2.16 kg is 2.5 g/10 min to 20 g/10 min. A biodegradable film and a multilayer barrier film according to embodiments of the present disclosure include a resin layer formed from the biodegradable resin composition.
Resumen de: SA523442210B1
The invention refers to a paper drinking straw (17, 23, 29, 35, 49, 62, 69, 77, 99, 105, 114, 121) comprising a paper tube (1, 9, 18, 24, 30, 36, 63, 70, 78, 99, 105, 114, 121) with a first end (2, 10, 21, 27, 33, 39, 65, 72, 80, 100, 106, 115, 122) and a second end (3, 11, 22, 28, 34, 40, 67, 75, 82, 101, 107, 116, 123). At least one impregnated region (20, 26, 32, 38, 66, 73, 103, 109, 110, 111, 118, 119, 125) of the paper tube is impregnated with an impregnation agent, and at least one region (104, 112, 113, 120, 126) is not impregnated with the impregnation agent. A beverage container for receiving liquid product comprises the paper drinking straw and a penetration opening for introducing it. A method for producing the paper drinking straw comprises providing a raw paper tube; cutting through the raw paper tube, thereby producing the paper tube with the first and second end; then impregnating the at least one impregnated region with the impregnation agent and not impregnating the a
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