126results about "Agricultural articles" patented technology

The invention provides a nutrient slow-release synergistic seedling transplanting disc and application thereof. The nutrient slow-release synergistic seedling transplanting disc is composed of a disc body and a seedling cup, the disc body is composed of two layers of materials including PBAT and PLA, the seedling cup is composed of three layers of materials, the inner layer is made of the PBAT material, the middle layer is a strip-shaped fertilizer belt made of macroelements, organic fertilizer, bacterial fertilizer and microelements, and the outer layer is made of the PLA material. The nutrient slow-release synergistic seedling transplanting disc integrates seedling raising and fertilization and can be used for seedling transplanting of grafted seed melons, seedling cups are directly transplanted into soil during transplanting, seedlings and the disc do not need to be manually separated, the seedling transplanting disc does not need to be recycled and transported after transplanting, the seedling cups in the soil isolate damage of salt, alkali and diseases and insect pests to seedling roots, and the seedling transplanting disc is convenient to use. Meanwhile, nutrient substances are slowly released, nutrients needed by melon seedlings are accurately met, the problem that an original seedling raising plate pollutes the environment is solved, and the problems that roots are damaged during transplanting, fertilization is balanced, the growth environment of the roots is poor and germs are harmed are solved.

The invention discloses a composite film based on light-biological synergistic gradient degradation and a preparation method thereof, the composite film sequentially comprises a light response layer, a transition layer and a biological response layer from outside to inside, and the light response layer comprises a polycaprolactone matrix, a tetraphenylporphyrin iron photosensitizer and anatase type TiO2 nanorods; the transition layer is a gradient blend of polylactic acid and modified starch; the biological response layer comprises polyhydroxyalkanoate and bacterial cellulose nanofibers; through the design of the three-layer gradient structure and the construction of the bionic microchannel, the synergistic effect of light degradation, hydrolysis and biodegradation is realized; the composite membrane has excellent mechanical properties and environmental adaptability, the degradation period can be accurately regulated and controlled within 30-180 days, and the soil degradation rate within 60 days reaches 91% or above; the preparation method comprises the processes of electrostatic spinning, gradient co-extrusion and bacterial cellulose in-situ culture. The material can be widely applied to the fields of agricultural mulching films, food packaging and the like, and the problems that a traditional degradable film is poor in mechanical property and uncontrollable in degradation are solved.

A barrier film includes: a first layer including calcium carbonate; and a second layer on the first layer, the second layer including an ethylene vinyl alcohol copolymer. A container includes at least one side including a barrier film including: a first layer including calcium carbonate; and a second layer on the first layer, the second layer including an ethylene vinyl alcohol copolymer.

The invention relates to the technical field of building energy conservation and water resource utilization, and discloses a multifunctional AKLBT dual-network hydrogel system and a preparation method and application thereof, the multifunctional AKLBT dual-network hydrogel system comprises AKLBT dual-network hydrogel and a PAN / PVDF coated CNTs / ppy composite photo-thermal layer; wherein the AKLBT dual-network hydrogel takes acrylamide and konjac glucomannan as monomers, and LiCl, BaSO4 and TiO2 are doped into the monomers; the PAN / PVDF-coated CNTs / ppy composite photo-thermal layer is attached to the surface of the hydrogel to construct a photo-thermal conversion interface. Through a three-in-one synergistic mechanism of radiation cooling, adsorption water collection and photo-thermal evaporation, zero-energy-consumption cooling of the building and efficient capture of atmospheric water resources are achieved, stable recycling can be achieved, and an integrated solution is provided for building hydrothermal collaborative management.

The present invention relates to a flexible tubular device (1) suitable for forming a lower stop fitted to the floor (L4) of a livestock building (E) for cattle. The flexible tubular device (1) comprises: - a flexible casing (11) made of a flexible material, comprising: - a tubular strip (111), an inner surface (111a) of which defines a longitudinal duct (C); and - a radial longitudinal strip (112) laterally extending from the tubular strip (111); and - a tubular member (12), made of a flexible, fluid-tight material, inserted into the longitudinal duct (C) and intended to be filled with a fluid.

The application discloses an agricultural irrigation water hose and a preparation method thereof. The agricultural irrigation water hose comprises, from top to bottom, a braided layer, a hot melt adhesive layer and an inner film layer, wherein the braided layer is made of polypropylene yarn. The irrigation water hose has the following advantages: 1) the adhesion strength between the inner film and the outer polypropylene yarn braided layer is greater than or equal to 15 n at a width of 50 mm after the irrigation water hose is normally rolled and placed for 24 hours; and 2) after being placed in an outdoor high-temperature environment of 75 DEG C for 30 days, the inner film and the outer polypropylene yarn braided layer of the water hose do not produce delamination, and the inner film does not become hard at a low temperature of -25 DEG C.

The present disclosure provides a film for enhancing the growth of plants in the Cannabaceae family, the film being capable of blocking solar spectrum in the range 430-550 nm. The present disclosure also provides a single- or multi-layer plastic greenhouse film for enhancing cannabis plant growth, where the single- or multi-layer plastic greenhouse film (a) has at least one blue light blocking layer for blocking solar spectrum in the range of 430-500 nm; (b) has a high transmittance for red light in the solar spectrum in the range of 600-750 nm.

The invention discloses a flame-retardant, water-retention, heat-preservation and moisture-retention blanket and a preparation method and application thereof, and belongs to the technical field of composites.The flame-retardant, water-retention, heat-preservation and moisture-retention blanket is of a multi-layer composite structure and comprises flame-retardant canvas, an aluminum foil rubber and plastic plate, composite geotechnical cloth and adhesive felt; the flame-retardant canvas comprises woven cloth and a coating; the coating at least comprises a flame-retardant coating; the flame-retardant coating comprises the following components in parts by weight: 50-80 parts of polyvinyl alcohol and 20-40 parts of a flame retardant; the flame retardant comprises a multi-effect flame retardant and a boric acid-based compound in a mass ratio of (13-22): (0.8-1.2); by optimizing the combined design of the flame-retardant canvas, the aluminum foil rubber and plastic plate, the composite geotechnical cloth and the adhesive felt and combining a novel boric acid-based nano composite flame-retardant coating technology, the synergistic improvement of flame-retardant, heat-insulating, moisture-preserving and water-retaining functions is realized.

The present invention relates to a single-layer or multilayer coated polyester film having a transparency of at least 92%, with the polyester film having a first surface and a second surface, in which a permanent anti-fog coating has been applied to at least one of the surfaces of the polyester film and the anti-fog coating includes at least one water-soluble polymer, an inorganic, hydrophilic material and a crosslinker. The water-soluble polymer is a polyvinyl alcohol or a hydrophilic polyvinyl alcohol copolymer. Furthermore, the present invention relates to production processes for the coated polyester film and to energy saving mats in greenhouses produced therefrom.

The polymer can include a copolymer of ethylene and vinyl acetate, wherein at least a portion of the ethylene is derived from a renewable carbon source, and wherein the copolymer has a melt index (190°C / 2.16 kg) according to ASTM D1238 in the range of 0.12 to 8.0 g / 10 min.

This disclosure relates to ethylene interpolymer compositions, films prepared therefrom and a nonlinear rheology method capable of determining presence of long-chain branched structures in these ethylene interpolymer compositions. Ethylene interpolymer compositions disclosed herein specifically relates to ethylene interpolymer products having: a dimensionless nonlinear rheology network parameter, Δint., greater than or equal to 0.01, satisfying 0.01×(Z−48)0.78≤Δint.≤0.01×(Z−60)0.78 inequality wherein Z is a normalized molecular weight defined byZ=MwMewhere Mw and Me are the weight average and entanglement molecular weights; and a residual catalytic metal of from ≥0.03 to ≤5 ppm of hafnium. The disclosed ethylene interpolymer products have a melt index from about 0.3 to about 500 dg / minute, a density from about 0.855 to about 0.975 g / cc, a polydispersity, Mw / Mn, from about 1.7 to about 25 and a Composition Distribution Breadth Index (CDBI50) from about 1% to about 98%.

The invention relates to a laminate (1) comprising an adhesive layer (5) made of a one-component adhesive composition wherein the functional groups of the one-component consist of isocyanate moieties and the composition does not contain any polyurethane having a weight average molecular weight of 20000 g / mol or more. The invention also relates to a laminate comprising an adhesive layer (5) made of a one-component adhesive composition applied at a dry coating weight of less than 1 g / m2. The invention also relates to a laminate comprising an adhesive layer (5) made of a one-component adhesive composition which is curable under moisture-free conditions. The invention also relates to a laminate comprising an adhesive layer (5) made of a one-component adhesive composition having a concentration of isocyanate groups in the range of 0.5 to 10%.

The invention relates to a Polyethylene-based arrangement (8) with a thickness of less than 250 µm for the storage of grain, silage, warm or wet industrial products, comprising at least one outer layer (1), at least one inner layer (7) and only one barrier layer (5). The arrangement (8) comprises at least one PE based functional layer (3) to reduce the oxygen permeability of the polyethylene-based arrangement (8) to less than 50 cm3 / m2 d bar according to ASTM D3985.

The present disclosure provides a film. In one embodiment, the film includes a core structure having a first side and an opposite second side. The core structure includes a release layer. The release layer is on the first side and is comprised of an ethylene-based polymer. An adhesive layer is on the second side of the core structure. The adhesive layer contains an acrylic polymer. The film has an adhesion at 100% stretch of from 300 g to 1100 g.

Provided is a composition described below as an EVOH resin composition having an increased thermal decomposition temperature at the time of melt-molding and excellent thermal stability. An ethylene-vinyl alcohol copolymer composition containing an ethylene-vinyl alcohol copolymer and a titanium compound, wherein the ethylene-vinyl alcohol copolymer has a saponification degree of more than 91 mol% and 99.5 mol% or less, and a content of the titanium compound in terms of metal is 0.001 ppm or more and less than 5 ppm per mass of the ethylene-vinyl alcohol copolymer composition.

The present invention is related to a laminate (1), comprising an adhesive layer (5) made from a one-component adhesive composition, wherein the functional groups of said one component consist of isocyanate moieties, and which composition does not contain any polyurethane, said polyurethane having a weight average molecular weight of 20000 g / mol or more. The present invention is furthermore related to laminate comprising an adhesive layer (5) made from a one-component adhesive composition that is applied with a dry coating weight of less than 1 g / m2. The present invention is furthermore related to laminate comprising an adhesive layer (5) made from a one-component adhesive composition that is curable under moisture-free conditions. The present invention is furthermore related to laminate comprising an adhesive layer (5) made from a one-component adhesive composition that has a concentration of isocyanate groups in the range from 0,5 to 10%.

Method for manufacturing a bio-based geotextile. The present invention relates to a method for manufacturing a geotextile (12), characterized in that it comprises: - supplying a first layer (14) of woven natural fibers; - supplying a second layer (16) of natural fibers; - superimposing the first layer (14) onto a conveyor belt (20), and the second layer (16) onto the first layer (14); and hydrobonding the first layer (14) with the second layer (16) by high-pressure water jet through the first and second layers. Figure for the abstract: Figure 1

The application discloses a pH value responsive self-adhesive heat and moisture preservation blanket and a preparation method and application thereof, and belongs to the technical field of composite materials. The heat and moisture preservation blanket is a multilayer composite structure, and from outside to inside, the heat and moisture preservation blanket is sequentially provided with a flame-retardant canvas, an aluminum foil rubber plastic plate, a composite geotextile and a sticky felt hydrogel layer. The sticky felt hydrogel layer is formed by dipping a sticky felt into a hydrogel precursor solution and then performing thermal crosslinking. The hydrogel precursor solution comprises, in parts by weight, 50-80 parts of methacrylate polyethylene imine, 20-40 parts of carboxymethyl cellulose, 10-30 parts of polyethylene glycol diglycidyl ether and 18-30 parts of 1,4-chloropropanol-piperazine. The heat and moisture preservation blanket with the pH value responsive sticky felt hydrogel layer has the characteristics of simple operation and good heat and moisture preservation effect.

The invention discloses a photo-thermal driving film, a preparation method of the photo-thermal driving film and application of the photo-thermal driving film in preparation of an intelligent greenhouse, and belongs to the technical field of intelligent agriculture. The invention discloses a preparation method of a specific double-layer film (CB-PE / BOPP). The preparation method comprises the steps of preparing a CB-PE composite film and a CB-PE / BOPP flexible double-layer film and designing the CB-PE / BOPP flexible double-layer film into a hinge structure. According to the greenhouse, a film made of CB-PE (polyethylene carbon black composite film) / base film is adopted, and intelligent regulation and control of the temperature in the greenhouse are achieved through photo-thermal driving deformation. Under illumination, the thin film is thermally deformed, and the hinge structure is driven to be opened for heat dissipation; and when no illumination exists or the temperature is reduced, the film restores, and the hinge structure is closed for heat preservation. The thin film has high sensitivity to temperature change and can keep good recovery capacity in a high-temperature environment in summer, and the durability and reliability of the greenhouse are remarkably improved.

Methods for producing fully biodegradable straw mats for use with aquaponic systems, for soil erosion control, for weed mitigation, for controlled release fertilization, for packaging; for building construction insulation; and for other industrial and agricultural purposes.

The purpose of the present invention is to provide a laminate film, a film for protected horticulture, and a woven / knit fabric excellent in durabilty and capable of maintaining high light transmittance without obstructing the growth of plants.　The laminate film has a heat ray reflection layer and a surface function layer provided on at least one surface of the heat ray reflection layer. The surface function layer is formed from a resin composition containing particles and a resin. The average particle diameter of the particles is 4 μm to 10 μm, and 0.3 parts by mass to 1.5 parts by mass of the particles is included in the film with respect to 100 parts by mass of the resin.

The present application belongs to the technical field of plastic product production, and relates to a greenhouse film and a preparation method and application thereof. The weaving layer of the greenhouse film comprises 88.8-96.95 parts of high-density polyethylene, 0-5 parts of low-density polyethylene, 0.05-0.2 parts of graphene and 3-6 parts of anti-aging concentrated master batch. The formula of the outer surface layer and the inner surface layer comprises 33.8-46.95 parts of low-density polyethylene, 50-60 parts of linear low-density polyethylene, 0.05-0.2 parts of graphene and 3-6 parts of anti-aging concentrated master batch. The formula of the outer surface layer comprises 15-25 parts of low-density polyethylene and 18.7-26.9 parts of linear low-density polyethylene. The outer surface layer contains 50-60 parts of polydimethylsiloxane anti-fog drop master batch and 65800.1-0.3 parts of color master batch. The greenhouse film has the advantages of long-acting anti-fog drop and good strength, and can reduce the use cost, improve the crop yield and reduce the environmental pollution caused by plastic degradation.

This disclosure relates to ethylene interpolymer compositions, films prepared therefrom and a nonlinear rheology method capable of determining presence of long-chain branched structures in these ethylene interpolymer compositions. Ethylene interpolymer compositions disclosed herein specifically relates to ethylene interpolymer products having: a dimensionless nonlinear rheology network parameter, Δint., greater than or equal to 0.01, satisfying 0.01×(Z−48)0.78≤Δint.≤0.01×(Z−60)0.78 inequality wherein Z is a normalized molecular weight defined by (I) where Mw and Me are the weight average and entanglement molecular weights; and a residual catalytic metal of from ≥0.03 to ≤5 ppm of hafnium. The disclosed ethylene interpolymer products have a melt index from about 0.3 to about 500 dg / minute, a density from about 0.855 to about 0.975 g / cc, a polydispersity, Mw / Mn, from about 1.7 to about 25 and a Composition Distribution Breadth Index (CDBI50) from about 1% to about 98%.

An article is disclosed. The article includes a first substrate. The article further includes a chromium layer disposed on the first substrate. The article further includes a second substrate disposed adjacent to the chromium layer opposite to the first substrate. The article further includes an adhesive layer at least partially disposed between the chromium layer and the second substrate. The adhesive layer bonds the second substrate to the chromium layer.

Multi-layer biodegradable mulch films include a top layer that is sunlight / UV resistant, and a bottom layer designed to withstand soil moisture and / or pH effects. The films have an extended service life, followed by a rapid degradation. Specific masterbatches are formulated to prepare the different film layers. Carbon black having specific properties can be incorporated in at least some of these masterbatches.

The present invention relates to a hybrid sheet designed for the enhanced protection of both the sheet and goods inclusive of agricultural bales.

To provide a fibrous multilayer sheet structure.SOLUTION: There is provided a fibrous multilayer sheet structure comprising: at least one discontinuous fibrous layer having first and second surfaces; and at least one layer of continuous melt spun fibers on the first surface of at least one of the at least one discontinuous fibrous layer, wherein the fibers of the discontinuous fibrous layer are not melt blown fibers.SELECTED DRAWING: None

Provided is an EVOH resin composition having an increased thermal decomposition temperature during melt molding and excellent thermal stability. An ethylene-vinyl alcohol copolymer composition which contains an ethylene-vinyl alcohol copolymer having a degree of saponification of more than 91 mol% and 99.5 mol% or less, and a titanium compound, the content of the titanium compound in terms of metal is 0.001 ppm or more and less than 5 ppm relative to the mass of the ethylene-vinyl alcohol copolymer composition.