34 results about "Propionate" patented technology

The invention discloses piggy creep feed containing composite flavone. The piggy creep feed is prepared from the following raw materials in parts by weight: 13 to 20 parts of expanded corn, 10 to 25 parts of corn, 6 to 13 parts of broken rice, 8 to 12 parts of flour, 8 to 15 parts of whey mist, 3 to 8 parts of soy protein concentrate, 5 to 10 parts of extruded soybean, 0.7 to 3 parts of soya-bean oil, 7 to 12 parts of 46.5-percent bean pulp, 2 to 5 parts of fish meal, 2 to 5 parts of plasma protein powder, 0.3 to 0.7 part of mountain flour, 0.5 to 1.0 part of calcium hydrophosphate, 0.05 to 0.5 part of lysine, 0.05 to 0.3 part of threonine, 0.1 to 0.3 part of sodium chloride, 0.1 to 0.8 part of compound flavone premix compounds, 0.15 to 0.3 part of zinc oxide, 0.03 to 0.06 part of calcium propionate, 0.02 to 0.04 part of ethoxyquin and 1.0 part of suckling pig premix compounds. The invention also discloses a preparation method. The intestinal tract health and the production performance of weaned pigs can be improved.

The invention is directed to a crosslinkable polyethylene composition comprising an additive composition consisting of polyethylene glycol and a mixture of 4,4′-thiobis (2-tertbutyl-5-methylphenol) plus thiodiethylene bis[3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate].

An electrochemical apparatus includes a separator, a positive electrode plate, and an electrolyte solution, where the separator includes a porous layer, and an average pore diameter of the porous layer is 0.5 μm to 18 μm; the electrolyte solution includes propyl propionate, and based on a mass of the electrolyte solution, a mass content of propyl propionate is 25% to 55%; and the positive electrode plate includes a positive active material layer, the positive active material layer includes a conductive agent, the conductive agent includes at least one of conductive carbon black or Ketjen black, and a specific surface area of the conductive agent is 600 m2 / g to 1100 m2 / g.

This invention discloses a method for eliminating moss growth on macadamia nut leaves, relating to the field of agricultural planting technology. The specific method involves spraying a moss-removing agent onto the macadamia nut leaves during the moss occurrence period, applying moss inhibitor I to the main stem, and applying moss inhibitor II to the soil surface around the main stem. The moss-removing agent comprises the following raw materials in parts by weight: 40-50 parts of allicin, 15-24 parts of urea, 5-18 parts of calcium propionate, 20-27 parts of calcium sulfate, 10-17 parts of calcium chloride, 20-35 parts of vegetable oil, 1-10 parts of titanium dioxide, 1-5 parts of glutathione, and 1-3 parts of dispersant. This invention solves the problems of slow effectiveness, short duration of action, and low plant safety in current macadamia nut leaf moss control methods, achieving highly efficient control.

This invention discloses a single-component moisture-curing conductive and thermally conductive adhesive and its preparation process, comprising the following raw materials in parts by weight: 100 parts SMP adhesive; 15-30 parts flake silver powder; 500-900 parts spherical silver-coated copper powder; 0-400 parts dendritic silver-coated copper powder; 10-20 parts decamethyltetrasiloxane; 1-1.5 parts β-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate isooctyl ester; 7.5-10 parts N-β-(aminoethyl)-γ-aminopropyltrimethoxysilane; and 1-1.5 parts vinyltrimethoxysilane. This invention allows the adhesive to cure at room temperature / low temperature using moisture in the air, eliminating the need for temperatures above 120°C. This completely avoids thermal stress damage to heat-sensitive substrates such as plastics, flexible circuit boards, and PET / PI films, making it perfectly suited for low-temperature processing scenarios such as flexible electronics manufacturing, wearable devices, and flexible sensors.

This invention discloses a strain of *Propionibacterium freundii* and its application in propionic acid production. The strain was deposited at the China Center for Type Culture Collection on October 22, 2025, with accession number CCTCC M 20252289. This invention obtains a high-propionic acid-producing *Propionibacterium freundii* strain through screening from nature. Its 16S RNA was identified as *Propionibacterium freundii*. This strain is a safe edible strain approved by the Ministry of Health. Through optimization of its culture and fermentation conditions, the final propionic acid yield can reach over 50 g / L, the glucose conversion rate can reach 60%, and there is no lactic acid accumulation, meeting the requirements of industrial production. Furthermore, through fermentation optimization, the content of other acids can be effectively controlled, resulting in propionate products of different specifications that meet market demands.

This invention belongs to the field of chemical pharmaceutical technology, and particularly relates to a method for preparing an anti-puncture flash evaporation material. Addressing the issue that the hydrophilicity of the molecular structure in existing technologies needs improvement, this invention provides a maleic methylamine polyethylene glycol activated ester and its preparation method, comprising a reaction condensation of 3-maleimide propionic acid and tert-butyl methylamine polyethylene glycol propionate, followed by acid hydrolysis of the ester, and then adding the activated ester for a catalytic reaction to obtain the final product Mal-CH2CH2COO-N(CH3)-(PEG). n -CH2CH2COONHS. This invention creatively designs a maleic methylamine polyethylene glycol activated lipid structure. The methylamine structure can increase solubility in aqueous media, making it more hydrophilic than the existing Mal-CH2CH2COO-PEG-COONHS molecular structure, which is more conducive to the binding of drugs to the human body environment.

This invention belongs to the field of polymer materials and relates to a method for preparing a multifunctional emulsion antioxidant and its application, specifically to an emulsion antioxidant that also absorbs ultraviolet light and its application. A multifunctional emulsion-type antioxidant comprises the following components: a phenolic primary antioxidant, wherein the phenolic primary antioxidant comprises a mixture of p-cresol and dicyclopentadiene copolymer (TH-CPL) and triethylene glycol bis[β-(3-tert-butyl-4-hydroxy-5-methylphenyl)propionate] (antioxidant 245); a thioester secondary antioxidant; a UV absorber; a light stabilizer; a nonionic surfactant; and deionized water; wherein the UV absorber is N-(ethoxycarbonylphenyl)-N'-methyl-N'-phenylformamidinium (UV-1), and the light stabilizer is a mixture of bis(1,2,2,6,6-pentamethyl-4-piperidine) sebacate and 1-methyl-8-(1,2,2,6,6-pentamethyl-4-piperidine) sebacate (292).

The present invention provides a blood-sucking insect repellent composition that not only repels blood-sucking insects but also provides sustained deodorization of unpleasant odors that adhere to clothing. [Solution] A blood-sucking insect repellent composition containing an insect repellent component and a fragrance component, wherein the insect repellent component is at least one selected from the group consisting of ethyl 3-(N-butylacetamide)propionate, picaridin, p-menthane-3,8-diol, and N,N-diethyltoluamide, and the fragrance component is a compound that does not have electron-conjugated parts other than electron-conjugated parts derived from a benzene ring, a benzoic acid ester structure, or a salicylic acid ester structure, has 6 to 18 carbon atoms, a molecular weight of 98 to 270, has carbon atoms, hydrogen atoms, and oxygen atoms, and does not have sulfur atoms, nitrogen atoms, or halogen atoms.

The present invention relates to a method for efficiently producing a compound derived from the commercially available and readily available 3-((3S)-7-bromo-2-((2-hydroxypropyl)amino)-5-(pyridin-2-yl)-3H-benzo[e][1,4]diazepine-3-yl)propionate methyl ester, namely, the compound 3-[(4S)-8-bromo-1-methyl-6-(2-pyridinyl)-4H-imidazo[1,2-a][1,4]benzodiazepine-4-yl]propionate methyl ester benzenesulfonate (remimazolam besylate).

The application provides a moisture-curing quick-drying type HFG weather-resistant insulating paint and a preparation method and application thereof, and relates to the technical field of paint. The paint comprises the following raw materials: 40-50% end alkoxy high-branched fluorosilicon resin, 0.5-1.0% N-(beta-aminoethyl)-gamma-aminopropyl trimethoxysilane, 3-5% thermochromic microcapsules, 0.02-0.05% graphene, 0.5-1.5% fluorinated boron nitride nanosheet, 5-10% hollow glass microbead, 3-6% fluorinated spherical SiO2, 0.1-0.3% fluorocarbon surfactant, 2-3% defoaming agent, 2-3% leveling agent, and the rest is propyl propionate / dimethyl carbonate azeotrope solvent. The moisture-curing quick-drying type HFG weather-resistant insulating paint can realize surface drying within 3 minutes through a self-spraying tank mode only by relying on ambient air humidity, has good insulating performance, temperature visualization, high environmental protection, high environmental applicability, and is suitable for the scenes of live-line repair of power equipment and non-power-off spraying.

This invention relates to a method for preparing methyl 3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate, a raw material for synthesizing antioxidants 1010 and 1076. Specifically, this invention uses 2,6-di-tert-butylphenol and methyl 3-bromopropionate as reactants, adds an organic solvent, and reacts them in a reaction system under light and in the presence of a palladium catalyst to obtain methyl 3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate; furthermore, the reaction system also includes an alkaline additive. This invention provides a novel method for preparing methyl 3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate. By activating the C-H bond at the 4-position of the benzene ring of 2,6-di-tert-butylphenol, a methyl propionate group is directly attached to the 4-position of the benzene ring. Compared to existing technologies, this method does not require strong bases or highly toxic reagents and has a lower reaction temperature. This method has the potential to be an alternative to existing methyl 3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate preparation processes and a new route for obtaining synthetic raw materials for antioxidants 1010 and 1076.

This invention discloses a red pigment paste for color photoresist and its preparation method, relating to the field of photoresist technology. The red pigment paste for photoresist comprises the following materials: modified pigment red 177, propylene glycol methyl ether acetate, poly(methacrylic acid-co-acrylate) copolymer, acrylate resin, styrene-maleic anhydride copolymer, and antioxidant. This invention, by adding modified pigment red 177, works synergistically with the poly(methacrylic acid-co-acrylate) copolymer and polydimethyldiallyl ammonium chloride to inhibit pigment particle agglomeration, ensuring uniform dispersion of the pigment in the propylene glycol methyl ether acetate solvent, thus guaranteeing uniform and fine dispersion of the pigment paste. The antioxidant in this invention includes β-cyclodextrin, which can coat pentaerythritol tetrakis[β-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate] and UV-327, improving the compatibility of the pigment paste system and extending the storage life of the pigment paste.

This invention relates to the field of coating technology, specifically to a printing coating for colored paper and its preparation method. In the preparation process, this invention incorporates dithiol dihydroxyacetic acid to increase the crosslinking points of the system, and trimethylolpropane tris(2-methyl-1-azacyclopropane propionate) containing an unstable aziridine three-membered ring to improve the degree of crosslinking. It also introduces isoborneol methacrylate to reduce internal stress, effectively balancing the crosslinking density and volume shrinkage of the system, resulting in a coating with excellent adhesion. Furthermore, this invention adds the bifunctional monomer 1,6-hexanediol diacrylate to make the network structure more uniform and provide anti-photooxidation properties, making the system less prone to oxidative discoloration. The addition of tripropylene glycol diacrylate reduces the risk of yellowing caused by small molecule migration. Therefore, the coating obtained in this way has significant anti-yellowing effects, preventing color distortion of colored paper and maintaining the appearance stability of the colored paper.

This invention relates to a method for producing an aqueous polymer dispersion by free radical-initiated aqueous emulsion polymerization of a monomer composition comprising 50% to 99.9% by weight of at least one (meth)acrylic acid C1 to C2. 10 Alkyl esters and / or vinyl aromatic compounds (Class I), or at least one vinyl aromatic compound and conjugated aliphatic diene by weight of 50% to 99.9% (Class II), or vinyl acetate, vinyl propionate, vinyl tert-carbonate, long-chain fatty acid vinyl esters and / or ethylene by weight of 50% to 99.9% (Class III), these amounts being based on total monomers in each case, the method being carried out by polymerizing the composition in the presence of an oligosaccharide having 1.5 to 10 β-1,4-glycosidic bonds linking pyranose units; relating to the dispersion obtained accordingly; and relating to the use of the dispersion as a binder, adhesive, sizing agent for fibers, for the production of coatings or for the production of paper coating formulations.

The invention discloses a reactive additive with antioxidant and flame-retardant functions and a preparation method and application thereof, and relates to the technical field of antioxidant and flame-retardant additives, the reactive additive comprises a compound with a single molecular structure, and the compound comprises a phosphorus-nitrogen intumescent flame-retardant structural unit and a hindered phenol antioxidant functional structural unit which are directly connected through chemical bonds; wherein the phosphorus-nitrogen intumescent flame retardant structural unit is a phosphonitrilic chloride trimer derivative residue; according to the reactive additive with the antioxidant and flame-retardant functions as well as the preparation method and the application thereof, a phosphorus-nitrogen intumescent flame-retardant core (phosphonitrilic chloride trimer derivative residue) and a hindered phenol antioxidant unit (3-(3, 5-di-tert-butyl-4-hydroxyphenyl) propionate residue) are covalently linked through a chemical bond; the reactive additive with a single molecular structure is constructed, so that the inherent defects of poor compatibility and easy migration and precipitation of an antioxidant and a flame retardant in a traditional physical compound system are solved from the molecular structure, and intramolecular synergy and long-acting stability of functional groups are realized.

This invention discloses a pharmaceutical composition and its application, characterized by comprising tebufenozide-7-propionate (W6) and a CDK4 / 6 inhibitor. The pharmaceutical composition is used in the preparation of drugs for treating drug-resistant tumors, specifically breast cancer. Low concentrations (0.1 µM–1.0 µM) of W6 alone have no significant antitumor activity against breast cancer. However, W6 can significantly enhance the anti-breast cancer activity of CDK4 / 6 inhibitors when used in combination with them by inhibiting the drug efflux protein P-glycoprotein and regulating apoptosis and survival / proliferation signaling pathways.

This invention provides a method for recovering valuable metals from spent lithium-ion batteries. The method utilizes a eutectic solvent composed of dimethyl-β-propionate thiophene as a hydrogen bond acceptor and lactic acid as a hydrogen bond donor, with the addition of ethanol, to separate valuable metals from spent lithium-ion batteries. Ultimately, lithium is recovered as lithium carbonate, manganese as hydroxide, and nickel and cobalt as metal oxides, achieving high separation efficiency. This invention employs a eutectic solvent to selectively separate multiple valuable elements from the cathode material of spent lithium-ion batteries, significantly shortening the reaction time. The selective recovery rate of transition metal elements can reach over 90%, and the lithium recovery rate can reach over 99%.

A secondary battery, including a negative electrode plate and an electrolyte, where the negative electrode plate includes a negative electrode active material layer. The negative electrode active material layer includes graphite and a silicon-carbon material, and an average sphericity of the silicon-carbon material is 0.81 to 0.95. The electrolyte includes ethylene carbonate, propylene carbonate, ethyl propionate and propyl propionate, where based on a mass of the electrolyte, a mass percentage of the ethylene carbonate is a %, a mass percentage of the propylene carbonate is b %, a mass percentage of the ethyl propionate is c %, a mass percentage of the propyl propionate is d %, and (a+b) / (c+d) is in a range of 0.23 to 1.51.

This invention discloses an adhesive for membrane switches and a membrane switch. The adhesive is made from the following components in parts by weight: 45-70 parts of 2-ethylhexyl acrylate, 20-55 parts of hydrogenated styrene-isoprene-styrene block copolymer, 10-20 parts of solvent, 5-10 parts of filler, 5-10 parts of tackifier, and 3-10 parts of curing agent. The combination of 60 parts of 2-ethylhexyl acrylate and hydrogenated styrene-isoprene-styrene block copolymer in the adhesive improves the peel strength; the combination of modified C5 petroleum resin and maleic anhydride grafted modified rosin resin improves the initial tack; and the combination of trimethylolpropane-tris[3-(2-methylacridinyl)propionate] and 2-amino-2-ethyl-1,3-propanediol improves the tensile strength.

The present invention discloses the prodrugs of hexahydro-β-acid compounds, feed composition and use thereof, and a prodrug of hexahydro-β-acid compound of formula (I), or solvates thereof, or feed-acceptable salts thereof, wherein R1 is selected from a substituted or unsubstituted C1-C2 alkyl, and each of R2 and R3 is independently selected from H and a linear or branched C2-C4 carbonyl, wherein the C2-C4 carbonyl is substituted or unsubstituted. Disclosed herein is that the prodrug of a hexahydro-β-acid compound from esterification by aliphatic acid exhibits excellent stability at high temperature to overcome the problem resulting from the degradation of hexahydro-β-acid compound in a high-temperature pelleting process. Furthermore, disclosed herein is that, both propionate and butyrate, the prodrugs of a hexahydro-β-acid compound from esterification by aliphatic acid, and feed-acceptable salt thereof and solvate thereof, are stable in high-temperature feed processing and achieve effects substantially equal to the hexahydro-β-acid compound in farm breeding.

The present application relates to a kind of calcium propionate filter mud recycling device, including filter mud water tank, replacement filter screen plate, mud activity structure, the mud activity structure is connected in the inner top side of filter mud water tank, and mud activity structure can be active in the inner top side of filter mud water tank, the replacement filter screen plate is fixed in the top side of mud activity structure.The present application optimizes the setting of calcium propionate filter mud recycling device, changes the method of traditional precipitation, designs a single-layer filter screen to hold up calcium propionate filter mud, then carries out simple water filtration, and single-layer filter screen can be used as drying carrier, improves the efficiency of precipitation, and is suitable for use.

The present invention relates to the topical pharmaceutical composition comprising about 0.001% w / w to about 1% w / w latanoprost and about 1% w / w to about 15% w / w cortexolone-17α-propionate and a pharmaceutically acceptable vehicle comprising one or more solvent and process of its preparation. The invention further relates to the method wherein the composition is suitable for preventing and / or treating hair loss and / or stimulating hair growth. in patients suffering from alopecia, in particular androgenic alopecia (AGA).

The application discloses a gel microsphere profile control agent with salt response characteristics and a preparation method and application thereof, and the preparation method comprises the following steps: uniformly mixing an anionic monomer, a cationic monomer, acrylamide, persulfate, sodium dodecyl sulfate and deionized water, and adjusting to neutral to obtain a first mixed solution; adding oil-soluble methyl beta-acryloyloxy octadecyl propionate into the first mixed solution, stirring to a transparent and uniform state to obtain a second mixed solution; dispersing the second mixed solution into a plurality of microdroplets by using a microfluidic technology, and solidifying the microdroplets by a polymerization reaction to form a plurality of microspheres. The application utilizes the strong anti-polyelectrolyte phenomenon of zwitterions to polymers in salt water, the association of hydrophobic groups and the ionic bond action between anions and cations, realizes real-time regulation and control of the performance of the gel microspheres, improves the stability of the gel microspheres in a long-term migration and plugging process, and greatly improves the water injection development effect of a heterogeneous oil reservoir.

This invention provides a method for recrystallizing propionate, characterized in that the method includes dissolving crude propionate in a recrystallization solvent at a first temperature, then adding seed crystals and cooling to a second temperature for recrystallization, followed by filtration and drying to obtain purified propionate; wherein the recrystallization solvent comprises alcohol and water; the volume ratio of water to alcohol in the recrystallization solvent is 1:1-20; and the second temperature is 10-90°C lower than the first temperature. The method of this invention is not only simple in process and convenient to operate, with high yield, but also yields propionate crystals with high purity.

A secondary battery includes a non-aqueous electrolyte. The non-aqueous electrolyte includes: fluoroethyl propionate, where the fluoroethyl propionate is selected from the group consisting of 2,2-difluoroethyl propanoate, 2,2,2-trifluoroethyl propionate, and a combination thereof, and based on a total mass of the non-aqueous electrolyte, a mass percentage of the fluoroethyl propionate is 5% to 65%; and ethylene carbonate (EC) and propylene carbonate (PC), where based on the total mass of the non-aqueous electrolyte, the sum of the mass percentages of the ethylene carbonate (EC) and the propylene carbonate (PC) is less than or equal to 15%.

This invention discloses an antibacterial, dust-free, and environmentally friendly straw cat litter and its preparation method, relating to the field of cat litter preparation technology. The finished cat litter (96-144g) contains the following internal components: 60-90g straw powder, 10-15g yew leaves, 22.94-34.41g guar gum, 2.29-3.44g starch, 0.8-1.2g calcium propionate, with the remainder being water. Cat litter made using straw cores is rich in cellulose and has strong water absorption. The raw materials are natural products, possessing a natural plant fragrance, good deodorizing properties, and low price. Compared to other cat litters, straw core cat litter has strong water solubility and can be directly flushed. The addition of yew leaves can prevent common cat diseases, primarily targeting major zoonotic fungi in cats, such as Microsporum and Trichophyton mentagrophytes. Furthermore, this cat litter is directly flushable, has high water solubility, supports biodegradation, and reduces the probability of cats developing diseases.

This invention discloses a method for preparing 5-methoxy-4,6-dihydroxypyrimidine, relating to the field of 5-methoxy-4,6-dihydroxypyrimidine production technology. N,N-diethyl-2,3,3,3-tetrafluoropropionamide is defluorinated and methoxylated to obtain methyl 2-methoxy-3-(diethylcarbamoyl)propionate; methyl 2-methoxy-3-(diethylcarbamoyl)propionate is cyclized to obtain 5-methoxy-4,6-dihydroxypyrimidine. The method is simple, has low production cost, and is suitable for industrial production.

An electrolyte including a dinitrile compound, a trinitrile compound, and propyl propionate. Based on the total weight of the electrolyte, the weight percentage of the dinitrile compound is X, the weight percentage of the trinitrile compound is Y, and the weight percentage of the propyl propionate is Z, wherein, 2 wt %<(X+Y)≤8 wt %, 0.1≤(X / Y)≤6, and 0.01≤(Y / Z)≤0.3; wherein the trinitrile compound includes at least one selected from the group of 1,3,5-pentanetricarbonitrile; 1,2,3-propanetrinitrile, 1,3,6-hexanetricarbonitrile; 1,2,6-hexanetricarbonitrile, 1,2,3-tris(2-cyanoethoxy)propane; 1,2,4-tris(2-cyanoethoxy)butane, 1,1,1-tris(cyanoethoxymethylene)ethane, 1,1,1-tris(cyanoethoxymethylene)propane, 3-methyl-1,3,5-tris(cyanoethoxy)pentane, 1,2,7-tris(cyanoethoxy)heptane, 1,2,6-tris(cyanoethoxy)hexane, and 1,2,5-tris(cyanoethoxy)pentane.

An electrolyte includes lithium bis(fluorosulfonyl)imide, a sulfur-containing compound, and propyl propionate. Based on a mass of the electrolyte, a mass percentage of lithium bis(fluorosulfonyl)imide is A %, a mass percentage of the sulfur-containing compound is B %, and a mass percentage of propyl propionate is D %, where 0.3≤B / A≤4, and 30≤D≤40. With the above configuration, the risk of increased alternating current impedance of the electrochemical apparatus under high voltage can be reduced, and the drop resistance and intermittent cycling performance of the electrochemical apparatus can be improved.