Absstract of: WO2024162364A1
The present invention provides: a polyvinyl alcohol resin which enables the achievement of a water-soluble film having good solubility in cold water and good mechanical strength, and which has good biodegradability and exhibits excellent filterability if formed into an aqueous solution; and a water-soluble film, an extrusion molded article, a filament, a nonwoven fabric, a container, a method for producing a water-soluble film, and an aqueous solution, each of which comprises this polyvinyl alcohol resin. The present invention specifically provides a polyvinyl alcohol resin which contains, as a main component, a modified polyvinyl alcohol that comprises a unit represented by formula (1), wherein the ratio (N1/N2) of the number (N1) of 1 µm-sized particles to the number (N2) of 2 µm-sized particles in 1 mL of 2 mass% aqueous solution of the polyvinyl alcohol resin is 0.1 to 50. In formula (1), R represents a single bond or a divalent organic group. M represents a hydrogen atom, a metal atom or an ammonium group.
Absstract of: WO2024162365A1
Provided are: a polyvinyl alcohol resin that can yield a water-soluble film having good cold water solubility and mechanical strength, that has good biodegradability, and that has excellent filterability when made into an aqueous solution; a water-soluble film, an extrusion-molded article, a filament, a nonwoven fabric, and a container that contain such a polyvinyl alcohol resin; a method for producing a water-soluble film; and an aqueous solution. The present invention is a polyvinyl alcohol resin containing as the main component a modified polyvinyl alcohol that contains an N-vinylamide unit, wherein the ratio (N1/N2) of the number of particles 1 μm in size (N1) and the number of particles 2 μm in size (N2) contained in 1 mL of a 2 mass% aqueous solution of the polyvinyl alcohol resin is 0.1-50 inclusive.
Absstract of: WO2024161155A1
The present invention relates to a method of manufacturing a pellet or film, wherein the pellet or film comprises cutin, and uses thereof in order to replace single-use plastics.
Absstract of: KR20240120983A
케나프를 활용한 생분해성 친환경 플라스틱 및 이를 활용한 친환경 일회용 컵이 제공된다. 상기 친환경 일회용 컵은 케나프를 건조 및 분쇄한 케나프 분말; 및 열가소성 수지를 포함한다.
Absstract of: US2024262600A1
A repulpable insulation material includes a batt formed of a mixture of thermoplastic binder fibers and cellulose fibers bound together by the thermoplastic binder fibers, the thermoplastic binder fibers making up about 0.5% to 25% by weight of the batt, the repulpable insulation material having a weight within a range from 1000 GSM to 1600 GSM, wherein subjecting the repulpable insulation material to a repulpability test produces greater than 85% fiber yield.
Absstract of: US2024263007A1
A compostable plastic wrap is provided. Based on a total weight of the compostable plastic wrap being 100 wt %, a material of the compostable plastic wrap includes more than 90 wt % of polybutylene adipate terephthalate. In a cross-sectional structure of the compostable plastic wrap, the compostable plastic wrap has a center area and a surface area. The center area is completely encapsulated by the surface area. The center area contains an oleate compound, or the surface area contains an ether compound.
Absstract of: MX2023012069A
A method for manufacturing a cellulose product, comprising the steps: dry forming a cellulose blank in a dry forming unit; arranging the cellulose blank in a forming mould; heating the cellulose blank to a forming temperature in the range of 100°C to 200°C; and pressing the cellulose blank in the forming mould with a forming pressure of at least 1 MPa.
Absstract of: US2024262596A1
The disclosed embodiments relate to an insulative protective packaging material constructed using recyclable paper materials. The packaging material includes one or more plies of paper adhered to each other. The one or more plies can have protrusions that form gas pockets. The gas pockets can be sealed by another ply to provide shock absorbency and insulation. Further, the plies can be used in multiple ways such as by nesting the protrusions of one ply into the recessed of another ply, layering multiple plies on top of each other, or individually. Each ply can be substantially flat or have protrusions. The protrusions can be made in various ways such as alternating the directions that they extend and varying the shapes of the protrusions. The resulting packaging material can be used as a shipping container or as liners within shipping containers.
Absstract of: US2024262590A1
There is disclosed a container configured to hold a substance and extending along an axis A. The container comprises a container body configured to hold the substance. The container body comprises a top part. Further, the container body comprises a closure section arranged in an opposite end of the container body compared to the top part. The closure section comprises a first circular cross-section with a first radius in a plane transverse to the axis A. The closure section further comprises a second circular cross-section with a second radius in a plane transverse to the axis A, the second radius is larger than the first radius. The closure segment further comprises an annular wall extending from the second circular cross-section to the first circular cross-section such that the annular wall is formed with an angle alpha in relation to the axis A. The closure section is arranged so that the first circular cross-section is facing the top part. The container body further comprises a container wall extending from the closure section to the top part. The beverage container further comprises a sealing structure. The sealing structure comprises a circular bottom plate configured to seal the container body, and a sealing wall extending around the circular bottom plate. The sealing wall is tilted with the angle alpha in relation to the axis A. The sealing wall is configured to engage the annular wall, and the sealing structure is configured to be pressed into the closure section to
Absstract of: EP4410701A1
A pulp-molded cup lid with a leakproof structure is introduced in accordance to the present invention. The leakproof structure is constructed jointly by both of an annular hook and a bulger of an annularly peaked saddle, and an upward-bent bottom of an annularly caved channel, all of which are located respectively at different standard position angles to jointly clamp an annular roll side of a cup body in a manner of making the annular roll side being tightly snapped-on, water-sealed and movement-restricted within a movement-restricting space of the annularly peaked saddle, thereby effectively preventing a fluid, stored within the cup body, from spillover, wherein the standard position angle where the bulger is located is an acute angle.
Absstract of: KR20240120017A
본 발명은 카제인나트륨 및 카다놀을 포함하는 코팅용 조성물, 이의 제조방법 및 상기 조성물로 코팅된 포장재에 관한 것이다.
Absstract of: KR20240119932A
본 발명은 친환경 비닐의 제조방법에 관한 것으로, 본 발명은, 고밀도 폴리에티렌(HDPE) 원료 70 중량%, 생분해성 혼합분말 15 중량%, 시멘트 1 중량%, 탄산칼슘 분말 4 중량%, 에틸렌비닐아세테이트(EVA) 5 중량%, 유연제 3 중량%, 및 옥텐 2 중량%를 포함하는 재료를 준비하는 재료준비단계(S1); 상기 재료를 배합하여 배합물을 형성하는 배합단계(S2); 상기 배합물을 80 ∼110℃의 온도로 건조하는 건조단계(S3); 상기 건조된 배합물을 160 ∼ 220℃의 온도로 가열 용융 혼련하여 다이스에서 비닐이 압출되도록 하는 압출단계(S4); 및 상기 압출되는 비닐은 연신 냉각장치를 통해 0.02 ∼0.1mm의 두께가 되도록 연신되면서 내부에서 공기가 공급되는 연신 및 냉각단계(S5);를 포함하고, 상기 고밀도 폴리에티렌(HDPE) 원료는 고밀도 폴리에티렌(HDPE) 신재 원료 15 중량% ∼ 25 중량%와 고밀도 폴리에티렌(HDPE) 재생 원료 45 중량% ∼ 55 중량%로 이루어져 70 중량%를 형성하며, 상기 생분해성 혼합분말은 황토 분말 10 중량%와 맥분 5 중량%를 포함할 수 있다. 이에 의하여, 항균이 가능하고 강도 및 내충격성이 우수하고, 소각 시 매연이 저감되며, 제품의 단가가 절감될 수 있다.
Absstract of: AU2022354142A1
The present invention relates to a new anthraquinone and silanized functionalized material useful in potential luminescence and/or catalytic applications and as fillers in the composite manufacturing world.
Absstract of: CN118043197A
The invention relates to a biodegradable laminated film having a layer structure A/B, in which layer A, which is 0.5 mu m to 7 mu m thick, contains a polyurethane adhesive or an acrylate adhesive; the layer B having a thickness of 5 mu m to 150 mu m comprises an aliphatic polyester and/or an aliphatic-aromatic polyester, the aliphatic-aromatic polyester comprising the following components: b1-i) 30 mol% to 70 mol% of a C6-C18 dicarboxylic acid based on the components b1-i and b1-ii; b1-ii) from 30 mol% to 70 mol% of terephthalic acid based on the components b1-i and b1-ii; (b1-i), (b1-i), (b1-i), (b1-i), (b1-i), (b1-i), (b1-i), (b1-i), (b1-i), (b1-i), (b1-i), and b1-iv) 0 to 2 mol% of a chain extender and/or a branching agent based on the components b1-i and b1-iii.
Absstract of: CN118019639A
The present invention provides a biodegradable laminated film having a layer structure A/B, wherein layer A, which is 0.5 mu m to 7 mu m thick, comprises a polyurethane or acrylate adhesive; and wherein the 5 mu m to 150 mu m thick layer B comprises an aliphatic polyester and/or an aliphatic-aromatic polyester, the aliphatic-aromatic polyester being composed of: b1-i) 30 mol% to 70 mol%, based on component b1-i and component b1-ii, of a C6-C18 aliphatic dicarboxylic acid; b1-ii) from 30 mol% to 70 mol%, based on components b1-i and b1-ii, of an aromatic dicarboxylic acid; b1-iii) from 98 mol% to 100 mol%, based on component b1-i and component b1-ii, of 1, 3-propylene glycol or 1, 4-butanediol; b1-iv) 0% to 2% by weight, based on components b1-i to b1-iii, of a chain extender and/or a branching agent. The invention also relates to a food and/or beverage container comprising a substrate and a biodegradable laminated film coating as described above.
Absstract of: EP4410695A1
Die Erfindung betrifft einen Behälter mit einem Fasern umfassenden, einteiligen Behälterkörper mit einer Mündungsöffnung (16) und einem Verschluss (1, 2, 5, 6, 7, 8, 9, 10, 12) für den Behälterkörper. Der Verschluss ist zumindest teilweise in die Mündungsöffnung in eine Verschlussposition eingebracht, wobei der Verschluss in Zusammenwirken mit einer Innenfläche (19) der Mündungsöffnung zumindest teilweise kraftschlüssig in der Mündungsöffnung positioniert und dadurch der Behälterkörper verschlossen ist. Der Verschluss ist weiter ausgebildet, aus der Verschlussposition in eine Öffnungsposition ganz außerhalb des Behälterkörpers verbracht zu werden. Weiter betrifft die Erfindung ein Verfahren zum Herstellen eines Behälterkörpers zum Verwenden für den Behälter, ein Verfahren zum Herstellen eines Verschlusses zum Verwenden für den Behälter, eine Vorrichtung zum Verschließen eines Behälterkörpers mittels eines Verschlusses und ein Verfahren zum Verschließen eines Behälterkörpers mittels eines Verschlusses mittels der Vorrichtung.
Absstract of: TW202328350A
The present invention provides a biodegradable resin aqueous dispersion that has good dispersibility and can suppress separation even after long-term storage, and a method for using the same. The biodegradable resin aqueous dispersion of the present invention is an aqueous dispersion in which a biodegradable resin is dispersed in an aqueous solvent, and contains a polylactic acid resin as the biodegradable resin, a polyvinyl alcohol having an average molecular weight of 20,000 or more and a saponification degree of 98% or less according to the viscosity average polymerization degree, and a polyvalent carboxylic acid ester, wherein the mass ratio of the polyvalent carboxylic acid ester to the polyvinyl alcohol is 6 or less.
Absstract of: EP4335638A2
The present invention relates to multi-layer fiber products and a method of manufacturing these kinds of products. The present product comprises a first layer (12) consists mainly of natural fibers and a second, heat-sealing layer (14) located on top of the first layer. The heat-sealing layer (14) consists mainly of synthetic thermoplastic fibers or particles. According to the present method, the heat-sealing layer (14) is brought onto the first layer (12) already during the web forming process, the first and the second layers being formed and joined together in a foam forming process. With the present invention, it is possible to decrease the amount of plastic materials in packaging materials having heat-sealing properties.
Absstract of: ZA202207857B
The invention relates to a capsule (100) for preparing a beverage in a beverage production machine. 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 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). The capsule (100) further comprises a delivery wall (300) that is connected to the capsule body (200) to close the chamber (250). The delivery wall (300) comprises, in a layered manner, a retention layer (320) for being opened upon interaction with opening elements under the effect of rising pressure of fluid being injected into the capsule (100) and a filter layer (310) for filtering out particles from the prepared beverage. Each of the filter layer (310) and the retention layer (320) is made of biodegradable material. The filter layer (310) is provided opposite to the chamber (250) with respect to the retention layer (320). The invention also relates to a method for manufacturing the capsule (100) and use of the capsule (100) for preparing a beverage.
Absstract of: CN116836527A
The invention relates to a film containing 10 to 50% by weight of component A and 50 to 90% by weight of component B, based on the sum of components A and B, component A being selected from the group consisting of polymers obtainable by ring-opening polymerization and having a glass transition temperature (Tg) of less than-30 DEG C and component B being selected from the group consisting of thermoplastic aliphatic copolyesters and mixtures thereof, the total thickness of the film being 1 to 200 mu m.
Absstract of: PL132074U1
Przedmiotem rozwiązania jest biokompostowalny worek do produkcji roślinnej złożony z materiału biokompostowalnego zawierający dno (2) z otworami, korpus (1) z co najmniej dwoma uchwytami (3) w postaci wycięć w górnej części korpusu (1) przeciwległej do dna (2) charakteryzujący się tym, że korpus (1) jest jednowarstwowy, przy czym materiał biokompostowalny posiada strukturę włóknistą i materiałem tym jest zasadniczo czysty polilaktyd (PLA), a korpus (1) w górnej części przeciwległej do dna jest wyposażony w kaptur (4) z otworem centralnym.
Absstract of: US2024246729A1
The disclosure relates to a container comprising fibers, the container having: a container body comprising fibers, the container body having a mouth region which surrounds a mouth opening; and a lid comprising fibers, the lid having a circumferential groove. In a closure position, at least one part of the mouth region is accommodated in the groove, and the container body is thereby closed. The lid is designed to be moved from the closure position into an open position away from the container body. The disclosure also relates to a lid comprising fibers, the lid having a circumferential groove, for use for the container comprising fibers, to a method for producing a container comprising fibers, to a device for carrying out the method for producing a container comprising fibers, and to a method for producing a lid comprising fibers.
Absstract of: US2024246715A1
The disclosure relates to a container having a one-piece container body comprising fibers and having a mouth opening and a closure for the container body. The closure is at least partially inserted in a closure position into the mouth opening, the closure, in cooperation with an inner surface of the mouth opening, being positioned in the mouth opening at least partially with a non-positive fit, the container body is thereby closed. The closure is also designed to be moved from the closure position to an open position completely outside the container body. The disclosure further relates to a method for manufacturing a container body and to a method for manufacturing a closure for use with the container, a device for closing a container body by a closure, and a method for closing a container body by a closure by the device.
Absstract of: KR20240118223A
본 발명은 식용 가능한 식품 포장재에 관한 것으로서, 키토산으로 이루어진 제1키토산 필름층; 상기 제1키토산 필름층 상에 적층되고, 분리대두단백질로 이루어진 대두 필름층; 상기 대두 필름층 상에 적층되고, 키토산으로 이루어진 제2키토산 필름층; 및 상기 제1키토산 필름층과 상기 대두 필름층, 상기 대두 필름층과 상기 제2키토산 필름층을 접착시키는 접착층;을 포함한다.
Nº publicación: KR20240118543A 05/08/2024
Applicant:
국립금오공과대학교산학협력단민주현이근영여지민
Absstract of: KR20240118543A
본 발명은 관절보호용 우블렉 충격흡수체 및 이의 제조방법에 관한 것으로서, 보다 상세하게는 충격 흡수성 및 유연성이 우수한 관절보호용 우블렉 충격흡수체 및 이의 제조방법에 관한 것이다. 본 발명의 관절보호용 우블렉 충격흡수체의 제조방법은 물, 전분, 점증제를 혼합하여 우블렉 조성물을 제조하는 우블렉 조성물 제조단계;와 우블렉 조성물을 수용하기 위한 공간이 형성된 케이스를 제조하는 케이스 제조단계;와 상기 케이스에 우블렉 조성물을 주입하는 우블렉 조성물 주입단계를 포함한다.