22results about How to "Reduce the smell" patented technology

The embodiment of the invention discloses application of carnosine, the carnosine can be used for relieving the smell of a composition containing ergothioneine, on the basis, the invention further provides the composition containing ergothioneine and application, and the composition containing ergothioneine comprises ergothioneine, carnosine and water.

The invention discloses a pyriproxyfen microcapsule suspending agent. The pyriproxyfen microcapsule suspending agent is prepared from the following raw materials in percentage by weight: 8 to 12 percent of pyriproxyfen, 1 to 3 percent of isocyanate, 0.1 to 0.5 percent of polyamine and the balance of deionized water. Compared with the traditional dosage form, the pyriproxyfen microcapsule suspending agent has the advantages that the toxicity of aquatic organisms can be obviously reduced; the field dosage can be greatly reduced, the environmental pollution and pesticide residues are effectively reduced, and the production and use cost is reduced; the dosage form of the microcapsule suspending agent accords with the trend of future agricultural environmental protection development; the smell can be reduced, the pesticide effect is improved, and the lasting period is prolonged.

The application discloses a kind of polypropylene composite material and preparation method thereof, polypropylene composite material includes 65-90 weight parts polypropylene and 5-20 weight parts CaCO3 Whisker slurry;Polypropylene includes one or more of copolymerization polypropylene and homopolymerization polypropylene;CaCO3 Whisker slurry includes the following preparation steps: in CaCl2 aqueous solution, MgCl2 is added, stirring, CO2 gas is introduced, carbonization reaction, stirring again, mineralization is placed, and CaCO3 whisker mixture is prepared;Dopamine hydrochloride is added in CaCO3 whisker mixture, stirring, PH value is adjusted, oxygen is introduced, and oxidation polymerization reaction is carried out, and surface modified CaCO3 whisker is prepared by filtering, washing;Deionized water and anhydrous ethanol are added, stirring again, and CaCO3 whisker slurry is prepared;The polypropylene composite material of the application can greatly reduce the VOC content in material, and the smell of material is reduced.

The invention provides a de-muttony cooked mutton and a de-muttony treatment process, the de-muttony treatment process of the cooked mutton comprises mutton pretreatment, soaking and rinsing treatment, boiling treatment and freezing and unfreezing treatment, and the cooked mutton blocks rinsed by soaking liquid and boiled by boiling liquid have the advantages that the mutton blocks can be frozen and unfrozen; a treatment mode of combining an ultra-fast freezing mode and a 4 DEG C refrigerator slow unfreezing mode is selected, so that the mutton smell of the cured mutton is reduced to the maximum extent. Meanwhile, the optimal de-odoring process of the cured mutton is determined by research as follows: the pH value of a soaking solution is 8.79, the pH value of a cooking solution is 8.49, and the soaking time is 7.8 hours. The concentrations of five key mutton smell substances before and after freezing and thawing of the cooked mutton prepared by the optimal mutton smell removal process are reduced compared with those of the original process, the mutton smell and fat taste are both lower than those of the original process, the meat flavor and nut taste are also remarkably improved, and the overall flavor of the cooked mutton is improved.

The invention discloses a wine boiling and cooking method, a steamer is adopted for cooking, the steamer comprises a steamer body and a breathable interlayer arranged on the steamer body, and the wine boiling and cooking method comprises the following steps that spirit is added into the steamer body, and the spirit is heated and boiled; adding food materials to the breathable interlayer, and steaming the food materials; and the steam generated by boiling the wine is ignited to cook the food materials. By combining three cooking modes of wine boiling, food steaming and barbecuing, on the basis of ensuring the original taste and flavor of food materials, the food materials have the mouth feel of being scorched outside and tender inside, the unique wine aroma sweet taste and the scorched flavor of barbecuing, peculiar smells such as fishy smell and goaty smell of the food materials can be removed, and the mouth feel and flavor levels of the food materials are enriched; and the operation is simple, food safety and diner health can be ensured, brand new visual impact and physical and mental experience are brought to diners, and the diners can enjoy the scene and pleasure to eat and obtain visual, gustatory and mental enjoyment.

A preparation method of a new type of environment-friendly natural latex product. The method comprises the following steps: S1, preparation of a sodium salt solution of shellac resin; S2, adding potassium pyrophosphate, potassium oleate, potassium ricinoleate and sulfur dispersion into natural latex, and stirring and aging to obtain a mixture A; S3, adding calcium salt aggregates of shellac resin and a rubber deodorant into the mixture A, stirring uniformly, immediately transferring the mixed glue liquid into a foaming machine to perform foaming, injecting zinc oxide dispersion and sodium fluosilicate dispersion during the foaming process, and injecting the foamed latex mixture into a pillow mold to enter a steaming oven for vulcanization; and S4, washing and vacuum drying the semi-finished product of the latex product, and completing the production. The method is convenient to process and reliable in environmental protection.

The invention relates to a method for ultrasonic-assisted low-temperature rinsing of mutton, which comprises the following steps: placing pretreated mutton in an ultrasonic cleaning machine, performing ultrasonic-assisted low-temperature rinsing under preset ultrasonic frequency, ultrasonic power and treatment time, and performing post-treatment after rinsing to obtain mutton with mutton smell removed. The method solves the problems that traditional water-washing mutton smell removal is not completely effective, spice covering may bring odor and taste which do not belong to mutton itself, and time and labor are consumed in mutton smell removal through feed feeding, ultrasonic waves are utilized to assist low temperature rinsing of mutton, mutton smell substances can be efficiently and safely removed in an environment-friendly mode on the premise that the mutton quality is maintained, and the mutton smell removal efficiency is improved. The nutrition loss is reduced to the greatest extent, and the mouth feel and flavor of the mutton ground are improved.

The invention discloses a scratch-resistant automotive rubber-coated PC / ABS soft skin composite material and a preparation method thereof. The scratch-resistant automotive rubber-coated PC / ABS soft skin composite material comprises the following raw materials in parts by weight: 10-30 parts of hydrogenated styrene elastomer; 10 to 30 parts of a semi-hydrogenated styrene elastomer; 20 to 50 parts of a polyurethane elastomer; 20-50 parts of a plasticizer; 2 to 20 parts of a maleic anhydride graft; 1-5 parts of a scratch resistant agent; and 0.5-5 parts of an anti-oxidation and anti-ultraviolet auxiliary agent. The scratch-resistant rubber-coated PC / ABS soft skin composite material for the vehicle is prepared by a twin-screw composite modification process, has excellent scratch resistance, small cross scratch color difference and unobvious fingernail scratch marks, and is superior to common elastomer materials in the market; according to the scratch-resistant rubber-coated PC / ABS soft skin composite material for the vehicle, the production process is double-color injection molding integral forming, compared with a traditional coating process, the production steps are greatly simplified, and the forming period is shortened to 40-80 s from original 5-20 min.

The invention provides a northern Shaanxi flavor mutton prefabricated dish and a processing method thereof. The processing method comprises the following specific steps: cutting mutton, cleaning, and draining for later use; seasoning and a composite non-phosphorus water-retaining agent are added into water, boiling is conducted, then decoction continues to be conducted with soft fire, filtering is conducted, filtrate is obtained, the filtrate is concentrated, seasoning liquid containing the composite natural water-retaining agent is obtained, and the composite non-phosphorus water-retaining agent is elm bark glue and konjac glucomannan; putting the mutton into the seasoning liquid, and treating the mutton by adopting an ultrasonic-vacuum tumbling, pickling and tenderizing technology to obtain the pickled and tenderized mutton; and putting the pickled and tenderized mutton into a boiling bag, vacuumizing, sealing, sterilizing at high temperature, and cooling under back pressure to obtain the northern Shaanxi flavored mutton premade dish. According to the invention, the composite phosphorus-free water-retaining agent is added into the seasoning liquid, and an ultrasonic-vacuum rolling and kneading combined pickling and tenderizing technology and a high-temperature sterilization technology are adopted, so that the quality and yield of the prefabricated mutton are effectively improved, and the problems of low yield, poor preservation performance, short shelf life and the like of the product are solved.

The invention relates to the technical field of food processing, in particular to a composite plant additive for barbecue. The invention discloses a composite plant additive for barbecue, the composite plant additive comprises at least two of a tea extract, a chrysanthemum extract and a lemon extract, and the tea extract comprises at least one of a black tea extract, a green tea extract, an oolong tea extract and a white tea extract. The composite plant additive disclosed by the invention comprises the green tea extract, the chrysanthemum extract and the hawthorn extract, so that the content of heterocyclic amine can be effectively reduced; particularly, when the barbecue meat product is mutton, spices are spread after the mutton is roasted to 90% cooked or roasted for 20 minutes at 220 DEG C, the roasted mutton has slight scorch aroma on the surface, the meat inside is fresh, tender and juicy and has rich taste levels, and spices such as cumin and chili are added, so that the mutton smell of the mutton is removed, and unique fragrance and peppery taste are added; the taste of the roasted mutton is more distinct.

The invention belongs to the technical field of preservation and fresh keeping of low-temperature food, and particularly relates to a fresh keeping method of tilapia mossambica. Specifically, according to the preservation method of the tilapia mossambica provided by the invention, the tilapia mossambica is treated by adopting an ascorbic acid solution with the mass concentration of 0.5-1.5% and is stored at ice temperature. Under the condition that no chemical preservative is added, an existing ice-temperature tilapia storage technology is improved, ascorbic acid is added to reduce the growth speed of putrefying bacteria, and the shelf life of the tilapia stored at the ice temperature is prolonged.

The invention relates to a mutton smell removing agent, mutton smell-free quick-frozen fresh sheep blood and a preparation method thereof, and relates to the technical field of quick-frozen fresh sheep blood, the mutton smell removing agent comprises the following components by weight: 0.1%-0.5% of modified soybean phospholipid, 1%-5% of glucose, 0.01%-0.05% of sodium carbonate, 0.1%-0.3% of a rosemary extract, 1%-5% of sodium erythorbate, 0.1%-0.5% of guar gum, and the balance of water. 0.01%-0.06% of ethyl maltol and 1%-5% of spice juice; and 83%-97% of water. The mutton smell removing agent provided by the invention can be applied to preparation of quick-frozen fresh sheep blood, can effectively remove the mutton smell of the sheep blood in a low-temperature state, ensures the palatability of the sheep blood, not only can effectively remove the mutton smell, but also can maintain the nutritional ingredients and taste of the sheep blood, and makes up for the defects in the prior art.

The utility model discloses a device for reducing smell and reducing VOC of automobile interior composite fabric relates to the field of automobile interior material deodorization, including solvent mixing subassembly, drying -house system, hot -blast conveying system and air intake system, the composite fabric of smell reduction and VOC reduction is located in drying -house system, solvent mixing subassembly will be mixed solvent delivery to drying -house system, and spray to the composite fabric, hot -blast conveying system will hot blast delivery to drying -house system and dry the composite fabric, air intake system will the gas in drying -house system inhale. The utility model can be lower cost, fast, efficient reduction composite fabric's smell and VOC, avoid other environmental problems simultaneously, and the operation is also very convenient.

The invention belongs to the technical field of anti-rust oil, and discloses silicon steel anti-rust oil and a preparation method thereof. The silicon steel anti-rust oil comprises the following raw materials in parts by weight: 72-80 parts of base oil, 15-25 parts of an anti-rust agent, 0.5-2 parts of a surfactant and 0.1-1 part of an antioxidant, the antirust agent comprises petroleum calcium sulfonate and petroleum sodium sulfonate, and the weight ratio of the petroleum calcium sulfonate to the petroleum sodium sulfonate is (1-2): 1. Specific anti-rust agent composition is provided in an anti-rust oil system, so that a relatively strong physical adsorption effect is formed on the surface of silicon steel, the anti-rust performance on the silicon steel is well ensured, and meanwhile, the anti-rust oil has the characteristics of low odor, environmental protection and the like, and can be industrially popularized and applied in the field of silicon steel rust prevention.

The application discloses a full-life-cycle low-emission polypropylene composite material and a preparation method and application thereof. The full-life-cycle low-emission polypropylene composite material comprises the following components in percentage by mass: polypropylene: 65-75%; polyolefin elastomer: 5-15%; inorganic filler: 15-25%; reactive trapping agent containing an oxazoline functional group: 0.1-0.5%; and other auxiliaries: 0.5-5%. The full-life-cycle low-emission polypropylene composite material can keep ultra-low VOC emission and odor in the full life cycle, has excellent mechanical properties, is simple in preparation process, low in production cost, green and environment-friendly, and is suitable for being used for preparing automobile interior parts, household appliances, medical and health equipment and other products with high requirements on VOC emission and odor.

The present application relates to the technical field of waterborne polyurethane materials, and particularly relates to a low VOC waterborne PU foam pad and a preparation method thereof. The foam pad is formed by foaming and curing of a waterborne polyurethane dispersion, and two types of aldehyde-trapping sites are simultaneously introduced into the same porous framework, i.e. an amidoxime group formed by post-conversion of a nitrile group precursor by hydroxylamine, and an aminooxy group obtained by coupling and deprotection of T-BOC-aminooxy-diglycol-amino through a carboxyl anchoring site under an EDC and NHS activation system; and a water-dispersible blocked polyisocyanate crosslinking agent is used to form a crosslinking network by pyrolytic deblocking, so as to achieve rapid capture and durable retention of aldehydes such as formaldehyde and acetaldehyde under water washing and humid heat conditions, and simultaneously help to reduce VOC emission of the material.

The invention belongs to the field of materials, and particularly relates to a preparation method of a low-odor spraying-free reinforced polypropylene composite material, which comprises the following steps: (1) premixing: adding polypropylene, polytetrafluoroethylene and a catalytic adsorbent into a mixer for dry mixing, and screening out the catalytic adsorbent to obtain a first premix; adding an auxiliary agent and a catalytic adsorbent into the mixer for dry mixing, and sieving the catalytic adsorbent to obtain a second premix; adding the anti-rust pigment into the first premix, mixing, adding the second premix, and continuously mixing to obtain a mixed material; (2) granulating: adding the mixed material and a catalytic adsorbent into an extruder, melting, filtering, extruding and granulating to obtain spray-free reinforced polypropylene composite material particles; and (3) degassing: spraying an extracting agent on the surfaces of the particles, then placing the particles on a deodorizing filter plate for standing, and finally drying the particles to obtain the low-odor spraying-free reinforced polypropylene composite material. The odor is reduced by adopting a multi-time odor removal mode.

The invention discloses silicon-based solvent-free polyurethane composite artificial leather and a preparation method thereof.The composite artificial leather comprises a surface layer, a middle layer, a bonding layer and a base cloth layer from top to bottom, and the surface layer is prepared by coating release paper with surface layer slurry and drying the release paper; the surface layer slurry comprises water-based resin containing carboxyl siloxane polyurethane resin copolymer, and the preparation method comprises the following steps: carrying out polymerization reaction on hydroxyl polyether-terminated dihydroxyl polydimethylsiloxane, carboxylic acid with double hydroxyl groups and diisocyanate, adding inorganic alkali to obtain carboxyl siloxane polyurethane resin copolymer water dispersion liquid, and adding the water-based resin containing carboxyl siloxane polyurethane resin copolymer into the water-based resin containing carboxyl siloxane polyurethane resin copolymer to obtain the water-based resin containing carboxyl siloxane polyurethane resin copolymer. Adding the mixture into waterborne polyurethane resin; the molecular formula of the hydroxyl polyether-terminated dihydroxyl polydimethylsiloxane is H-O-R-[Si (CH3) 2O] m-R-O-H, m is a positive integer from 25 to 95, R represents a polyether chain segment with the following structure:-O-(C2H4O) p-(C3H6O) q-, p and q are integers from 0 to 15, and p + q is greater than or equal to 1 and less than or equal to 15. The composite artificial leather disclosed by the invention is easy to clean and care, super soft, glossy and transparent, low in odor and VOC (Volatile Organic Compounds) and good in wear resistance.

Provided is a photo-curable inkjet printing ink composition, comprising (A) an acrylicated amine compound having two photopolymerizable functional groups and two amino groups in a molecule, (B) a (meth)acrylic monomer having an alkoxy group, and (C) at least one selected from the group consisting of hexanediol acrylate, 3-methyl-1,5-pentanediol diacrylate, dipropylene glycol diacrylate, and neopentyl glycol diacrylate hydroxypivalate, wherein a content of the component (A) is 3 to 18% by mass in the ink composition, wherein a content of the component (B) is 5 to 35% by mass in the ink composition, and wherein a content of the component (C) is 30 to 60% by mass in the ink composition.

The invention relates to the technical field of automobile roof systems, and particularly discloses a dry process automobile interior ceiling base material and a preparation method thereof. A dry process automotive interior ceiling base material comprises a base layer and a reinforcing layer, and the base layer and the reinforcing layer are both of a multi-layer structure. A skylight reinforcing frame is arranged on the base layer, and the reinforcing layer is arranged in the base layer between the boundary of the end, close to an automobile head, of the skylight reinforcing frame and the boundary of the end, close to the automobile head, of the base material. The automobile interior ceiling base material prepared by the dry process is suitable for preparing an automobile ceiling with a skylight structure, has the advantages of light weight and low odor, has enough rigidity and strength for assembling various secondary parts, and meets the modularized supply requirement of the automobile ceiling.

The invention discloses a polypropylene composite material and a preparation method thereof, the polypropylene composite material comprises 65-90 parts by weight of polypropylene and 5-20 parts by weight of CaCO3 whisker slurry; the polypropylene comprises one or more of co-polypropylene and homo-polypropylene; the CaCO3 whisker slurry is prepared by the following steps: adding MgCl2 into a CaCl2 aqueous solution, stirring, introducing CO2 gas, carrying out carbonization reaction, stirring again, standing and mineralizing to prepare a CaCO3 whisker mixed solution; adding dopamine hydrochloride into the CaCO3 whisker mixed solution, stirring, adjusting the pH value, introducing oxygen, carrying out oxidative polymerization reaction, filtering, and washing to obtain surface-modified CaCO3 whiskers; deionized water and absolute ethyl alcohol are added, stirring is conducted again, and CaCO3 crystal whisker slurry is prepared; according to the polypropylene composite material, the VOC content in the material can be greatly reduced, and the odor of the material is reduced.

The invention provides an ethylene propylene diene monomer (EPDM) foaming material with low odor, low VOC emission, low atomization value and high mechanical property as well as a preparation method and application thereof, and belongs to the technical field of high polymer materials. The invention provides an ethylene propylene diene monomer foaming material. The ethylene propylene diene monomer foaming material is prepared from the following raw materials in parts by weight: 100-130 parts of ethylene propylene diene monomer, 4-8 parts of carbon black, 3-7 parts of a hybrid filler of modified wollastonite and carbon nanotubes, 33-43 parts of carclazyte, 15-25 parts of paraffin oil, 10-25 parts of zinc oxide, 0.3-0.8 part of a vulcanizing agent, 0.3-0.8 part of a vulcanizing aid, 0.2-0.8 part of an accelerant, 3.5-4.5 parts of stearic acid and 4.2-5 parts of a foaming agent. By optimizing the components in the formula, the mechanical properties of the EPDM foaming material are improved, the VOC of the product is effectively reduced, and the EPDM foaming material has higher environmental protection performance.