153 results about "1,6-Hexanediol" patented technology

An ink for ink jet recording and an ink jet recording method which realize an image quality of laser printer on a plain paper in a one-pass printing mode under conditions of a volume of an ink droplet ejected being 5 to 43 Pico liter, a velocity of an ink droplet being 6 to 20 m/sec, frequency of 1 kHz and resolution of 300 dpi or more. The ink for ink jet recording is a penetrating type ink which comprises (1) at least one humectant selected from glycerin, 1,3-butandiol, triethyleneglycol, 1,6-hexanediol, propyleneglycol, 1,5-pentanediol, diethyleneglycol, dipropyleneglycol, trimethylolpropane and trimethylolethane, (2) colorant contained in the amount of 6 % by weight or more, (3) a polyol having 8 to 11 carbon atoms and glycolether, and an anionic surfactants or non-ionic surfactants, the ink has viscosity of 5 mPa.s or more at 25° C. and a surface tension of 40 mN/m or less.

The invention relates to the compound fertilizer field, and particularly relates to a high-quality strawberry planting dedicated slow-release compound fertilizer. The fertilizer is prepared from the following raw materials in parts by weight: 10-15 parts of a 1250-2000 mesh diatomite, 4-5 parts of borax, 2-3 parts of ammonium molybdate heptahydrate, 10-12 parts of sodium humate, 20-25 parts of urea, 18-22 parts of potassium nitrate, 25-28 parts of organic compost, 2-4 parts of fish meal, 1-3 parts of sesame leaves, 8-10 parts of alfalfa meal, 15-18 parts of corn distiller grains, 2-4 parts of brine, 8-10 parts of an erythromycin fungi residue, 1-2 parts of an EM microbial agent, 4-6 parts of a fern root residue, 1-3 parts of nano silver, 1-2 parts of a semen ginkgo powder, 4-6 parts of 1,6-hexanediol diacrylate, 10-12 parts of an acrylic resin dispersion liquid, 1-2 parts of isocyanate, 1-2 parts of calcium stearoyl lactate, 2-4 parts of zinc gluconate, 6-8 parts of table vinegar, and 4-5 parts of an auxiliary agent. The compound fertilizer has multiple nutrients, is low in production cost and good in slow-release effect, allows double coating to be formed on the nutrients by utilizing diatomite and a coating agent in the process, also contains various trace elements, has no toxicity and no pollution, and is excellent in quality of planted strawberry and obvious in yield and income increasing effects.

The invention discloses a method for preparing 1, 6-hexanediol by hydrogenating 1, 6-dimethyl adipate, which is characterized by comprising the following steps and metering in parts by weight: 1000 to 10000 parts of oxide is as a carrier, 100 to 200 parts of heavy metal and 40 to 400 parts of co-catalyst metal salt are immersed for 12h at a room temperature to be pumped, filtered, vacuum dried and calcined to obtain a loaded heavy metal catalyst; 1 to 30 parts of the catalyst and 20 to 400 parts of solvent are filled into a reaction kettle, high-pure hydrogen is used for replacing oxygen in the reaction kettle for 3 to 5 times, the catalyst is activated for 2 to 8h under the temperature of 100 to 200 DEG C, pressure of 1.0 to 3.0 MPa and the blending speed of 200 to 1000 rpm, 50 to 200 parts of 1, 6-dimethyl adipate is filled into the reaction kettle after the reaction kettle is opened, the high-pure hydrogen is again used for replacing the oxygen inside the reaction kettle for 3 to 5 times to be reacted for 5 to 12h under the temperature of 150 to 220 DEG C, the pressure of 3.0 to 5.0 MPa and the blending speed of 500 to 1000rpm, and reaction solution is taken out to analyze; and the conversion rate is 60.0 to 99.9 percent, and the selectivity is 70.0 to 99.9 percent.

The invention discloses a light-cured three dimensional printing material and a preparation method thereof. The light-cured three dimensional printing material comprises, by mass, 40-45 parts of polyester modified epoxy acrylate, 8-12 parts of cycloaliphatic epoxy resin, 8-10 parts of trihydroxymethylpropyl trimethylacrylate, 16-20 parts of 1,6-hexanediol diacrylate, 2-8 parts of triethyleneglycol divinyl ether, 1.5-2 parts of isopropylthioxanthone, 1.5-2 parts of 2-phenyl-2,2-dimethylamino-1-(4-morpholinylphenyl)-1-butanone, 1.5-2 parts of a reactive tertiary amine co-initiator, 0.5-2.7 parts of 4-isobutylphenyl-4'-methylphenyliodonium hexafluorophosphate, 0.5-2 parts of an anthraquinone derivative, 0.5-2 parts of a promoter and 4-8 parts of a flexibilizer. Shaped parts made by using the light-cured three dimensional printing material have the advantages of low shrinkage, high toughness and high shaping precision.

An ink for use in combination with an ink-jet printer comprises a mixture including a colorant, a liquid vehicle comprising 1,6-hexanediol and 1,5-pentanediol in a ratio in the range of 1:4 (wt/wt) to 4:1 (wt/wt), and/or an amount of imidazole in the range of 0.1 wt % to 6 wt %, and potentially provides at least one of the following enhancements to the ink improved print quality, increased decap time, pen reliability, environmental robustness of ink in pen, environmental robustness of printed ink on media, and aid in maintaining the pH of the ink in a desired range.

A lithium microbattery comprises a packaging thin layer formed by a matrix of polymer material in which metallic particles are dispersed. The packaging thin layer constitutes at least a part of the anodic current collector of the lithium microbattery. The polymer material is advantageously obtained from at least a photopolymerizable precursor material chosen from bisphenol A diglycidylether, bisphenol F butanediol diglycidil ether, 7-oxabicylco[4.1.0]heptane-3-carboxylate of 7-oxabicylco[4.1.0]hept-3-ylmethyl and a mixture of bisphenol A and epichloridine. It can also be a copolymer obtained from a homogenous mixture of at least two photopolymerizable precursor materials, respectively acrylate-base, such as diacrylate 1,6-hexanediol and methacrylate, and epoxide-base, for example chosen from bisphenol A diglycidylether, 7-oxabicylco[4.1.0]heptane-3-carboxylate of 7-oxabicylco[4.1.0]hept-3-ylmethyl and a mixture of bisphenol A and epichloridine.

A thermoplastically processable polyurethane molding material which is composed of a blend of at least two thermoplastic polyurethane, with at least 5 percent by weight, as a component A, being composed of a thermoplastic polyurethane which is obtained by reacting one or a plurality of aliphatic polyols which have a molecular weight of 800 to 4000 g/mol and a hydroxyl number of 20 to 235 and which are selected from the group of polyadipates, polycaprolactones, polycarbonates, polytetrahydrofurans and corresponding copolymers or mixtures thereof with 1,6-hexamethylene diisocyanate and the chain-extending agent 1,6-hexanediol in an equivalent ratio of the 1,6-hexamethylene diisocyanate to the polyol of 1.5:1 to 14.0:1, the NCO index formed from the quotient, which is multiplied by 100, of the equivalent ratios of isocyanate groups to the sum of the hydroxyl groups of polyol and chain-extending agent lying within a range of 96 to 105, and 100 percent by weight of the rest, as a component B, being composed of one or a plurality of further thermoplastic polyurethane which is obtained by reacting one or a plurality of aliphatic polyols which have a molecular weight of 800 to 4000 g/mol and a hydroxyl number of 20 to 235 and which are selected from the group of polyadipates, polycaprolactones, polycarbonates, polytetrahydrofurans and corresponding copolymers or mixtures thereof with the diisocyanates: 1,6-hexamethylene diisocyanate, isophorone diisocyanate, dicyclohexylmethane diisocyanate, diphenylmethane diisocyanate and a chain-extending agent selected from the group of 1,4-butanediol, 1,5 pentanediol, 1,4-cyclohexanediol, bis(hydroxymethyl)cyclohexane, bis(hydroxyethyl)hydroquinone, polycaprolactone having a number average molecular weight of 350 to 600 g/mol and polytetrahydrofuran having a number average molecular weight of 200 to 600 g/mol in an equivalent ratio of the diisocyanate to the polyol of 1.5:1 to 14.0:1, the NCO index formed from the quotient, which is multiplied by 100, of the equivalent ratios of isocyanate groups to the sum of the hydroxyl groups of polyol and chain-extending agent lying within a range of 96 to 105.

The invention discloses a UV (ultraviolet) varnish and a preparation method thereof. The UV varnish is composed of the following raw materials in parts by weight: 50-60 parts of polyurethane acrylate, 10-20 parts of epoxy acrylate, 10-15 parts of ethyl acetate, 8-10 parts of toluene, 2-4 parts of 1,6-hexandiol diacrylate, 2-3 parts of tripropylene glycol diacrylate, 2-4 parts of 1-hydroxy-cyclohexy-phenyl ketone, 1-2 parts of 2,4,6-trimethyl benzoyl ethyl phenyl phosphoinate, 1-2 parts of zinc dialkyl dithiophosphate, 0.8-1 part of poly(butyl acrylate), 0.8-1 part of ehtanediamine, 0.8-1 part of N-2-(aimno ethyl)-3-aminopropyl trimethoxy silane, 0.8-1 part of ehtanediamine tetramethylene phosphornic acid sodium salt, 0.3-0.5 part of plant ash, 3-5 parts of modified complexing agent, and 2-4 parts of light calcium carbonate. The paint produced by the method disclosed by the invention is strong in adhesive force, good in paint film hardness and gloss, and strong in cold-heat circulating resistance, alcohol resistance and wear resistance; and the physical property of the paint film is further enhanced by the added modified complexing agent and light calcium carbonate.

The invention belongs to the field of paint and in particular relates to ultraviolet curable water-based paint used for wooden products. The water-based paint comprises the following raw materials in parts by weight: 40-65 parts of water-based polyurethane acrylate, 10-15 parts of rosin-based hyperbranched polyester acrylic resin, 5-10 parts of 1,6-hexanediol diacrylate, 5-10 parts of acrylic resin, 5-10 parts of nano aluminium oxide dispersion, 2-4 parts of photoinitiators, 0.2-0.5 part of levelling agent, 10-20 parts of water-based organic assistants, 0.2-0.5 part of anti-settling agent, 0.5-1 part of defoaming agent and 10-15 parts of graphene. The water-based paint can meet the requirements of high performance and environmental protection, has high gloss and longer valid time, and has good compatibility with ultraviolet curable resin.

A method is provided for obtaining highly pure 1,6-hexanediol in which the contents of impurities such as 1,4-cyclohexanediol, 1,5-hexanediol, 1,2-cyclohexanediol, 1,7-pentanediol, 1,5-pentanediol and high boiling point components are significantly reduced.

This process for producing 1,6-hexanediol from cyclohexane comprises the steps of:

• • (1) treating an aqueous extraction concentrate of a reaction mixture obtained by oxidation of cyclohexane with a lower alcohol to esterify monocarboxylic acids and dicarboxylic acids contained in the extract, and simultaneously remove and separate by distillation water, excess lower alcohols and carboxylic acid esters; (2) converting oligomer esters contained in the bottom liquid to carboxylic acid esters by depolymerizing the oligomer esters at a high temperature and high pressure in the presence of a lower alcohol and a catalyst; and (3) hydrogenating the carboxylic acid esters distilled off in the step (1) and the carboxylic acid esters obtained in the step (2) either respectively or collectively to convert to 1,6-hexanediol.

Disclosed is an adhesive which enables to obtain a bonded optical disk, wherein optical disks having a total reflection film or a translucent reflection film made of silver or a silver alloy are bonded together, which exhibits high adhesion strength between the reflection film and a cured product of the adhesive as well as between a polycarbonate substrate and the cured product of the adhesive, while having high durability equivalent to those of the conventional optical disks using translucent reflective film made of gold. Specifically disclosed is an ultraviolet-curable adhesive resin composition containing a bisphenol-type epoxy (meth)acrylate (A), a di(meth)acrylate (B) and a photopolymerization initiator (C) which is characterized in that the di(meth)acrylate (B) is composed of one or more selected from a di(meth)acrylate (B-1) having an adipate structure, a di(meth)acrylate (B-2) having a caprolactone-modified structure, an alkylene oxide-modified neopentyl glycol di(meth)acrylate compound (B-3) and an alkylene oxide-modified 1,6-hexanediol di(meth)acrylate compound (B-4).

The invention relates to a method for producing hexamethylenediamine, wherein a) a muconic acid starting material is provided, which is selected from among muconic acid, esters of muconic acid, lactones of muconic acid, and mixtures thereof, b) the muconic acid starting material is subjected to a reaction with hydrogen in the presence of at least one hydrogenation catalyst in order to form 1,6-hexanediol, and c) the 1,6-hexanediol obtained in step b) is subjected to amination in the presence of an amination catalyst in order to obtain hexamethylenediamine. The invention further relates to hexamethylenediamine which can be produced by means of said method.

The present invention relates to selective catalytic dehydroxylation method of aldaric acids for producing muconic acid and furan chemicals, which can be used directly in fine chemical and polymer applications (FCA/FDCA) and as intermediates in the preparation of industrially significant chemicals, such as terephthalic acid, adipic acid, caprolactone, caprolactam, nylon 6.6, 1,6-hexanediol and multiple pharmaceutical building blocks (MA/MAME).

There is provided a process for preparing 1,6-hexanediol by esterifying a carboxylic acid mixture resulted from oxidation of cyclohexane with oxygen, and then hydrogenating the esters, which substantially does not contain a compound leading to a high ester value.

A process for preparing 1,6-hexanediol from a carboxylic acid mixture containing adipic acid and 6-hydroxycaproic acid, the carboxylic acid mixture is obtained as a by-product in oxidization of cyclohexane to cyclohexanone/cyclohexanol using oxygen or an oxygen-containing gas, the process comprises esterifying the acids with an alcohol, followed by hydrogenation, and the process is characterized by comprising the following steps of:

• a) separating a component having a boiling point lower than that of water and the alcohol used in the esterification from a mixture obtained by the hydrogenation in a first distillation step;
• b) separating an EV component having a boiling point higher than that of 1,6-hexanediol further in a second distillation step;
• c) separating an EV component having a boiling point lower than that of 1,6-hexanediol further in a third distillation step; and then
• d) obtaining 1,6-hexanediol in a fourth distillation step, in this order.

The present invention discloses a biodegradable oil absorbing composite material and a preparation method therefor. The biodegradable oil absorbing composite material is characterized by being prepared by using the following raw materials in parts by weight: 3-5 parts of sodium bentonite, 0.3-0.5 parts of cetyl trimethyl ammonium bromide (CTAB), 4-6 parts of methacrylate, 3-5 parts of styrene, 0.1-0.5 parts of 1,6-hexanediol diacrylate, 3-4 parts of ethyl acetate, 1-3 parts of polyvinyl alcohol, 0.8-1.2 parts of organophosphorus ester, 0.01-0.05 parts of potassium persulfate, 0.5-1 parts of sodium bicarbonate, 2-5 parts of polyethylene wax, 2-3 parts of stearic acid, 1-2 parts of calcium sulfate, 80-95 parts of polypropylene, 0.1-0.3 parts of antioxidant 1010, 10-15 pats of azodicarbonamide, 0.5-1 parts of silane coupling agent KH550, 3-4 parts of chitosan, 2-4 parts of bamboo fiber, 0.5-1 parts of sodium alginate, and an appropriate amount of water. The biodegradable oil absorbing composite material provided by the present invention is environmentally friendly, simple in preparation method, wide in material sources, and worth popularizing.

The invention provides a catalyst for preparation of 1,6-hexanediol by hydrogenating 1,6-hexanedioic acid dialkyl ester and a preparation method and application thereof. The catalyst comprises, by weight, 5%-30% of Cu, 2-10% of Ni, 5%-20% of B, 0%-5% of metallic addition and the balance being a porous carrier. Since the catalyst is applied to reaction for preparation of hexanediol by hydrogenating 1,6-hexanedioic acid dialkyl ester, pressure during reaction can be reduced effectively, the liquid hourly space velocity is increased and H2-to-ester ratio is lowered.

The invention discloses a food-additive-resistant flexible packaging compound binder and a preparation method thereof. The binder comprises a main agent and a curing agent, wherein the main agent is an ethyl acetate solution comprising polyamide-polyester polyol, bisphenol A type epoxy resin and a silane coupling agent, and the polyamide-polyester polyol is synthesized by isophthalic acid, terephthalic acid, adipic acid, dimer acid, 4-aminomethyl-1,8-diamine, neopentyl glycol, 1,6-hexanediol and ethylene glycol; and the curing agent is an ethyl acetate solution which contains an isocyanate prepolymer and is synthesized by isocyanate, low-molecular-weight polyol and ethyl acetate. The binder, which is prepared by mixing the main agent and a curing agent at a ratio, can be directly used for compounding high-permeability food additive packaging materials. A PET/AL/RCPP composite material prepared from an aged product has the advantages of excellent peeling strength, heat resistance, food additive resistance and the like.

The invention discloses a high-water-resistance ultraviolet-curing wood paint which is prepared from polyurethane acrylate, epoxy resin modified acrylate, epoxy soybean oil acrylate, fluorinated acrylate, modified nano titanium dioxide, water, 1,6-hexanediol diacrylate, trimethylolpropane triacrylate, 2-hydroxyethyl acrylate, methylethyl ketone peroxide, phosphine 2,4,6-trimethylphenylformacyldiphenyl oxide, ethylene glycol, ethyl acetate, glycol ether, triethanolamine, thickener, a defoaming agent, a wax emulsion, a leveling agent, an epoxy curing agent and a dispersing agent. The high-water-resistance ultraviolet-curing wood paint has the advantages of high curing speed, favorable water resistance, favorable weather resistance and long service life.

The invention provides an environment-friendly light-curing electrostatic spraying primer, comprising the following components in percentage by weight: 10-20% of 2-Propenoic acid,1,1'-[(1-methyl-1,2-ethanediyl)bis[oxy(methyl-2,1-ethanediyl)]] ester, 1-5% of trimethylolpropane triacrylate, 5-8% of a photo-initiator, 15-20% of epoxy acrylate, 20-25% of polyester acrylic resin, 5-8% of polyurethane acrylic resin, 0.2-0.5% of a flatting agent, 0.2-0.5% of an anti-settling agent, 5-12% of flour, 5-10% of 1,6-hexanediol diacrylate, 5-8% of 2-ethylhexyl acrylate and 0-0.2% of a defoaming agent. The light-curing electrostatic spraying primer adopts a UV monomer with low viscosity and strong dilution capacity to replace an original solvent, contains no VOC (Volatile Organic Compounds), can be recycled and belongs to green and environment-friendly paints; UV resin with low viscosity and good wettability is used as main resin so that the content of solid paint is high; and the light-curing electrostatic spraying primer can be directly applied to electrostatic spraying without being diluted by the organic solvent and has the advantages of good atomization effect, good package to devices, excellent adherence and good rubbing property.

The invention discloses silk-screen UV glaze printing ink and a preparation method thereof, and belongs to the technical field of printing ink and preparation thereof. The printing ink is prepared from 28-32% of epoxy modified acrylate, 18-22% of urethane acrylate, 8-12% of tri(propylene glycol)diacrylate, 18-22% of 1,6-hexamethylene diacrylate, 6-10% of a 184 macroinitiator, 3-7% of an active-amine auxiliary photoinitiator, 0.8-3% of an organosilicone flatting agent, 0.8-3% of an organosilicone antifoaming agent and 3-7% of fumed silica, and is prepared by processes of mixing, stirring at a high speed, grinding, and the like. The preparation method is simple. The printing ink prepared by the method has a transparency effect and a matte effect, thus satisfying a conceive of applying the technical quality of blue and white porcelain and other famous porcelain in history to packaging and printing, and simulating the glaze quality, of the porcelain, that is mild and humid like jade. The printing ink provided by the invention has high environmental protection property. The VOCs smell residue totally reaches requirements of the national standards.

The invention relates to a catalyst and method for preparing 1, 6-hexanediol by hydrogenation of dialkyl 1, 6-adipate. The catalyst comprises, by weight, a) 20 to 50 parts of metallic copper or an oxide thereof, b) 30 to 60 parts of metal zinc or an oxide thereof, c) 1 to 20 parts of at least one transition metal or its oxide, and d) 1 to 20 parts of alumina. The desired alumina precursor has a specific surface area of 50 to 500m<2>/g and a total pore volume of 0.3 to 2.0ml/g. The volume of pores having diameters less than 20nm is 40-80% total pore volume. The volume of pores having diameters of 20-90nm is 10-40% total pore volume. The volume of pores having diameters greater than 90nm is 0-16% total pore volume. The catalyst can be used in the industrial production of 1, 6-hexanediol by hydrogenation of dialkyl 1, 6-adipate.

The invention provides a process for preparing 1,6-hexanediol and coproducing epsilon-caprolactone through esterification and hydrogenation of adipic acid. The process comprises the following steps of: performing countercurrent contact of pure adipic acid and methanol steam on a catalyst active ingredient-loaded filler in a reaction catalytic distillation tower, and performing esterification reaction; and purifying dimethyl adipate, and performing hydrogenation purification to obtain the 1,6-hexanediol and coproduce epsilon-caprolactone, wherein polymer generated after product separation is subjected to ester exchange reaction to be recycled. The catalyst has high activity and selectivity, the products are high in yield, energy consumption is low, the equipment investment is small, the catalyst is environment-friendly, and the preparation process is simple, economic and practical.