71 results about "Flax basis" patented technology

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 discloses a preparation method and use of sulfydryl flax, which is characterized by comprising: adding 45 to 52 mass percent of thioglycolic acid, 35 to 40 mass percent of tetrahydrofuran, 23 to 30 mass percent of degummed flax, 1 to 1.5 mass percent of glacial acetic acid and 0.15 to 0.3 mass percent of concentrated sulfuric acid into a triangular flask with a plug, stirring and refluxing for 4 to 6 hours at 50 to 60 DEG C, washing with deionized water, filtering under vacuum till the filtrate is neutral, washing with a small amount of ethanol, drying in an oven at 35 DEG C, and obtaining the sulfydryl flax. The sulfydryl flax has high metal ion absorbability, has properties of sulfydryl and can be directly use to absorb and elute various metal ions in water, the absorptionefficiency and speed are high, the physical, chemical and mechanical properties of the sulfydryl flax are high, the sulfydryl flax can be used in a wide pH value range, the high regenerability of thesulfydryl flax, makes the repeated use number of the sulfydryl flax 30 percent higher than that of sulfydryl cotton, the waste from flax title is utilized, cost is saved, and environment pollution isavoided.

The invention provides a flax fiber and tencel fiber blended yarn and a preparation method thereof. The flax fiber and tencel fiber blended yarn comprises 35 to 40 weight percent of flax fiber and 60 to 65 weight percent of tencel fiber, wherein the twist degree of the blended yarn is 21.32 to 23 T/inch; the average strength of the blended yarn is 300 g; and the elongation percentage of the blended yarn is 14.1 percent. The flax fiber and tencel fiber blended yarn combines moisture absorption, perspiration, antibacterial effect and the like of the flax fiber and the healthy environmentally-friendly characteristic of the tencel fiber, has the advantages of natural environmental friendliness, cooling performance and antibacterium, and can be applied to clothing fabrics and other industries.

The invention relates to the technical field of plant variety identification and breeding, in particular to a building method of flax SSR fingerprint chromatography. According to the method, through MISA software, a flax genome is searched for to obtain 28751 SSR sites, Primer 5.0 is used for designing 71184 pairs of primers, and 26 flax genetic resources are used for screening out the 11 pairs ofSSR markers rich in polymorphism: RM4-5, RM4-7, RM6-2, RM6-6, RM6-7, RM7-1, RM7-3, RM8-1, RM9-4, RM13-5 and RM15-1. The SSR primers which are developed based on the flax genome have the advantages ofbeing stable in amplification, clear in electrophoretic band, rich in polymorphism and the like, and the building method of the flax SSR fingerprint chromatography can be effectively used for the study fields of flax genetic resource genetic diversity analysis, high-density chromatography building, variety purity and authenticity identification, molecular marker-assisted breeding and the like.

A process for preparing the cerebroside compounds including beta-daucosterin from the root of flax includes such steps as extracting separation and recrystallizing.

The invention discloses naturally-degraded disposable tableware and a manufacturing method thereof. The naturally-degraded disposable tableware comprises a tableware body and an inner film coating the inner surface of the tableware body; the tableware body comprises raw materials including, by weight, 30-40 parts of cassava starch, 15-20 parts of rice shells, 25-30 parts of walnut shells, 25-30 parts of linen fibers, 10-15 parts of ramine fibers, 20-30 parts of polyving akohol, 10-12 parts of medical stone powder, 20-25 parts of edible gum, 8-12 parts of tripolycyanamide formaldehyde resin powder, 10-12 parts of stearic acid, 0.2-0.3 part of cactus, 0.2-0.3 part of cinnamon, 0.3-0.5 part of konjak, 0.1-0.2 part of fresh ginger and 0.1-0.2 part of bamboo leaves; and the inner film is made of UV light-cured resin. The manufactured naturally-degraded disposable tableware has the beneficial effects that the tableware is high in strength, non-toxic, free of pollution, low in cost and easy to manufacture, the raw materials are easily obtained, and degradation is easily carried out after the naturally-degraded disposable tableware is used.

The invention belongs to the technical field of rape molecular breeding, in particular relates to a preparation method of a codominant SNP (Single Nucleotide Polymorphism) molecular marker closely linked with the linolenic acid content of a cabbage type rape and application thereof as the marker in the auxiliary selection of the low linolenic acid cabbage type rape. The low linolenic acid cabbage type rape strain A254 and high linolenic acid cabbage type rape strain A177 genomes DNA are amplified by using primers to respectively obtain two DNA amplified fragments, then cloning, sequencing and nucleotide sequences comparison are carried out on the four DNA amplified fragments; according to the difference of the sequences, the second bases at 3'-end of a forward primer and a reverse primer are mispaired, primer pairs of YQ-fad31-1, YQ-fad31-2, YQ-fad32-1 and YQ-fad32-2 are designed, the PCR (Polymerase Chain Reaction) amplification is carried out on the primer pairs of YQ-fad31-1, YQ-fad31-2, YQ-fad32-1 and YQ-fad32-2, and the PCR amplification and group detection effects are analyzed to obtain the codominant SNP molecular marker linked with low linolenic acid genes of the cabbage type rape. The invention provides a new marker for the rape molecular breeding. In the invention, a mispairing strategy of the 3'-end of the primer is firstly applied to the development and the detection of the SNP polymorphic marker of the cabbage type rape, and a means of synchronously mispairing the forward primer and the reverse primer is firstly adopted to develop the SNP marker based on the PCR amplification and an agarose gel electrophoresis in the cabbage type rape of an allopolyploid crop. The invention synchronously discloses a method for preparing the molecular marker and the application thereof.

The invention discloses a preparation method of fiber and flax blended yarn. The weight content of the flax fiber is 45-75%, and the rest is elastic polyester fiber. The preparation includes: pretreatment, cleaning, carding, drawing and roving , degumming, bleaching, pickling, washing and spinning. The production method provided by the invention can prepare the elastic polyester fiber and flax fiber blended yarn with hygroscopicity, lightness, glossiness, air permeability, antibacterial property and anti-mite property. The blended yarn of elastic polyester fiber and flax fiber of the present invention has high spinnability and good elasticity, and the cloth woven with it is soft, comfortable, breathable, sweat-absorbing, antibacterial and elastic, and has a novel and fashionable appearance. The invention blends elastic polyester and flax fiber, which can make up for the low elasticity of the hemp fiber, and makes the fabric feel comfortable and elastic, and can improve the style and feel of the blended yarn.

The invention discloses a disease-resistant fertilizer, which is characterized by the following: setting the rate of cupric nitrate, zinc nitrate and notoginseng escin at 1:5:0.1-0.5; protecting plant from powdery mildew, late blight, downy mildew, macrophyric disease and aphid without pollution or toxicity; providing nourishment and microelement for crop; accelerating the growth of crop; improving crop quality.

The invention discloses a method to extract flax glue from flax seed shell, which comprises the following steps: (1) cleaning raw material; de-stoning; (2) separating seed peel; (3) proceeding shell gumming; (4) separating the glue and peel shell slag; (5) condensing; (6) sprayed-drying. This invention can keep the getting ratio and quality of the flax seed, which possesses advanced craft, low cost and high quality.

A jute/linen/cotton blended yarn comprises three types of fiber of jute, linen and cotton and is characterized in that the weight of the linen fiber accounts for 10-40 percent by weight of the total weight of the jute, the linen and the cotton fiber. The fineness difference between the linen fiber and the jute fiber and the fineness difference between the linen fiber and the cotton fiber are both small. When being blended, the linen fiber of the blended yarn can be cohered with the jute fiber and can also be cohered with the cotton fiber, thereby enhancing the cohesion among different types of fiber; and the spun blended yarn has better breaking strength. The invention discloses the content range of the added linen fiber which can lead the breaking strength of the yarn to be more satisfactory during the blending of the jute fiber/cotton fiber with different weight percentages.

The invention relates to a method for mutagenizing flax seeds and screening salt-tolerance mutants. The method comprises the steps that firstly, 0.2-0.8 wt% of an ethylmethane sulfonate solution is used for carrying out steeping mutagenizing treatment on flax seeds, treatment is carried out for 4-16 h at the room temperature, and the mutagenized flax seeds are obtained; secondly, the mutagenized flax seeds are sown in a pot filled with gravel, culture is carried out under normal illumination and at the room temperature, a PNS nutrient solution with the concentration of NaCl ranging from 50 mmol/L to 200 mmol/L is used for irrigation everyday, and the growth condition is observed for two continuous weeks; finally, plants in a good growth state are screened-out M1 generation salt-tolerance plants. The method for culturing and screening the salt-tolerance mutants is beneficial to obtaining new salt-tolerance varieties in a later stage; a gravel culture method is adopted, the PNS nutrient solution with different concentrations of NaCl is poured regularly, and convenience is provided for subsequent result analysis; the method of ethylmethane sulfonate mutagenizing and the method of oriented screening of salt-tolerance mutant plants are combined, use is convenient, and the screening efficiency is high.

The invention relates to chenopodium quinoa willd half-dried noodles with high lysine content. The chenopodium quinoa willd half-dried noodles are made from the following raw materials in percentage by weight: 20-30% of chenopodium quinoa willd flour, 5-15% of dietary flax fiber flour and 55-75% of high-gluten wheat flour. The chenopodium quinoa willd half-dried noodles disclosed by the invention have the advantages of being simple in technology, free from food additives and high in lysine content.

The invention discloses a preparation method of a fiber composite material for signal cables, which is characterized by comprising the following steps: (1) preparing polyvinyl chloride (PVC) resin fibers; (2) preparing flax fibers, immersing the prepared flax mixed fibers in a 2% sodium hydroxide solution for 1-2 hours, cleaning with clear water, treating in an acid bath for dealkalization, cleaning with deionized water until the cleaning solution is neutral, finally putting in a baking oven, and baking at 100-120 DEG C for 0.5-1 hour for later use; (3) preparing a fixing solution; and (4) by using the prepared PVC fibers as a base film, fixing the prepared flax fibers to the PVC fibers by using the prepared fixing solution, putting in a baking oven, baking at 100-120 DEG C for 0.5-1 hour, and naturally cooling to obtain the fiber composite material for signal cables. The invention also discloses a product prepared by the method.