617 results about "Erucic acid" patented technology

The invention discloses electret master batch for melt-blown non-woven fabric for a low-resistance mask and a preparation method of the electret master batch. The electret master batch for the melt-blown non-woven fabric for the low-resistance mask is prepared from the following components in percentage by weight: 65-85% of polypropylene resin; 1-3% of electret powder; 5-15% of a dispersant; 3-10%of a nucleating agent; 3-10% of a softening agent; 0.05%-0.5% of a processing aid; wherein the softening agent is erucyl amide; the polypropylene resin is homo-polypropylene and/or co-polypropylene,and the melt index MFI of the polypropylene resin is 230 DEG C/2.16 kg and is not lower than 1000 g/10 min. According to the electret master batch, the softening agent, the nucleating agent and othercomponents are added, so that when the electret master batch and the ultra-high melt index polypropylene are mixed to be used for producing the melt-blown non-woven fabric for the mask, the obtained melt-blown non-woven fabric for the mask can have low respiratory resistance while having high filtering efficiency, and therefore the electret master batch is particularly suitable for being used as amask material. The formula does not greatly adjust the formula of the existing electret master batch, and is easy to implement.

In one aspect, of the invention provides novel tetraploid Brassica plants having no more than two expressible FAD2 coding sequences, capable of producing canola quality oils. Other aspects of the invention provides new variants of the FAD2 enzyme, comprising BjFAD2-b and BjFAD2-a, as well as nucleic acid sequences encoding such peptides. Other aspects of the invention includes nucleic acid sequences upstream from the BjFAD2-b or BjFAD2-a ORFs. Other aspects of the invention include transgenic plants and plant parts. Vectors capable of transforming plant cells are provided, comprising the nucleic acids of the invention, including FAD2 coding sequences. Corresponding methods are provided for obtaining the transgenic plants of the invention. Methods are provided for using the plants of the invention, including selected plants and transgenic plants, to obtain plant products. Amplification primers for identifying the FAD2 coding sequences of the invention are provided, together with methods of obtaining plants using the FAD2 coding sequences of the invention as markers.

A non metallic (NM) jacket has from about 40% to about 50% by weight of a polyvinyl chloride resin; from about 20% to about 35% by weight of a filler; from about 0.1% to about 0.5% by weight of an unsaturated primary amide derived from erucic acid; from about 20% to about 30% by weight of a phthalate-based plasticizer; and from about 0.5% to about 5% by weight of a lead-free heat-stabilizing system; wherein 100% is the weight of the jacket. Methods for improving the slip characteristics of a lead-free NM jacket for an electrical conductor are also provided.

The invention provides herbaceous plant nutritive water based on an emulsified microcapsule and a preparation method of the herbaceous plant nutritive water. The preparation method comprises the following specific steps: mixing hydrogenated vegetable oil, low erucic acid rapeseed oil , siloxane, microcrystalline wax and diglycerol, heating and uniformly stirring, and performing heat reservation and sterilization to obtain an oil phase; adding ethylene glycol, propylene glycol, glycine betaine, urea, poly-sodium glutamate, triethanolamine, caprylhydroxamic acid and hexylene glycol into deionized water, heating and uniformly stirring, performing heat preservation and sterilization to obtain a water phase; adding the oil phase into the water phase, performing heating, homogenization and low-speed stirring, adding cetyl ethyl hexanoate and stearic acid, then slowly adding PEG-40 hydrogenated castor oil and a microcapsule wall material, cooling, adding tremella, centella asiatica, polygonum cuspidatum, scutellaria baicalensis, tea leaves, glycyrrhiza glabra, female chrysanthemum, rosemary leaves, beer saccharomycete and grape fruit cell extract active components, and adding chondrus crispus extracts, bio-saccharide gum-1, diglycerol, palmitoyl tripeptide-1 and essence for mixing to obtain the herbaceous plant nutritive water based on the emulsified microcapsule.

The invention belongs to the technology field of the cole breeding, in particular to the method of the seed selection of the Brassica napus self incompatible line with low erucidic acid and sulfuric glucoside utilizing microspore culture and SSR marker assistance. The method is characterized in selecting the Brassica napus self incompatible line S-1300 as the female parent and maintenance line 04P63 External-52 as the male parent, crossbreeding and obtaining F1, microspore culture F1 and obtaining double haploid (DH) self incompatible line; further screening and obtaining the DH material of the Brassica napus self incompatible line with low erucidic acid and sulfuric glucoside; analyzing the variation of the self incompatible double haploid (DH) line by using the SSR markers, studying six major traits of the self incompatible double haploid (DH) line including the plant height, the first branch number, the first branch silique number, main inflorescence length, main inflorescence silique number and yield per plant; screening the double-low Brassica napus self incompatible double haploid (DH) line superior to the S-1300 in production, related trait and general combining ability. The seed selection provides an easy, rapid and effective method of the double-low Brassica napus inbred incompatible double haploid (DH) line.

The invention discloses a production method of strong and fragrant rapeseed oil. The production method comprises steps as follows: cleaning, drying, coat removing, seed frying, smoke removing, pressing and low-temperature fine filtration. The production method has the advantages as follows: (1) pressing after coat removal is adopted in the production method, impurities such as a large quantity of pigments, erucic acid and the like in coats are prevented from entering oil, the refining difficulty is reduced, and the oil quality is improved; (2) crude rapeseed oil is refined through normal-temperature filtration, hydration degumming, vacuum drying and the like are omitted, energy consumption is reduced, the yield is increased, and damage to fragrant substances in the rapeseed oil is reduced; (3) compared with the prior art, the method is simple in process and easy to operate.

This invention relates to seeds of plant, plants themselves and cells of such plants which comprise a heterologous gene coding for a plant (such as nasturtium (Tropaeolum majus) or Crambe abyssinica) fatty acid elongase (FAE) gene or allelic variant thereof, or combinations of one or both of these FAE genes with an Arabidopsis fatty acid elongase 1 (FAE1) gene, in co-transformation, in reading frame alignment with a promoter capable of increasing expression of said gene(s), when said transformed plant cell is in a seed, said plant cell or seed being capable of producing an increase in proportion of a very long chain monounsaturated or saturated fatty acids when compared with the proportions of said fatty acids in a control plant cell or seed lacking said heterologous FAE gene or genes. The invention also relates to combinations of these fatty acid elongase genes by traditional crossing, sufficient to increase the proportion of very long chain monounsaturated or saturated fatty acids in the seed oil of the progeny compared to the proportion of said fatty acids in either of the parental lines.

The invention discloses a breeding method for a new cabbage type rape line, and belongs to the field of a plant new variety breeding method. According to the breeding method disclosed by the invention, a cabbage type rape line is synthesized by interspecific hybridization of cabbages and Chinese cabbages, and the synthesized cabbage type rape line is subjected to quality genetic improvement of economical characters, erucic acid and glucosinolate so as to breed one new ornamental rape line with a bran-new petal color and a bran-new stalk color; the new cabbage type rape line meets both requirements for ornamental value and oil use, and brings greater economic benefits and social benefits for rape production and the tour and sightseeing industry.

The invention discloses a preparation method of a water-based aluminum pigment for external wall heat insulation. The method comprise the steps of feeding raw materials including spherical aluminum powder, a grinding medium, an environment-friendly solvent oil, oleic acid or erucic acid, a passivant, and a titanate coupler into a ball mill; sealing the ball mill, performing ball milling and discharging the raw materials with the environment-friendly solvent oil; conveying the materials into a vibration screen through a pipeline to be screened, removing screen tailings, and putting the materials into a frame filter press to conduct filter pressing, so as to obtain filter cakes with a solid content of 80 percent; and putting the filter cakes, an alcohol or ether solvent with good water miscibility and low molecular weight polyvinyl alcohol together into a reaction kettle, keeping the temperature, discharging the materials, putting the materials into the frame filter press to conduct filter pressing, and performing solid liquid separation so as to obtain a finished product. According to the method, the environment-friendly solvent is adopted to meet national environmental requirements. The aluminum pigment prepared through the method has good water resistance, acid resistance and alkali resistance of the aluminum pigment are achieved, the environmental innocuousness and the service life of the aluminum pigment as a wall insulating coating are improved, and the aluminum pigment is easy to disperse in a paint.

The invention relates to nutritional compound oil with an anti-oxidation function. The nutritional compound oil consists of four or more of the following raw materials in parts by weight: 15-35 parts of soybean oil, 2-10 parts of corn oil, 2-5 parts of high-oleic acid sunflower seed oil, 50-65 parts of low-erucic acid rapeseed oil, 2-8 parts of coconut oil, 1-5 parts of linseed oil, 1-5 parts of walnut oil and 1-3 parts of black sesame oil; meanwhile, 0.01-0.02 part of L-ascorbyl palmitate and/or 0.03-0.05 part of vitamin E are added. According to the nutritional compound oil provided by the invention, by compounding multiple kinds of edible oil, the requirements of infants for the nutritional substances such as polyunsaturated fatty acids and vitamins are met, the nutrients are widely available, the processing process is simple, the production cost is low, the nutritional compound oil is convenient to eat, the content of trans-fatty acid components is low, and the fatty acids of omega-3 system and omega-6 system at a reasonable proportion are absorbed by a human body in a balanced manner.

Monovinylarene-conjugated diene copolymer compositions that comprise at least one erucamide and at least one stearamide or behenamide exhibit reduced blocking.

The present invention is one kind of high yield rape cultivating technology in Northern arean of China. The high yield rape cultivating technology includes: completing leveling land, fertilizing and ridge formation before winter; timely seeding; thinning out seedling; loosening soil and field management, preventing and killing aphid with pesticide; and timely harvest, drying in the air and threshing. The present invention adopts rape variety introduced from Canadan and with the characteristics of low sinapic acid and thioglycoside content. The rape has long blooming period and is excellent honey source plant.

The invention belongs to the field of biotechnology and discloses a method which utilizes the improved RNA interference technology and the genetic engineering measure to carry out interference silence simultaneously to the gene expression of two metabolic pathways (1) and (2) in which the oleic acid is converted into other fatty acid, prevents the oleic acid from being converted into the fatty acids of other types to the most extent and achieves the object of greatly improving the content of the oleic acid and greatly reducing the content of the erucic acid. The embodiment connects the interference fragment of the FAD2 gene on the desaturation pathway (1) and the interference fragment of the FAE1 gene on the chain extension pathway (2) into a syncretized interference fragment and establishes the corresponding interference carrier according to the syncretized interference fragment. By the mediation of agrobacterium LAB4404, the brassica napus is converted, thus obtaining the brassica napus strains which can inherit stably, wherein the oleic acid content of the brassica napus strain is more than 80% and the erucic acid content thereof can not be detected.

The invention discloses a method of improved artificially synthesized Brassica napa L. for heterosis utilization, belonging to the technical field of breeding plant novel varieties. The method comprises the following steps: transferring the excellent oil economical characters (the content of thioglycoside in seed cake dregs is lower than 30 mu mol/g, and the content of erucic acid in seeds is lower than 1% of double-low Brassica napa L.) of the double-low Brassica napa L. to wild cabbage; culturing a novel oil wild cabbage material, hybridizing the material with a double-low Brassica campestris variety to obtain the artificially synthesized Brassica napa L. with normal fecundity, wherein, the content of thioglycoside in seed cake dregs is lower than 30 mu mol/g, the content of erucic acidin seeds is lower than 1%, and the superior combination prepared by the artificially synthesized Brassica napa L. and the natural Brassica napa L. is screened. In the invention, the good genes of Brassica napa L. are transferred to wild cabbage to culture oil wild cabbage material which is for overcoming the disadvantages of low quality and low fecundity of the existing artificially synthesized Brassica napa L., thereby improving the potential of artificially synthesized Brassica napa L. for heterosis utilization.

The invention relates to a nutrient blend oil which is characterized in that the blend oil is composed by weight percentage of 52-54 percent of corn oil and 46-48 percent of rapeseed oil of low erucic acid; the best proportion of the blend oil is 53 percent of corn oil and 47 percent of rapeseed oil of low erucic acid, and the ratio of saturated fatty acids: monounsaturated fatty acids: polyunsaturated fatty acids is 11.5:43.4:42.5 which is close to 0.27:1:1, thus the ratio is close to the reasonable fatty acid ratio of vegetable oil recommended by specialists of Chinese Nutrition Society. The varieties and the arrangement of the unsaturated fatty acids in the blend oil are reasonable, which has the advantages of being beneficial to the health of cardiovascular, reducing serum cholesterol, facilitating ventricular and cerebrovascular circulation and preventing the forming of cerebral thrombosis, and has simple proportioning that only two types of ordinary vegetable oils being mixed can achieve reasonable fatty acid proportioning, reasonable cost, good quality and competitive price and being suitable for mass consumers.

The present invention discloses a breeding method for pod dehiscence-resistant cytoplasmic sterile line and pod dehiscence-resistant cytoplasmic maintainer line of brassica napus, and belongs to a cultivation method for a new crop variety. With the method provided by the present invention, the detection method for pod dehiscence resistance of the rape is improved; the pod dehiscence-resistant germplasm resource is screened; the screened pod dehiscence-resistant line H155 and the cytoplasmic sterile line 077A are subjected to hybridization, and continuous 8 backcrosses to breed the cytoplasmic sterile line H155A, wherein the sterility rate of the H155A is 100%. According to the present invention, the H155A has characteristics of micro pollen at the low temperature, complete sterility at the high temperature, good agronomic characteristics, cold resistance, viral disease resistance and sclerotium disease resistance. The erucic acid content and the glucosinolate content in the H155A is consistent with the erucic acid content and the glucosinolate content in the cytoplasmic maintainer line of the H155A. The pod dehiscence-resistant cytoplasmic sterile line and the pod dehiscence-resistant cytoplasmic maintainer line of the brassica napus establish the foundation for breeding the domestic pod dehiscence-resistant cytoplasmic sterile line hybrids.

The invention relates to a rust proofing packaging film, in particular to a gas phase rust proofing industrial composite packaging film and a preparation method thereof. The gas phase rust proofing industrial composite packaging film comprises the compositions by weight proportion: 0 to 0.53 of drewamine, 0.12 to 0.42 of cyclohexane, 0.13 to 0.4 of dicyclohexylamine, 0.09 to 0.28 of phenylformic acid, 0.22 to 0.55 of tert-Butyl benzoic acid, 0 to 0.12 of cinnamylate, 29.5 to 45.1 of low density polyethylente, 29.5 to 45.1 of linear low density polyethylene, 0 to 0.02 of oleamide or erucyl amide and 0 to 0.12 of a diffusing impurity EB-FF. The gas phase rust proofing film has good barrier property and high intensity, saves cost, is nonpoisonous and harmless, prevents the pollution, and can be reused. The preparation method is simple and convenient, the process is easy to control and the production cost is low.

The invention discloses waterborne cutting liquid suitable for various metals. The cutting liquid is characterized by being prepared from the following raw materials in parts by weight: 1-2 parts of erucic acid, 5-7 parts of white oil, 4-6 parts of dodecyl dimethyl betaine, 2-3 parts of magnesium stearate, 3-4 parts of polyethylene glycol, 2-3 parts of sodium alginate, 0.7-1.5 parts of paraphthaloyl chloride, 4-6 parts of dibutyl phosphate, 5-7 parts of an assistant and 200 parts of de-ionized water. The cutting liquid has good wear resistance, dispersity, lubricity and film-forming property due to the addition of the assistant; a layer of protection film can be formed on the metal surface to prevent the metal surface from being corroded by air; a surfactant used in the lubricating cutting liquid has excellent lubricating, cleaning and anti-rust performances; after processing, the surface smoothness of a workpiece is improved and the wear of a cutter is reduced; the cutting liquid is suitable for processing the various metals.

The invention discloses thermoplastic modified polyvinyl alcohol resin. The thermoplastic modified polyvinyl alcohol resin comprises vinyl-modified polyvinyl alcohol, a plasticizer, soft water and a processing auxiliary agent. The vinyl-modified polyvinyl alcohol is obtained by copolymerization of a vinyl acetate monomer and an unsaturated monomer containing vinyl and then alcoholysis and has an alcoholysis degree of 80.0-99.9(mol)%, a polymerization degree of 1000-3000 and a vinyl-containing unsaturated monomer modification amount of 0.1-20(mol)%. The plasticizer is at least one of glycerol, polyethylene glycol and triethylene glycol di-2-ethylhexoate. The processing auxiliary agent is at least one of talcum powder, silica, erucyl amide and saturated aliphatic dicarboxylic acid ester. The thermoplastic vinyl-modified polyvinyl alcohol resin has a melting temperature of 160-220 DEG C and a decomposition temperature of 320 DEG C or more, is colorless and transparent, does not produce yellowing and has excellent quality.