40results about How to "Unique chemical structure" patented technology

The invention discloses a bi-component waterborne polyurethane floor coating and a preparing method thereof. The coating is prepared from a component A and a component B, the component A uses organic-silicone-modified polyurethane polyalcohol aqueous dispersion as a basic component and is prepared by adding and dispersing pigment, filler, a wetting agent, a defoaming agent, a dispersing agent, a thickening agent, a flatting agent and deionized water, and the component B is hydrophilic modified aliphatic polyisocyanate. The bi-component waterborne polyurethane floor coating is safe and environmentally friendly, the film elasticity can be controlled by adjusting the component ratio, and the coating is environmentally friendly, economical, good in quality and capable of being widely used for internal and external wall floor protection and decoration on different occasions.

The invention discloses a dendroid macromolecule material with poly hydroxy fatty acid ether, polylactic acid, lactic acid-glycolic acid copolymer, poly (epsilon-caprolactone), aromatic polyester, polyamide, polyurethane, polycarbonate and so on macromolecular material as base material, which is characterized by the following: proceeding esterification or ester exchange with base material and compound generated branched; getting the dendroid macromolecule material; combining property of dendroid macromolecule and biodegradable macromolecule; controlling chemical constitution, structure and molecular shape to needs; possessing special chemical constitution and physical property; modifying poly hydroxy fatty acid ether, polylactic acid, lactic acid-glycolic acid copolymer, poly (epsilon-caprolactone), aromatic polyester, polyamide, polyurethane, polycarbonate and so on macromolecular material as additive; becoming compatible agent of multiple diverse structure macromolecule material.

The invention discloses an abietate alcohol ether type quaternary ammonium salt surface active agent. The general structural formula is as follows: the molecular weight n of polyethylene glycol (PEG) in the formula is any one in 200, 400, 600, 1000, 2000 and 4000, and in the formula, the R is any one in methyl CH3, ethyl CH2CH3, and ethanol base CH2CH2OH. The invention also comprises a preparation method of the surface active agent. The method comprise that a one-pot method is adopted, rosin and polyethylene glycol are subjected to esterification to form rosin polyethylene glycol monoester, hydroxide radical in the polyethylene glycol is subjected to etherification through epoxy chloropropane, and an epoxy group and tertiary amine hydrochloride are quaternized to obtain the abietate alcohol ether type quaternary ammonium salt surface active agent. The critical micelle concentration of prepared surface active agent is 0.1-0.3 mmol/L, and the range of surface tension is 37-39.5 mN/m. Molecules contain nonionic functional groups and cation functional groups, and the abietate alcohol ether type quaternary ammonium salt surface active agent is a novel functional environment-friendly surface active agent.

The invention provides a fluorine-containing plastic processing assistant and a preparation method thereof. The assistant comprises the following components in parts by weight: 20-60 parts of fluorine-containing polymer, 20-60 parts of interfacial agent and 15-30 parts of heat stabilizer. The method comprises the following steps: proportionally adding the interfacial agent and heat stabilizer into a reaction kettle, adding the fluorine-containing polymer when the temperature reaches 120-140 DEG C, thoroughly and uniformly mixing, and discharging to obtain the finished product.

The invention relates to a naphthalenedicarboxamide-containing compound having the following general formula (I) (img file='DDA0000458054830000011. TIF' wi='992' he='376'/), wherei, in the formula, X is selected from Cl or Br; and M is selected from K, Na or NH4. The invention also relates to a preparation method of the compound. The invention also relates to a plant growth regulator composition comprising the compound. Compared with an existing plant growth regulator, the plant growth regulator composition disclosed by the invention has excellent comprehensive performance.

The invention discloses tearless hair and body shampoo for an infant. The tearless hair and body shampoo is prepared from 17 to 19 weight percent of disodium cocoamphodiacetate, 4.5 to 5.5 weight percent of cinnamyl glucoside or sodium hydroxypropyl sulfonate, 1.5 to 2.5 weight percent of alkyl glucoside and 0.3 to 0.6 weight percent of bactericidal composition, wherein the bactericidal composition is prepared from 1.0 to 3.0 percent of grapefruit extract, 3.0 to 10.0 percent of mangnolia officinalis bark extract, 3.0 to 8.0 percent of rhizoma zingiberis recens extract, 3.0 to 8.0 percent of pericarpium zanthoxyli extract and 71 to 90 percent of polyatomic alcohol. The composition disclosed by the invention has the characteristics of dominant expression in the lasting antibacterial property, excellent antibacterial effect, mildness and no irritation.

The invention belongs to the technical field of pesticides, and particularly relates to an indole spiropyridino coumarin compound as well as a preparation method and application thereof. According to the present invention, the isatin derivative, the 1, 3-dicarbonyl compound and the 4-aminocoumarin are adopted as the raw materials, the indole spiropyridino coumarin compound is synthesized through the one-pot method, and the indole spiropyridino coumarin compound has characteristics of unique chemical structure, higher research value and higher application potential. The preparation method provided by the invention has the advantages of cheap raw materials, simple process and strong universality, and is suitable for industrial production. Particularly, the method for preparing the indole spiropyridino coumarin compound by taking water as a solvent has the characteristics of being green, safe, efficient and environment-friendly. The indole spiropyridino coumarin compound provided by the invention has good bacteriostatic activity, has inhibitory activity on common plant pathogenic bacteria such as peanut brown spots, apple ring spots, wheat sheath blight, watermelon anthracnose and rice seedling, and has a potential application value.

The invention provides a preparation method of a pesticide composition containing graphene oxide. The insecticide comprises the following components in percentage by mass: 5%-10% of chlorfenapyr serving as a component A, 0.5%-10% of indoxacarb, emamectin benzoate, methoxyfenozide or chlorantraniliprole serving as a component B, 10%-20% of graphene oxide serving as a synergist, 2%-5% of sodium alkyl sulfate serving as an emulsifier, 1%-5% of polyoxyethylene ether serving as a dispersing agent, 1%-5% of ethylene glycol or propylene glycol serving as an anti-freezing agent, 0.2%-0.5% of sodium benzoate serving as a preservative, 0.2%-0.5% of magnesium aluminum silicate serving as a thickening agent, 1%-3% of organic silicon serving as a defoaming agent, and the balance of deionized water. Thepesticide composition is prepared by stirring, mixing and grinding.

The invention relates to chemical structures of 11 phenolic acid compounds separated from clinical urinary system resistant active effective parts of Clerodend ranthus spicatus and having novel structures and an application thereof in preparation of medicaments for treating and/or preventing clinical urinary system drug-resistant bacteria. Eight new phenolic acid components are separated from the effective parts by using various separation techniques such as column chromatography. The chemical structures of the separated eight phenolic acid compounds with novel structures are identified by using modern wave spectra techniques (IR, UV, MS, 1D, 2D-NMR), and the compounds are respectively named as Clerodendranoic acid A(1), Clerodendranoic acid B(2), Clerodendranoic acid C(3), Clerodendranoic acid D(4), Clerodendranoic acid E(5), Clerodendranoic acid F(6), Clerodendranoic acid G(7), Clerodendranoic acid H(8), Clerodendranoic acid I(9), Clerodendranoic acid J(10) and Clerodendranoic acid(11). The 11 new compounds have the structural feature of caffeic acid or (and) rosmarinic acid polymers with novel structures.

The invention discloses a rosin-based micromolecular organic gel and cyclo-hexane gel formed by the same, and belongs to the field of chemical utilization of rosin. According to the invention, dehydroabietic acid and lysine ethyl ester hydrochloride are used as raw materials, an amidation reaction is carried out to obtain a rosin-based amphiphilic molecule, and meanwhile, the invention provides the structure of the rosin-based micromolecular gel and the gelling performance of the rosin-based micromolecular gel in different kinds of organic solvents. The micromolecular organic gel can be used for gelling cyclo-hexane, and shows a very good gelling capability. China is rich in rosin resources, development of rosin and rosin products is promoted, and a new way is explored for high-added-valueutilization of rosin.

The invention relates to a culture medium for identifying gram-negative and positive bacteria and a use method, particularly, a culture medium for identifying the gram-negative and positive bacteria through stronger fluorescence produced by strains on a flat plate by expressing the property of L-alanine aminopeptidase by using gram-negative bacteria, taking L-Alanine-AMC-TFA (L-alanine-7-Amino-4-Methylcoumarin Trifluoroacetic Acid) as a substrate of the enzyme, blocking the diffusion of produced 4-methylcoumarin by using cyclodextrin, and a use method thereof. According to the culture medium and the method, the same result as the conventional gram staining method can be obtained during strain separation; the culture medium and the method have the advantages of high specificity, high sensitivity, easiness in operation and simple result judgment and the like, are suitable for the fields such as medical clinical microorganism examination, food safety microorganism examination and environmental protection and have broad application prospect.

The invention discloses sulfur-containing furandicarboxylic acid polyester, and relates to the field of biomass-based high polymer materials, and the structural formula of the sulfur-containing furandicarboxylic acid polyester is shown in the specification, n is more than or equal to 5 and less than or equal to 3000, R on the main chain is a disulfide bond, and R is any one of structures shown in the specification. The invention also provides a preparation method of the polyester. The invention has the beneficial effects that the polyester has a unique chemical structure and excellent mechanical properties, and the mechanical property parameters after tabletting and film making are as follows: the breaking strength is 14.7 Mpa, and the elongation at break is 420%.

The invention relates to isopentenyl naphthoquinone obtained in the active fraction for promoting blood circulation to remove blood stasis in clinopodium chinense (Benth.) O. Kuntze. in a novel structure. A preparation method comprises the steps of extracting the dried overground part of clinopodium chinense (Benth.) O. Kuntze. by water; purifying and enriching an extract by macroporous resin to obtain a 50-95% ethanol eluate; then, enriching through alkali dissolution and acid deposition, and refining to obtain the active fraction of clinopodium chinense (Benth.) O. Kuntze.. One novel isopentenyl naphthoquinone is separated from the active fraction of clinopodium chinense (Benth.) O. Kuntze. through various separating technologies such as column chromatography and the like. The separated compound is identified by applying modern spectrum technologies (IR, UV, MS, 1D, 2D-NMR), and the compound is named as 2, 2-dimethyl-3, 10-dihydroxy-3, 4, 4a, 10b-tetrahydro-5H-naphtho[1, 2-b]-pyran-6-one (1). The novel isopentenyl naphthoquinone is characterized in that the compound is a polymer of naphthoquinone and/or isoamylene in a novel structure.

The invention relates to a synthesis method of a tetraphenylene compound. The structure of the tetraphenylene compound is as shown in the description. The synthesis method comprises the following steps of adding a 2-iodobiphenyl compound, a palladium catalyst and silver salt into an organic solvent, carrying out a heating reaction, separating a product, and then drying, so that a target product is obtained. The 2-iodobiphenyl compound is a mixture of a compound A and a compound B; the structural formulas of the compound A and the compound B are as shown in the description respectively, wherein R1, R2, R3 and R4 are all one of hydrogen, alkyl, halogen or aryl. Compared with the prior art, the synthesis method has advantages that the reaction step is short, the time is short, the efficiency is high, the yield is high, the reaction condition is mild, the operation is simple and convenient, and the like.

The invention discloses a lubricant for metal cold working and a preparation method thereof. The lubricant is mainly composed of PAO poly alpha olefin synthetic oil, aquadag, molybdenum disulfide, butter and nanocarbon. Wherein the mass percent of each component is as follows: 10%-90% of PAO poly alpha olefin synthetic oil, 5%-20% of aquadag, 0.5%-10% of molybdenum disulfide, 0.5%-55% of butter and 0.001%-5% of nanocarbon; in addition, a complete process for preparing the lubricant is provided. The lubricant provided by the invention is simple in preparation method, ingredients are easy to purchase, and the cost is reduced; the lubricant can effectively reduce the friction coefficient in the metal cold working process, can be prepared into a liquid state or a paste state to be coated on the surface of a metal workpiece according to the requirements of on-site working conditions, and is beneficial to rapid diffusion of heat in the machining process, so that it is ensured that the machining process is orderly, stable and continuous.