75results about "Agricultural articles" patented technology

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 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 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 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%.

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 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.

A milking system for sampling and analysing milk includes a milking device, a sampling device to extract a milk sample, and an analysis device for the sample. The analysis device includes a cassette with an analysis tape having a carrier layer with separate vertical flow analysis pads, a tape displacer, a sample provision device providing a droplet of the sample to a selected analysis pad, a sensor to sense a response in the analysis pad after provision of the sample, and a control unit. The analysis pads include a reagent pad with a reagent reacting with a predetermined compound in the sample, a priming pad with a priming agent to change a property of the sample that enhances the reaction, and a bonding layer between the reagent pad and the priming pad, and including a first and second adhesive layer, and a support layer therebetween.

The invention relates to a silage film with a total thickness between 75 µm and 150 µm, comprising at least one outer and at least one inner layer, a central layer composed of a soft polyethylene (PE), selected from linear low-density polyethylene (LLDPE) or low-density polyethylene (LDPE), at least one functional layer arranged on either side of the central layer and at least one intermediate layer positioned between each functional layer and the outer or the inner layer. At least one functional layer is composed of a special polyethylene that replaces conventional barrier layers. The silage film is entirely free of any barrier layers, including polyamide (PA) or ethylene vinyl alcohol (EVOH).

The invention discloses a bamboo pulp paper-PHA double-sided composite soil biodegradable agricultural mulching film as well as a preparation method and application thereof, and belongs to the technical field of agricultural mulching materials. According to the mulching film, bamboo pulp paper is used as a base material, and a water-based PHA inner stable coating on a soil attaching surface and a PHA extrusion film layer on a wind and rain facing surface are firmly combined by utilizing a'same-family wet-to-heat 'glue-free composite process. The problems that a traditional paper film is poor in weather resistance and a biodegradable plastic film is prone to premature senility are solved. Compared with products in the market, the scheme abandons an adhesive and a fluorine-containing auxiliary agent which hinder degradation, and the tear-grade strength of the fiber can be realized only by homeotropic interface anchoring; in addition, the blocking and soil moisture preservation effects superior to those of a traditional thick coating can be achieved with less PHA dosage, and the water absorption is remarkably reduced; the material has excellent mechanical adaptability and photo-thermal adjusting function, is completely mineralized after being buried into soil, and really realizes perfect unification of high performance and full environmental protection.

This invention relates to an anisotropic multilayer film and the process of making a multilayer film, wherein a supercritical blowing agent is introduced to at least one layer, wherein at least one layer comprises 10 to 100 percent by weight LLDPE with a melt index of 0.2 to 2 g / 10 min. The film in this invention can have a surface with an average Sheffield smoothness, according to TAPPI T 538, of less than 100. The film in this invention can have a puncture propagation tear resistance, in accordance with ASTM D2582, greater than 500 g / mil.

A kind of whole biological yield-increasing degradation agricultural film suitable for drought-resistant crop growth belongs to the field of degradation agricultural film, including surface layer, filling layer and inner layer;The filling layer includes the following weight parts of substances:PBAT 60-85 parts, PLA 3-7 parts, calcium carbonate 10-30 parts, filling layer additive 2.2-4.8 parts;The inner layer includes the following weight parts of substances:corn starch 40-50 parts, sugar-removed potato starch 3.2-4.4 parts, rapeseed oil extraction residue 10-20 parts, edible gelatin 10-20 parts, carrageenan 10-20 parts, inner layer additive 6.3-11.3 parts, calcium carbonate 10-20 parts, sorbitol 3.6-4.7 parts, humic acid 17-23 parts.In the present application, the surface layer, the filling layer and the inner layer are designed separately, which reduces the use amount of PBAT and PLA materials and lowers the cost of materials.

Provided are multilayer films. The multilayer films according to embodiments disclosed herein are suitable for making silobags and include one or more core layer with a low amount of a polyethylene elastomer have a Brookfield Viscosity of less than 12.0 Pa.s. The multilayer films can have a desirable balance of properties such as puncture and tear properties.

The present application relates to the technical field of agricultural facility materials, and particularly relates to a novel fireproof and flame-retardant glass wool thermal insulation quilt for a greenhouse and a preparation method thereof, which comprises the following steps: determining the quality of the current batch of raw materials based on the equivalent bulk density and the actual fiber diameter; in response to the quality of the current batch of raw materials, determining the quality state of the current batch of raw materials in combination with the bulk density range and the fiber diameter range in which the equivalent bulk density and the actual fiber diameter are located, and adjusting the initial sewing parameters correspondingly; in response to the quality state of the raw materials, obtaining the upper and lower layer fabric feeding speed difference ratio and the thickness compression rate, determining the fabric feeding synchronization based on the upper and lower layer fabric feeding speed difference ratio, and determining whether the product is excessively compressed and thinned based on the thickness compression rate; in combination with the comparison results of the fabric feeding resistance imbalance prediction index and the compression potential prediction index and the corresponding safety threshold, determining whether the prediction accuracy meets the standard, and adjusting the safety threshold. The present application adjusts the sewing parameters adaptively based on the quality of raw materials and the change of process parameters.

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 barrier layer (5) is a polyamide layer with a thickness of less than 30 µm. The arrangement (8) includes 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 invention discloses a multifunctional co-extrusion film as well as a preparation method and application thereof, and relates to the field of plastic films. The multifunctional co-extrusion film comprises an anti-UV surface layer, a middle layer and a flame-retardant bottom layer which are formed by co-extrusion, the anti-UV surface layer comprises the following raw materials in parts by weight: 50-60 parts of PE, 10-15 parts of PP and 20-40 parts of an anti-UV complexing agent; the anti-UV complexing agent comprises the following raw materials: nano calcium carbonate with an acrylate group on the surface, an ultraviolet light absorber monomer with an acrylate end group and methyl methacrylate, and the weight ratio of the nano calcium carbonate with the acrylate group on the surface to the ultraviolet light absorber monomer with the acrylate end group to the methyl methacrylate is (30-40): (10-25): (40-55). The multifunctional co-extrusion film provided by the invention integrates UV resistance, moisture permeability, water resistance and flame retardance, and has good comprehensive performance.

This disclosure provides a composite material comprising a mesh, pad, or grid to a nonwoven fiber outer layer, which can be configured for a variety of applications and products. The composite material includes a first mesh layer comprising intersecting filaments and a second layer in contact with the first layer. The second layer comprises a first fiber component and a second fiber component. The melting point of the first fiber component is at least 20 degrees Celsius higher than that of the mesh. The melting point of the second fiber component differs from that of the fibers in the mesh layer by less than 20 degrees Celsius. This allows the second fiber component to be thermally bonded to the mesh at the contact points when heat and pressure are applied. The first fiber component does not substantially undergo thermal bonding with the mesh, thereby forming an outer layer that protects the mesh layer, such as a sheath.