955 results about "Flax fiber" patented technology

The present invention is directed to a hemostatic textile, comprising: a material comprising a combination of glass fibers and one or more secondary fibers selected from the group consisting of silk fibers; ceramic fibers; raw or regenerated bamboo fibers; cotton fibers; rayon fibers; linen fibers; ramie fibers; jute fibers; sisal fibers; flax fibers; soybean fibers; corn fibers; hemp fibers; lyocel fibers; wool; lactide and/or glycolide polymers; lactide/glycolide copolymers; silicate fibers; polyamide fibers; feldspar fibers; zeolite fibers, zeolite-containing fibers, acetate fibers; and combinations thereof; the hemostatic textile capable of activating hemostatic systems in the body when applied to a wound. Additional cofactors such as thrombin and hemostatic agents such as RL platelets, RL blood cells; fibrin, fibrinogen, and combinations thereof may also be incorporated into the textile. The invention is also directed to methods of producing the textile, and methods of using the textile to stop bleeding.

The invention relates to a fluorescent pseudomonad DA4 strain as well as an acquisition method and application thereof. The fluorescent pseudomonad DA4 strain has pectase and hemicellulase producing capacity and flax degumming activity. The fluorescent pseudomonad strain screened by the invention has fast propagation, high antipollution capacity and good heat and alkali resistance; since a composite degumming enzyme solution is used for flax degumming, the degumming period is shortened greatly, and the system and the culturing process is safe for operation without toxicity or environmental pollution; the invention can shorten the flax degumming period, enhance the flax yield and the strength of flax fibers, improve the quality of the flax fibers by adopting the composite degumming enzyme solution for flax microbial degumming, thereby being beneficial to popularization; in addition, the invention can not only be used for flax raw stem degumming, roving scouring and the biological pretreatment of flax fabrics, but also can be used for the degumming and the biological pretreatment of hemp bast fibers, i.e. ramie, jute, hemps, and the like.

A composite sheet material includes, in an exemplary embodiment a porous core that includes at least one thermoplastic material and from about 20 weight percent to about 80 weight percent of natural fibers based on a total weight of the porous core. The natural fibers include at least one of kenaf fibers, jute fibers, flax fibers, hemp fibers, cellulosic fibers, sisal fibers, and coir fibers.

The invention discloses a sandwich structure fiber plate. Flax fiber and polyester with low melting point are adopted as raw material. After two fibers with different proportion are mixed the mixture is combed into net and fire retardant is sprayed on the fiber net. Triple fiber nets are folded into the sandwich structure fiber plate, wherein components of upper and lower skin fiber nets are the same. The proportion of polyester with low melting point in the medium fiber net is small. Fiber net and decorative fabrics are pressed thermally together to fabricate the sandwich structure fiber plate. The invention is the no-harmful circumstance-protection fiber plate with good heat insulation, sound insulation and force performances. It is suitable for internal decorative plate of vehicle door especially.

The present invention discloses a bamboo carbon polyester fibre, flax fibre and cotton fibre blended yarn and its preparation method. It is made up by using 20-40% of bamboo carbon polyester fibre, 30-40% of flax fibre and 20-50% of cotton fibre through a certain preparation process. The performance indexes of said blended yarn are as follows: single yarn breaking strength is 9.0-18.0 cN/tex, the coefficient of variation CV value of single yarn breaking strength is 8.0-22.0% and the coefficient of variation CV value of yarn evenness is 12.5-24.0%.

The invention relates to a process for producing hemp-like bamboo fibers, which comprises the following steps of: sawing bamboo according to certain length, flattening, soaking in intermediate temperature softening solution for 3 to 24 hours or cooking by using tailor-made softening solution at a high temperature under high pressure for 15 to 60 minutes, draining, feeding into a fiber separator, rolling, kneading, tearing, combing, opening and the like to prepare the hemp-like bamboo fibers; putting the hemp-like bamboo fibers into a bamboo fiber purifying reactor, performing alkali boiling, bleaching, cleaning and curing; and opening, decontaminating and regularly combing the hemp-like bamboo fibers by using a hackling machine or a middle cutting machine to prepare hemp-like spinnable bamboo fibers. By the method, the hemp-like bamboo fibers can be produced; and the fibers are regular, uniform and soft, have the characteristics of large length, high strength, low fineness and the like, and have spinnability similar to that of hemp and flax fibers.

A biodegradable cigarette filter tow includes a mixture of at least two or more natural materials selected from the group consisting of hemp fiber, flax fiber, abaca fiber or pulp, sisal fiber or pulp, wood pulp, and cotton fiber or cotton flock. The mixture may also include regenerated cellulose fibers. The mixture may include a natural binder or may be hydroentangled.

The invention provides a diatom ooze wall material with high content of diatomite and a preparation method thereof, relating to a diatom ooze wall material and a preparation method thereof, and solving the problem that existing diatom ooze wall materials have poor using effects. The diatom ooze wall material is prepared from diatomite, dispersible latex powder (21#), hydroxypropyl methyl cellulose, Portland cement, ash calcium powder, attapulgite powder, white washed quartz sand, sericite powder, zeolite powder, flax fibers, nano ZnO powder, nano silver particles, hydrophobic organic silicon powder and inorganic pigments. The method comprises the steps of I. weighing the raw materials; II. mixing the raw materials uniformly to obtain diatom ooze powder, and packaging the diatom ooze powder with a moisture-barrier bag, thus completing preparation. The diatom ooze wall material has high content of diatomite (volume content is not less than 60%), has various performance indexes meeting the national requirements for diatom ooze wall materials, and is an efficient and environment-friendly indoor decoration material. The method for preparing the diatom ooze wall material with high content of diatomite is simple and convenient to operate and can achieve industrialization.

The invention discloses a short flax fiber degumming and bleaching process. The process is characterized by taking short flax fibers as the processed objects and comprises the following steps in sequence: washing, alkali boiling, oxygen bleaching and cleaning. The process is mainly characterized by also comprising the steps of acid washing and sodium chlorite bleaching in sequence before the step of short flax fiber washing. The process has the following beneficial effects: not only does the process have good degumming and bleaching effects, but also the short flax fibers are characterized in that the short flax fibers can be used for spinning medium/high count yarns; and a simple and effective way is provided for utilization of the short flax spun fibers.

The invention discloses semi-worsted emerald pearl fiber blended health care yarn and a production method and application thereof. The weight percent of an emerald pearl fiber in the blended yarn is 20-40%, the weight percent of a flax fiber in the blended yarn is 15-30%, the weight percent of a wool fiber in the blended yarn is 30-50%, and the weight percent of a cashmere fiber in the blended yarn is 10-35%. According to performance indexes of the blended yarn, the single yarn breaking strength is 11.4-20.3cN/tex, the single yarn breaking strength variation coefficient Cv value is 10.3-17.9%, and the yarn evenness variation coefficient Cv value is 13.6-20.8%. Not only do the semi-worsted blended health care yarn made of the emerald pearl fiber, the flax fiber, the wool fiber and the cashmere fiber and a manufactured fabric have healthcare functions of antibacterium, deodorization, inflammation diminishing, odor removal, skin care, fitness, beauty and skin moistening and the like, but also the fabric is good in skin friendliness, comfort, moisture absorption, air permeability and dyeing property, soft in touch, attractive and elegant in product appearance, bright in color, full of gloss, good in ultraviolet resistance, unique in appearance and wide in product purpose, and high-quality healthcare fabrics can be produced in the fields of knitting or weaving.

One flax blended yarn and its preparation technology. The blending ratio of the chemical fiber is 20-80:80-20, the Separatist degrees of flax fiber used is more than 2000. the preparation technology is that flax fiber and chemical fiber blend by the equipment of Cotton-cleaning, carding strip, drawing, roving, spinning, finally winding into yarn. The flax fiber and chemical fiber blend in the cleaning cotton disk. Add the equipment of spinning core spun slub Yarn. The beneficial effect of the present invention is: owing to the improvement in the procedure, the blended yarn with multi-fiber and more varieties is available, which satisfy the demand of customers; the Ma in yarn and other fiber are mixed uniformly, which leads to easy dye; the fabrics produced by the mix of Ma yarn and chemical fiber has the following advantages: wrinkle resistant, wear-resistant, can not afford ball, overhanging flexible, antibacterial antibiotics, anti-UV, thin smoothness, cool, breathable, moisture absorption, scattered wet fast, and so on.

The invention relates to a biologically-aided totally-chlorine-free bleaching technology of flax cloth or fiber. An oxygen-contained bleaching agent generally functions on lignin far less than a chloride-contained bleaching agent, so developing a novel pollution-free method for removing lignin in cloth fibers is necessary to realize chlorine-free bleaching; the removal of the lignin is the key of effective bleaching especially for fibers such as the flax fibers containing more lignin. The biologically-aided totally-chlorine-free bleaching technology of flax cloth or fiber comprises the following steps: flax raw cloth is subjected to the alkali boiling off and acid pickling, then is subjected to the biological pretreatment and bleached by hydrogen peroxide; and the hydrogen peroxide re-bleaching process is carried out at the following conditions: 4-15g/L hydrogen peroxide, the pH value of 7-11, the bleaching temperature of 40-80 DEG C, the bath ratio of 1:5-20, and the bleaching time of 0.5-2 hours; and the whiteness of products after bleaching can reach up to more than 80 percent, the tensile strength can reach up to 500-900*800-1200N, the capillary effect is more than 8 cm, and the prior requirements of the bleaching technical indications of flax cloth are met. The invention is used for the treatment of flax cloth or fibers under the chlorine-free condition.

The invention provides a wet spinning method of low-proportion high-spun flax macrofiber, which comprises the steps of: a first step, combing original flax fiber to obtain flax macrofiber; a third step, carrying out hemp proportioning on the flax macrofiber obtained after crystal transition modification in a former step, gilling, paralleling and spinning by a roving process to obtain flax roving; and a fifth step, carrying out wet spinning on the flax roving obtained after water blanching in a former step by a wet spinning frame to obtain the flax yarn. The wet spinning method is characterized in that a second step of carrying out crystal transition modification treatment on the flax macrofiber is performed between the first step and the third step, and a fourth step of carrying out water blanching on the flax roving is performed between the third step and the fifth step. The method has the advantages that the utilization ratio of the flax macrofiber is greatly improved and reaches more than 70%, and the material resources are saved; high-count linen yarn can be spun according to the fiber proportion of the traditional wet spinning method; and the water blanching replaces the scouring blanching in the traditional wet spinning method, so that the process is simplified, the energy sources are saved and the cost is lowered.

The invention relates to a bamboo carbon fiber fabric and a processing method thereof. The fabric is formed by weaving warp yarns and weft yarns, wherein the warp yarns are prepared from the following raw materials in parts by weight: 40 to 80 parts of bamboo carbon fibers, 10 to 30 parts of flax fibers, 10 to 20 parts of soybean fibers and 5 to 20 parts of spandex; and the weft yarns are prepared from the following raw materials in parts by weight: 40 to 80 parts of bamboo carbon fibers, 20 to 30 parts of cotton fibers, 10 to 20 parts of mica fibers and 5 to 10 parts of spandex. After being woven, the fabric is treated with an antibacterial finishing liquid. The fabric is extremely high in antibacterial property, cool, anti-pilling, breathable and high in hygroscopicity, is soft and anti-wear in texture, and is very suitable for being applied to the fields such as underwear, nightgowns, evening wear and skirts.

The invention relates to a blended yarn of flax and Tencel fiber, wherein the flax is 50-60%; the Tencel fiber is 40-60%; and its preparation comprises: (1) preparing the flax into blended yarn bar to be mixed with Tencel fiber into bar, and combining the bars into thick yarn; (2) boiling said thick yarn into thin yarn; (3) drying the thin yarn and winding to prepare the blended yarn; and the boiling process in the step (2) comprises: washing with hydric sulphate solution; bleaching with the mixture of sodium chlorite and sodium nitrate; first washing with water; oxygen bleaching with the mixture of sodium carbonate, caustic soda, sodium silicate and hydrogen dioxide solution; second washing with water. The inventive blended yarn has the advantages of two fibers, and the boiling process can increase the spinning number of flax; therefore, the product has crinkle resistance and better brightness, etc.

The invention relates to a method for manufacturing a composite board, in particular to a method for manufacturing a fibrilia/polypropylene fiber composite board. The invention aims at solving the problems that the fibrilia/polypropylene fiber composite board can not be manufactured by the existing extrusion molding process, and various defects in the existing hot pressing technology for manufacturing the fibrilia/polypropylene fiber composite board, such as the difficulty for evenly mixing raw materials, lowered material performance, small the proportion of the plant fiber material and increased cost. The method comprises the following steps: firstly, entwisting the rough flax fiber into long lines to obtain flax ropes; secondly, carding a polypropylene lacerated film long stripe into a filament yarn to obtain polypropylene silk yarn; and thirdly, weaving the flax ropes and the polypropylene silk yarn into pieces, performing hot pressing to the pieces after being covered by a steel plate, taking out together with the steel plate after pressure relief, and putting the pieces to a cold press for cooling and molding to obtain the fibrilia/polypropylene fiber composite board. In the invention, the dispersible uniformity of the raw material is good, the performance enhanced effect of the board is good, the highest proportion of the plant fiber material in the product is 90 percent,the consumption of polypropylene is reduced, and the production cost is reduced.

The invention provides a dry spinning method for spinning flax short fiber into high count yarn, comprising the following steps: step 1, original flax fiber is combed to enable flax short fiber to fall down, and then the flax short fiber is used as the raw material for dry spinning; step 3, crystallized and modified flax short fiber obtained in the step 1 is subjected to flax assorting, and the crystallized and modified flax short fiber is spun into flax rough yarn through 3-4 times of gilling, combing, slivering, drawing and roving procedures; step 4, the flax rough yarn is dry-spun into high quality and high count flax fine yarn by a dry spinning frame; the drying spinning method is characterized in that a step 2 is carried out between the first step and the third step; and step 2, the flax short fiber is subjected to crystallization and modification treatment. The dry spinning method has the advantages that the dry spinning method can be used for spinning flax short fiber into 50 metric count according to the fiber proportion which is adopted by the traditional dry spinning method used for spinning flax short fiber into 36 metric count flax yarn, and the technological and process innovation that low-quality flax short fiber can be spun into high quality and high count flax yarn is realized; and the caustic soda and glacial acetic acid treatment adopted in the traditional dry spinning method is replaced by the crystallization and modification treatment, so that no exhaust gas and liquid waste are generated in the whole technological process.

The invention discloses a composite sole combined by natural rubber and EVA; a rubber outsole comprises the following components in parts by weight: 50 parts of natural rubber, 30 parts of cis-1,4-polybutadiene rubber, 20 parts of butadiene-acrylonitrile rubber, 45 parts of white carbon black, 15 parts of white oil, 10 parts of a black color masterbatch, 5 parts of zinc oxide, 2 parts of stearic acid, 2.5 parts of an accelerant, 2 parts of an anti-aging agent, 1 part of an antioxidant, 2 parts of a dispersant, and 4 parts of a wear-resisting agent. An EVA midsole comprises the following components in parts by weight: 35 parts of EVA5110, 25 parts of EVA6110, 20 parts of an elastomer, 10 parts of a filler, 10 parts of a flax fiber, 3 parts of a foaming agent, 0.6 part of a bridging agent, 1 part of a zinc-oxide powder, 0.5 part of zinc stearate, 2 parts of titanium dioxide, 0.8 part of a dispersing agent, and 0.6 part of a flowing agent. The sole not only has quite high tearing strength, but also is soft, portable and comfortable and keeps high elasticity when the sloe is worn.

The invention relates to a towel, in particular to a bamboo fiber flax towel and a production method thereof, which belong to the technical field of weaving. The bamboo fiber flax towel comprises a substrate later and terry layers, wherein the terry layers cover two surfaces of the substrate layer. The bamboo fiber flax towel is characterized in that the terry layers are made of bamboo fiber yarns; and the substrate layer is formed by taking flax fiber yarns as warp and/or weft. The bamboo fiber flax towel has the advantages of softness, comfort, antibacterium and bacteriostatic functions, durability and shrinking resistance as well as the characteristics of wear resistance and high strength.

The invention discloses a flax thick yarn supercritical CO2 biological enzyme scouring device and a scouring method thereof. Flax thick yarn is placed in supercritical CO2 fluid where a biological enzyme scouring agent is dissolved, flax fibers are swollen for 10-30 min at 30-40 DEG C and 8-15 MPa; the flax thick yarn is scoured for 30-60 min under dynamic conditions of a flow velocity of supercritical CO2 at 10-50 g/min at 40-60 DEG C and 15-25 MPa; the flax thick yarn is processed through a scouring-separation combined process for 10-30 min at 40-60 DEG C and 15-25 MPa; after the scouring, the weight loss rate of the flax thick yarn is 6-12%, the residual gum rate is 7-15%, the single fiber breaking strength is 6-13 cN/dtex, and the elongation at break is 4.5-8.5%. The whole scouring process is free of pollution and has zero release, requirements of commercialized production are met, and the modern life idea of fashionable bast fiber spinning and green bast fiber spinning is embodied.

The invention relates to the technical field of textile fabric manufacturing and discloses a sun-proof antibacterial textile fabric. The fabric is formed by interweaving warp and weft in a mutually perpendicular mode, the warp is sun-proof antibacterial fiber blended yarn, the weft is composed of flax fibers and polyvinyl alcohol fibers in the weight ratio of 1:(1-2), the diameter of the warp is 46.5-51.5 micrometers, the diameter of the weft is 43-44.5 micrometers, the density of the warp is 76-79 pieces per centimeter, and the density of the weft is 55-58 pieces per centimeter. The fabric has the advantages that the polyvinyl-acetal-based sun-proof antibacterial fabric is high in strength, good in toughness and excellent in moisture absorption and has the sun-proof, anti-ultraviolet and antibacterial functions, the flax fibers and the polyvinyl alcohol fibers are added so that air permeability and the comfort of the fabric can be enhanced, and the fabric is more suitable for being used in hot environments in summer.