Alerta

MARINE BIODEGRADABLE POLYMER PARTICLE GROUPS AND PRODUCTION METHOD FOR SAME

Absstract of: US20260209481A1

Marine biodegradable polymer particle groups according to the present invention comprise a polymer compound obtained by using two or more at least divalent metal cations to crosslink a water-soluble polymeric polyvalent anion that has a monovalent anionic substituent and includes at least a compound derived from alginic acid. The marine biodegradable polymer particle groups satisfy conditions (1)-(4). (1) The at least divalent metal cations are 3-30 mass % of the particle groups. (2) The difference between the maximum value and the minimum value of the atomic radii of the metal elements of the at least divalent metal cations is at least 15 Å. (3) The at least divalent metal cations of metal elements that have atomic radii of at least 150 Å are at least 25 mass % of all the at least divalent metal cations. (4) The water absorption of the particle groups is less than 300 mL/100 g.

SINGLE AND MULTILAYERED DENTAL APPLIANCE AND MATERIAL CONSTRUCTION USING BIO-BASED AND BIOPLASTIC POLYMERS.

Absstract of: AU2024205432A1

A revolutionary dental appliance using "bio-based and bioplastics" sheets have been revealed, representing a significant advancement in dental technology for the greener world. These state-of-the-art dental appliances are crafted with single layer and multiple layers composed of one or more of a "bio-based and bioplastics" polymer material with minimum bio-based content or bio-mass and with a modulus ranging from approximately 800 MPA to 3,200 MPA, denoted as "HARD" and from "bio-based and bioplastics" polymers with bio-based content or bio-mass and modulus between about 50 MPa to 550 MPa, denoted as "SOFT". The layers can be organized as single layer and HARD-SOFT-HARD or SOFT-HARD-SOFT multilayers combination. This innovation demonstrates unparalleled flexibility, strength, and superior stain resistance, surpassing the performance of current petro-based polymers used in traditional and modern dental appliances.

MOISTURE-RESISTANT BIODEGRADABLE SHEET AND FOOD CONTAINER USING SAME

Absstract of: US20260210048A1

A biodegradable sheet using fibers obtained from seaweed and a food container using same. An aspect includes a biodegradable sheet in the form of a web in which first fibers obtained from seaweed and second fibers obtained from wood and a plant are networked together, wherein a ratio L1/L2 of an average length (L1) of the first fibers to an average length (L2) of the second fibers is 0.1-0.5, and the first fibers are uniformly inserted into the upper portion and pores of the web comprising the second fibers, the biodegradable sheet having a moisture content of 10 wt % or less with respect to dry weight and a bulk density of 5.0-7.0 g/cm3. Also, a moisture-resistant biodegradable sheet which, by comprising a moisture-resistant coating layer formed by coating or impregnating on one or both sides of the biodegradable sheet, has excellent water resistance and oil resistance.

MATERIALS CONTAINING CELLULOSE NANOFIBERS

Absstract of: US20260210042A1

A material containing cellulose nanofibres, the material comprising a gel material comprising cellulose nanofibres in an aqueous medium, the cellulose nanofibres having 10% or more by weight hemicellulose. The cellulose nanofibres have a diameter of less than 100 nm, or less than 50 nm, or less than 20 nm. The gel material can be used as an adhesive to make laminates or to make paper by dewatering the gel material.

CAVITATION-INDUCING BIODEGRADABLE POLYMERIC PARTICLES

Absstract of: US20260207793A1

The present invention provides a cup-shaped particle comprising a first polymer and a second polymer; wherein the first polymer is a biodegradable polymer; the second polymer is a crosslinked copolymer of two or more different methacrylate monomers and at least one crosslinking agent, wherein the at least one cross-linking agent comprises one or more dimethacrylates; and wherein the cup has a cavity having an opening of at least 50 nm in size.

PROCESSING AID, MASTER BATCH, THERMOPLASTIC RESIN COMPOSITION, MOLDED BODY, AND PRODUCTION METHODS THEREFOR

Absstract of: AU2024417376A1

The purpose of the present disclosure is to provide a processing aid and a master batch that are capable of improving the processability of a thermoplastic resin, a thermoplastic resin composition and a molded body using the same, and production methods for these. The present disclosure is a processing aid containing a deterioration inhibitor and a polyester resin.

WATER ACTIVATED ADHESIVE MIXTURE

Absstract of: US20260209574A1

0000 Described is an adhesive coating that can be applied, for example, to a surface of the insulation product. The adhesive coating includes between about 15-40% by weight of the adhesive coating of at least one of polystyrene-maleic anhydride (SMA) and polyacrylic acid (PAA), between about 15 and 50% by weight of the adhesive coating of a polyvinyl alcohol, between about 0.05% and 1.0% by weight of a homogenizer, and between about 20 and 40% by weight of the adhesive coating of a starch paste. The adhesive is activated with the application of liquid water.

BIO-BASED LAMINATED FILM AND PREPARATION METHOD THEREOF

Absstract of: US20260208421A1

0000 The present application relates to the technical field of optical films, and particularly discloses a bio-based laminated film and a preparation method thereof. The laminated film is obtained by alternately laminating two resins with different refractive indices, one of which is a bio-based polyester resin, the difference in refractive index between the two resins is larger than or equal to 0.05, and the laminated film reflects light with a wavelength ranging from 300 nm to 1200 nm; the bio-based polyester resin is polyethylene 2,5-furandicarboxylate or polyhydroxyalkanoate; the laminated film is biodegradable in property and achieves the improvements on the mechanical property and the optical property.

MODIFIED VINYL ALCOHOL COPOLYMER, RESIN FILM AND WATER-SOLUBLE PACKAGING

Absstract of: US20260209398A1

0000 A modified polyvinyl alcohol copolymer has a degree of saponification of 70 mole % or more according to JIS K 6726 (1994) standard, comprising monomer units containing carboxyl groups and monomer units containing lactam functional groups; wherein when a <1>H-NMR spectrum of the copolymer is measured at 400 MHz and 25° C. using DMSO-d6 as solvent, an integrated area of the spectrum from 3.65 to 4.00 ppm is defined as 1 and the integrated area from 2.05 to 2.35 ppm in the spectrum is 0.002 to 0.200; wherein when the copolymer is subjected to thermal analysis using a differential scanning calorimeter, in the curve with temperature as X-axis and heat flow as Y-axis, the slope between 100° C. and melting point Tm (° C.) is between −0.00100 and −0.00190 W/g° C. The copolymer is applicable for preparing polyvinyl alcohol water-soluble films. The present disclosure also relates to a resin film and water-soluble package.

IMPROVED LIGNIN-BASED BINDER COMPOSITIONS AND USES THEREOF

Absstract of: WO2025056704A1

The present invention relates to an aqueous curable binder composition comprising (i) from more than 50 - 90 wt% of a polyphenolic macromolecular compound, a polyprimary amine and a carbohydrate selected from monosaccharide, disaccharide, trisaccharides, tetrasacharides, pentasaccharides and/or reaction products thereof. The invention binder is suitable to bond fibers, such as mineral fibers, synthetic fibers, wood fibers, wood particles, wood chips, wood strands or wood sheets to form insulation products and wood boards. The binder shows good bond strength notably under wet conditions.

Beverage capsule

Absstract of: GB2703279A

A capsule 8 for use in a coded capsule beverage system with a centrifugal unit adapted to rotate a coded capsule (1, fig. 1) having a body with an opening and a flange, the capsule comprising a body with an opening and a capsule wall with an outer profile, the capsule wall having an outer diameter at the opening, the diameter of the body being less than the diameter of the coded capsule body, wherein the capsule is provided with a beverage precursor and is closed by a foil with a diameter greater than that of the capsule. Preferably the foil wraps around the outer rim of the coded capsule. Fig. 5

STORAGE CONTAINER FOR STORING GOODS

Absstract of: WO2025056764A1

The present invention relates to a storage container (10) for storing goods (46), comprising a receiving vessel (12) having at least one receiving opening (18) and at least one first receiving space (20) operatively connected to the receiving opening (18), and comprising at least one goods receiving container (14), wherein the goods receiving container (14) is dimensioned such that it can be introduced through the receiving opening (18) of the receiving vessel (12) into the first receiving space (20) of the receiving vessel (12) and can be received therein, wherein the goods receiving container (14) has at least one second receiving space (22) for receiving the goods (46). The goods receiving container (14) consists at least partially, mostly or completely of a fibre-containing material. The receiving vessel (12) is at least partially or completely transparent or at least partially or completely translucent. The invention also relates to the use of such a storage container (10).

PACKAGING APPARATUS AND METHOD

Absstract of: GB2595934A

Packaging apparatus comprises two counter-rotatable sealing dies for pressing together two tissue webs to produce pockets for containing a substance for preparing beverages and to seal around said pockets, and two heating drums 5 for heating the sealing dies and each being positioned inside a respective sealing die, wherein a first heating zone 10a of each heating drum comprises a first plurality of circumferentially distributed infrared heating elements 9a, and a second heating zone 10b of each heating drum comprises a second plurality of circumferentially distributed infrared heating elements 9b. The infrared heating elements 9b of the second heating zone 10b may be axially or circumferentially offset from the infrared heating elements 9a of the first heating zone 10a. There may be a temperature control system 15 configured to independently control the first 9a and second 9b infrared heating elements, where a temperature sensor may sense the temperature at a sealing die. The infrared heating elements may comprise a short-wave carbon infrared element in a quartz glass tube. Further disclosed is a method for packaging a substance, where the substance to be packaged may comprise tea leaves.

ADHESIVE COMPRISING POLYVINYL ACETATE AND A MIXTURE OF GLUCOSE AND FRUCTOSE

Absstract of: WO2024006761A1

Aqueous adhesive compositions comprising polyvinyl acetate can be extended by a) providing an adhesive polymer component wherein at least about 75% of adhesive polymer materials present in the adhesive polymer component is polyvinyl acetate; b) providing an aqueous saccharide composition comprising fructose and glucose in a fructose to glucose weight ratio of from about 3:10 to about 10:3, wherein the fructose and glucose combined are at least about 50 percent of all saccharides present in the aqueous saccharide composition. The aqueous saccharide composition has a total saccharides dry solids content of at least 70 percent by weight based on the total aqueous saccharide composition. The adhesive polymer component is mixed with the aqueous saccharide composition to form an extended aqueous adhesive composition comprising from about 5 to about 50 percent by dry weight of the saccharide composition. Compositions and methods of use are also described.

THREADED PAPER LID FOR CONTAINER

Absstract of: EP4242127A1

The present invention relates to a paper lid 3. The paper lid 3 comprises a central lid panel 7, 31 and a fitting flange 5. The fitting flange 5 is adapted to be arranged on a receptacle 2 of a container 1. The fitting flange 5 is made of paper material, wherein the fitting flange 5 forms a radially outer side 9 of the paper lid 3. A groove 11 is formed in the radially outer side 9 of the fitting flange 5 and the groove 11 forms a thread 13 on a radially inner side 15 of the fitting flange 5. The invention further provides a container, stack of at least two containers and a method for producing a lid

WATER-SOLUBLE FILMS, WATER-SOLUBLE UNIT DOSE ARTICLES, AND METHODS OF MAKING AND USING THE SAME

Absstract of: CN116368075A

The invention relates to water soluble films, water soluble unit dose articles, and related methods of making and using the same.

Poliéster biodegradable y películas de embalaje adhesivas fabricadas con el mismo

Absstract of: WO2021239637A1

A biodegradable aliphatic-aromatic polyester for the production of packaging films, having a Poisson's ratio (RVE) between 800 and 1700, comprising units of at least one dicarboxylic acid and at least one diol, in which Mn ≥ 40000 and Mw/q≤ 90000, in which q is the percentage by weight of polyester oligomers having a molecular weight ≤ 10000.

複合体を分離する方法、複合体、及び複合体の製造方法

Absstract of: JP2026119696A

【課題】機能的な複合体の資源循環を促進できる方法を提供すること。【解決手段】複合体を無機材料及び有機材料に分離する方法であって、（ａ）リン酸セラミックス、並びに（ｂ）２個以上のカルボキシル基を含むポリカルボン酸化合物及び生分解性ポリマーの所定の連結物を含む複合体を酸性条件下で処理して、リン酸セラミックスを無機材料として及び前記連結物を有機材料として分離することを含む、方法。【選択図】なし

BIODEGRADABLE AND COMPOSTABLE PACKAGING MATERIAL AND METHOD THEREOF

Absstract of: WO2026150303A1

A biodegradable packaging material and method thereof is provided. The biodegradable packaging materials includes molded items, flexible sheets, and films, derived from agricultural and industrial residues such as used cooking oil, tamarind kernel seed waste, and bamboo dust. The agricultural and industrial residues are formulated using natural binders like cassia gum and xanthan gum, processed through microwave-assisted reactive blending, and converted into bio-pellets via twin- screw extrusion. The biodegradable packaging material is customizable in transparency, fragrance, and flavor, making the biodegradable packaging material ideal for food packaging, consumer goods, and nutraceuticals. The disclosure offers a sustainable, cradle-to-cradle solution, reducing dependency on fossil-based plastics.

BIODEGRADABLE AND NON-FIBROUS FILMS AND METHODS OF FORMING THE FILMS

Absstract of: US20260200651A1

Biodegradable and non-fibrous films and methods of forming the films are provided herein. In an embodiment, a biodegradable and non-fibrous film comprises a thermoplastic polysaccharide and a biodegradable polyester. The film has a thickness of from about 15 μm to about 250 μm. When the film has a thickness of 50 μm, the film has a water vapor transmission rate (WVTR) of from about 50 grams per square meter per day to about 2500 grams per square meter per day, as measured in accordance with ASTM E96-22 at a temperature of 38° C., a relative humidity of 90%, an airflow velocity of 0.3 m/s, and a barometric pressure of 941.2 mbar. In an embodiment, a method of forming the biodegradable and non-fibrous film comprises blending a thermoplastic polysaccharide and a biodegradable polyester to form an intermediate composition, and gel extruding the intermediate composition to form the film.

CUSHION SHEET PRODUCTION MODULE AND PACKAGING BAG PRODUCTION DEVICE THEREOF

Absstract of: US20260200640A1

0000 A cushion sheet production module includes a first unreeling unit for unreeling a first sheet, a buffer layer feeding unit for unreeling a buffer layer above the first sheet, the buffer layer and the first sheet fed along a feeding direction, glue applied on the buffer layer and/or the first sheet, a paper pressing unit for rolling and pressing the first sheet and the buffer layer, a cutting unit arranged between the paper pressing and buffer layer feeding units and configured to roll and cut the buffer layer with cut positions spaced apart and perpendicular to the feeding direction, the buffer layer feeding unit fed at a speed lower than the first unreeling unit to form uncovered intervals on the first sheet, the intervals formed to feed the buffer layer further at a speed same as the first sheet, to connect the buffer layer with the first sheet.

USE OF WASTE AS INDUSTRIAL AND MEDICAL MATERIALS

Absstract of: WO2026151418A1

The present invention pertains to biodegradable materials and their applications in the medical and industrial sectors, particularly for disposable devices made from bioplastics. These devices are designed for use in medical diagnostics, surgical procedures such as Post-operative catheters, drains, catheters, disposable gloves, caps, overshoes, surgical table covers, disposable pipette tips, injection materials, and industrial operations such as condoms, vaginal speculums, specimen containers, measuring cups, urinals, and medical bands and as industrial purpose with garbage bags, disposable straws, refrigerator bags, stretch film, food preservation bags, clothing bags, shopping bags, hamburger sandwich bags, vegetable preservative bags, providing a biodegradable alternative to conventional petrochemical-based plastics. Furthermore, the invention offers methods for the environmentally responsible disposal of these devices via sterilization, shredding, and industrial composting. These bioplastics are formulated with plasticizers and additives to improve mechanical strength, flexibility, and thermal stability. The invention addresses both the production of high-performance bioplastic devices, such as syringes, sharps containers, suction canisters, and packaging materials, and methods for environmentally responsible disposal through sterilization, shredding, and industrial composting. The bioplastics used in this invention degrade within 12 months under composting conditions.

METHOD FOR PREPARING THERMORESISTANT VACUUM-FORMED PLA TABLEWARE

Absstract of: US20260201132A1

0000 The present application relates to the technical field of tablewares, and particularly, to a method for preparing a thermoresistant vacuum-formed PLA tableware. The method includes the following steps: preparing a sheet from a raw material of the vacuum-formed PLA tableware via extrusion using an extruder, and preparing a tableware preform from the sheet via vacuum forming, the tableware preform includes PLA that is not completely crystallized; and subjecting the tableware preform to carbon dioxide soaking treatment at constant temperature and pressure to crystallize the uncrystallized PLA in the tableware preform, so as to obtain a PLA tableware product with a thermal resistance above 100° C.

FOOD CONTAINERS HAVING LOCKING INTERFACES

Absstract of: US20260200643A1

0000 A container includes a molded fiber tray at least partially defining a tray internal volume. The tray includes a perimeter wall extending upward from a bottom tray surface, a rest extending outward from the perimeter wall, a parapet extending upward from the rest, and a tray build-up projecting inward from the parapet. The tray build-up and the rest at least partially define a gap therebetween. The container includes a molded fiber lid at least partially defining a lid internal volume. The lid includes a perimeter wall extending downward from a lid upper surface, and a ridge extending downward from the perimeter wall. The ridge includes an outer ridge wall, a lateral surface extending inward from the outer ridge wall, and a lid build-up projecting outward from the outer ridge wall. The lid build-up is configured to be received in the gap when the container is in a closed condition.

粉末状セルロースの製造方法

Nº publicación: JP2026117373A 16/07/2026

Applicant:

日本製紙株式会社

Absstract of: JP2026117373A

【課題】本発明は、粉砕処理における粉砕機の破損を回避でき、粉末状セルロースを効率的に製造することのできる方法を提供することを目的とする。【解決手段】本発明は、アスペクト比が５０以下のセルロース原料を、線径５０～１５０μｍ、目開き５０～１５０μｍのスクリーンメッシュを備える粉砕機により粉砕する粉砕処理を含む、平均粒子径が２０～６０μｍである、粉末状セルロースの製造方法を提供する。粉砕機は、さらに補助メッシュを備えることが好ましい。【選択図】なし