51 results about "Kenaf" patented technology

The present invention discloses a barking and cutting mechanism for a kenaf harvester, comprising a mounting frame on which a barking mechanism, a barking mechanism, and a cutting mechanism are sequentially mounted. The barking mechanism cuts the bark of both sides of a kenaf stalk. After the kenaf stalk leaves the barking mechanism, it is taken over by the barking mechanism, which peels off the bark of the kenaf stalk. After the kenaf stalk leaves the barking mechanism, it is taken over by the cutting mechanism, which cuts the kenaf stalk into multiple segments. The present invention allows the kenaf stalk structure to be stably conveyed forward, thereby stably completing the bark cutting and peeling, and cutting the stalk into neat small segments, thereby facilitating subsequent collection and bundling.

The invention discloses a method for preparing biomechanical pulp by treating kenaf with ternary low eutectic solvent-assisted bioenzyme, comprising the following steps: cutting kenaf stalks into small segments, mixing with low eutectic solvents, reacting at 100-150°C for 30-60min, cooling, and solid-liquid separation to obtain pretreated kenaf stalks; washing the pretreated kenaf stalks to neutrality, mixing with composite enzymes, and performing enzyme treatment at 40-60°C for 30-120min, performing pulping treatment on the kenaf stalks after enzyme treatment, washing and screening the slurry to obtain biomechanical pulp; the composite enzyme is a composite enzyme of xylanase and lipase, or a composite enzyme of cellulase and xylanase. Pretreatment with a low eutectic solvent can effectively improve the treatment efficiency of the bioenzyme.

The invention discloses a regenerated cellulose fiber quilt core material and a preparation method thereof.The regenerated cellulose fiber / polylactic acid fiber mixed solution and a hibiscus cannabinus fiber solution are subjected to hollow coaxial spinning, the fibers obtained through spinning are cooled through an asymmetric cooling method, the obtained hollow coaxial fibers generate asymmetric curls, and then the regenerated cellulose fiber quilt core material is obtained. The elasticity and the restorability of the regenerated cellulose fibers and the polylactic acid fibers are combined with the hardness and the mechanical strength of the hibiscus cannabinus fibers, so that the elasticity of the quilt core material can ensure the bulkiness and the mechanical strength, and block masses and cavities caused by non-uniform fiber dispersion are avoided; the kenaf fibers are subjected to steam explosion pretreatment, and the steam explosion treatment process comprises the steps that the kenaf fibers are soaked in a sodium hydroxide solution, taken out, dried and then placed in a steam explosion device to be subjected to steam explosion treatment, the crystallinity and the polymerization degree of the kenaf fibers are increased, and the bulkiness of the fibers can be improved; and a better space structure is kept in the quilt core material.

The invention provides kenaf whole stalk APMP pulp and a preparation method thereof.The preparation method comprises the specific steps that S1, air-dried kenaf whole stalks are cut into strips, washing and impurity removing are conducted, and a material a is obtained; s2, carrying out pre-steaming treatment on the material a, and extruding and defibering the steamed material to obtain a material b; s3, adding the material b into the pre-impregnation liquid for impregnation to form slurry, and performing centrifugal dewatering on the slurry until the concentration is 20-30wt% to obtain slurry a; s4, grinding the pulp a to form high-concentration ground pulp, adding the high-concentration ground pulp into the adjusting liquid a, bleaching, and centrifugally dewatering until the concentration is 20-30wt% to obtain pulp b; s5, the pulp b is added into the adjusting liquid b for second-stage bleaching and centrifugal dewatering till the concentration is 20-30 wt%, pulp c is formed, the pulp c is diluted and ground, cleaning and screening are conducted after grinding is completed, and the kenaf whole stalk APMP pulp is obtained. The kenaf whole stalk APMP pulp has good pulp characteristics, the dependence of traditional APMP pulping on wood is broken through, and the current situation that domestic pulping wood resources are deficient is relieved.

A 3D printed structure is provided. The structure includes a composition formed from a mixture including an earth component, e.g., naturally occurring soil, subsoil, topsoil, clay, a clay-rich soil, sand, silt, an engineered soil formed of sand and clay, etc.; at least one fiber component, e.g., a bast or leaf fiber, including straw, wheat straw, rice straw, rice husk, reed, hay, hemp, kenaf, banana, sisal, fique, flax, jute, etc.; fluid component, e.g., water, oil, acid, etc.; and at least one additive component, e.g., a bio-based additive such as cellulose, a polypeptide such as gelatin, a polysaccharide such as alginate, guar gum, locust bean gum, chitosan, and xanthan gum, and lime, etc. The mixture includes a weight ratio of about 2-50 parts earth; about 5-50 parts fiber; about 25-80 parts fluid; and about 0-10 parts additive. The mixture can be 3D printed into prefabricated building elements, e.g., block-like geometries, monolithic walls, panels, etc.

An aerosol-generating article (10)(100)(1000) comprises: an aerosol-generating substrate (12)(112)(1004); a downstream element (42)(150)(1008) provided downstream of the aerosol-generating substrate (12)(112)(1004) and in axial alignment with the aerosol-generating substrate, the downstream element comprising a cellulosic filtration material. The fibrous material comprises a plurality of regenerated cellulose fibres selected from one or more of viscose fibres, modal fibres, Lyocell fibres and viscose rayon fibres; or a plurality of natural fibres selected from one or more of flax fibres, hemp fibres, jute fibres, kenaf fibres, ramie fibres, abaca fibres, phormium fibres, sisal fibres, coir fibres, cotton fibres, and kapok fibres. The cellulosic fibrous material further comprises an additive coating applied to the plurality of regenerated cellulose or natural fibres, the additive coating comprising at least 5 percent by weight of exogenous lignin on a dry weight basis.

The aerosol generating article (10)(100)(1000) comprises an aerosol generating substrate (12)(112)(1004) and a downstream element (42)(150)(1008) provided downstream of the aerosol generating substrate (12)(112)(1004) and axially aligned with the aerosol generating substrate, the downstream element comprising a cellulosic filtration material. The fibrous material comprises a plurality of regenerated cellulose fibers selected from one or more of viscose fibers, modal fibers, lyocell fibers, and viscose rayon fibers, or a plurality of natural fibers selected from one or more of flax fibers, hemp fibers, jute fibers, kenaf fibers, ramie fibers, abaca fibers, phormium fibers, sisal fibers, coir fibers, cotton fibers, and kapok fibers. The cellulosic fibrous material further comprises an additive coating applied to multiple regenerated cellulose or natural fibers, the additive coating containing at least 5% by weight of exogenous lignin on a dry weight basis.

The present invention relates to a composition for manufacturing a wood composite, a wood composite using same, and a manufacturing method thereof. More specifically, the present invention relates to: a composition for manufacturing a wood composite, the composition containing a thermoplastic resin, a silane compound represented by formula (1) and including an acrylate moiety, and a biomass mixture including kenaf powder and wood flour; a wood composite manufactured using same; and a method for manufacturing the wood composite. (In formula (1), R1, R2, and R3 are each independently selected from the group consisting of a C1-6alkoxy, a C1-6alkyl, halogen, a C1-6alkylsiloxy, an allyl, and a C1-6alkenyl; n is 0 to 15; and R4 is a C1-6alkyl.)

The invention discloses an enhanced modified granite stone powder-based road base material and a preparation method thereof, and the road base material comprises the following raw materials by mass: 100 parts of waste granite stone powder, 3-8 parts of cement, 0.5-1 part of a multifunctional water stabilizer, and 1-5 parts of temperature-responsive nanofiber hydrogel. 0.5-2 parts of kenaf fiber-cotton fiber blended fabric / epoxy resin composite long fiber, and 8-13 parts of water. According to the method disclosed by the invention, by introducing the temperature-responsive nanofiber hydrogel and the kenaf fiber-cotton fiber blended fabric / epoxy resin composite long fiber, the modified material capable of improving the construction uniformity and integrity of the road base material and effectively preventing thermal stress cracks and shrinkage cracks is prepared.

Cardboard cartons or corrugated boxes are manufactured using paper comprising kenaf. Said carton or box is comprised of 1 to 100% kenaf and may include hurd and bast fibers. The kenaf paper may be treated such as by bleaching, and may include environmentally friendly features such as being recyclable or compostable.

The present invention belongs to the technical field of high-value utilization of woody biomass resources, specifically relating to light-colored kenaf lignin nanoparticles, their preparation method, and applications. The present invention chemically pretreats kenaf xylem to obtain light-colored, stable lignin, which is then further prepared into nanoparticles for use as a natural sunscreen. The remaining fibers are then combined with other fibers to make paper. The preparation method is simple, low-cost, and easy to implement, providing a new strategy for the comprehensive utilization of kenaf biomass resources and possessing excellent practical application value.

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

The use of kenaf paper for use to manufacture sleeves, cups, trays, containers, and other similar devices made from kenaf.

This invention belongs to the field of polymer materials technology, and particularly relates to a kenaf powder modified plastic material, its preparation method, and its application. The kenaf powder modified plastic material of this invention comprises the following raw materials in parts by weight: 60-70 parts polypropylene, 10-20 parts kenaf powder, 4-6 parts modified cellulose fiber, 5-8 parts compatibilizer, 1-2 parts dispersant, 0.3-0.5 parts antioxidant, 0.1-0.3 parts UV stabilizer, 5-7 parts toughening agent, and 1-3 parts lubricant. The kenaf powder modified plastic material provided by this invention uses polypropylene as the main matrix raw material, combined with kenaf powder, modified cellulose fiber, lubricant, etc., to prepare a kenaf powder modified plastic material with high mechanical properties and excellent flame retardant properties, meeting the requirements of various industrial products.

The application provides a whole-stalk kenaf APMP pulp and a preparation method thereof, and the specific steps comprise the following steps: S1, cutting the air-dried whole-stalk kenaf into strips, washing and removing impurities to obtain material a; S2, pre-steaming the material a, and extruding and defibrating the steamed material to obtain material b; S3, impregnating the material b in a pre-impregnation liquid to form pulp, and centrifugally dewatering the pulp to a concentration of 20-30 wt% to obtain pulp a; S4, grinding the pulp a to form high-concentration ground pulp, adding the high-concentration ground pulp into an adjusting liquid a to bleach, and centrifugally dewatering the high-concentration ground pulp to a concentration of 20-30 wt% to obtain pulp b; S5, adding the pulp b into an adjusting liquid b to perform two-stage bleaching, centrifugally dewatering the pulp b to a concentration of 20-30 wt% to form pulp c, diluting the pulp c, grinding the pulp c, washing and screening after the grinding is completed, and obtaining the whole-stalk kenaf APMP pulp. The whole-stalk kenaf APMP pulp has good pulp properties, breaks the dependence of traditional APMP pulping on wood, and alleviates the shortage of domestic pulping wood resources.

The utility model relates to the technical field of hibiscus cannabinus seedling culture, in particular to a hibiscus cannabinus seedling culture device which comprises a placing frame, a sunlight lamp, a seedling culture mechanism and an irrigation mechanism. A plurality of groups of seedling growing tables are uniformly arranged on the placing rack; multiple groups of sunlight lamps are uniformly mounted at the top bottom of the placement rack and the bottom of the seedling table; the seedling raising mechanism is detachably connected with the top end of the seedling raising table, and the seedling raising mechanism is composed of a seedling raising plate and a partition assembly detachably installed in the seedling raising plate. By arranging the seedling raising mechanism, multiple sets of hibiscus cannabinus seeds can be separated, the air permeability of the growth environment of the hibiscus cannabinus seeds is improved, rapid transplanting of hibiscus cannabinus seedlings in the later period is facilitated, redundant water during irrigation of the irrigation mechanism is conveniently received by arranging the seedling raising table, and the humidity in the hibiscus cannabinus seedling raising process is guaranteed; when the humidity is too high, redundant water can be discharged in time, the air permeability of the roots is improved through the exhaust fan, rotting of the hibiscus cannabinus seeds is further avoided, and the seedling raising efficiency is improved.

The present invention discloses a conveying mechanism for a kenaf harvester, comprising a mounting frame, on which is disposed an oblique conveyor belt, and a barking, peeling, and cutting mechanism; the lower end of the oblique conveyor belt extends into a storage chamber, and the oblique conveyor belt is used to convey a single kenaf stalk to the barking mechanism; the barking mechanism cuts the skin of both sides of the kenaf stalk and conveys it to the barking mechanism; the barking mechanism peels the skin of the kenaf stalk and conveys it to the cutting mechanism; the cutting mechanism cuts the kenaf stalk and conveys it to a collection chamber; the cutting mechanism is located obliquely below the output end of the barking mechanism to receive the fallen kenaf stalk, and the cutting mechanism is located below the barking mechanism, thereby staggering the barking, peeling, and cutting mechanisms in the height direction. The present invention reduces the length space occupied by the overall structure by staggering the multi-stage conveying structure in the height direction, thereby reducing the overall length of the kenaf harvester when the multi-stage conveying structure is arranged on the kenaf harvester.

Natural fiber composite construction materials including boards, siding, railroad ties, standing seam roofing panels, roofing panels that support solar-electric modules, and roofing panels that support vegetation are provided. In various embodiments, composite construction materials comprise about 50-60% kenaf fiber.

The use of kenaf paper for use to manufacture cardboard cartons or corrugated boxes, wherein said carton or box is comprised of 1 to 100% kenaf.

The invention discloses a screening and collecting mechanism after cutting of a hibiscus cannabinus harvester, a screening mechanism and a collecting mechanism are arranged behind a cutting mechanism, the screening mechanism comprises a first screening conveying belt and a second screening conveying belt, and a first blanking gap is formed between the next section of conveying belt and the first screening conveying belt; a second blanking gap is formed between the first screening conveying belt and the second screening conveying belt, and the first blanking gap is smaller than the second blanking gap; the collecting mechanism comprises a plurality of collecting cavities, the collecting cavities are formed below the two discharging gaps and at the output end of the second screening conveying belt correspondingly, and the cut hibiscus cannabinus stalks fall to the corresponding collecting cavities from the two discharging gaps according to the length during output or smoothly pass through the discharging gaps to be finally conveyed to the collecting cavity at the tail end. According to the method, screening is conducted according to the length difference of the last section of hibiscus cannabinus stalks, screening and recycling are completed with different lengths, subsequent respective recycling is facilitated, and the hibiscus cannabinus stalks with standard lengths are collected and bundled in order.

Antenna enclosure (e.g casing, radome fig 4.400) comprising a wall formed from fibre resin composite material and comprising plant fibre or animal based fibre, preferably configured to have a dielectric constant (relative permittivity) between approximately 2.5 and 3 (at 10GHz). The resin may also comprise a plant based resin (e.g sugar based resin). The fibre resin composite material may comprise between approximately 30 & 45% resin by weight. The animal based fibre may comprise: wool, silk, alpaca, camel, cashmere, mohair and spider, and / or silk fibre, whilst the plant based fibre may comprise: nettle, flax, cotton, hemp, abaca, coir, bamboo, jute, sisal, ramie, and / or kenaf (kenauf) fibre. The fibre-resin composite material may comprise reinforcement material comprising cloth, wherein the fibre is woven into the cloth. The wall may be constructed from these materials to provide a loss pattern over the intended electromagnetic frequency range of -3dB or less. The wall may comprise multiple layers of fibre resin composite material and whereby the outer layers (802a, 802b) layers may be separated by a wall core layer 804. A radio system is also disclosed comprising the antenna and enclosure to operate in the range 0.5GHz and 90GHz. Method of manufacturing also disclosed. Antenna enclosure (radome) is preferably bio-degradable, compostable, and manufactured from sustainable materials.

There is provided an aerosol-generating article (10) (100) (1000) comprising: an aerosol-generating substrate (12) (112) (1004); a downstream element (42) (150) (1008) disposed downstream of and axially aligned with the aerosol-generating substrate (12) (112) (1004), the downstream element comprising a cellulosic filter material. The fiber material comprises a plurality of regenerated cellulose fibers selected from one or more of viscose fibers, modal fibers, lyocell fibers and viscose rayon fibers; the natural fibers are selected from one or more of linen fibers, hemp fibers, jute fibers, kenaf fibers, ramie fibers, Manila hemp fibers, New Zealand hemp fibers, sisal fibers, coconut fibers, cotton fibers and kapok fibers. The cellulosic fiber material further includes an additive coating applied to the plurality of regenerated cellulose or natural fibers, the additive coating comprising at least 5% by dry weight of exogenous lignin.

This invention relates to a composition for manufacturing wood composite materials, a wood composite material using the same, and a method for manufacturing the same. More specifically, it relates to a composition for manufacturing wood composite materials comprising a thermoplastic resin, a silane compound of formula (1) comprising an acrylate moiety, and a biomass mixture comprising kenaf powder and wood flour; a wood composite material manufactured using the same; and a method for manufacturing the wood composite material. In formula (1), R1, R2, and R3 are each independently selected from C. 1‑6 Alkoxy, C 1‑6 Alkyl, halogen, C 1‑6 Alkylsiloxy, allyl and C 1‑6 The group consists of alkenyl groups; n is 0 to 15; R4 is C 1‑6 Alkyl group. Formula (1)

Paper sleeves for holding hot liquids are manufactured using paper comprising kenaf. Said sleeve is comprised of 1 to 100% kenaf and may include hurd and bast fibers. The kenaf paper may be treated such as by bleaching, and may include environmentally friendly features such as being recyclable or compostable.

A composite fiber beverage container includes a partially spherical fiber pressure vessel capable of holding beverages at pressure. The composite fiber beverage container is made from a plurality of components made from plant-based fiber materials such as bagasse, bamboo, coconut husk, cotton, flax, hemp, jute, kenaf, paper, seaweed, straw, other fiber materials, or combinations thereof. The fiber materials are selected from recycled materials, newly made (e.g., nonrecycled) materials, or from a combination of recycled materials and nonrecycled materials.

The use of kenaf paper for use to manufacture cardboard cartons or corrugated boxes, wherein said carton or box is comprised of 1 to 100% kenaf.

The invention belongs to the technical field of high polymer materials, and particularly relates to a hibiscus cannabinus powder modified plastic material as well as a preparation method and application thereof. The hibiscus cannabinus powder modified plastic material comprises the following raw materials in parts by weight: 60-70 parts of polypropylene, 10-20 parts of hibiscus cannabinus powder, 4-6 parts of modified cellulose fibers, 5-8 parts of a compatilizer, 1-2 parts of a dispersant, 0.3-0.5 part of an antioxidant, 0.1-0.3 part of an anti-ultraviolet agent, 5-7 parts of a flexibilizer and 1-3 parts of a lubricant. According to the hibiscus cannabinus powder modified plastic material provided by the invention, the polypropylene is used as a main matrix raw material and is combined with the hibiscus cannabinus powder, the modified cellulose fibers, the lubricant and the like for use, and the prepared hibiscus cannabinus powder modified plastic material has relatively high mechanical properties and excellent flame retardance and meets the use requirements of various industrial products.

A composite hose (1) for lining fluid lines (2) is presented, comprising a tubular fiber textile (4) completely enclosed by a film (3), produced by a knitting or weaving process and impregnated with a curable resin, and characterized according to the invention in that the fiber textile (4) consists of or comprises natural fibers, such as hemp fibers, sisal fibers, linen fibers, coconut fibers, kenaf fibers, cellulotic fibers, recycled fibers from old textiles or mixed yarns, or recyclable chemical fibers, such as viscose, modal or lycocell fibers. The invention further relates to a method for manufacturing such a composite hose and a method for repairing leaking fluid lines with such a composite hose.

The utility model relates to a pesticide spraying machine technical field, specifically disclose a kind of red hemp pesticide spraying device, including towing trailer, pesticide box and booster pump are installed on the towing trailer, the inlet end of the booster pump is connected with pesticide box, vertical installation is carried out on the towing trailer with pillar and medicine pipe, the outlet end of the booster pump is connected with the bottom of medicine pipe, the side portion of the pillar is rotatably connected with several rotating arms, the rotating arm is provided with the strip hole parallel to itself in the through, reciprocating lifting mechanism is installed on the towing trailer, lifting arm is connected on the lifting end of reciprocating lifting mechanism, the side portion of the lifting arm is interval arranged with several sliding columns, several the sliding column is slidably installed in several the strip hole, the length direction both ends of the rotating arm are equipped with pesticide spraying gun, each the pesticide spraying gun is connected with medicine pipe by a hose, the utility model can be able to the even pesticide spraying of red hemp, and effectively the pesticide spraying efficiency of red hemp.

The application discloses a construction method of a scouring silt solidified soil template for an offshore wind power foundation, relates to the field of scouring silt solidified soil for offshore wind power, and comprises the following steps: step 1, preliminary preparation: terrain measurement is conducted on a seabed plane around a foundation pile 1 by using an airborne laser detection technology, and whether a scouring pit 2 has been formed around the foundation pile 1 is checked; step 2, template prefabrication; step 3, template splicing; and step 4, filling of internal materials of the template. The application has the advantages that the kenaf fiber or jute fiber geotextile is a kind of green environmental protection material which is degradable, high in strength, corrosion resistant, high in seabed deformation adaptability and low in cost; the kenaf fiber or jute fiber geotextile, as the template, can not only protect the internal silt solidified soil, but also does not need to be recycled in the later period, and has a good market application prospect.