48 results about "Benzylideneacetone" patented technology

The invention discloses an acidic chloride zinc-plating additive and a preparation method thereof. The additive consists of a brightening agent A and a softening agent B, wherein the brightening agent A is prepared by dissolving 20 to 30 weight parts of benzalacetone into 100 weight parts of alkylphenol ethoxylates with stirring at room temperature under normal pressure at the rotate speed of between 10 and 100 revolutions/minute, and the softening agent B is prepared by dissolving 1.8 to 5.8 weight parts of nicotinic acid 100 weight parts of dodecanol polyoxyethylene ether with stirring at the room temperature under the normal pressure at the rotate speed of between 10 and 100 revolutions/minute. The additive is prepared from 0.6 to 1.6 grams/liter of brightening agent A, 10 to 30 grams/liter of softening agent B and a proper amount of water. The additive is added into acidic zinc-plating solution, so that a zinc coating which is high in brightness and flattening, small in internal force and high in current efficiency can be obtained.

The invention provides a high-quality antimicrobial mildew-resistant paint, and preparation and application methods thereof. The high-quality antimicrobial mildew-resistant paint comprises a vinyl acetate-dibutyl maleate copolymer, silicon dioxide, barium sulfate, calcium carbonate, casein, cupric chloride, aluminum hydroxide, zinc pyrithione, benzalacetone, zinc yellow, carbon black, porcelain clay powder, dimethylbenzene, isopropanol and aids. The high-quality antimicrobial mildew-resistant paint has reasonable components; and the product has special antimicrobial and mildew-resistant effects, can implement moist insulation and thermal insulation, and has high stability and favorable effects. The preparation method of the high-quality antimicrobial mildew-resistant paint has the advantages of simple and feasible technique, high production efficiency and low application cost, and is simple to operate and easy to implement. The produced product has the advantages of stable quality and favorable adaptability, is convenient to use, and has higher popularization and application value.

The invention discloses UV curing ink for optic glass silk screen, which comprises the following components in parts by weight: 4-7 parts of acyl phosphorus oxide, 7-13 parts of modified acrylic resin, 8-16 parts of organosilicone modified bisphenol A-type epoxy resin, 8-16 parts of methacrylic acid dimethylamino ethyl ester, 30-40 parts of rutile titanium oxide, 20-30 parts of ethylene glycol monoethyl ether acetate, 0.5-2 parts of organic silicon defoamer, 0.5-2 parts of hydroquinone, 0.5-2 parts of acrylate copolymer, 0.5-2 parts of benzalacetone, 0.5-2 parts of neovadine and 0.5-2 parts of screen photogelatin. Compared with the prior art, the problem of low printing efficiency caused by that common ink has to be subjected to high-temperature baking before entering next printing is solved, and the printed common ink only needs to be subjected to about 30-second UV curing before being put into production, so that continuous silk screen automation is realized.

The invention discloses a dibenzo[c,e]azepine derivative and a preparation method thereof. The derivative is prepared by using [1,1'-biphenyl]-2,2'-dinitrile and an aryl boronic acid as reactants; thereagents are easy to prepare, have relatively wide sources, relatively low cost, and relatively low toxicity, and is not easy to affect human health. The reaction is performed in a solvent, and the solvent is any one of toluene, xylene, methanol, tetrahydrofuran, N,N-dimethylformamide, and N,N-dimethylacetamide. When the reaction is carried out, a palladium catalyst and an acid promoter are added, wherein the palladium catalyst is any one of palladium trifluoroacetate, tetrakis(triphenylphosphine) palladium, diacetylacetone palladium, bis(dibenzylideneacetone) palladium, and tris(dibenzylideneacetone) dipalladium. A reaction temperature is 100-120 DEG C, a reaction time is 20-30 h, and reaction conditions are mild, easy to reach, and safe. The method can directly synthesize a target product without separating intermediate products, and the yield can be up to 95%.

The invention relates to the use of an electrolytic bath for electroplating zinc-particles metal composite coatings of metals with antibacterial ability, which inhibits bacteria growth such as Escherichia coli and Staphylococcus aureus, at least by 87% over its surface.

The method of formulating an electrolytic bath that allows the production of antibacterial coatings involves the following steps: a) adding metal particles with antibacterial ability suspended in a cationic surfactant to an electrolytic bath containing boric acid, chlorides, polyethylene glycol, benzylideneacetone, sodium benzonate, triethanolamine and dissolved Zn2+ salts, adding; b) electroplating the metal composite coating of zinc-antibacterial metal particles by applying direct current density. The occlusion of metal nanoparticles with antibacterial ability in the coating matrix provides said coating with antibacterial characteristics.

The invention discloses a moth killing agent which comprises benzalacetone, Lysimachia foenum graecum hance, camphor and ethanol. The invention has the advantages of a reasonable formula, a good utilization effect and low production cost.

Dibenzylidene and heterobenzylideneacetone derivatives, related 4-piperidones, related 4-thiopyranones and the corresponding sulfinyl- and sulfonyl-analogues for their use for prophylaxis or treatment of trypanosomiasis and leishmaniasis.

The invention provides novel hull bottom anti-bacteria paint and preparation and application methods thereof. The novel hull bottom anti-bacteria paint comprises alkyd resin, terephthalic acid, china clay powder, titanium dioxide, benzalacetone, carbon black, barium sulfate, calcium carbonate, copper chloride, rosin, xylene and auxiliaries. The novel hull bottom anti-bacteria paint contain reasonable components and has a special anti-bacteria effect and high stability. The preparing process is simple and easy to implement, production efficiency is high, application cost is low, operation is easy, implementation is easy, product quality is stable, application is convenient, applicability is high, and application and popularization value is high.

The invention discloses an environment-friendly efficient deodorant similar to plant liquid and a preparation method of the deodorant, and belongs to the technical field of deodorants. The deodorant disclosed by the invention is prepared from the following raw materials in parts by weight: 0.1-0.3 part of sedanolide, 0.1-0.3 part of trans-2, 4-heptadienal, 0.3-0.7 part of proline, 0.1-0.2 part ofisophorone, 0.5-1 part of 3-acetyl-2,5-dimethyl furan, 1-3 parts of nobiletin, 0.1-5 parts of triethanolamine, 0.1-5 parts of diethanolamine, 5-10 parts of cinnamyl aldehyde, 0.1-0.3 part of camphor,6-10 parts of carvone, 0.1-0.3 part of coumarin, 3-5 parts of p-hydroxybenzoic acid, 3-5 parts of ethyl p-hydroxybenzoate, 0.1-0.5 part of benzalacetone, 0.5-1 part of vanillin, 1-3 parts of anisaldehyde, 1-3 parts of methyl cinanmate, 2-5 parts of a surfactant, 2-4 parts of a cosurfactant and 50-70 parts of a solvent. The deodorant disclosed by the invention not only can efficiently remove stinkin various environments, but also can effectively inhibit breeding of mosquitoes and germs.

The invention belongs to the field of functional materials, and particularly relates to a fluorine-containing near-infrared absorption conjugated polymer and a preparation method thereof. The preparation method comprises the following steps: firstly, preparing a 3, 6-bis (5-bromothiophene-2-yl)-2, 5-bis (alkyl) pyrrolo [3, 4-c] pyrrole-1, 4-diketone monomer, then preparing dibromo fluorine-containing fluorene, and finally, reacting the 3, 6-bis (5-bromothiophene-2-yl)-2, 5-bis (alkyl) pyrrolo [3, 4-c] pyrrole-1, 4-diketone monomer with the dibromo fluorine-containing fluorene to prepare the fluorine-containing fluorene dibromo fluorine-containing fluorene. The preparation method comprises the following steps: dissolving a 1, 4-diketone monomer, dibromo fluorine-containing fluorene, a bis (trimethyltin) compound, tris (dibenzylideneacetone) dipalladium and tris (o-tolyl) phosphine in toluene, and reacting at 110 DEG C for 48 hours in an inert gas atmosphere to obtain the fluorine-containing fluorene and diketopyrrolopyrrole copolymer. The fluorine-containing fluorene and diketopyrrolopyrrole copolymer disclosed by the invention has strong absorption in a near-infrared region, and contains a perfluoro side chain, so that the efficiency of generated singlet oxygen is higher, and the photodynamic therapy efficiency can be improved.

The present invention relates to novel benzylideneacetone derivatives or uses thereof, more specifically, the present invention relates to a pharmaceutical composition for preventing or treating, or food composition for ameliorating a cancer or a bone disease comprising a compound defined by Formula 1 or pharmaceutically acceptable salt thereof as an active ingredient.

Since compounds according to the present invention exhibit strong inhibitory activity on proliferation and differentiation of osteoclast, and activity on proliferation and differentiation of osteoblast, it can be usefully used to develop safe and effective anti-cancer agents, and therapeutic agents for preventing and treating or foods for ameliorating bone diseases including osteoporosis, and the like.

The present invention provides a process for the preparation of Pd₂(dba)₃.CHCl₃ comprising the steps of: (a) reacting a Pd(II) complex with an alkali metal halide in at least one alcohol solvent; and (b) reacting the product of step (a) with a mixture comprising dibenzylideneacetone, chloroform and an inorganic base to form Pd₂(dba)₃.CHCl₃.

The invention belongs to the field of chemical drugs, and particularly discloses a curcumin analogue, a preparation method and application of the curcumin analogue in drugs for resisting cancer cell proliferation. The curcumin analogue comprises a structure as shown in a general formula A or a general formula B. The curcumin analogue with the structure as shown in the general formula A consists of 1, 2, 4-trimethyl-1, 3- the curcumin analogue with the structure as shown in the general formula A is prepared from a benzalacetone derivative and 1, 1 '-ferrocene dicarboxaldehyde through a Claisen-Schmidt condensation reaction, and the curcumin analogue with the structure as shown in the general formula B is prepared from a benzalacetone derivative and 1, 1'-ferrocene dicarboxaldehyde through a Claisen-Schmidt condensation reaction. According to the application, a ferrocene group is introduced into a natural active compound molecule, so that the biological activity of a parent compound can be improved to different extents, and therefore, the curcumin analogue has an anti-cancer effect higher than that of curcumin, and meanwhile, the curcumin analogue has special selective toxicity, low toxicity to normal cells and high toxicity to cancer cells; the compound has excellent anti-cancer cell proliferation activity and toxicity selectivity.