Absstract of: WO2023001872A1

The invention relates to a process for preparing a masterbatch comprising a polysaccharide, enzymes and a low-melting polymer in a mixer. The masterbatch is used in particular for the production of biodegradable plastic articles.

Absstract of: US2023025325A1

Packaging for liquid food, where the packaging has an outer casing (2) of cardboard, an inner bag (8) of plastic foil which consists of e.g. completely recyclable bio-polyethylene plastic, where the inner bag is arranged inside the outer casing (2) and completely fills it when the inner bag is filled with the food, and an opening module, here called MF module (12), which contains an emptying device and a filling device arranged on a plastic disc (14), wherein the emptying device comprises an emptying channel (13) and a stopper (19) and where the filling device comprises a filling channel (25) and a filling plug (26) and wherein the MF module (12) is connected to the inner bag (8) by that the underside of the plastic disc (14) is welded to the outside of the inner bag so that the emptying channel (13) connected to a hole (11) in the inner bag (8) where the filling channel (25) opens into the emptying channel (13) is connected to the outer cover (2) in that top flaps (6a-6d) of the outer casing are attached to a slot (17) in the plastic disc (14) along the side edges thereof. The application also includes a method for filling the packaging and a method for producing an inner bag for the packaging.

Absstract of: WO2023003848A1

The use of hemp paper for use in bags or newsprint.

Absstract of: WO2023004076A1

The use of hemp paper for use to manufacture paper sleeves and other devices made from hemp for holding cups.

Absstract of: WO2023003987A1

The use of hemp paper for use to manufacture cardboard cartons or corrugated boxes.

Absstract of: WO2023000019A1

Disclosed is a method of forming a bioplastic material. The method comprises providing a mixture comprising a keratinaceous substrate, and a secondary biopolymer substrate that includes one or more of an amine, hydroxyl and carboxyl group. The method also comprises 5 crosslinking the keratinaceous substrate and the secondary biopolymer substrate to form the bioplastic material. A crosslinking agent may be used.

Absstract of: US2023024021A1

A substrate treatment product comprising a package comprising at least one layer of fibrous or pulp material and at least one layer of a polymeric material selected from polylactic acid, polyhydroxyalkanoate, a polyester, polybutylenadipate terephthalate, a cellulose based material, a starch based material, a sugare cane based material and mixtures thereof, and the packaging containing a plurality of water-soluble capsules, each water-soluble capsule comprising a substrate treatment composition within a sealed compartment which is filled to at least 60% of the volume of the compartment, the package comprising (i) a receptable containing or more of said water soluble capsules and a closure; (ii) a child resistant closure mechanism comprising a first locking member on the receptacle and a second locking member present on the closure whereby the members interlock;wherein the substrate treatment composition has a viscosity in the range 200 mPa·s-2000 mPa·s at 25° C. at a shear rate of 21 sec−1, wherein the water soluble capsule comprises a water soluble film comprising polyvinyl alcohol, a modified polyvinyl alcohol, polyvinyl acetate, carboxymethylcellulose or hydroxypropyl methyl cellulose and wherein the water content of the substrate treatment composition is in the range 0.01-15% wt. based on the total weight of the composition.

Absstract of: WO2023003071A1

A packaging container having antibacterial and antiseptic effects, according to the present invention, comprises a natural antibacterial material, wherein the natural antibacterial material is not mixed with a normal polymer resin but rather is included in an adhesive layer that can be molded at room temperature, and thus high-temperature-induced destruction of the natural antibacterial material is prevented and an antibacterial property thereof is further improved. In addition, in order for the antibacterial power of the natural antibacterial material included in the adhesive layer to be expressed, stretch blow molding is applied during molding so that pores are formed in an inner layer, and thus high antibacterial property is maintained without deterioration in mechanical properties of the container.

Absstract of: WO2023003291A1

The present invention relates to a method for preparing a natural biodegradable superabsorbent polymer and use thereof. The absorption power of a superabsorbent polymer prepared according to the preparation method of the present invention is at a level sufficient to meet a reference value, and the superabsorbent polymer has a more significant biodegradation effect than conventional synthetic superabsorbent polymers as a result of biodegradation experiments, and thus can be effectively used in hygiene products for the purpose of absorbing moisture and the like.

Absstract of: US2023021518A1

A method for preparing a rooting plug is disclosed. The method calls for mixing a composition comprising (i) 0.2%-10% w/w bio-degradable polymer and (ii) an organic non-hydroxylic solvent with a plug mix. The resulting method prepares a rooting plug.

Absstract of: US2023027593A1

The use of hemp paper for use to manufacture paper sleeves paper sleeves and other devices made from hemp for holding cups.

Absstract of: US2023027137A1

The use of hemp paper for use to manufacture cardboard cartons or corrugated boxes.

Absstract of: US2023025420A1

The present invention concerns a biodegradable and compostable composition comprising i) 15-70% by weight of at least one biodegradable and/or decayable aromatic polyester; ii) 0-40% by weight of dolomite and/or calcium carbonate particles having a polished surface; iii) 0-30% by weight of starch of vegetable origin; iv) 1-5% by weight of at least one oil of vegetable origin; v) 5-30% by weight of an additive chosen from hydrated magnesium silicate such as talcum powder; vi) 0-50% by weight of at least one aliphatic polyester.

Absstract of: WO2023001911A1

The present invention relates to a process for preparing an antimicrobial cellulose-containing microporous superabsorbent composition from an herbaceous plant material, the process comprising the step of comminuting dry granulated herbaceous plant material to form microparticles having an average particle diameter of from 100 μm to 800 μm; to obtain the cellulose -containing microporous superabsorbent composition.

Absstract of: WO2023001872A1

The invention relates to a process for preparing a masterbatch comprising a polysaccharide, enzymes and a low-melting polymer in a mixer. The masterbatch is used in particular for the production of biodegradable plastic articles.

Absstract of: WO2023004258A1

Aqueous coating compositions for coating fiber-based products are provided that comprise an acrylic latex in an amount of from about 48wt% to about 80wt% based on dry solids content of the composition; talc in an amount of from about 20wt% to about 50wt% based on dry solids content of the composition; and chemically functionalized, cold water soluble, anionic starch in a dry solids content of from about 0.1wt % to about 10wt%, wherein the aqueous composition has a total dry solids content of from about 30 to about 70 wt% based on the weight of the total composition. Methods of preparing the coating composition, fiber-based products comprising a coating of the coating composition, and methods of preparing these coated fiber-based product are also described.

Absstract of: US2023022793A1

The use of hemp paper for use in bags or newsprint.

Absstract of: GB2609040A

A process for preparing a cellulose-containing microporous superabsorbent composition includes comminuting dry granulated herbaceous plant material, e.g. sugar beet, orange peel or apple residue, to form microparticles having an average particle diameter from 100μm to 800μm. Preferably the method includes contacting the microparticles with an aqueous alkaline solution, neutralising and/or washing the mixture, removing fluids from the mixture, and drying the obtained material. The starting material may comprise less than 20wt.% lignin. The superabsorbent composition may have a water absorption capacity (WAC) in the range of from 2 to 10. The cellulosic superabsorbent composition may be a material which comprises a fluid-superabsorbent volume area able to absorb 3-6 times of the original weight within 30 seconds, and may exhibit a virucidal activity as expressed by a reduction in viral titre of influenza A and/or human coronavirus of above 90% as determined pursuant to ISO18184:2019. The material may be in the form of a medical, surgical, sanitary or protective article, e.g. a dressing, pad, tampon, gown, glove etc, a packaging material or a particulate absorbent for spills. An antimicrobial or other functional agent may be adhered to the material to form a functionalised superabsorbent composition.

Absstract of: EP4122948A1

An aspect of the present disclosure provides a synthetic polymer containing a first segment containing a polypeptide skeleton and one or a plurality of second segments bonded directly to the first segment, in which the second segment contains a molecular group having a plasticizing function for the polypeptide skeleton.

Absstract of: EP4122988A1

Aqueous coating compositions for coating fiber-based products are provided that comprise an acrylic latex in an amount of from about 48wt% to about 80wt% based on dry solids content of the composition; talc in an amount of from about 20wt% to about 50wt% based on dry solids content of the composition; and chemically functionalized, cold water soluble, anionic starch in a dry solids content of from about O.lwt % to about 10wt%, wherein the aqueous composition has a total dry solids content of from about 30 to about 70 wt% based on the weight of the total composition. Methods of preparing the coating composition, fiber-based products comprising a coating of the coating composition, and methods of preparing these coated fiber-based product are also described.

Absstract of: EP4122664A1

Compositions include a plurality of polymer particulates comprising a matrix polymer and one or more types of nanoparticles selected from the group consisting of biopolymer nanoparticles, biomineral nanoparticles excluding biomineralized silica alone, and any combination thereof. Illustrative examples of such nanoparticles may include cellulose nanoparticles, hydroxyapatite nanoparticles, or any combination thereof associated with the matrix polymer. The polymer particulates may be prepared by melt emulsification. Methods include depositing such polymer particulates in a powder bed; and heating a portion of the powder bed to consolidate a portion of the polymer particulates into a consolidated part having a specified shape. The matrix polymer may be biodegradable and lose at least about 40% mass in six days in a phosphate buffer solution (0.2 M, pH 7.0) containing 0.2 mg/mL of lipase obtained from Pseudomonas cepacia (≥30 U/mg) and incubated at 37°C.

Absstract of: FR3125297A3

L’invention a pour objet un matériau destiné à la fabrication de contenants, tels que notamment des caisses pour bouteilles de champagne. Il est caractérisé en ce qu’il comprend : - Entre 25% et 40% en grammes de poudre de ceps de vigne, - Entre 47% et 68% en grammes d’anas de lin, et - Entre 7% et 13% d’un agent liant. L’invention porte également sur un contenant obtenu à partir d’un tel matériau. Figure pour l’abrégé : Fig. 1

Absstract of: WO2023287277A1

The present invention relates to a moulded fiber container for dairy products, method for manufacturing such container and use thereof. The moulded fiber container according to the invention comprises: - a cup-like container body configured for holding an amount of a dairy product, and having a bottom part and wall part; - a flange configured for attaching a sealing lid thereon for closing the cup-like container body; wherein the cup-like container body and the flange are a moulded fiber product, wherein the inner surface of cup-like container body is provided with an inner barrier- coating, and wherein the outer surface of cup-like container body is provided with an outer barrier- coating and/or in-mould paper label.

Absstract of: WO2023287278A1

The present invention relates to a modified atmosphere packaging unit, and method for manufacturing such unit and the use thereof. A modified atmosphere packaging unit according to the invention comprises: - a product receiving body configured for holding a product, and having a bottom part and a wall part; - a flange configured for attaching a seal thereon for closing the product receiving body; - a seal or lid that is attached to the flange, wherein the product receiving body and the flange are a moulded fiber product comprising: - an amount of plant-based fiber material; - an amount of wet strength agent; and wherein the product receiving body and the seal or lid is provided with a biodegradable barrier-coating and/or a biodegradable barrier-film.

Absstract of: WO2023285111A1

The invention relates to an insulating material (10), in particular for sound and/or thermal insulation, comprising - a plurality of leather fibers (12), preferably made of finished leather, - wherein each leather fiber (12) has a connecting region (14) and a free region (16), - a binder (18), by which only the connecting regions (14) of the leather fibers (12) are connected to each other.