1164 results about "Natural fiber" patented technology

A package of one or more absorbent articles is disclosed. The package includes a package material enclosing the one or more absorbent articles. The package material has natural fibers and forms a front panel, a back panel opposite the front panel, a first side panel, a second side panel opposite the first side panel, a top panel, and a bottom panel opposite the top panel. The panels define an interior compartment. The package material has a Basis Weight of between about 55 gsm and about 115 gsm, according to the Basis Weight Test Method. The package has a weakened region. The package is sealed such that the one or more absorbent articles are enclosed in the interior compartment.

The invention discloses a preparation method of a natural fiber prepreg with an improved impregnation effect, and relates to the technical field of composite material preparation, the method comprises the following steps: carrying out synergistic modification through fiber surface plasma activation and silane grafting, and combining a gradient pressure-temperature coupling impregnation system and ultrasonic-assisted permeation to prepare the natural fiber prepreg with the improved impregnation effect. And gradient filling and interface chemical bonding strengthening of the resin in the fiber bundle are realized. The core process comprises the following steps: pretreating fibers to improve surface energy and roughness, introducing a reactive diluent and a block copolymer into a resin system to regulate and control viscosity and transport capacity, constructing a pressure gradient by a multi-stage compression roller to drive resin to permeate into a bundle core, promoting uniform impregnation by infrared temperature control and ultrasonic cavitation, and finally obtaining uniform resin distribution and porosity lt. The interlayer shear strength is gt; and the high-performance prepreg is stable in batch under the pressure of 45 MPa. Reliable technical support and process guarantee are provided for large-scale engineering application of the high-performance natural fiber composite material.

A package of one or more absorbent articles is provided. The package comprises a package material comprising natural fibers. The package comprises a plurality of panels comprising a consumer-facing panel. The package is sealed such that the one or more absorbent articles are enclosed therein. The package material exhibits a HuBa value of greater than about 5.3 hours, according to the HuBa Test. The package is recyclable. The package comprises a vertical side seal having a side seal strength. The side seal strength is greater than about 5.1 N / 15 mm and less than about 15 N / 15 mm, according to Seal Tensile Strength Test.

The invention belongs to the technical field of environment-friendly materials, and mainly relates to a high-strength express bag which comprises a polylactic acid material, a poly (butylene succinate) material, a fiber material and an additive, the mass percent of the polylactic acid material is X, and the unit is%; the mass percentage of the poly (butylene succinate) material is Y, and the unit is%; wherein X + Y = 70; considering that an existing degradable express bag does not have relatively high tensile strength, by adjusting the ratio of the polylactic acid material to the poly (butylene succinate) material, the performance of the express bag in the aspects of tensile strength, tear resistance, thickness, degradation time and the like is optimized, and the optimal effect is achieved; in addition, the precise proportion of natural fibers and specific additives is also fused, so that the comprehensive performance of the express bag is further improved; furthermore, the invention further discloses a preparation method of the high-strength express bag, and the performance of the express bag is further improved.

A package of one or more absorbent articles is provided. The package comprises a package material comprising natural fibers. The package comprises a plurality of panels comprising a consumer-facing panel. The package is sealed such that the one or more absorbent articles are enclosed therein. The package material exhibits a HuBa value of greater than about 5.3 hours, according to the HuBa Test. The package is recyclable. The package comprises a vertical side seal having a side seal strength. The side seal strength is greater than about 5.1 N / 15 mm and less than about 15 N / 15 mm, according to Seal Tensile Strength Test.

The invention discloses an improved protein kapok silk fiber material and a preparation method thereof, and belongs to the technical field of natural fiber modification. Comprising the following steps: soaking pretreated kapok fibers obtained by soaking kapok fibers in an alkaline solution in an oxidizing agent solution to obtain oxidized kapok fibers; dipping the oxidized kapok fiber in a polyacrylic acid-levodopa solution, adding a diamine cross-linking agent, and mixing to obtain polyacrylic acid-levodopa modified kapok fiber; the polyacrylic acid-levodopa modified kapok fibers are soaked in the impregnation liquid, and the improved protein kapok silk fibers are obtained. The improved protein kapok fiber yarn fiber material prepared by the preparation method disclosed by the invention has good waterproof performance, mechanical strength and softness.

The invention discloses an oil exploitation tensile cable based on a high polymer material and a production method thereof, and relates to the technical field of cables, the cable comprises a conductor and an insulating layer wrapping the conductor, the insulating layer is made of a bio-based high polymer composite material, the bio-based polymer composite material comprises the following components in parts by weight: 50-70 parts of a bio-based polymer matrix and 20-30 parts of reinforced fibers. The bio-based polymer composite material is adopted as an insulating layer of the tensile cable for oil exploitation, so that the environmental protection performance and biodegradability of the tensile cable for oil exploitation are improved; the material is composed of polylactic acid, a polyhydroxyalkanoate bio-based polymer matrix and a plurality of high-performance additives, conventional synthetic fiber reinforcement is included, natural fibers are introduced to be compounded with a bio-based polymer material, and the unique fiber structure and surface performance of the material can form good interaction with bio-based polymers, so that the high-performance composite material is obtained. Therefore, the strength and toughness of the material are improved.

The present disclosure is directed to a package configured to receive one or more absorbent articles. The package comprises a package material comprising natural fibers. The package comprises a plurality of panels comprising a consumer-facing panel and a back panel having one or more wicket holes in a portion thereof. The package is configured to be sealed such that the one or more absorbent articles are enclosed therein. The back panel comprises a first chamfered side edge and a second chamfered side edge in an area proximate to the one or more wicket holes. The package material comprises a barrier film layer disposed on an inner surface of the package material. The package is recyclable.

The utility model discloses a yarn and knitted fabric for efficient short-process embedded spinning knitting, and relates to the technical field of spinning. Comprising a yarn core, outer wrapping part fibers are connected to the surface of the yarn core in a winding mode, and raw material fibers of the outer wrapping part fibers are one or a mixture of two or more of natural fibers, artificial fibers and synthetic fibers; the raw material fiber of the yarn core is pure yarn or blended yarn of filaments or short fibers.

A package of one or more absorbent articles, wherein the one or more absorbent articles are sealed within the package is described. The package has a plurality of panels and a top fold line. The plurality of panels includes a consumer-facing panel and a top panel disposed superjacent to the consumer-facing panel. Each of the plurality of panels has an inner surface and an outer surface. The top fold line is disposed between the consumer-facing panel and the top panel, and the top fold line is colinear, at least in part, with a cross-wise crease. And the package material has natural fibers and has a basis weight of between 60 gsm to 120 gsm, more preferably between 65 gsm to 105 gsm, or most preferably between 70 gsm to 90 gsm, as determined via ISO 536 as modified herein.

A molded pulp product formed from the molding of a three-dimensional pulp slurry. The pulp slurry comprises a natural fiber composition of virgin fibers which have not been recycled and are derived from plant materials. The natural fiber composition includes hemp fibers which have been micronized to suitable length and combined with pulverized hemp shive to form a fibrous matrix. The molded pulp product is formed from a vacuum molding process, thermoforming process, custom air-burst molding process, or other molding process wherein the slurry is applied to a three-dimensional mold and a three-dimensional product is formed. The resulting packaging product is one hundred percent biodegradable.

The invention discloses an environment-friendly EVA (Ethylene Vinyl Acetate) material and belongs to the technical field of polymer composite materials. The environment-friendly EVA material is prepared from the following components: EVA resin, a bio-based dynamic cross-linking agent DBX-200, a natural fiber reinforced network, a hybrid flame-retardant filler, a bio-based plasticizer, zinc oxide, zinc stearate and an antioxidant. The bio-based dynamic cross-linking agent DBX-200 is introduced to replace a traditional toxic peroxide cross-linking system, pollution-free cross-linking is achieved, and the material is endowed with a self-repairing function. The natural fiber reinforced network is composed of silane coupling agent modified bamboo fibers and carboxylated nanocellulose, a multi-stage reinforced structure is formed, and the mechanical property is remarkably improved. The hybrid flame-retardant filler coats Mg (OH) 2 / HNTs through dopamine, so that synergistic flame retardance of a gas phase and a condensed phase is realized; the bio-based plasticizer is compounded by acetylated tributyl citrate and epoxidized cashew nut oil, and the plasticizing efficiency and the migration resistance are both considered. The material has the characteristics of high mechanical property, excellent flame retardance and environmental friendliness, and is suitable for the fields of shoemaking and the like.

The invention relates to the technical field of plastic bags, in particular to an antibacterial degradable plastic bag and a preparation method thereof. The antibacterial degradable plastic bag is prepared from the following raw materials in parts by weight: 60-80 parts of polyhydroxyalkanoate, 30-40 parts of filler, 2-4 parts of an antioxidant and 0.6-1 part of an active agent. In the preparation process of the antibacterial degradable plastic bag, in a filler system, vesuvianite powder and eggshell powder are used as inorganic reinforcing phases, sericin and mulberry leaf powder are used as bioactive phases, flax and cotton provide a natural fiber structure, and lignin and konjac glucomannan are used as bio-based bonding materials; and the eggshell powder is compact in crystal structure after being subjected to high-temperature calcination treatment, and can be used as a stress transfer medium in a material system, so that the stress concentration when the plastic bag is stressed is reduced, and the strength performance of the plastic bag is improved.

The invention discloses a preparation method for forming a micro-nano hydrophobic coating by dip-coating on the surface of a fabric, and relates to the technical field of hydrophobic modification of natural fiber fabrics. According to the first part of the product, the selected fabric is formed by weaving natural materials through pulping, spinning and other processes, the fabric hydrophobic coating is composed of two parts, the first part is that a hydrophobic solution and the fabric are selected to construct a microcosmic basic structure, the second part is that a hydrophobic layer is secondarily covered with a mixed solvent, and micro-nano solid particles are added; by utilizing the properties of a silane coupling agent and polydimethylsiloxane, the silane coupling agent and the polydimethylsiloxane are mixed according to a proportion, and the mixture is smeared on the surface of the fabric to construct a rough coating. The preparation method has the advantages that the hydrophobicity is good, and a modified product can still have a good hydrophobic effect after being soaked in water for a long time; the environment is protected, when landfill treatment is needed, the product can be degraded in the natural environment for two years, and when combustion treatment is needed, only carbon dioxide, water and other environment-friendly gases can be generated; water and soil loss is prevented, the hydrophobic effect can be kept in the soil for two years, and afforestation and desert greening are facilitated; the soil is fertile, and the product is rich in sodium ions after being soaked in sodium methyl silicate, so that the nutrient of the soil is increased, and the soil is kept in a fertile state.

The invention discloses an anti-wrinkle wear-resistant flax blended yarn and a processing technology thereof, and relates to the technical field of textiles. The prepared flax blended yarn comprises natural fibers, modified polylactic acid fibers and ultra-high molecular weight polyethylene fibers. Wherein the natural fibers are obtained by performing degumming pretreatment on linen fibers and bamboo fibers and then mixing the linen fibers and the bamboo fibers with cotton fibers; graphene oxide is deposited on the surface of the fiber through dopamine polymerization, so that the wear resistance of the yarn is improved; the modified polylactic acid fibers are obtained through melt spinning of polylactic acid, poly (adipic acid) / butylene terephthalate and modified chitin nanofibers, the compatibility of the chitin nanofibers and the polylactic acid is improved through polyethylene glycol, and the polylactic acid fibers are enhanced; coarse yarns are obtained through combing, drawing, roving and spinning, the coarse yarns are soaked in a finishing agent, and finally the finished blended yarns are obtained and have good wear resistance and wrinkle resistance.

An insulated shipping container and method of forming and loading an insulated container utilizing sustainable materials including recycled post-industrial, pre-consumer natural fiber, plant-based fiber and synthetic fiber to include recycled polyethylene terephthalate (PET).

The invention relates to the technical field of wallboard detection, and discloses an online visual detection system and method for a multilayer bamboo wallboard, and the system comprises a multi-dimensional information fusion module, a reference field texture analysis module, a statistical anomaly identification module, a time sequence thermal excitation module, an isotherm form recognition module and a feature matching and grading module. Pixel-level multi-dimensional information fusion is carried out on the visible light band signal and the near-infrared band signal of the multispectral image set to obtain a fused image; taking the typical trend of the bamboo natural fiber as a reference field, and comparing and analyzing the fiber texture trend to generate a texture feature map; identifying a texture abnormal area of which the fiber trend consistency is lower than that of the reference standard; applying thermal excitation in the texture abnormal area to adjust an intensity time sequence to obtain a time sequence gradient temperature field; recognizing a fracture form to obtain defect boundary and depth features, and outputting a quality grade after matching the defect boundary and depth features with a grading standard; according to the invention, the detection efficiency of the multi-layer bamboo wallboard can be improved.

The invention relates to the technical field of ecological restoration, in particular to an ecological restoration composite material and a preparation method thereof. Comprising a base material: 30-70 parts of a natural polymer material or a degradable synthetic polymer material; reinforced fibers: 5-40 parts of natural fibers or degradable synthetic fibers; a functional additive: 10-40 parts of at least one of a water-retaining agent, an organic fertilizer, a microbial carrier and a soil conditioner; a plant growth promoter: 1-15 parts of humic acid, a seaweed extract, a trace element fertilizer or an antagonistic antibacterial agent; a binder: 0 to 15 parts of a degradable polymer binder; and 5-15 parts by weight of water. According to the invention, the biodegradability of the material is ensured, the mechanical strength is improved and the overall performance of the composite material is enhanced by optimizing the combination of base materials, pretreating the reinforced fibers, achieving the synergistic effect of the multifunctional additive and efficiently loading the plant growth promoter; the ecological restoration composite material provides long-term support for plant growth.

The invention discloses an environment-friendly fiber textile composite material and an environment-friendly production process thereof, and relates to the technical field of textile composite materials, the environment-friendly fiber textile composite material comprises natural fibers, regenerated fibers, an environment-friendly adhesive and a functional additive, the natural fibers are fiber materials derived from renewable resources, and the regenerated fibers are fiber materials derived from renewable resources. The natural fiber is selected from one or more of bamboo fiber, cotton fiber, linen fiber, hemp fiber and coconut fiber, and the natural fiber accounts for 30-60% of the weight part of the composite material. The natural fibers and the regenerated polyester fibers are combined, so that the environmental protection performance of the material is enhanced while high strength and durability are guaranteed, the material has excellent hygroscopicity, air permeability and biodegradability, and the problems that in a traditional fiber material, the natural fibers are single in performance, the regenerated fibers are poor in environmental protection performance and the like are solved. The problems that mechanical properties and ecological sustainability are difficult to consider at the same time are solved, the service life of the material is prolonged through combination of various fibers, environmental pollution is effectively reduced, and the environment-friendly trend is met.

The invention belongs to the technical field of textile production, and relates to an active disperse dye and a dyeing process. The reactive disperse dye comprises a dye matrix and a bis-aziridine chain segment grafted on the dye matrix, and-OCH2-is introduced to an aromatic ring para-position of the bis-aziridine chain segment as an electron-donating group. A dyeing process: after active disperse dye is dissolved, dyeing the textile; the textile consists of more than one of natural fibers and synthetic fibers; the dyeing temperature is 85-100 DEG C, and the dyeing temperature is higher than Tg of the synthetic fibers. According to the invention, a '-OCH2-' electron-donating group is introduced in the para-position of an aromatic ring of a diaziridine chain segment, and the conjugation effect and the induction effect of the group reduce the activation energy of C-N bond breakage, so that carbene can be efficiently generated without depending on a high-temperature or acid-base environment; the problems that in the prior art, the condition for generating carbene through a diaziridine chain segment is harsh, and the color fastness of the dyed textile is low when supercritical CO2 fluid is adopted for dyeing are solved.

The utility model discloses a composite antibacterial polyester filament, belongs to the technical field of textiles, and solves the problems that if the composite antibacterial polyester filament is required to have antibacterial performance from inside to outside, natural fibers are required to be combined together when the composite antibacterial polyester filament is required to be changed into spinning, and for pure physical spinning, the composite antibacterial polyester filament cannot have antibacterial performance inside and outside at present. Comprising a special-shaped section core wire and a plurality of outer wrapping wires, a plurality of spacing bar grooves are formed in the outer ring of the special-shaped section core wire, the spacing bar grooves are filled with a plurality of antibacterial particles, the special-shaped section core wire is arranged in a self-twisting mode, the outer wrapping wires are all arranged on the outer ring of the special-shaped section core wire, and the outer sides of the outer wrapping wires are coated with antibacterial coatings. Antibacterial particles are contained in the spacing bar grooves, openings of the spacing bar grooves are covered with the outer wrapping filaments, the particles are clamped after the special-shaped cross section core filaments are self-twisted, the internal and external antibacterial effect is ensured, natural fibers do not need to be added, and the purity of the polyester filaments is kept.

The utility model discloses a yarn with antibacterial, moisture-absorbing and quick-drying functions and a processing system thereof, and relates to the technical field of textile functional yarn production, the yarn comprises an antibacterial natural fiber core yarn and a moisture-absorbing and quick-drying coating layer, the moisture-absorbing and quick-drying coating layer comprises a natural fiber strip and a water-repellent natural fiber strip; the natural fiber strip and the water-repellent natural fiber strip are drawn to form a wrapping belt, and the wrapping belt is wound into a barrel shape in the width direction and wraps the outer peripheral side of the antibacterial natural fiber core yarn. The yarn can be made of all-natural plant fibers, can resist bacteria for a long time, has moisture absorption and quick drying performance, meets the use requirements of environmental protection, washing resistance and good wearing comfort, and has the advantages of being easy and convenient to process and manufacture.

Embodiments relate to an enhanced method for building walls by primarily reducing the time for assembly. The design is for a molded multi-segment plastic composite construction block that interlocks horizontally, vertically and orthogonally with a clearance-fit, does not require mortar for structural integrity and is self-aligning. The blocks are molded out of natural-fiber reinforced thermoplastic composites with thermal expansion coefficient less than 0.0002 per degree Celsius and compression strength greater than 60 MPa.

Product use by means of the invention for dyeing and coloring or the like of substrates made of fibers, fiber cables, yarns made of cut and filament fibers, flat structures such as woven fabrics, knitted fabrics, warp-knitted fabrics, non-woven fabrics and ready-made clothing and home textiles and the like, in particular of textiles with 100% or with mixtures thereof. These can be made of plant and animal natural fibers, stem fibers, synthetic fibers of petrochemical or natural origin as well as special fibers such as soy fibers, milk fibers, bamboo fibers or fibers that are difficult to dye such as aramid, polypropylene.

The invention provides a cow dung organic controlled-release fertilizer and a preparation method thereof. The preparation method comprises the following steps: preparing porous cow dung biochar; preparing a cow dung organic fertilizer; uniformly mixing and stirring the porous cow dung biochar, the natural fibers in the treated cow dung and the cow dung organic fertilizer, and extruding and granulating in a granulator at normal temperature; drying to obtain the composite porous cow dung biochar with the sea urchin structure; preparing a hydrogel membrane solution, soaking the composite porous cow dung biochar with the sea urchin structure in the hydrogel membrane solution, and drying to obtain the cow dung organic controlled-release fertilizer. The cow dung organic controlled-release fertilizer formed by wrapping the cellulose hydrogel film layer with the composite porous cow dung biochar with the sea urchin structure is adopted, the porous cow dung biochar retains organic matter and nutritional ingredients in cow dung, and meanwhile moisture and pathogenic microorganisms are reduced through the carbonization process; the organic fertilizer is suitable for release and utilization of long-acting nutrient substances, the cow dung organic fertilizer is slowly released and utilized firstly, and the cow dung biochar is released and utilized for a long time.

An insulated shipping container and method of forming and loading an insulated container utilizing sustainable materials including recycled post-industrial, pre-consumer natural fiber, plant-based fiber and synthetic fiber to include recycled polyethylene terephthalate (PET).

The invention discloses an artware material based on polyester degradable plastics and a preparation method thereof. The material is prepared from the following components in parts by weight: 50-80 parts of polyester degradable resin, 5-15 parts of a plasticizer, 10-25 parts of a natural plant fiber reinforcing agent with the length of 0.5-5mm and the diameter of 5-50 microns, 3-8 parts of a compatilizer, 0.5-2 parts of an antioxidant, 0.5-2 parts of a light stabilizer and 0.1-1 part of an antibacterial agent. The natural plant fiber reinforcing agent is pretreated by a coupling agent solution, and the material is prepared by melt blending in a twin-screw extruder with a specific length-diameter ratio. Through optimization of the formula and process parameters, the material has good degradability, mechanical strength, surface smoothness and dimensional stability, and also has aging resistance, antibacterial property and the like. The preparation method comprises the steps of natural fiber pretreatment, premixing, melt blending, granulation and the like, and the synergistic effect of all parameters ensures good dispersion and interface bonding of the fibers.

The invention provides an environment-friendly biodegradable waterproof coiled material and a preparation method thereof, and belongs to the field of waterproof coiled materials. The coiled material design comprises a plurality of functional layers, and firstly, high-toughness and degradable bio-based fibers and natural fibers are selected in a reinforcing layer so as to provide reliable mechanical properties and environment-friendly characteristics; the waterproof functional layer adopts a renewable bio-based polymer, so that not only is the adaptability of the material improved, but also the mechanical property of the material is enhanced through combination with an inorganic filler; montmorillonite, bentonite and regenerated cellulose are introduced into the layer to serve as filler and have a synergistic effect, so that the waterproof performance, the high temperature resistance and the aging resistance are remarkably improved, and the service life is prolonged. The surface protection layer is made of modified polyurethane, fluorinated polyurethane and organic silicon resin are combined, and hydrophobicity, pollution resistance, heat resistance and ultraviolet resistance are enhanced.

An engineered cementitious composite (ECC) that forms extremely durable concrete (EDC) is provide that includes Portland cement binder, a tire-derived rubber granular component (e.g., crumb rubber), a calcined clay component comprising a calcined clay, Portland cement component, and limestone, water, a superplasticizer, a polymeric or natural fiber, and optionally further including silica sand, microsilica, fly ash, a cellulose-based viscosity modifier, microsilica, or combinations thereof. Such an engineered cementitious composite has a tensile strain capacity of greater than or equal to about 3% and an ultimate tensile strength of greater than or equal to about 2.2 MPa. Such an ECC has high toughness and can be loaded in both tension and compression having a built-in capability of crack width control without the need for steel reinforcement.

The invention discloses natural fiber geotextile and a preparation method thereof, and relates to the field of environment-friendly materials.The preparation method comprises the following steps that natural fiber fabric is placed in chemical treatment liquid to be subjected to dipping-compression roller treatment to obtain treated fabric, and the treated fabric is subjected to irradiation treatment; the chemical treatment liquid is prepared by mixing asphalt emulsion, bisphenol A epoxy resin, unsaturated polyester resin, a curing agent and an initiator. The asphalt emulsion, bisphenol A epoxy resin and unsaturated polyester resin are used for filling pores of the natural fiber fabric, cross-linking is carried out to form a three-dimensional cross-linked network, and irradiation treatment is carried out. Under the comprehensive action, the mechanical strength of the natural fiber geotextile is improved, the moisture absorption rate is reduced, and the antibacterial rate is improved.