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BIODEGRADABLE ALIPHATIC POLYESTER, AND PREPARATION METHOD THEREFOR AND USE THEREOF

Resumen de: EP4818226A1

Disclosed in the present invention are a biodegradable aliphatic polyester, and a preparation method therefor and use thereof. The biodegradable aliphatic polyester includes units derived from at least one aliphatic dicarboxylic acid and at least one aliphatic diol, and satisfies the following conditions: 1.54 ≤ Mw/Mn ≤ 1.98, and Mw/q ≥ 50,000, where q is a mass percentage of a low-molecular polymer with a molecular weight of ≤ 1,000 Dalton of the biodegradable aliphatic polyester as determined by gel permeation chromatography (GPC). According to the present invention, by regulating the molecular weight distribution of the biodegradable aliphatic polyester and the mass percentage of the low-molecular polymer with the molecular weight of lower than 1,000 Dalton, the biodegradable aliphatic polyester has both good barrier properties and excellent self-adhesiveness.

NOVEL POLYCARBONATE-BASED POLYMER CAPABLE OF CONTROLLING BIODEGRADATION RATE BY VARIOUS METHODS INCLUDING BIODEGRADATION OFF-ON, AND APPLICATION THEREOF

Resumen de: EP4818227A1

0001 The present disclosure relates to a novel polycarbonate-based polymer capable of controlling the biodegradation rate by various methods including biodegradation OFF-ON, and an application thereof. The polycarbonate-based polymer according to an embodiment of the present disclosure can be applied as a drug carrier, a moisture superabsorbent biodegradable material, an environmentally friendly biodegradable material, and the like. Additionally, the hydrophobic polycarbonate-based polymer according to an embodiment of the present disclosure can block (OFF) the biodegradation of a biodegradable material with a hydrolysis mechanism until a desired time point and trigger (ON) the biodegradation at a desired time point, so that the biodegradable OFF-ON material containing the hydrophobic polycarbonate-based polymer can be applied to drug delivery, biodegradable medical devices for human transplantation, biodegradable devices for environmental monitoring, bioplastics, transient electronics, and the like.

COSMETIC PRODUCT PACKAGING ASSEMBLY COMPRISING A BOTTLE AT LEAST PARTLY MADE OF CELLULOSE-BASED MATERIAL AND A CLOSING MEMBER

Resumen de: WO2025114334A1

The invention relates to a cosmetic product packaging assembly comprising: - a bottle comprising at least one neck (21) made of cellulose-based material, having a front face (25) defining an aperture (O) and comprising an inner surface (23) and an outer surface (24) provided with a thread (26) extending in a threaded axial portion (PF); - a closing member comprising a plate (30), a fastening skirt (31) provided with an internal thread (34) suitable for cooperating with the external thread (26) in the position in which the bottle (2) is closed, and a stiffening skirt (35) having an inner surface (36) and an outer surface (37), in which, in the position in which the bottle (2) is closed, the neck (21) is clamped between the fastening skirt (31) and the stiffening skirt (35) of the closing member (3), the outer surface (37) of the stiffening skirt (35) extending opposite the inner surface (23) of the neck (21) at least in the axial portion (PF) in which the external thread (26) extends.

COSMETIC PRODUCT PACKAGING ASSEMBLY COMPRISING A BOTTLE AT LEAST PARTLY MADE OF CELLULOSE-BASED MATERIAL AND A CLOSING MEMBER

Resumen de: WO2025114333A1

The invention relates to a cosmetic product packaging assembly comprising: - a bottle comprising at least one neck (21) made of cellulose-based material, having a front face defining an aperture (O) and comprising an inner surface (23) and an outer surface (24) provided with a thread (26) extending in a threaded axial portion (PF); - a closing member comprising a plate (30) and a fastening skirt (31) provided with an internal thread (34) suitable for cooperating with the external thread (26) in the position in which the bottle (2) is closed, in which the neck (21) has a folded portion with an inverted U-shaped longitudinal cross section having a base (250) defining the front face of the neck (21), a radially inner flange (251) and a radially outer flange (252), and in which, in the position in which the bottle (2) is closed by the closing member (3), the radially outer flange (252) of the folded portion of the neck (21) lies opposite, and preferably is in contact with, the radially inner surface (32) of the fastening skirt (31) of the closing member (3), in particular at the aperture (O).

Method for manufacturing biodegradable molded products using unmodified yeast as a binder

Resumen de: PL451623A1

Przedmiotem zgłoszenia jest sposób wytwarzania biodegradowalnych kształtek z wykorzystaniem niemodyfikowanych drożdży jako spoiwa, polegający na mechanicznym wymieszaniu drożdży z materiałem pochodzenia roślinnego oraz następującym po tym procesie formowania ciśnieniowego, w celu nadania wyrobom ostatecznego kształtu i właściwości, w temperaturze umożliwiającej odparowanie wilgoci zawartej w niemodyfikowanych drożdżach oraz materiałach pochodzenia roślinnego.

包装材料

Resumen de: JP2026154462A

0001 【課題】強度に優れた新規な包装材料を提供すること。 【解決手段】少なくとも、第一の紙基材、接着層、ヒートシール紙をこの順に有し、 前記ヒートシール紙が、第二の紙基材とヒートシール層を備え、 前記第一および第二の紙基材の坪量がいずれも３０ｇ／ｍ<２>以上であり、かつ前記第一および第二の紙基材の坪量の合計が２２０ｇ／ｍ<２>以下である包装材料。 【選択図】なし

MULTI-LAYER MATERIAL FOR PRESS MOLDING, A DELIVERY SYSTEM AND A RESULTING FIBER PRODUCT

Resumen de: US20260295971A1

0000 The present invention relates to a multi-layer material for press molding, a delivery system and a resulting fiber product. Also, a method for recovery is disclosed.

PROGRAMMABLY DEGRADABLE HYDROGELS FOR FUNCTIONAL MOLECULAR RELEASE

Resumen de: US20260294805A1

0000 Disclosed herein are compositions including polymers functionalized with oxanorbornadiene (“OND”) crosslinkers and various within, where the materials and formulations thereof enable controlled, extended release of cargos such as therapeutic, antigenic, diagnostic, and/or analytical agents. Also disclosed is the use of physical entrapment of the cargo, covalent connection of the cargo to polymer via cleavable linkages, and combinations thereof. These combinations provide different patterns and durations of release of cargo molecules. Also disclosed herein are the methods of making and using the same.

MULTILAYER PACKAGING FILM

Resumen de: US20260295984A1

0000 The present invention relates to a biodegradable multilayer packaging film comprising at least one layer A and one layer B and having an A/B/A arrangement of said layers. Said multilayer film comprises a biodegradable polyester, a polyhydroxyalkanoate and optionally an antifog agent.

Methods and apparatus for manufacturing fiber-based food containers

Resumen de: AU2026230199A1

Methods and apparatus for manufacturing vacuum forming a produce container using a fiber- based slurry. The slurry includes a moisture barrier comprising alkylketene dimer in the range of about 4% by weight, and a cationic liquid starch component in the range of 1% - 7% by weight. ep e p

METHOD FOR MAKING A MATERIAL, AND MATERIAL OBTAINED BY THE METHOD

Resumen de: WO2026202981A1

Method for making a material from seaweed comprising the following steps, preferably in this order: - a phase of making available a raw material, said a raw material including seaweed, - a cleaning step of said raw material aimed at removing impurities or debris from the raw material, - a drying phase of this raw material, - a phase of shredding of said raw material, - a phase of surface functionalization of this raw material, aimed at improving its compatibility with other materials and characterized by the fact that the surface functionalization phase includes a sub-phase of surface activation that involves exposing the raw material to a flow of either steam or aeriform containing oxygen.

BIODEGRADABLE POLYESTER POLYURETHANES BY ENZYME INCORPORATION

Resumen de: WO2026201594A1

The present invention relates to polyester polyurethanes containing active esterases. These polymers are characterized by particularly good biodegradability under environmental conditions.

BIOPLASTICS AND METHOD OF FORMATION

Resumen de: WO2026206728A1

An algae-derived bioplastic formulation is disclosed in the form of a viscous, processable dope suitable for extrusion, spinning, casting, coating, or molding, with at least 50 wt. % of non-water solids derived directly or indirectly from macroalgae or microalgae biomass, the dope using an algae-derived polysaccharide matrix that includes alginate.

CATIONIC SACCHARIDE POLYMERS AND METHODS FOR USE THEREOF

Resumen de: WO2026206730A1

Cationic saccharide polymers may be utilized for mitigating corrosion and/or removing organic pollutants from an aqueous fluid. The cationic saccharide polymers may comprise a reaction product of a quaternary ammonium halohydrin or epoxide and a parent saccharide polymer. A composition comprising the cationic saccharide polymer may be contacted with a metal surface, the metal surface may be exposed to corrosive conditions, and the composition may be allowed to decrease an extent of corrosion of the metal surface. For removal of organic pollutants, an aqueous fluid containing one or more organic pollutants may be contacted with the composition, and an at least partially remediated aqueous fluid having lower concentration of at least one of the one or more organic pollutants may be obtained.

BIODEGRADABLE POLYESTER POLYURETHANES THROUGH ENZYME INCORPORATION

Resumen de: EP4814040A1

0001 Die vorliegende Erfindung betrifft Polyesterpolyurethane, die aktive Esterasen enthalten. Diese Polymere zeichnen sich durch besonders gute biologische Abbaubarkeit unter Umweltbedingungen aus.

ACRYLIC COPOLYMER, RESIN COMPOSITION, AND MOLDED ARTICLE

Resumen de: EP4814025A1

0001 The present invention relates to an acrylic copolymer, and specifically, to an acrylic copolymer that, when applied as a chemical compatibilizer for improving compatibility between different types of biodegradable resins, can improve the mechanical properties of the resin composition by improving compatibility between different types of biodegradable resins, and a resin composition and a biodegradable molded article comprising the same.

STORAGE SYSTEM AND STORAGE CONTAINER

Resumen de: US20240217699A1

0000 A storage container for storage of one or more items in a storage and retrieval system containing a track system including first and second sets of horizontal parallel tracks forming a grid pattern having a plurality of grid spaces and stacks of storage containers located beneath the track system, wherein each stack occupies a single grid space. The storage container includes a metallic container body including a base portion formed as a single unitary body and having a container bottom wall and upwardly standing base sidewall and end wall parts to define a tray, and a separate upper portion having upper sidewall and end wall parts upwardly extending from and connected to respective base sidewall and end wall parts to form a box-like structure with an open end for receiving items within the box-like structure.

低水蒸気透過率の包装材料

Resumen de: WO2025061872A1

The present invention relates to a food packaging material and a method of manufacturing a food packaging material. The food packaging material of the present invention comprises a paper substrate having a first side and a second side, the second side being opposite to the first side, wherein the paper substrate is coated on at least the first or the second side with a coating comprising wax and a copolymer selected from styrene butadiene copolymer and/or styrene acrylic copolymer.

組成物及び組成物の製造方法

Resumen de: JP2026150639A

0001 【課題】 本発明は、動植物系材料に由来する色、香りを喪失しない、色、香りに優れる組成物を提供することを目的とする。 【解決手段】 本発明は、動植物系残渣と、非晶化澱粉と、を含む組成物であって、前記動植物系残渣と、非晶化澱粉とが渾然一体となる、組成物を提供する。前記動植物系残渣は、野菜、果実、穀物、コーヒー、及び茶のうちから選ばれる食品材料の残渣でありうる。また、本発明は、動植物系残渣及び非晶化澱粉を含む混合物を１０℃以上１００℃以下で混練し、前記動植物系残渣及び前記非晶化澱粉を渾然一体とする、組成物の製造方法も提供する。 【選択図】なし

LIJM

Resumen de: WO2026185358A1

The present invention in general relates to the field of adhesives, and provides an adhesive which is suitable for bonding lignocellulose based particles, fibres, layers, strands or parts, and in particular can be used for producing bonded wood products. The present invention also provides a method for preparing the adhesive. The present invention further provides products bonded with the adhesive, such as bonded wood products, as well as a method for preparing such bonded products.

生分解性繊維ならびにその製造方法およびその用途

Resumen de: JP2026152102A

0001 【課題】異物である安価なバイオマス原料であるデンプン類を含んでいても、均一性および機械的特性に優れた生分解性繊維を提供することにある。 【解決手段】硬質生分解性樹脂（Ａ）、熱可塑性デンプン（Ｂ）および架橋剤（Ｃ）を含む樹脂組成物で繊維を形成する。前記硬質生分解性樹脂（Ａ）はポリ乳酸系樹脂を含んでいてもよい。前記架橋剤（Ｃ）は、反応性基を有する（メタ）アクリル系重合体であってもよい。前記反応性基はエポキシ基であってもよい。前記熱可塑性デンプン（Ｂ）は、デンプン類および可塑剤を含む熱可塑性デンプンであってもよい。前記熱可塑性デンプン（Ｂ）の割合は、前記硬質生分解性樹脂（Ａ）１００質量部に対して１～５０質量部であってもよい。前記架橋剤（Ｃ）は、前記硬質生分解性樹脂（Ａ）１００質量部に対して０．０５～５質量部であってもよい。 【選択図】なし

生分解性樹脂組成物およびその用途

Resumen de: JP2026152099A

0001 【課題】吸水性の高いデンプン類を含んでいても、耐加水分解性および機械的特性に優れ た生分解性樹脂組成物を提供することにある。 【解決手段】硬質生分解性樹脂（Ａ）、熱可塑性デンプン（Ｂ）および架橋剤（Ｃ）を含 む樹脂組成物を調製する。前記硬質生分解性樹脂（Ａ）はポリ乳酸系樹脂を含んでいても よい。前記架橋剤（Ｃ）は、反応性基を有する（メタ）アクリル系重合体であってもよい 。前記反応性基はエポキシ基であってもよい。前記熱可塑性デンプン（Ｂ）は、デンプン 類および可塑剤を含む熱可塑性デンプンであってもよい。前記熱可塑性デンプン（Ｂ）の 割合は、前記硬質生分解性樹脂（Ａ）１００質量部に対して５～１００質量部であっても よい。前記架橋剤（Ｃ）は、前記硬質生分解性樹脂（Ａ）１００質量部に対して０．１～ １０質量部であってもよい。 【選択図】なし

添加物を含む脂肪族－芳香族ポリエステル樹脂組成物、マスターバッチペレット及び成形体の製造方法

Resumen de: JP2026152284A

0001 【課題】生分解性に優れるとともに、成形時の供給安定性が良く、バイオベース炭素含有率を高めることも可能であるマスターバッチを提供する。 【解決手段】下記成分（Ａ）と成分（Ｂ）を含む樹脂組成物であって、樹脂組成物中の成分（Ａ）の含有率が３０質量％以上９９質量％以下であり、樹脂組成物中の成分（Ｂ）の含有率が０．５質量％以上６９質量％以下である、添加物を含む脂肪族－芳香族ポリエステル樹脂組成物。この脂肪族－芳香族ポリエステル樹脂組成物からなるマスターバッチペレット。 成分（Ａ）：主たる構成単位が脂肪族ジカルボン酸単位、芳香族ジカルボン酸単位及び脂肪族ジオール単位であり、該脂肪族ジカルボン酸単位１００モル％中のコハク酸単位の含有率が５０モル％以上１００モル％以下である脂肪族－芳香族ポリエステル 成分（Ｂ）：添加物 【選択図】なし

PAPER BAG

Resumen de: WO2022243066A1

The invention relates to a paper bag (10) for potting soil or comparable moist bulk materials, which paper bag is formed from a tubular piece (15) comprising at least two paper layers (20, 25, 30), the bonds of the bag (10) being formed with biodegradable adhesive, the innermost paper layer (20) of the tubular piece (15) having, on its outer face (22), a water-repellent coating, preferably a PE coating, and at least one of the paper layers (20, 25, 30) having, at least on its inner face (24, 27, 34), an obscuring colouring, preferably a black colouring.

耐油紙及び耐油紙の製造方法

Nº publicación: JP2026150224A 28/09/2026

Solicitante:

リンテック株式会社

Resumen de: JP2026150224A

0001 【課題】耐油紙の性能を改善する。 【解決手段】耐油紙１は、紙基材２と、紙基材２上に形成された耐油層３と、を備え、耐油層３は、紙基材２上に積層された第１層４と、第１層４上に積層された第２層５と、を有し、第１層４は、澱粉を含み、第２層５は、スチレン－アクリル共重合樹脂及びパラフィンワックスを含む。 【選択図】図１