212 results about "Propynyl" patented technology

A method of preserving wood includes injecting into the wood an effective amount of a aqueous wood-injectable biocidal slurry, said a wood-injectable biocidal slurry containing dispersants and sub-micron biocidal particles selected from at least one of the following classes: 1) a plurality of particles containing at least 25% by weight of a solid phase of sparingly soluble salts selected from copper salts, nickel salts, tin salts, and / or zinc salts; 2) a plurality of particles containing at least 25% by weight of a solid phase of sparingly soluble metal hydroxides selected from copper hydroxide, nickel hydroxide, tin hydroxide, and / or zinc hydroxide; 3) a plurality of particles containing at least 25% by weight of a solid phase comprising a substantially-insoluble organic biocide selected from triazoles, chlorothalonil, iodo-propynyl butyl carbamate, copper-8-quinolate, fipronil, imidacloprid, bifenthrin, carbaryl, strobulurins, and indoxacarb; 4) a plurality of particles containing on the outer surface thereof a substantially-insoluble organic biocide; 5) a plurality of particles containing a solid phase of a biocidal, partially or fully glassified composition comprising at least one of Zn, B, Cu, and P. The particles may advantageously contain metallic copper, a leachability barrier, pigments, dyes, or other adjuvants disposed on the outer surface thereof.

Preservative compositions are provided with improved stability. The preservative compositions comprise a combination of an amphoteric compound and 3-iodo-2-propynyl butyl carbamate (IPBC). In a particular embodiment, the compositions comprise a combination of a betaine compound and 3-iodo-2-propynyl butyl carbamate. The compositions in some embodiments have surprising stability. The preservative composition can be used in personal care products, household products, industrial products and materials. The compositions can be used in a variety of methods for the treatment of surfaces such as cellulosic surfaces, such as wood surfaces. The compositions can be used in one embodiment to provide stain resistance to wood.

Methods for producing modified polypeptides containing amino acid analogues are disclosed. The invention further provides purified dihydrofolate reductase polypeptides, produced by the methods of the invention, in which the methionine residues have been replaced with homoallyglycine, homoproparglycine, norvaline, norleucine, cis-crotylglycine, trans-crotylglycine, 2-aminoheptanoic acid, 2-butynylglycine and allylglycine.

A discharge capacity retention of a non-aqueous secondary battery is enhanced by incorporating into its non-aqueous electrolytic solution a small amount of a substituted diphenyldisulfide derivative in which each of the diphenyl groups has a substituent such as alkoxy, alkenyloxy, alkynyloxy, cycloalkyloxy, aryloxy, acyloxy, alkanesulfonyloxy, arylsulfonyloxy, alkoxycarbonyloxy, aryloxycarbonyloxy, halogen, CF3, CCl3, or CBr3. Preferably, a small amount of methyl 2-propylcarbonate, 2-propynyl methanesulfonate, 1,3-propanesultone, divinylsulfone, 1,4-butanediol dimethanesulfonate or cyclohexylbenzene is further incorporated.

Highly concentrated, water-based dispersions of certain lipophilic and / or hydrophobic antimicrobially active materials are stabilized to a surprising degree by a surfactant combination including a nonionic acrylic graft copolymer surfactant and a alkoxylated polyarylphenol phosphate ester surfactant. The active materials may be present in dispersion concentrates of the present invention singly or in useful combinations. The active materials are selected from the group of fungicides and bactericides consisting of 1,2-benzisothiazol-3(2H)-one; 2-octyl-2H-isothiazol-3-one; 5-chloro-2-methyl-2H-isothiazol-3 -one; 2-methyl-2H-isothiazol-3-one; pyrithione zinc; 3-iodo-2-propynyl butylcarbamate; 2-methylthio-4-ethylamino-6-tert-butylamino-s-triazine; and 3-(4-isopropylphenyl)-1,1-dimethylurea, and mixtures thereof. The dispersion concentrates may be efficiently shipped and stored, and subsequently diluted with water to produce less concentrated dispersions when desired. Even at relatively high concentrations, the dispersion compositions of the present invention can be stored for months or years without significant loss of stability.

A nonaqueous electrolyte secondary battery comprising a negative electrode constituted of a carbonaceous material permitting reversible insertion and desorption of lithium, a positive electrode permitting reversible insertion and desorption of lithium, a separator separating these positive electrode and negative electrode from each other and a nonaqueous electrolyte composed of an organic solvent and, dissolved therein, a solute of lithium salt, wherein the nonaqueous electrolyte contains vinylene carbonate and di(2-propynyl) oxalate, these vinylene carbonate and di(2-propynyl) oxalate added in an amount of 0.1 to 3.0% by mass and 0.1 to 2.0% by mass, respectively, based on the mass of the nonaqueous electrolyte. Thus, there can be provided a nonaqueous electrolyte secondary battery wherein a stable SEI surface coating is formed to thereby exhibit a large initial capacity and excel in cycle characteristics at high temperature and wherein any cell swelling is slight.

The invention provides a 1-(7-ethoxycoumarin)-4-(2-methyl-8-methoxyquinoline)-1, 2, 3-triazole ratiometric fluorescence or ratiometric ultraviolet absorption probe agent and preparation and application thereof, and belongs to the technical fields of organic synthesis and analytic chemistry. The preparation method is characterized in that an intermediate, namely, 2-methyl-8-(propyn-2-yl alkoxy) quinoline, reacts with 7-(2-azidoethoxy)-coumarin to obtain a compound a of which triazolyl is connected with two fluorophores, namely, coumarin and quinoline, wherein the compound is 1-(7-ethoxycoumarin)-4-(2-methyl-8-methoxyquinoline)-1, 2, 3-triazole. The preparation method has the advantages that the reaction raw materials are easy to obtain, the synthesis method is simple, and the compound can be obtained by three-step reaction; the compound a generates ratiometric fluorescence at 480nm and 390nm in alcohol / aqueous solution, and trace Al<3+> can be measured accordingly; ratiometric ultraviolet absorption is produced at 253nm and 243nm, and trace Al<3+> can be measured accordingly. The probe agent is the probe agent being high in sensitivity, high in accuracy and high in selectivity and used for detecting Al<3+> ions through ratiometric fluorescence and ratiometric ultraviolet absorption. The structure formula of the compound a is as shown in the specification.

Disclosed is a topical skin cleanser comprising Silybum marianum fruit extract, Momordica grosvenorii fruit extract, and a cosmetic vehicle comprising at least 50% by weight of the composition of water and disodium EDTA, glycerin, phenoxyethanol, triethanolamine, 3-Iodo-2-propynyl butyl carbamate, and benzyl alcohol.

Microparticles containing an ultraviolet light absorbing polymer and 3-iodo-2-propynyl butylcarbamate (“IPBC”) resist discoloration by sunlight and other ultraviolet light sources. Methods for preparing the microparticles produce polymer-shielded, formaldehyde-free IPBC formulations which resist discoloration and leaching, and are especially useful in water-based applications. The microparticles include a polymer that absorbs light over a range of ultraviolet wavelengths associated with IPBC discoloration. The microparticles may be utilized in paints, stains, stuccoes, adhesives, and plastics, for example.

A process for the preparation of (2R)-2-propyloctanoic acid which is characterized by subjecting (2S)-2-(2-propynyl)octanoic acid or (2S)-2-(2-propenyl)octanoic acid to reduction using platinum on carbon. This process gives (2R)-2-propyloctanoic acid having high optical purity without isomerization.

A synergistic antimicrobial composition containing 3-iodo-2-propynyl-butylcarbamate and fluometuron.

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 provides poly(gamma-propynyl-L-glutamate) block copolymer. The block copolymer contains a block A shown in the formula (I) and a block B shown in the formula (II). The poly(gamma-propynyl-L-glutamate) block copolymer is AB block copolymer, wherein the number average molecular weight of the block A is 550-10000, the number average molecular weight of the block B is 800-20000, and the weight percentage of the block B to the block copolymer is 25%-75%. The invention also provides a preparation method of the poly(gamma-propynyl-L-glutamate) block copolymer and poly(gamma-propynyl-L-glutamate) block copolymer hydrogel. Compared with the prior art, the block copolymer provided by the invention contains propynyl, thus the application range of the block copolymer can be expanded.

A herbicide comprising as an active ingredient a sulfonanilide compound represented by the formula:wherein,R1 represents CHF2 or CH2CF3; R2 represents hydrogen, C1-3 alkyl, 3-propenyl, or 3-propynyl; R3 represents hydrogen; R4 represents hydrogen, hydroxy, or methylthio, or R3 and R4, together with a carbon atom to which they are bonded, may form C═O; R5 represents halogen or methyl; X represents methoxy or chlorine; and Z represents CH or N;with the proviso that,(i) when R1 represents CH2CF3, R2 represents hydrogen, R5 represents bromine or iodine, X represents methoxy, and Z represents CH,(ii) when R1 represents CHF2 and X represents methoxy, R5 represents bromine or iodine, Z represents N, and R2 represents C1-3 alkyl, 3-propenyl, or 3-propynyl,(iii) when R1 represents CHF2 and X represents chlorine, Z represents CH.

The invention discloses a kitchen wet tissue complex formulation liquid and a preparation method thereof. The wet tissue complex formulation liquid comprises the following substances by weight percentage: 30-60% of environmental protection solvent, 2-4% of nonionic surfactant, 3-8% of anionic surfactant, 0.5-2% of organosilicon antifoaming agent, 0.5-2% of protection film, 0.05-0.1% of iodine propiolic n-butyl carbamate, 0.05-1% of diazolidinyl urea, 0.05-1% of 1,3 dihydroxytoluene-5,5-dimethyl hydantoin and the balance of RO water. The invention also provides a preparation method of the kitchen wet tissue complex formulation liquid. The kitchen wet tissue complex formulation liquid has the advantages of environmental protection, easy biodegradation, strong cleaning capability, no peculiar smell, little foam, no stimulation and no sticky hand feeling, a protection layer is formed on a hard surface, the kitchen wet tissue complex formulation liquid has antifouling characteristic and is convenient for cleaning at next time.

The invention discloses a composite concrete additive aqua antiseptic agent, belonging to the cement product technology field. The antiseptic agent comprises following components: A. iodo propynylbutyl carbamate; B. methyl dibromo pentanedinitrile; C. sulfamic acid water reducing agent with the solid content of 30% and synthesized by the phenol and the sodium p-toluenesulfonate; D. oxidized sodium lignosulfonate with the solid content of 30%. The invention has the following advantages of broadspectrum sterilization, such as bacteria (gram positive bacteria and gram negative bacteria), fungi, and yeast; stabilization and availability in a wide pH value range; excellent physical and chemical compatibility; non-color changing in the container and the lacquer film; low toxicity in the recommended addition level and biological degradation.

The invention belongs to a wood and bamboo material corrosion and mold prevention modified combination agent and a wood and bamboo material treating method. The wood and bamboo material corrosion andmold prevention modified combination agent comprises, by weight, 0.04-0.10 part of triazole, 0.05-0.12 part of 3-iodo-2-propynyl butylcarbamate, 1-6 parts of water soluble dyes, 1-6 parts of dyeing assistants, 1-6 parts of fire retardants and 1-10 parts of polymerization inhibitors. A wood and bamboo material treated through the modified combination agent can simultaneously have the functions of corrosion prevention, mold prevention, dyeing, inflaming retarding and pharmaceutical composition loss resistance, and has the advantages of easy operation, easy implementation, low preparation and using cost, good durability and long service life.

The invention is a leather composite bactericidal mould inhibitor, and especially is the preparation of the leather composite bactericidal mould inhibitor by using quaternary ammonium salt compounds, 2-bromo-2-nitro-1,3-propanediol, iodo propynyl butylcarbamate, trilon B, a corrosion inhibitor, ethanol and water; the leather composite bactericidal mould inhibitor of the invention comprises the following components by mass: 1%-10% of quaternary ammonium salt compounds, 0.05%-3% of trilon B, 0.1-2% of 2-bromo-2-nitro-1,3-propanediol, 1%-50% of ethanol, 0.05%-5% of iodo propynyl butylcarbamate, 0.1%-20% of corrosion inhibitors, and the balance of water. The purpose of the invention is to provide the preparation of the leather composite bactericidal mould inhibitor, and the preparation comprises the following steps: mixing the quaternary ammonium salt compounds, 2-bromo-2-nitro-1,3-propanediol, and trilon B according to the mass percents with water which accounts for 50% of the balance of water, stirring for 3 hours to prepare a mixed substance A; mixing iodo propynyl butylcarbamate, the corrosion inhibitor, and ethanol according to the mass percents with the rest of water, stirring for 3 hours to prepare a mixed substance B; stirring the mixed substance A and the mixed substance B for reaction for 2 hours, allowing the mixture to stand for 2 hours, performing content determination of the mixed mixture, packaging the qualified mixture to obtain a qualified product. The purpose of the invention is also to dilute the leather composite bactericidal mould inhibitor with a dilution proportion of 50-500 times.

The invention belongs to the technical field of organic materials and discloses a dihydroxy fluorescence chain extender based on a carbazole derivative and preparation and application thereof. The method comprises the following steps: (1) under alkaline condition, an organic solvent is used as a reaction medium, carbazole and propargyl bromide react and subsequent processing is carried out to obtain an intermediate 9-propynyl carbazole; the molar ratio of carbazole to propargyl bromide is 1: 1.1-2; and (2) in the atmosphere of inert gas and in the presence of a catalyst and a reducing agent, the intermediate 9-propynyl carbazole and dihydroxy azide react in a solvent, and subsequent processing is carried out to obtain the dihydroxy fluorescence chain extender based on the carbazole derivative. The chain extender has high yield, has high fluorescence intensity and good anti-ultraviolet stability, and is used in manufacturing of a fluorescence WPU emulsion.