316 results about "Cyclic ketone" patented technology

The present invention relates to reactive compositions containing A) one or more blocked polyurethane prepolymers which have a content of blocked isocyanate groups (calculated as NCO) of 0.1 to 20 wt. % and are prepared from i) at least one aromatic, aliphatic, araliphatic and/or cycloaliphatic diisocyanate having a content of free NCO groups of 5 to 60 wt. %, ii) a polyol component containing at least one polyester polyol, and/or at least one polyether polyol and/or at least one polycarbonate polyol,

iii) CH-acidic cyclic ketones corresponding to formula (I) as blocking agents

wherein X represents an electron-attracting group,

• R¹ and R² independently of one another represent the radicals H,
• C₁-C₂₀ (cyclo)alkyl, C₆-C₂₄ aryl, C₁-C₂₀ (cyclo)alkyl ester or amide, C₆-C₂₄ aryl ester or amide, mixed aliphatic/aromatic radicals with 1 to 24 carbon atoms that can also be part of a 4- to 8-membered ring, n is an integer from 0 to 5, and B) one or more OH-functional compounds in which the OH component undergoes activation by a deposition amine component. The present invention also relates to a composite system containing two adherends bonded together with the reactive composition according to the invention.

Provided are a leave-on hair cosmetic composition, containing the following components (A), (B) and (C): (A) an organic dicarboxylic acid or salt thereof, (B) an organic solvent selected from aromatic alcohols, N-alkylpyrrolidones, alkylene carbonates, polypropylene glycols having a number average molecular weight of from 100 to 1000, lactones and cyclic ketones, and

(C) an organopolysiloxane having an organopolysiloxane segment and a poly(N-acylalkyleneimine) segment having a recurring unit represented by the following formula (1):

(wherein, R¹:H, C_1-22 alkyl, cycloalkyl, aralkyl or aryl, and n: 2 or 3), wherein the latter segment has been bonded to at least one silicon atom of the former segment via a hetero-atom-containing alkylene group; having the organopolysiloxane segment and the poly(N-acylalkyleneimine)segment at a weight ratio of from 98/2 to 40/60; and having a weight average molecular weight of from 50,000 to 500,000; and a hair treating method with the composition.

The hair cosmetic composition of the invention can essentially improve the hair quality, give excellent luster, manageability, setting property to the hair, and also give excellent flexible hair feel and elasticity.

Control or repellency of bed bugs by bringing the bed bugs into contact with a bed bug control formulation containing at least one compound selected from the group consisting of certain alkyl ketones and cyclic ketones wherein the total number of carbon atoms in the alkyl ketones and cyclic ketones is from 10 to 16 carbon atoms and method for achieving such control or repellency.

An activator composition for the accelerated hardening of cyanoacrylate adhesives, wherein the activator comprises a member selected from the group consisting of: aromatic heterocyclic compounds having at least one N hetero atom in the ring(s) such as pyridines, quinolines and pyrimidines and substituted on the ring(s) with at least one electron-withdrawing group which decreases the base strength of the substituted compound compared to the corresponding unsubstituted compound, mixtures of any of the foregoing with each other, and/or with N,N-dimethyl-p-toluidine, and mixtures of any of the foregoing and/or N,N-dimethyl-p-toluidine with an organic compound containing the structural element, —N═C—S—S—, such as dibenzothiazyl disulfide. 6,6′dithiodinicotinic acid, 2,2′-dipyridyl disulfide, and bis(4-t-butyl-1-isopropyl-2-imidazolyl)disulfide. An activator composition may comprise a solution of one or more activators in a solvent mixture which comprises a volatile hydrocarbon and a cyclic ketone.

The present invention relates to the field of molecular sieves, and mainly provides a titano-silicon-alumina molecular sieve and its preparation method and application. The titano-silicon-alumina molecular sieve contains aluminum, titanium, silicon and oxygen, and its pore volume is 0.3 cm ³ /g or more, the total specific surface area is 200m ² /g or more, the outer area is 30m ² /g or more, and the ratio of the outer surface area to the total specific surface area is 10-55%; ₀ = 0.10 and the adsorption time is 1h, the measured benzene adsorption is at least 65mg/g molecular sieve, N ₂ Under the static adsorption test, it has a micropore size distribution in the range of 0.9-2.0nm. The invention also provides a method for oxidizing cyclic ketones. The titano-silicon-alumina molecular sieve with special physical and chemical characteristic structure of the present invention has the advantages of high benzene adsorption capacity and micropore pore size distribution in the range of 0.9-2.0nm, for example, it is used for cyclic molecules, especially cyclic ketone molecules to participate or The generated reaction can achieve better catalytic effect.

The invention relates to an aqueous hair cleansing agent comprising the following components (A), (B), (C), and water and having a pH of 2 to 5 at 25° C. when diluted 20-fold by mass with water:

(A) an internal olefin sulfonate,

(B) an organic solvent selected from the group consisting of the following (B1) to (B5):

• • (B1) an aromatic alcohol,
  • (B2) a polypropylene glycol,
  • (B3) a N-alkyl pyrrolidone,
  • (B4) an alkylene carbonate,
  • (B5) a lactone or a cyclic ketone, and

(C) an organic carboxylic acid selected from the group consisting of a hydroxymonocarboxylic acid and dicarboxylic acid.

The invention belongs to the field of titanium silicon molecular sieve, and more specifically provides a titanium silicon molecular sieve, and a preparation method and applications thereof. The titanium silicon molecular sieve is composed of nanometer grade hollow crystal particles with a particle size ranging from 10 to 150nm via aggregation; the largest diameter of the cavity of the nanometer grade hollow crystal particles is larger than 2nm; the I960/I550 value of the titanium silicon molecular sieve is 0.7 to 0.85. The invention also provides a cyclic ketone oxidation method. The cyclic ketone oxidation method comprises a step of contact of cyclic ketone, and an oxidizing agent with a catalyst. The catalyst contains the titanium silicon molecular sieve. The crystal of the titanium silicon molecular sieve is composed of small crystal particles via aggregation, the stability of the aggregated crystal particles is excellent, no dispersion is caused in using process, the mechanical strength is high, and the stability in an inorganic alkaline solution is high.

The invention relates to a method for producing monocyclic ketones C₄-C₅. The inventive method is based on the reaction of a liquid-phase oxidation of monocyclic alkenes C₄-C₅ into corresponding cyclic ketones by nitrogen oxide or the mixture thereof with an inert gas. The process is carried out at a temperature ranging from 20 to 300° C. and a pressure of nitrogen oxide ranging from 0.01 to 100 atm. The inventive process ensures the high selectivity with respect to target products, the explosion safety at work and is promising for industrial use.

The invention provides an intermediate for preparing eribulin and a preparation method thereof. A novel intermediate is introduced into the eribulin synthesis route, which comprises more than 60 steps. The advantages of various routes in the prior art are integrated so as to industrially produce (macro-cyclic ketone) eribulin, which is difficult to synthesize.

Provided is a leave-on hair cosmetic composition, which contains the following components (A) and (B): (A) an organic C_2-8 dicarboxylic acid or salt thereof, and (B) at least one of more of an organic solvent selected from the group consisting of aromatic alcohols, N-alkylpyrrolidones, alkylene carbonates, polypropylene glycols, lactones and cyclic ketones, wherein the organic solvent has a C log P of from −2 to 3; and wherein the cosmetic composition has a pH of from 2 to 5 at 25° C. when diluted to 20 times the weight with water and has a buffering capacity of 0.001 gram equivalent/L or greater but less than 0.2 gram equivalent/L. The present invention also relates to a hair quality improving method which comprises treating the hair with the hair cosmetic composition. The hair cosmetic composition of the present invention can provide benefits such as luster, manageability, pliability and elasticity to the hair which is apt to be dry, having lost water therefrom owing to damage by coloring, permanent waving, or repetitive excessive blow drying.

A composition and method for acidizing a formation in the presence of ferric ion, free sulfur and/or sulfides is disclosed. The composition employs a ferric ion reducing agent and a sulfide reactant separately or in combination. The ferric ion reducing agent is a thioalkyl acid. The sulfide reactant compounds include alpha-diketones and saturated and alpha-unsaturated cyclic ketones. In another aspect, the reducing activity of the thioalkyl acid is accelerated by the presence of a catalytic quantity of a compound or mixture of compounds which yield in acid solution cuprous ion, cupric ion or combinations thereof with iodide ion.

The present invention relates to cyclic ketones represented by the following formulaand to drugs in which an effective component is such a cyclic ketone or a pharmacologically acceptable salt thereof.The cyclic ketones of the present invention encourage the production of blood platelets, leukocytes and erythrocytes, and can be employed in the prevention or treatment of cytopaenia brought about by cancer chemotherapy, radiotherapy or drug therapy, or by immunological abnormality, anaemia and the like.

The invention relates to the field of catalytic materials and in particular provides a titanium silicalite molecular sieve, a synthetic method and application of the titanium silicalite molecular sieve. The titanium silicalite molecular sieve is composed of the following elements in percentage by mass: 0.01-5% of precious metals, silicon, 0.02-8% of titanium and oxygen, wherein the I960/I550 valueis 0.6-0.9; the U480/U330 value is 0.5-5; and the N-116/N-112 value is 0.01-0.2. The invention further provides a cyclic ketone oxidation method. The cyclic ketone oxidation method comprises the following step: contacting cyclic ketone, an oxidizing agent and a catalyst, wherein the catalyst contains the titanium silicalite molecular sieve disclosed by the invention. Compared with the prior art,the titanium silicalite molecular sieve disclosed by the invention has the advantages that diffusion of the reactants and product is facilitated in an oxidation reaction, so that oxidative activity isfully achieved, and the selectivity is improved. For example, when applied to a reaction in which ring molecules, particularly cyclic ketone molecules, participate or are produced, the titanium silicalite molecular sieve can achieve excellent catalytic effects. Moreover, filtration and separation of the catalyst after the reaction can be further facilitated, and industrialized application is easily realized.

The invention belongs to the field of titanium silicon molecular sieve, and more specifically provides a titanium silicon molecular sieve, and a synthetic method and applications thereof. The titaniumsilicon molecular sieve is composed of crystal particles with a particle size ranging from 5 to 200nm via aggregation; the particle size of the titanium silicon molecular sieve ranges from 0.3 to 5<mu>m; the I960/I550 value ranges from 0.7 to 0.85. The invention also provides a cyclic ketone oxidation method. The cyclic ketone oxidation method comprises a step of contact of cyclic ketone, and anoxidizing agent with a catalyst. The catalyst contains the titanium silicon molecular sieve. The crystal of the titanium silicon molecular sieve is high in I960/I550 value, and is large in effective framework ti content. When the titanium silicon molecular sieve is used in oxidation reaction, the catalytic oxidation activity, and the reaction product selectivity are increased obviously, and excellent catalytic stability is achieved. The titanium silicon molecular sieve is capable of realizing aggregation of small crystal particles in crystallization growth process instead of simple physical aggregation of the small crystal particles, and micron order is achieved.

Provided is a leave-on hair cosmetic composition, which contains the following components (A), (B) and (C):

• • (A) an organic C_2-8 dicarboxylic acid or salt thereof, (B) at least one or more of an organic solvent selected from the group consisting of aromatic alcohols, N-alkylpyrrolidones, alkylene carbonates, polypropylene glycols, lactones and cyclic ketones, wherein the organic solvent has a ClogP of from −2 to 3, and (C) an edetic acid or a salt thereof, wherein the cosmetic composition has a pH of from 2 to 5 at 25° C. when diluted to 20 times the weight with water. The present invention also relates to a hair quality improving method which includes treating the hair with the hair cosmetic composition. The hair cosmetic composition of the present invention can provide benefits such as luster, manageability, pliability and elasticity to the hair which is apt to be dry, having lost water therefrom owing to damage by coloring, permanent waving, or repetitive excessive blow drying.

Provided is a hair cosmetic composition, which contains: (A) an organic polycarboxylic acid having from 5 to 40 carbon atoms in total and from 4 to 10 carboxy groups, or a salt thereof, and (B) an organic solvent selected from the group consisting of aromatic alcohols, N-alkylpyrrolidones, alkylene carbonates, polypropylene glycols, lactones and cyclic ketones, wherein the solvent has a ClogP of from −2 to 3; which composition has a pH of from 2 to 5 at 25° C. when diluted to 20 times the weight with water; and a hair quality improving method including the step of treating the hair with the hair cosmetic composition. The hair cosmetic composition of the present invention can provide benefits such as strength/body, manageability, and set retention property to the hair which is apt to be dry and moistureless owing to damage by coloring, permanent waving, or repetition of excessive blow drying.

A polymeric compound having a repeated unit corresponding to an unsaturated carboxylic acid hemiacetal ester represented by the following formula (1);

wherein R^a is a hydrogen atom, a halogen atom, an alkyl group of carbon number 1 to 6 or a haloalkyl group of carbon number 1 to 6, R^b is a hydrocarbon group having a hydrogen atom at a first poison, R^c is a hydrogen atom or a hydrocarbon group and R^d is an organic group having a cyclic skeleton. This polymeric compound, further, may have a repeated unit corresponding to at least one monomer selected from a monomer having a lactone skeleton, a monomer having a cyclic ketone skeleton, a monomer having an acid anhydride group and a monomer having an imide group [except for a repeated unit corresponding to the said unsaturated carboxylic acid hemiacetal ester] and/or a repeated unit corresponding to at least one monomer selected from a monomer having a hydroxyl group and others. This polymeric compound shows superior acid-eliminating function in case of using as photoresist.

Provided is a hair cosmetic composition, which contains the following components (A) and (B): (A) a hydroxy-free tricarboxylic acid having from 4 to 20 carbon atoms in total, or salt thereof, and (B) at least one or more organic solvents selected from the group consisting of aromatic alcohols, N-alkylpyrrolidones, alkylene carbonates, polypropylene glycols, lactones and cyclic ketones, wherein the organic solvent has a ClogP of from −2 to 3; and wherein the hair cosmetic composition has a pH of from 2 to 5 at 25° C. when diluted to 20 times the weight with water. Provided also is a hair quality improving method which comprises treating the hair with the hair cosmetic composition. The hair cosmetic composition of the present invention can for example give strength/body, manageability, and set retention property to the hair which is apt to be dry and moistureless owing to the damage by coloring, permanent waving, or repetition of excessive blow drying.

The invention provides a method for catalytically oxidizing cyclic ketone. The method is characterized in that reaction is carried out in the presence of a catalyst under the conditions that molar ratio of cyclic ketone to solvent to hydrogen peroxide is 1: (0-50): (0.2-20), temperature is 5-200 DEG C and reaction pressure is 0.1-3.0MPa, wherein the catalyst is a tin-supported pickled aluminum nano Beta-molecular sieve and the mass ratio of the catalyst to the cyclic ketone is 1: (5-300).

The invention relates to a method for preparing corresponding diacid by cyclone oxide, and is characterized in that a composition composed of a titanium-silicon molecular sieve and multiple-metal oxyacid or a salt thereof are taken as a catalyst, under the temperature of 10 DEG C-160 DEG C and the pressure of 0.1-2.0 MPa, cyclic ketones, hydrogen peroxide, a solvent and the catalyst are reacted according to a mol ratio of 1: 0.1-10 of cyclic ketones to hydrogen peroxide, a mass ratio of 1-1000:1 of solvent to catalyst and a mass ratio of 1-100:1 of cyclic ketones to catalyst. The method has the advantages of high conversion rate of cyclic ketones, good selectivity of corresponding diacid, good catalytic activity and stability. The preparation method is an environment-friendly synthetic process, and has a simple production process which is suitable for industrial production and application.

Blocked polyisocyanates, their preparation and use in one-component coating materials. In organic polyisocyanates having at least two isocyanate groups, the isocyanate groups are blocked with OH acidic cyclic ketones of the general formula (I). The blocked polyisocyanate system of the invention reacts without elimination of the blocking agent and possesses low crosslinking temperatures.