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バインダーでコーティングされた不透明化ポリマー粒子を含有する液体塗布消音配合物

Resumen de: WO2025034452A1

The present invention relates to a composition comprising an aqueous dispersion of a) binder-coated opacifying polymer particles; b) extender particles; c) starch; d) a blowing agent; and e) a rheology modifier. The composition of the present invention is useful as a coating in liquid-applied sound damping applications.

多層構造体、およびそれからなる包装容器

Resumen de: WO2022054887A1

A multilayer structure that is formed by layering, in order, a layer (A) that comprises a polyolefin resin composition (a), an oxygen barrier layer (B), and a sealant layer (C), the resin composition (a) containing a polyolefin that has a melting point of at least 130°C as a principal component, layer (A) having a water vapor permeability of at least 10 g/m2·day at 40°C and 90% humidity, the thickness of layer (A) being 5–150 μm, and layer (B) containing an ethylene-vinyl alcohol copolymer as a principal component. Such a multilayer structure has high gas barrier properties even after being treated with water vapor or hot water. In addition, the resin composition obtained by melting and kneading the multilayer structure has little coloration and high transparency, making the resin compostion suitable for reuse as a raw material for the multilayer structure, and giving the multilayer structure excellent recyclability.

二軸配向ポリ乳酸フィルム、及び積層フィルム

Resumen de: WO2026028857A1

The present invention relates to a biaxially oriented polylactic acid film formed from a film-forming material containing polylactic acid. In a spectrum measured by total reflection Fourier transform infrared spectroscopy, a mesophase orientation parameter (peak intensity ratio at 757 cm-1/2996 cm-1) of the polylactic acid film is 4.0 or less. In the polylactic acid film, the internal Haze is preferably 6% or less, it is preferable that the breaking stress in the width direction is 100 MPa or more and the ratio of the breaking stress in the longitudinal direction to the breaking stress in the width direction is 0.7 or less, the thermal shrinkage rate in the longitudinal direction when heated at 150°C for 30 minutes is preferably 10% or less, and the mass ratio of L-lactic acid/D-lactic acid is preferably 100/0 to 85/15. According to the present invention, a polylactic acid film having excellent transparency and processability can be provided using a biodegradable polylactic acid derived from a biomass source.

Sac souple écologique pour le confinement d’un matériau de construction permettant le renforcement d’une structure en zone aquatique et/ou en zone côtière

Resumen de: FR3172108A1

Sac souple (10) pour le confinement d’un matériau de construction, comprenant une paroi composée de deux couches, une couche extérieure (12) constituée de fibres dans un matériau biodégradable et une couche intérieure (14) réalisée dans un matériau biodégradable. Selon la caractéristique principale de l’invention, la couche intérieure est composée d’un enchevêtrement de fibres assemblées selon un agencement non tissé. Figure pour l’abrégé : Figure 1

LAMINATED STRUCTURES

Resumen de: AU2025213459A1

Provided are sheets comprising at least three polymer layers, wherein each of the outer layers comprises a mixture of polylactic acid (PLA) and polycaprolactone (PCL) and each form from about 2.5% to about 20% of the total thickness of the sheet and wherein a core layer forms from about 60% to about 95% of the total thickness of the sheet; and to laminated structures comprising such sheets. Also provided are laminated structures comprising at least 3 biodegradable polymer sheets: a) first sheet comprising cellulose or a derivative thereof; b) a second sheet comprising at least one polymer selected from the group consisting of PBSA, PLA, PCL and combinations thereof; and c) a third sheet comprising at least one polymer selected from the group consisting of PBSA, PLA, PHA, PCL, PBAT and combinations thereof, wherein the second sheet is located between the first sheet and the third sheet

計量容器

Resumen de: JP2026130645A

0001 【課題】 内容物として、乾燥わかめ等の不定形の固形物であっても、適量吐出と計量吐出とを選択可能な計量容器を提供すること。 【解決手段】 固形物を収容する容器Ａと、容器の口部１に装着する計量吐出キャップＢと、計量吐出キャップの内周にセットされ、容器の口部開口を仕切る計量仕切部材Ｃと、を備え、固形物の適量吐出と計量吐出とを選択可能な計量容器であって、計量吐出キャップは、適量吐出口部１１および計量吐出口部１２が上壁５の対向する位置に形成されたキャップ本体Ｂ１と、適量吐出口部および計量吐出口部をそれぞれ開閉する適量吐出口蓋体Ｂ３および計量吐出口蓋体Ｂ４と、を備え、計量仕切部材は、容器の口部を塞ぐ仕切板３０と、仕切板に開口された開口部３０ａと、開口部から立設された計量筒３３と、を備え、キャップ本体は、上壁から垂設され、下端が計量筒の計量吐出側上端と当接または近接する邪魔板１３を備えることを特徴とする。 【選択図】 図１

BIODEGRADABLE AND COMPOSTABLE BAGS FOR GROWING MUSHROOMS

Resumen de: US20260231872A1

This invention introduces a biodegradable bag developed for mushroom cultivation, utilizing natural materials such as cornstarch, cellulose, and biodegradable polymers. Its design features micro-perforations that optimize airflow and retain moisture crucial for mushroom mycelium growth, leading to improved growth rates and yields while streamlining handling and transport, thus reducing labor costs. As compostable products, these bags offer a more sustainable alternative to traditional plastic, lowering waste disposal expenses and diminishing reliance on fossil fuels and carbon emissions from plastic production. By providing an eco-friendly solution to the agricultural challenges posed by plastic, the biodegradable bag supports a circular economy and promotes healthier farming practices, marking a significant advancement in the mushroom industry and its environmental impact.

A PROCESS FOR PREPARATION OF NANOCRYSTALLINE CELLULOSE AND APPLICATION THEREOF

Resumen de: WO2026167733A1

The present invention provides a continuous mechano-chemical synchronization process designed to enhance the yield of acid hydrolysis of cellulose, specifically targeting the production of nanocrystalline cellulose (NCC). The process employs a two-stage controlled acid hydrolysis of Micro Crystalline Cellulose (MCC), utilizing a uniquely tailored reactor configuration to control morphology and optimize process efficiency. Additionally, it outlines advanced downstream operations for product neutralization and purification through tubular centrifuge and nano-pores membranes. The present invention also explores the potential for resource recovery for sustainability approach in this extraction process and demonstrates applications on biodegradable packaging, reinforced plastics and as absorbent materials for hygiene products.

POLYVINYL ALCOHOL RESIN, WATER-SOLUBLE FILM, EXTRUSION-MOLDED ARTICLE, FILAMENT, NONWOVEN FABRIC, CONTAINER, METHOD FOR PRODUCING WATER-SOLUBLE FILM, AND AQUEOUS SOLUTION

Resumen de: US20260234302A1

0000 To provide: a polyvinyl alcohol resin which enables obtaining a water-soluble film having favorable cold-water solubility and mechanical strength, has favorable biodegradability, and is superior in filterability in a state of an aqueous solution; a water-soluble film, an extruded product, a filament, a non-woven fabric, and a container each containing such a polyvinyl alcohol resin; a method for producing a water-soluble film; and an aqueous solution. The polyvinyl alcohol resin contains, as a principal component, a modified polyvinyl alcohol containing a unit represented by the following formula (1), wherein a ratio (N1/N2) of the number (N1) of 1-μm-size particles to the number (N2) of 2-μm-size particles contained in 1 mL of a 2% by mass aqueous solution of the polyvinyl alcohol resin is 0.1 or more and 50 or less. In the formula (1), R represents a single bond or a divalent organic group, and M represents a hydrogen atom, a metal atom, or an ammonium group. 0000

PACKAGING ITEM AND PACKAGED FOOD PRODUCT

Resumen de: US20260233885A1

The present invention relates to a packaging item comprising a cylindrical container made of a multilayer oxygen and moisture barrier laminate comprising a cardboard and an organic or inorganic barrier layer The container has a dispensing opening. The packaging item further comprises at least one sleeve element with at least one sleeve element peripheral wall, the sleeve element being configured to be slid over at least a top end portion of the container peripheral wall and being made of a multilayer oxygen and moisture barrier laminate comprising a cardboard and an organic or inorganic barrier layer. The packaging item further comprises at least one base element with at least one base element peripheral wall, the base element at least partially enclosing and preferably immovably attached to a bottom end portion of the container peripheral wall. The present invention further relates to a packaged food product.

MULTILAYER PET BOTTLES WITH LOW LIGHT TRANSMITTANCE

Resumen de: US20260233881A1

0000 Multilayer bottles contain a core layer having a first side and a second side, the core layer comprising an opacifying additive and a core polyester polymer, a hydrolyzable polymer, or a combination thereof, an inner layer positioned on the first side of the core layer, the inner layer comprising a first polyester polymer, and an outer layer positioned on the second side of the core layer, the outer layer comprising a second polyester polymer. The multilayer bottles have a light transmittance of less than or equal to 1% at a wavelength in the 400 to 700 nm range and an ash content of less than or equal to 1 wt. %.

MULTI-LAYERED PRODUCT HAVING AN EMBOSSED INTERIOR LAYER AND A METHOD FOR MAKING THE PRODUCT

Resumen de: US20260233486A1

0000 A multi-layered product having an embossed interior layer is disclosed along with a method of making the product. The multi-layered product has a first layer with an interior surface, a second layer with an interior surface, and a third layer sandwiched between the first and second layers. The third layer has a first surface and a second surface and has a thickness therebetween. The third layer is embossed into a waffle pattern having a plurality of protrusions and a plurality of recesses. Each of the plurality of protrusions and recesses is adjacently aligned and horizontally offset from one another. The plurality of protrusions forms a horizontal plane, at the first surface, which is positioned above a horizontal plane formed by the plurality of recesses, at the first surface. The product also has an adhesive which secures the three layers together.

FIBER PACKAGES, CONTAINERS, AND CLOSURES

Resumen de: WO2023164600A1

Disclosed herein are packages such as containers. A container includes a closure including a closure sealing surface, a molded fiber container body, and a collar bonded to the molded fiber container body. The collar configured to provide a sealing surface corresponding to the closure sealing surface to seal the container when the closure is attached to the bonded collar and molded fiber container body. The container includes a latching mechanism configured to releasably latch the closure to the bonded collar and molded fiber container body.

BAG WITH VIEWING WINDOW

Resumen de: EP4789979A1

Die Erfindung betrifft eine Bäckertüte mit einer Vorderwand (20) und mit einer Rückwand (22), die beidseitig über jeweils eine Seitenfalte (24, 26) miteinander verbunden sind. In der Vorderwand (20) und/oder der Rückwand (22) ist zumindest ein Sichtfenster (40) vorhanden. Erfindungsgemäß ist das Sichtfenster (40) mit einer Papier-Folie aus einem mit SiO₂ behandelten Pergamin hinterklebt.

TRAY COVER MADE OF NATURAL MATERIAL AND TRAY THEREBY COVERED

Resumen de: WO2025074263A1

A cover (8) for trays (1), to be used for packaging products of various types, particularly food products, comprises a net layer (9) made of natural fibres or synthetic fibres of a natural origin or in any case biodegradable and/or compostable fibres. At least one card strip (11) is thermally fixed on the same surface of the net layer, in the region of at least one of the sides thereof. The cover can be thermo-welded to the frame (6) of the edge of a tray which is also biodegradable and/ or compostable so as to obtain a packaging which does not make use of plastics materials.

RESIN COMPOSITION FOR T-DIE EXTRUSION MOLDING

Resumen de: EP4790098A1

0001 A resin composition for T-die extrusion molding contains: 100 parts by weight of a poly(3-hydroxyalkanoate) resin (A); 0.3 to 3 parts by weight of a layered clay mineral (B) having a mean particle diameter D50 of 1 to 5 µm and a specific surface area, as determined by BET method, of 10 to 40 m<2>/g; and 0.3 to 3 parts by weight of a fatty acid amide compound (C). The resin composition has a melt viscosity, as measured at a temperature of 175 °C and a shear rate of 122 s<-1>, of 300 to 1000 Pa·s.

HIGH STRENGTH AND TOUGHNESS BIAXIALLY-ORIENTED POLYLACTIC ACID (BOPLA) COMPOSTABLE FILM AND PREPARATION METHOD THEREOF

Resumen de: CN121969678A

High strength and biodegradable polymer films comprising a blend of a polylactic acid (PLA) copolymer, a flexible polymer linker, and optionally a compostable polyester segment are disclosed. After biaxial stretching, the disclosed polymer films exhibit unexpectedly high tensile strength and high impact strength while providing high flexibility as measured according to a variety of standards such as ASTM D882, ASTM D3420, and ASTM D1709. The disclosed films are formulated to meet the commonly used industrial composting standards defined by ASTM D6400, EN 13432, and ISO 17088, and exhibit accelerated biodegradation rates at lower temperatures for home composting applications.

生分解性メモリーカードホルダ

Resumen de: WO2023204879A1

Various embodiments include, for example, a memory-card holder including a one-piece, unitary tray formed entirely from a bio-degradable material. The tray has a cover portion and a bottom portion formed therein. At least one of the cover portion and the bottom portion has an indentation to accept a digital memory-card. The tray further includes a protrusion area on at least three sides projecting outward from and substantially parallel to the cover portion and the bottom portion. A hinge is integrally formed into the unitary tray and between the cover portion and the bottom portion. The hinge is arranged to allow the cover portion to fold over the bottom portion of the tray. A closure tab and an insertion slot are formed on distal, opposing ends of the tray and arranged to latch the cover portion and the bottom portion to one another. Other devices, apparatuses, and arrangements are described.

FOAMABLE COMPOSITION, BIODEGRADABLE PMI FOAM, AND PREPARATION METHOD THEREFOR

Resumen de: EP4790093A1

The present disclosure relates to a foamable composition, biodegradable PMI foam and preparation method thereof. The foamable composition comprises a comonomer, an initiator, a foaming agent and a crosslinking agent, wherein the comonomer comprises a first comonomer and a second comonomer, the first comonomer is selected from one or two of methacrylonitrile or acrylonitrile, and the second comonomer is selected from methacrylic acid; the composition further comprises a degradation agent selected from one or a combination of two or more of polylactic acid, starch-based polyether polyol and polycaprolactone; the weight ratio of the degradation agent to the comonomer is 30-132 : 180. The foamable composition of the present disclosure improves the biodegradation rate of PMI foam while retaining the original high performance of PMI foam, which is achieved through scientific incorporation of degradation agent and formula adjustment, and by adopting an in-situ polymerization technology.

COMPOSITION FOR MANUFACTURING ECO-FRIENDLY PLASTIC AND METHOD FOR MANUFACTURING THE SAME

Resumen de: KR20260122402A

본 발명은 친환경 플라스틱 제조용 조성물 및 이의 제조방법에 관한 것으로서, 보다 구체적으로 생분해성 플라스틱; 및 불가사리로부터 추출된 다공성 골격체;를 포함하고, 상기 불가사리는, 아무르 불가사리(Asterias amurensis), 별 불가사리(Asterina pectinifera), 거미 불가사리(Ophiuroidea) 및 빨강 불가사리 (Centonardoa semiregularis)로 이루어진 군으로부터 선택되는 어느 한 종 이상의 불가사리를 포함하는, 친환경 플라스틱 제조용 조성물 및 이의 제조방법에 관한 것이다.

METHOD FOR PRODUCING ECO-FRIENDLY CLAY USING DISPOSABLE PAPER TOWELS AND USE THEREOF

Resumen de: KR20260122587A

본 발명은 사용 후 수거된 일회용 페이퍼타올을 재활용하여 친환경 클레이 조성물을 제조하는 기술에 관한 것으로, 제1혼합물(일회용 페이퍼타올 분쇄물)과 제2혼합물(곡물가루, 소금, 주석산, 오일로 구성)을 포함하고, 두 혼합물이 1:5 내지 1:20의 중량비로 혼합된 것을 특징으로 하며, 이러한 기술적 특징으로 인해 본 발명의 클레이는 기존 클레이 대비 동일 부피 기준으로 10~17% 더 가벼운 경량성을 제공하면서도 높은 강도와 내구성을 유지하며, 상온 보존 기간이 길고 표면이 단단하고 잘 부러지지 않는 친환경 클레이를 제공한다. 또한, 본 발명은 일회용 페이퍼타올의 세척 및 멸균 공정에서 초음파를 활용하여 세척 효율을 극대화하고, 위생적인 재료로의 업사이클링을 가능하게 한다. 세척된 페이퍼타올은 섬유질 구조를 유지하며, 곡물가루와 혼합하여 제조된 반죽은 스팀 주입 및 펀칭 공정을 통해 균일한 열처리를 받음으로써 성형성과 물리적 특성, 살균력이 더욱 향상되어 HACCP 기준의 안전성을 확보하게 된다. 따라서 본 발명은 폐기물을 자원으로 전환하여 환경적 부담을 줄이고, 순환 자원 활용 체계를 구축하며, 클레이의 경량성, 강도, 내구성, 보존성 및 활용성을 동시에 개선한 기술적 우위를 제공한다.

COMPOSTABLE TOP LID STRUCTURE FOR A BEVERAGE PREPARATION CAPSULE AND USE OF CAPSULE COMPRISING SAID COMPOSTABLE TOP LID STRUCTURE

Resumen de: EP4789984A2

1.A capsule (100) for preparing a beverage in a beverage production machine, wherein the capsule (100) comprises:- a capsule body (200) with a sidewall (210) delimiting a chamber (250) for containing a substance (500) for the preparation of the beverage, and a rim portion (211);- an injection wall (220) for injecting a fluid in the chamber (250) for preparing the beverage upon interaction of the fluid with the substance (500); and- a delivery wall (300) being connected to the capsule body (200) to close the chamber (250),wherein the delivery wall (300) comprises in a layered manner:∘ a retention layer (320) being adapted to be opened upon interaction with opening elements under the effect of rising pressure of the fluid being injected into the capsule (100),∘ a filter layer (310) for filtering out particles from the prepared beverage dispensed via the delivery wall (300), the filter layer (310) is provided opposite to the chamber (250) with respect to the retention layer (320),∘ a moisture and/or oxygen barrier layer having a barrier function against liquid and/or gaseous substances entering and/or leaving the chamber (250), and∘ a first adhesive layer covering, at least partially, the delivery wall (300), preferably the retention layer (320) on the side of the delivery wall (300), preferably the retention layer (320) that is oriented towards the chamber (250) for joining the delivery wall (300) to the capsule body (200), preferably to the rim portion (211); andwherei

ABUTMENT SURFACES PROVIDED WITH RECESSES, CORRESPONDING SEMI-FINISHED PRODUCTS, AND PROCESSES FOR THE PREPARATION THEREOF

Resumen de: WO2025074210A1

The present invention refers to the field of the food packaging, particularly refers to a containment/containing structure (II), such as an abutment surface, comprising at least one cavity/recess/depression/hollow (γ) provided with a through hole (γ1), having different shapes, volumes/capacities and dimensions/sizes.

폴리하이드록시알칸산 응집체의 제조 방법

Resumen de: WO2025134498A1

To provide a method for efficiently producing a high-purity aggregate of PHA from a culture solution containing polyhydroxyalkanoic acid (PHA) accumulated in bacterial cells.　An aggregate of PHA is obtained by a very simple method in which hydrogen peroxide and a surfactant are added to a culture solution containing bacterial cells containing PHA and stirred under prescribed conditions.

Bioplastics with improved heat resistance and Manufacturing method thereof

Nº publicación: KR20260122004A 11/08/2026

Solicitante:

경상국립대학교산학협력단

Resumen de: KR20260122004A

본 발명은 내열성이 향상된 바이오 플라스틱 및 이의 제조 방법에 관한 것으로, 전분 기반 플라스틱을 제조하기 위하여 전분을 용해시키는데 아세트산 수용액과 시트르산 수용액을 각각 사용하거나 또는 혼합하여 사용함으로써 화학적 상호작용으로 인해 발생하는 새로운 조합 효과를 파악하여 내수성 · 내구성 · 내열성이 향상된 바이오 플라스틱의 제조 방법을 제공하는 효과가 있다. 또한, 본 발명은 전분 플라스틱의 성분, 코팅액의 성분, 코팅 횟수, 코팅 분사량 등을 최적화하여 환경친화적 특성과 우수한 물리적 성능을 동시에 갖춘 바이오 플라스틱을 제공하는 효과가 있다.