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Biodegradable polymer composition and method of producing the same

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.

RESIN COMPOSITION AND MOLDED BODY

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%.

BIODEGRADABLE COMPOSITION AND BIODEGRADABLE FILM

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.

BIODEGRADABLE COMPOSITION AND BIODEGRADABLE FILM

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.

BIODEGRADABLE COMPOSITION AND 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.

ECO-FRIENDLY POLYPROPYLENE COMPOSITION AND VEHICLE INTERIOR MATERIAL CONTAINING THE SAME

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.

SMART AND SECURE LABEL STOCK

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.

BIODEGRADABLE BIAXIALLY ORIENTED FILM, PREPERATION METHOD THEREOF, AND ENVIRONMENT-FRIENDLY PACKING MATERIAL COMPRISING THE SAME

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.

MOULDED PULP LID

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.

成形体の製造方法

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

CAPSULE INTENDED FOR RECEIVING A SUBSTANCE FOR PREPARING A BEVERAGE

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.

COPOLYESTER COMPRISING 3-HYDROXYBUTYRIC ACID AND METHOD FOR PRODUCING SAME

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.

CAPSULE INTENDED FOR RECEIVING A SUBSTANCE FOR PREPARING A BEVERAGE

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).

Composite bioplastic material and methods

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.

CAPSULE INTENDED FOR RECEIVING A SUBSTANCE FOR PREPARING A BEVERAGE

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).

PAPER DRINKING STRAW, BEVERAGE CONTAINER, AND METHOD FOR PRODUCING THE PAPER DRINKING STRAW

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

DOG SACHET

Ensemble de conditionnement de produit cosmétique comprenant un flacon au moins en partie réalisé en matériau cellulosique et un organe d’obturation

Resumen de: FR3156015A1

TITRE Ensemble de conditionnement de produit cosmétique comprenant un flacon au moins en partie réalisé en matériau cellulosique et un organe d’obturation L’invention concerne un ensemble de conditionnement de produit cosmétique, comprenant :- un flacon comprenant au moins un col (21) en matériau cellulosique, présentant une face frontale (25) définissant une ouverture (O) et comprenant une surface intérieure (23) et une surface extérieure (24) pourvue d’un filetage (26) s’étendant dans une portion axiale filetée (PF) ;- un organe d’obturation comprenant un plateau (30), une jupe de fixation (31) pourvue d’un filetage interne (34) adapté pour coopérer avec le filetage externe (26) en position d’obturation du flacon (2), et une jupe de rigidification (35) présentant une surface intérieure (36) et une surface extérieure (37),dans lequel, en position d’obturation du flacon (2), le col (21) est enserré entre la jupe de fixation (31) et la jupe de rigidification (35) de l’organe d’obturation (3), la surface extérieure (37) de la jupe de rigidification (35) s’étendant en regard de la surface intérieure (23) du col (21) au moins dans la portion axiale (PF) dans laquelle s’étend le filetage externe (26). Figure pour l’abrégé : Fig. 3

Ensemble de conditionnement de produit cosmétique comprenant un flacon au moins en partie réalisé en matériau cellulosique et un organe d’obturation

Resumen de: FR3156014A1

TITRE Ensemble de conditionnement de produit cosmétique comprenant un flacon au moins en partie réalisé en matériau cellulosique et un organe d’obturation L’invention concerne un ensemble de conditionnement de produit cosmétique, comprenant :- un flacon comprenant au moins un col (21) en matériau cellulosique, présentant une face frontale (25) définissant une ouverture (O) et comprenant une surface intérieure (23) et une surface extérieure (24) pourvue d’un filetage (26) s’étendant dans une portion axiale filetée (PF) ;- un organe d’obturation comprenant un plateau (30) et une jupe de fixation (31) pourvue d’un filetage interne (34) adapté pour coopérer avec le filetage externe (26) en position d’obturation du flacon (2),dans lequel le flacon est pourvu d’un joint (4’’) de section longitudinale en forme de U inversé chevauchant la face frontale (25) du col (21), présentant une base (40’’) en contact de ladite face frontale (25), une aile radialement intérieure (41’’), et une aile radialement extérieure (42’’), s’étendant axialement de part et d’autre de ladite face frontale (25, 250),et dans lequel, en position d’obturation du flacon, la base (40’’) est en contact du plateau (30) et/ou l’aile radialement extérieure (42’’) est en contact de la surface radialement intérieure (32) de la jupe de fixation (31), en particulier au niveau de l’ouverture (O). Figure pour l’abrégé : Fig. 12.

Ensemble de conditionnement de produit cosmétique comprenant un flacon au moins en partie réalisé en matériau cellulosique et un organe d’obturation

Resumen de: FR3156013A1

TITRE Ensemble de conditionnement de produit cosmétique comprenant un flacon au moins en partie réalisé en matériau cellulosique et un organe d’obturation L’invention concerne un ensemble de conditionnement de produit cosmétique, comprenant :- un flacon comprenant au moins un col (21) en matériau cellulosique, présentant une face frontale définissant une ouverture (O) et comprenant une surface intérieure (23) et une surface extérieure (24) pourvue d’un filetage (26) s’étendant dans une portion axiale filetée (PF) ;- un organe d’obturation comprenant un plateau (30) et une jupe de fixation (31) pourvue d’un filetage interne (34) adapté pour coopérer avec le filetage externe (26) en position d’obturation du flacon (2),dans lequel le col (21) présente une portion rabattue de section longitudinale en forme de U inversé présentant une base (250) définissant la face frontale du col (21), une aile radialement intérieure (251) et une aile radialement extérieure (252),et dans lequel, en position d’obturation du flacon (2) par l’organe d’obturation (3), l’aile radialement extérieure (252) de la portion rabattue du col (21) se trouve en regard, en étant de préférence en contact, de la surface radialement intérieure (32) de la jupe de fixation (31) de l’organe d’obturation (3), en particulier au niveau de l’ouverture (O). Figure pour l’abrégé : Fig. 8.

BIOPLASTIC COMPOSITION, BIOPLASTIC PRODUCT INCLUDING SAME, AND METHODS OF MANUFACTURE

Resumen de: US2025179255A1

An improved melt and mold thermoplastic biopolymer composition is provided. Methods of manufacturing the improved composition and a kit containing the materials to manufacture the composition are also provided.

樹脂組成物および成形品

Resumen de: CN119256048A

The present invention relates to a biodegradable resin composition comprising heterogeneous biodegradable resins, which improves the compatibility between the heterogeneous biodegradable resins, and thus the resin composition has excellent processability by preventing an increase in viscosity while having excellent mechanical properties, the invention also relates to a biodegradable molded product formed by the biodegradable resin composition.

樹脂組成物および成形品

Resumen de: CN119256048A

The present invention relates to a biodegradable resin composition comprising heterogeneous biodegradable resins, which improves the compatibility between the heterogeneous biodegradable resins, and thus the resin composition has excellent processability by preventing an increase in viscosity while having excellent mechanical properties, the invention also relates to a biodegradable molded product formed by the biodegradable resin composition.

樹脂組成物および成形品

Resumen de: CN119256048A

The present invention relates to a biodegradable resin composition comprising heterogeneous biodegradable resins, which improves the compatibility between the heterogeneous biodegradable resins, and thus the resin composition has excellent processability by preventing an increase in viscosity while having excellent mechanical properties, the invention also relates to a biodegradable molded product formed by the biodegradable resin composition.

BIODEGRADABLE COMPOSITION, AND PREPARATION METHOD AND USE THEREFOR

Nº publicación: WO2025113691A1 05/06/2025

Solicitante:

KINGFA SCI & TECH CO LTD [CN]
ZHUHAI KINGFA BIOMATERIAL CO LTD [CN]
\u91D1\u53D1\u79D1\u6280\u80A1\u4EFD\u6709\u9650\u516C\u53F8,
\u73E0\u6D77\u91D1\u53D1\u751F\u7269\u6750\u6599\u6709\u9650\u516C\u53F8

Resumen de: WO2025113691A1

The application relates to a biodegradable composition, and a preparation method and use therefor. The biodegradable composition comprises the following components in parts by weight: 40-91 parts of a biodegradable polyester, 5-20 parts of polylactic acid, 1-10 parts of polybutylene succinate, 7-40 parts of calcium carbonate, and 0.1-3 parts of a nucleating agent. The polylactic acid is a PLLA/PDLA copolymer, and the content of D is 85-99%. The extreme film blowing linear speed of the biodegradable composition at the temperature change rate of 10 C°/min is 80-120 m/min. The biodegradable composition of the present application has excellent film bubble stability, can achieve relatively high extreme linear speed, and facilitates industrial continuous production.