40 results about "T-butyl formate" patented technology

The invention relates to a water-borne composite organic wood preservative, a preparation method and application thereof. The wood preservative comprises the following components by mass: 5-15% of an organic insecticide and bactericide, 25-40% of an organic solvent, 15-20% of a surfactant, and the balance water. The organic insecticide and bactericide is at least one of a triazole compound, 3-iodo-2-propynyl-butyl-carbamate (called IPBC for short), imidacloprid and pyrethroid substances. The organic solvent is at least one of cyclohexanone, dimethylformamide (DMF), and xylene. The wood preservative provided by the invention has good antiseptic and mould proof effects, low dosage, good loss resistance and environmental friendliness, and can be widely used in indoor furniture, indoor decoration materials, outdoor gardens, constructions and the like.

The invention discloses a synthesis technology of ribociclib. The synthesis technology comprises the following steps: 1) in the presence of cesium carbonate, 2-chloro-4-cyclopentylaminopyrimidine and 3-bromo-2-oxo-N,N-dimethylpropionamide react under the co-catalysis of cuprous iodide and L-proline to obtain 2-chloro-7-cyclopentyl-N,N-dimethyl-7H-pyrrole[2,3-d]pyrimindine-6-methanamide; and 2) a product obtained in the step 1) and 4-(6-aminopyridine-3-yl)piperazine-1-carboxylic acid tert-butyl ester are subjected to a nucleophilic reaction, and then formic acid-tert-butyl ester is removed under the acidic condition so as to obtain ribociclib. The synthesis technology of the medicine ribociclib for treating breast cancer has advantages of less reaction steps, mild condition and high yield, and is suitable for industrial production.

Environmentally-friendly water-based paint contains hydroxylation fiber resin, polyether sulfone resin, polysorbate, sodium hexametaphosphate, organic silicon emulsion, epoxy group silane modified silica sol, crosslinked polyethylene, tert-butyl peroxybenzoate, sodium silicate, melamine polyphosphate, pentaerythritol, aluminum silicate fibers, silica, hydroxyethyl cellulose, antibacterial preservative, film-forming auxiliaries, waterborne polyurethane resin, acrylic ester, China wood oil, titanium dioxide, polyvinyl alcohol, light calcium carbonate, talcum powder, gypsum powder, titanium dioxide, fluoroethylene resin, waterborne epoxy modified resin, acrylate emulsion, Ni, Zn, water and other raw materials. Because the environmentally-friendly water-base paint contains Ni and Zn, high temperature resistance and corrosion resistance are achieved, coating requirements of kinds of occasions are met, and the paint does not contain toxic organic solvent, is free of pollution and has the advantages that paint coats will not crack, and the paint is resistant to ageing and high in adhesive force.

The invention relates to a bactericidal, mould-proof and drying agent for calligraphy and painting artworks. The bactericidal, mould-proof and drying agent comprises the following components in parts by weight: 20-24 parts of ethylene-vinyl acetate copolymer, 22-26 parts of mineral silicon dioxide desiccant powder, 18-22 parts of quartz powder, 22-26 parts of basalt, 18-22 parts of activated carbon, 22-26 parts of refined iron powder, 18-22 parts of agilawood extract, 24-28 parts of guar gum, 18-22 parts of iodopropynyl butylcarbamate, 22-26 parts of cinnamyl aldehyde, 18-22 parts of isothiazolinone, 22-26 parts of mannan oligosaccharide, 18-22 parts of ammonium polyphosphate, 18-22 parts of ethoxyquin, 22-26 parts of sorbic acid, 18-22 parts of pymetrozine, 22-26 parts of ailanthus altissima juice, 18-22 parts of abamectin mixture and 22-26 parts of spinetoram. The preparation technology of the product is simple, and the prepared product has relatively superior bactericidal, mould-proof and drying properties, and is suitable for being used in the field of calligraphy and painting artworks.

The invention discloses a composite mildew-proof silane modified polyether sealant and a preparation method and application thereof. The composite mildew-proof silane modified polyether sealant is prepared from the following preparation raw materials: a silane modified polyether polymer, a filler, an auxiliary agent, an inorganic mildew preventive and an organic mildew preventive, wherein the inorganic mildew preventive comprises at least one of nano-zinc oxide and nano-titanium dioxide, and the organic mildew preventive comprises at least one of nitrogenous heterocyclic phenolic alcohol, isothiazolinones, benzisothiazolinone, copper zinc pyrithione and butyl iodopropynylcarbamate. The sealant provided by the invention can achieve the purpose of long-acting mildew prevention, and does notgenerate the problems of discoloration, poor compatibility, influence on shelf life and mechanical properties and the like.

The invention discloses a preparation method of a piperazine (4-(4-methylbenzoyl)piperazine-1-yl)piperidine-1-tert-butoxycarbonyl. The preparation method comprises the steps of, with 4-hydroxypiperazine as a starting material, feeding Boc and performing condensation, nucleophilic substitution and amidation to obtain a target product. The compound is an important medical intermediate.

The invention aims to provide a compound leather bactericidal and mildew-proof agent, and in particular provides a preparation method taking the composition of a guanidine compound, 2-bromo-2-nitro-1,3-propanediol, 3-iodo-2-propynyl butylcarbamate, ethylenediaminetetraacetic acid (EDTA) B, a corrosion inhibitor, ethanol and water as the compound leather bactericidal and mildew-proof agent. The compound leather bactericidal and mildew-proof agent comprises the following components by mass percent: 1-15% of guanidine compound, 0.05-3% of EDTA B, 0.1-2% of 2-bromo-2-nitro-1,3-propanediol, 1-50% of ethanol, 0.05-5% of 3-iodo-2-propynyl butylcarbamate, 0.1-20% of corrosion inhibitor and the balance of water. The preparation method is characterized by comprising the following steps of: mixing the guanidine compound, the 2-bromo-2-nitro-1,3-propanediol and the EDTA B with 50% of water by mass percent, and stirring the mixture for 3 hours to prepare a mixture A; mixing the 3-iodo-2-propynyl butylcarbamate, the corrosion inhibitor and the ethanol with the residual 50% of water by mass percent, and stirring the mixture for 3 hours to prepare a mixture B; and stirring the mixture A and the mixture B to react for 2 hours, then standing for 2 hours, determining the content of the mixture of the mixture A and the mixture B, and packaging the qualified mixture, thus obtaining a qualified product. The invention also aims to dilute the compound leather bactericidal and mildew-proof agent, and the dilution ratio is 50-500 times.

The invention aims to provide a compound leather bactericidal and mildew-proof agent, and in particular provides a preparation method taking the composition of a guanidine compound, a quaternary ammonium compound, 2-bromo-2-nitro-1,3-propanediol, 3-iodo-2-propynyl butylcarbamate, ethylenediaminetetraacetic acid (EDTA) B, a corrosion inhibitor, ethanol and water as the compound leather bactericidal and mildew-proof agent. The compound leather bactericidal and mildew-proof agent comprises the following components by mass percent: 1-6% of guanidine compound, 1-10% of quaternary ammonium compound, 0.05-3% of EDTA B, 0.1-2% of 2-bromo-2-nitro-1,3-propanediol, 1-50% of ethanol, 0.05-5% of 3-iodo-2-propynyl butylcarbamate, 0.1-20% of corrosion inhibitor and the balance of water. The preparation method is characterized by comprising the following steps of: mixing the guanidine compound, the quaternary ammonium compound, the 2-bromo-2-nitro-1,3-propanediol and the EDTA B with 50% of water by mass percent, and stirring the mixture for 3 hours to prepare a mixture A; mixing the 3-iodo-2-propynyl butylcarbamate, the corrosion inhibitor and the ethanol with the residual 50% of water by mass percent, and stirring the mixture for 3 hours to prepare a mixture B; and stirring the mixture A and the mixture B to react for 2 hours, then standing for 2 hours, determining the content of the mixture of the mixture A and the mixture B, and packaging the qualified mixture, thus obtaining a qualified product. The invention also aims to dilute the compound leather bactericidal and mildew-proof agent, and the dilution ratio is 50-500 times.

The invention discloses a matte waterborne coating. The matte waterborne coating contains low polymer polyol, maleic anhydride, methyl methacrylate, hydroxyl ethyl acrylate, hydroxylation fiber resin, polyether sulfone resin, polysorbate, sodium hexametaphosphate, organic silicon emulsion, epoxy silane modified silica sol, cross-linked polyethylene, butyl peroxybenzoate, sodium silicate, melamine polyphosphate, pentaerythritol, aluminum silicate fiber, silica, hydroxyethyl cellulose, an antibacterial preservative, waterborne polyurethane resin, acrylate, polyvinyl alcohol, light calcium carbonate, titanium dioxide, waterborne epoxy modified resin, Ni, Zn, water and other raw materials. Due to the fact that the matte waterborne coating contains Ni, Zn and other components, the matte waterborne coating has high-temperature resistance and corrosion resistance, meets coating requirements in various occasions, does not contain a toxic organic solvent, is pollution-free, and also has the advantages of no cracking of a paint surface, ageing resistance, strong adhesive force and the like.

The invention relates to a synthetic method of 3-oxymethylene-7-oxa-2,10-diazaspiro[4,6] undecane-10-tert-butyl formate and primarily solves the technical problem that no proper industrial synthetic methods are available in the prior art. The method comprises the following three steps: S1, first dissolving a compound 1 in tetrahydrofuran and adding sodium hydride and triethyl phosphonoacetate to carry out a Wittig reaction to obtain a compound 2; S2, dissolving the compound 2, nitromethane and Tetrabutyl ammonium fluoride in tetrahydrofuran and heating the solution to react to generate a compound 3; and S3, dissolving the compound 3 ethanol and carrying out reduction and ring closing by raney nickel to obtain a compound 4; the reaction formula as shown in the description.

The invention discloses a household sterilizing, cleaning and acarus killing wet tissue which comprises a wet tissue body and wet tissue liquid sprayed and dripped on the wet tissue body, and the wet tissue emulsion is sterilizing and acarus killing emulsion and comprises plant acarus killing essential oil, alkyl glycoside, polyaminopropyl biguanide, benzalkonium chloride, isopropanol, PEG-40 hydrogenated castor oil, iodopropynyl butyl carbamate, a plant acarus killing agent, a plant anti-allergy agent and deionized water. The mass ratio of the alkyl glycoside to the polyaminopropyl biguanide to the benzalkonium chloride to the iodopropynyl butyl carbamate is (0.08-0.3): (0.5-0.9): (0.2-0.3): (0.1-0.2). The household sterilizing, cleaning and acarus killing wet tissue is high in cleaning capacity and good in sterilizing and acarus killing effects, meanwhile, the compatibility problem of emulsion and floor plastic is solved, damage to a floor in the cleaning process is avoided, and the household sterilizing, cleaning and acarus killing wet tissue is wide in application.

The present invention relates to biocidal agents designed to protect industrial products against microbial, bacterial, fungal and algal infections. In particular, the present invention relates to co-crystals containing 3-iodopropynyl butylcarbamate (IPBC) and to compositions containing said co-crystals which possess improved physical, chemical and workability properties compared with the use of IPBC.

The invention discloses a fabric thermal insulation coating and its preparation method. According to the invention, natural latex, nekal, a stabilizer, a dispersant, a vulcanizing agent, polyvinyl chloride, a promoter, diphenyl guanidine, diethanolamine, 2-aminoethanol, butyl phthalate, hydroxypropyl methyl cellulose, polyvinyl acetate and dithiocarbamate are weighed by weight portion. Technical effects are as follows: surface drying time of the product is 10-25min and hard drying time is 50-65 min; flame resistant time is 35-50 s, and the product has flame resistance; weight loss is 1-4 g; adhesive force reaches up to 100%, and the product will not fall off or mildew after immersed in water for 22-30 d; gloss reaches 93-100%, and flexibility is 1.5-3 mm; and service life of a coating film is long. The product can be widely produced and can continuously replace existing materials.

The invention relates to a drying and anti-mildew bactericide for garments. The drying and anti-mildew bactericide comprises components in parts by mass as follows: 28-32 parts of iminoctadine tris(albesilate), 30-34 parts of silthiopham, 26-30 parts of amino-oligosaccharin, 30-34 parts of quintozene, 26-30 parts of oxadixyl, 30-34 parts of vancomycin, 26-30 parts of sodium diacetate, 32-36 parts of tetrabutyl titanate, 26-30 parts of ammonium perchlorate, 30-34 parts of ethyl p-hydroxybenzoate, 26-30 parts of polyoxyethylene trimethyl ammonium chloride, 30-34 parts of dimethyl fumarate, 26-30 parts of 3-iodine-2-propynyl butyl carbamate, 30-34 parts of benzimidazole, 26-30 parts of iodo propynyl butyl carbamate, 30-34 parts of bauxite, 26-30 parts of potato modified starch, 30-34 parts of bamboo charcoal, 26-30 parts of light calcined magnesia and 30-34 parts of polyacrylamide starch. The drying and anti-mildew bactericide for the garments has excellent drying, anti-mildew and anti-bacterial performance and is fit for use in the field of garments.