Resumen de: MX2025002939A
The present invention concerns an improved packaging item (1) comprising a body (2) made of rigid or semi-rigid moulded cellulose pulp, said item further comprising a multilayer film liner (3) attached to the inner surface of the cellulose pulp body (2), said liner comprising from inside to outside, a biodegradable outermost organic adhesive layer (7) for attaching the liner to the moulded cellulose pulp, an organic middle barrier layer (8) comprising a modified alcohol-based polymer (BVOH), and an innermost biodegradable organic structural layer (9).
Resumen de: KR20250118389A
일 측면에 따르면, 재생 폴리올레핀, 탄산칼슘 및 스테아르산을 포함하는, 담배용 포장재가 제공된다.
Resumen de: EP4596446A2
Die Erfindung betrifft ein Behältnis mit einem mindestens eine Öffnung (2) aufweisenden Behälter (1) und einem Deckel (5) zum Verschließen der Öffnung (2), der über ein elastisch verformbares Scharnier mit dem Behälter (1) verbunden ist. Der Behälter (1) besteht aus Faserstoff und weist eine biologisch abbaubare oder bioinerte Beschichtung auf, wobei ein an dem Deckel (5) befestigter flexibler Scharnierstreifen (6') aus Fasermaterial an den Behälter (1) geklebt ist.Damit ein Käufer erkennen kann, dass die Ware innerhalb des Behälters originalverpackt ist, weist der Scharnierstreifen (6') mindestens einen mit dem Behälter (1) verklebten Siegelabschnitt (9) auf, der perforiert ist und beim Öffnen des Deckels (5) entlang der Perforation (10) getrennt wird.
Resumen de: EP4596587A1
Eine Vorrichtung zur kontinuierlichen thermischen Behandlung eines wässriges Stärkezustands wird bereitgestellt, die Folgendes aufweist: eine Heizstrecke, um den Stärkezustand zu erhitzen und unter Druck zu setzen, eine Entspannungsstrecke, um den erhitzten und unter Druck stehenden Stärkezustand auf einen Referenzdruck zu entspannen, wobei die Entspannungsstrecke eine Abscheidungseinrichtung aufweist, um eine bei der Entspannung des Stärkezustands entstehende gasförmige Phase von dem Stärkezustand abzutrennen, und eine Rückführeinspeisungseinrichtung, um die in der Abscheidungseinrichtung abgetrennte gasförmige Phase in die Heizstrecke einzuspeisen.
Resumen de: GB2637670A
A biodegradable composite comprising: a biodegradable polymer of biodegradability of 80-95% measured according to a biodegradability test of ASTM D6400 - 19 standard, wherein the polymeric matrix of the biodegradable polymer may have a tensile strength of 30-45 MPa and an elastic modulus of 2600-3600 MPa; a bio-derived fiber with a tensile strength and an elastic modulus greater than that of the polymeric matrix, the fiber infused with a bio-derived wax to have a surface energy of 45-50 mJ/m2, the fiber with average diameter of 20-30 µm and average length of 15-20 mm. The preferred embodiment uses beeswax treated hemp fibers with poly-3-hydroxybutyrate-co-3- poly-3-hydroxyvalerate (PHBV). The composite can be formed into a container. A method of producing said composite comprises wetting the bio-derived fiber with a wax emulsion, infusing it, then fusing said wax infused bio-derived fiber with the biodegradable plastic. The composite may exhibit a water contact angle ≥ 90 degrees. The biodegradable plastic may be one of or a mix of poly-3-hydroxybutyrate (P3HB), poly-4-hydroxybutyrate (P4HB), poly-3-hydroxybutyrate-co-4-hydroxybutyrate (P3HB-co-4HB), poly-3-hydroxybutyrate-co-3- poly-3-hydroxyvalerate (PHBV), poly-3-hydroxybutyratehexanoate (PBHH), polylactic acid (PLA), thermoplastic starch (TPS), polycaprolactone (PCL), polybutylene succinate (PBS), polyglycolic acid (PGA), poly(lactic-co-glycolic acid) (PLGA), polybutylene adipate terephthalate (PBAT), polyvinyl alcohol
Resumen de: GB2637802A
A fully recyclable container and a method of manufacturing the same is provided. The container includes a cap 10, a shoulder 20, a body 30, a base 40, and a liner 50. The cap 10, the shoulder 20, and the base 40 are made of biodegradable plastic by injection molding while the body 30 is made of waterproof paper. The cap 10, the shoulder 20, and the base 40 are detachably connected to form a housing of the container. The liner 50 is formed inside the housing by blow molding of biodegradable plastic. The respective components of the container are completely made of biodegradable or bio-decomposable material and able to be disassembled for sorting and recycling. Thereby the fully recyclable container completely meets requirements of environmental protection and recycling.
Resumen de: EP4596435A1
A fully recyclable container and a method of manufacturing the same is provided. The container includes a cap 10, a shoulder 20, a body 30, a base 40, and a liner 50. The cap 10, the shoulder 20, and the base 40 are made of biodegradable plastic by injection molding while the body 30 is made of waterproof paper. The cap 10, the shoulder 20, and the base 40 are detachably connected to form a housing of the container. The liner 50 is formed inside the housing by blow molding of biodegradable plastic. The respective components of the container are completely made of biodegradable or bio-decomposable material and able to be disassembled for sorting and recycling. Thereby the fully recyclable container completely meets requirements of environmental protection and recycling.
Resumen de: SE2230313A1
The present invention relates to a method for reducing the load of microbial contaminants in a pulp stock comprising a recycled fiber fraction, said method comprising the following steps performed in sequence:a) providing a pulp stock comprising a recycled fiber fraction at a consistency in the range of 2-10 wt% in water;b) adding a basic oxide selected from the group consisting of calcium oxide (CaO) and sodium oxide (Na2O) to the pulp stock and allowing the basic oxide to react with water to form the corresponding hydroxide, wherein the amount of the basic oxide added is sufficient to raise the pH value of the pulp stock to above 12.5 and to maintain the pH value of the pulp stock above 12.5 for at least 60 minutes;c) allowing the pulp stock to remain at a pH value above 12.5 for at least 60 minutes; andd) adding an organic oxidative acid to the pulp stock, wherein the amount of the organic oxidative acid added is sufficient to reduce the pH value of the pulp stock to below 10.
Resumen de: EP4596603A1
Provided is a method of producing a polyester by which the amount of cyclic oligomers in the polyester can be reduced to suppress deterioration of the quality. The object is achieved by a method of producing a polyester, the method including: an esterification reaction step of reacting a diol component containing 1,4-butanediol, with a dicarboxylic acid component; a pelletization step of pelletizing a polyester obtained through the esterification reaction step; and a contact treatment step of bringing a polyester pellet obtained in the pelletization step into contact with a contact treatment liquid; wherein in the contact treatment step, the contact treatment liquid upon the contact with the polyester pellet has a cyclic dimer concentration of not more than 3500 ppm by mass.
Resumen de: CN120035698A
The present invention relates to a bio-based adhesive composition that is environmentally friendly, renewable, compostable and/or biodegradable. A bio-based composition includes chitosan, an acid, and a plasticizer. By treating a nonwoven material with the bio-based adhesive according to the present invention, it is possible to provide a nonwoven material exhibiting excellent mechanical properties. The adhesive compositions according to the present invention are readily useful for treating different types of nonwoven materials, and can be adapted to provide certain properties to certain nonwoven materials and applications.
Resumen de: CN120018997A
The present application relates to a coated paper comprising a base paper and at least one coating layer applied directly or indirectly to the base paper wherein the coating layer comprises a) at least one natural wax and/or at least one carboxylic acid component and b) at least one natural resin; wherein the coated paper has a reduced permeability to at least one gas compared to the base paper. The invention also relates to a coating for producing the coated paper, a production method and a packaging produced thereby.
Nº publicación: EP4596450A1 06/08/2025
Solicitante:
SACCHITAL S P A [IT]
Sacchital S.p.A
Resumen de: EP4596450A1
Packaging (10) for hygienic sanitary products comprising compostable material. The packaging comprises a front wall (12), a back wall (14) opposite the front wall, a first side wall (16), a second side wall (18) opposite the first side wall, a first end wall (20), a second end wall (22) opposite the first end wall. The packaging (10) further comprises a flap (24) movable to and from a closed position and formed on at least one of the front wall (12), the back wall (14), the first side wall (16), the second side wall (18), the first end wall (20), the second end wall (22). The flap (24) is connected to the packaging (10) by a hinge segment (26) extending between a respective first end and a respective second end. The flap (24) comprises a perimeter defined by the hinge segment (26) and at least one weakening segment (28) and at least one cutting segment (30). Each weakening segment (28) comprises, between the respective first and second ends, an alternation of perforated sections and continuous sections between the flap (24) and the wall on which it is formed. The at least one cutting segment (30) comprises a continuous through cut extending from a respective first end to a respective second end. The perimeter of the flap (24) comprises a pair of cutting segments (30a, 30b), each placed consecutively with respect to said hinge segment (26) and each inclined at an angle comprised between 35° and 65° with respect to said hinge segment (26).