2468 results about "N-Butyl acetate" patented technology

A waterproof zipper having a back surface of each fastener strip is permeated with solvent-based PU adhesive contains solid contents 34˜36% toluene or methyl-ethyl-ketone 64˜66% with a viscosity 60,000˜90,000 cps at 25° C. and hardener contains butyl-acetate 23˜27%, polyisocyanate 73˜77%; and then a PU film is adhered to the back surface by thermal plastic stage so as to be formed as a waterproof layer which includes an inner layer permeating into the fastener strips and an outer layer at an outer side of the fastener strips.

The invention relates to a polysiloxane coating composition belonging to a coating chemical manufacturing technology. The polysiloxane coating composition is obtained by reacting hydrogenated epoxide resin and amino-functionalized siloxane and combining acrylic resin with good coating performance and weatherability and polyetheramine resin with excellent flexibility and adhesion. The invention particularly relates to a polysiloxane coating composition applied to offshore oil platforms. The polysiloxane coating composition has weather-proof, water-proof and corrosion-resistant performances, good flexibility and excellent ply adhesion. The polysiloxane coating composition comprises the following ingredients of 12-50 of epoxide resin, 10-40 of acrylic resin, 0.5-1.5 of dispersant, 20-30 of titanium pigment, 5-25 of French chalk, 5-15 of mica powder, 0.5-1.5 of rheological agent, 0.5-2 of anti-settling agent, 2-10 of dimethyl benzene, 5-10 of butyl acetate, 15-40 of curing agent 1 and 5-25 of curing agent 2 according to the weight percent.

A photoresist stripper composition is made up of a mixture of an acetic acid ester, gamma-butyrolactone (GBL), and a non-acetate ester or a poly alkyl alcohol derivative. The acetic acid ester may be at least one of n-butyl acetate, amyl acetate, ethyl aceto-acetate, and isopropyl acetate. The non-acetate ester may be at least one of ethyl lactate (EL), ethyl-3-ethoxy propionate (EEP) and methyl-3-methoxy (MMP). The poly alkyl alcohol derivative may be at least one of propylene glycol monomethyl ester (PGME) and propylene glycol monomethyl ester acetate (PGMEA).

The invention discloses elastic polyurethane silver paint. Main paint of the elastic polyurethane silver paint is prepared from compositions according to the following weight proportion: 65 to 85 percent of a hydroxy acrylic acid resin, 2 to 5 percent of 20 percent CAB381-0.5, 0.3 to 0.5 percent of a dispersant, 0.4 to 0.6 percent of an anti-settling agent, 0.3 to 0.5 percent of a flatting agent, 0.4 to 0.8 percent of wax powder, 7 to 10 percent of non-leafing aluminum paste, 7 to 10 percent of dimethylbenzene, and 15 to 22 percent of mixed solvent; a curing agent of the elastic polyurethane silver paint is formed by mixing compositions according to the following weight percent: 75 percent of elastic HDI curing agent, and 25 percent of absolute butyl acetate; and the weight proportion of the main paint to the curing agent is calculated based on a hydroxyl value of acrylic acid resin and the NCO content of the curing agent, and OH/NCO is equal to 1 to (1.05-1.15). The elastic polyurethane silver paint has excellent weather resistance, stain resistance, scrubbing resistance and decoration property, is a coating variety with excellent performance which is second only to fluorocarbon paint, also has good elasticity at normal temperature and low temperature, can resist fine cracks, can prevent cracks on the surface of a coating caused by the fine cracks of a putty layer, and can also be used as finish for a complete anti-cracking aluminum-imitation plate coating system that flexible putty is matched with an elastic primer and an elastic middle coating.

The invention relates to an elastic handfeel paint, comprising a hydroxy component A and a curing agent component B, wherein the hydroxy component A is prepared by the following raw materials by weight percent: 35-38% of hydroxy linear saturated polyester resin, 0.1-0.3% of dibutyltin dilaurate catalyst, 0.5-1% of levelling agent, 6.5-7% of extinction powder, 2-3% of polyurethane modified wetting and dispersing agent, 2-3% of nano pigment and 48-53% of mixed solvent; and the curing agent component B is prepared by the following raw materials by weight percent: 60-80% of HDI tripolymer and 20-40% of anhydrous butyl acetate. The hydroxy component A and the curing agent component B are mixed to obtain the polyurethane elastic handfeel paint, wherein the equivalent weight ratio of -NCO in the HDI tripolymer of the curing agent component B to -OH in the hydroxy linear saturated polyester resin of the hydroxy component A is 1.05:1.2. The elastic handfeel paint has an intrinsic color, thus being free of secondary spraying.

The invention relates to a method for recovering dilute acetic acid by virtue of extraction-azeotropic distillation of sec-butyl acetate. In the method, the sec-butyl acetate is an extractant of an extraction tower and an entrainer of an azeotropic distillation tower. The method is characterized in that a part of dilute acetic acid is fed into the top of a filler extraction tower, a small portion of tower top reflux liquid of the azeotropic distillation tower is used as the extratant to be fed to the bottom of the extraction tower, and is subjected to room temperature counter current contact extraction together with the dilute acetic acid; an extraction phase containing the sec-butyl acetate, acetic acid and little water is obtained on the top of the extraction tower; raffinate water containing trace acetic acid is obtained at a tower kettle, and enters into a solvent recovering tower; and the extraction phase in the extraction tower is fed to the upper half part of the azeotropic distillation tower for further concentration, and the other part of sec-butyl acetate is fed to the tower top of the azeotropic distillation tower. The method has the characteristic of high separation efficiency; and the recovery of the acetic acid is more than 95%, and the content of the acetic acid in waste water is below 0.5%. By using the method, the defects of large reflux ratio, high energy consumption and the like which are caused by using a rectification method are directly overcome, and the production capability of dilute acetic acid recovery is enlarged.

The invention provides a transparent hydrophobic and oleophobic functional coating material. The transparent hydrophobic and oleophobic functional coating material is prepared from fluorine-containing resin, silicon dioxide particles and a solvent, wherein the mass concentration of the fluorine-containing resin is 5 to 15%; the mass of the silicon dioxide particles accounts for 1 to 5% of the mass of the fluorine-containing resin; the fluorine-containing resin contains at least one of fluorine-containing acrylic resin, fluorocarbon resin, fluorine-containing acrylic modified polyurethane resin and fluorine-containing acrylic modified organic silicon resin; the fluorine content of the fluorine-containing resin is 10 to 50wt%, the particle size of the silicon dioxide particles is 10 to 40 nanometers, and a modifying solvent uses a fluoroalkyl silane coupling agent to modify; the solvent is prepared from ethyl acetate, butyl acetate, isoamyl acetate, ethyl butyrate, acetone, butanone, cyclohexanone, methylbenzene, xylene or nonafluorobutyl ether. The invention also provides a transparent hydrophobic and oleophobic functional coating layer which is made of the transparent hydrophobic and oleophobic functional material.

The invention relates to a method for preparing a solid acid catalyst used in esterification. The method takes organic titanium ester and silicone ester as raw materials and prepares a SO42-/TiO2-SiO2 novel solid acid by a hydrothermal method. If the solid acid catalyst is used in a reflux device to catalyze acetic acid/n-butanol esterification reaction, the yield and selectivity of n-butyl acetate can reach 98.9 percent and 99.5 percent respectively. The catalyst is characterized in simple preparation process, low cost, high activity and selectivity, long lifespan and the like, overcomes the disadvantage that concentrated sulfuric acid used as the catalyst is poor in selectivity, low in esterification yield, severe in equipment corrosion, large amount of waste liquid produced, environmental pollution and the like, and has good industrial application prospect.

The invention is a silicotungstic and phosphotungstic heteropoly acid load catalyst used for esterification reaction, which comprises the following components: Keggin structure silicotungstic acid H3SiW12O40.xH2O and phosphotungstic H3PW12O40.xH20, the content occupies 10 to 50 quality per centage of the amount of the catalyst; the carrier is H Beta zeolite. The invention adopts soaking method to prepare the solid silicotungstic and phosphotungstic heteropoly acid catalyst load on the H Beta zeolite, which can be used for catalyzing the esterification reaction of etic acid, isobutanol, isobutanol and ethanol, but also can be used for catalyzing esterification reaction of lactic acid and isobutanol to synthesis n-butyl acetate, isobutyl acetate, ethyl acetate and N-Butyl Lactate. The invention has the advantages of good stability, high activity and good selectivity, but also can used as inhomogeneous catalyst which is easy to be separated with reaction product and can use the prepared and formed catalyst powder in the continuous operating fixed bed reactor. The invention is used in the techinics of esterification reaction catalyzing rectifying.

The invention discloses a vacuum plating paint, and preparation and construction methods thereof. The vacuum plating paint is composed of a priming coat, an undercoat and a finish coat, wherein the priming coat is prepared from polyurethane acrylate resin, acrylate, photoinitiator, organosiloxane leveling agent, butyl acetate, ethyl acetate and isopropanol; the undercoat is prepared from polyester-modified polyurethane acrylate resin, polyurethane acrylate resin, phosphate acrylate, photoinitiator, butyl acetate, ethyl acetate and isopropanol; and the finish coat is prepared from polyurethaneacrylate resin, acrylate, phosphate acrylate, photoinitiator, organosiloxane leveling agent, butyl acetate, ethyl acetate and isopropanol. By adopting imported environment-friendly raw materials, thevacuum plating paint has the advantage of low toxicity; no high-temperature high-pressure process is carried out in the production process, so the vacuum plating paint has the advantage of high safety; the vacuum plating paint does not need to be diluted, and thus, can be directly used conveniently; and the priming coat, undercoat and finish coat are cured under ultraviolet, so the vacuum platingpaint has the advantage of high production efficiency.

The invention discloses an environmental-protection polyurethane hammer paint which is applied to wood surface decoration and protection and consists of a component A, a component B and a component C; when in use, the component A, the component B and the component C can be evenly mixed by the weight ratio that component A: component B: component C is equal to 1: 0.4 to 0.6: 0.5 to 0.6; wherein, the component A consists of: short oil alkyd resin, 40 to 60 parts; long oleoresin, 2 to 5 parts; dispersing agent, 0.2 to 0.5 part; anti-sedimentation agent, 0.4 to 0.9 part; propylene glycol ether acetate 3 to 6 part; divalent ester 1 to 3 parts; pigment, 0 to 30 parts; defoamers, 0.2 to 0.5 part; leveling agent, 0.2 to 0.7 part; non-floating-type aluminum paste, 1 to 5 parts; n-butyl acetate 5 to 15 parts, polydimethylsiloxane, 0.1 to 0.5 part; the component B consists of the following materials by weight ratio: HDI trimer poly isocyanate: HDI-TDI trimer: n-butyl acetate is equal to 2 to 4: 3 to 5: 1 to 4; the component C consists of the following materials by weight ratio: n-butyl acetate: propylene glycol methyl ether acetate is equal to 7 to 9: 1 to 3. The invention has the advantagesof: 1. good paint film solvent resistance and acid and alkaline resistance, bright color, clear texture, and good hammer effective; 2. high paint film hardness and wide application range, not only being applicable to wood surface, but also being applicable to metal surface decoration and protection; and 3. triphenyl-free, low VOC, and high solid content, and meeting the requirements on environmental protection.

The invention discloses oil-based anti-graffiti adhesion resistant paint and a preparation method thereof, and belongs to paint and a preparation method thereof. Components A of the paint comprise hydroxy acrylic resin, fluorocarbon resin, modified polydimethyl siloxane resin, polyacrylate modified organic silicon resin, smooth flow agent, flatting agent, antifoaming agent, drier, dibutyl tin laurate, butyl acetate and dimethyl benzene; components B comprise hexamethylene diisocyanate, butyl acetate and ethylene glycol monoethyl ether acetate; and the mixture ratio of the components A to the components B is 3:1. The invention also discloses the preparation method thereof. The paint has the advantages of good anti-graffiti adhesion resistant function, super-strong scrubbing resistance, easy cleaning, and quick and convenient construction, has limited harmful substances, and achieves national requirement.

The invention relates to a process for separating and recovering butyl acetate and butyl alcohol in wastewater by using azeotropic rectification, comprising the following steps of: carrying out normal-pressure distillation and thickening on the wastewater containing the butyl alcohol, the butyl acetate, water and organic residues in a first rectifying tower T-01 to obtain pure water and the organic residues through a tower kettle; delaminating condensed steam at a tower top, flowing a water layer back, and causing an organic layer to enter a second rectifying tower T-02 for pressurization and rectification under 120-200 Kpa so that the high-purity butyl acetate is extracted by the tower kettle and the steam with the alcohol ester ratio of 3/1-9/1 is obtained at the tower top; condensing to cause one part of a condensate to back flow and one part of the condensate to enter a third rectifying tower T-03 for pressure reduction and rectification under 3-15 KPa so that the high-purity butyl alcohol is extracted by the tower kettle and the steam with the alcohol ester ratio of 1/3-1/2 is obtained at the tower top; and after condensing and cooling, causing the steam with the alcohol ester ratio of 1/3-1/2 to enter the tower from a feed inlet of the second rectifying tower T-02 for continuous thickening and purification. The process has the advantages of environmental protection, low energy consumption, investment saving, no entrainer addition, high recovery rate (above 99%) of solvents and the like.

The invention relates to a preparation method for a methanol oil additive and the methanol oil thereof. The compound additive consists of the components of the following weight percentages; 30 to 50 percent of isopropanol, 10 to 20 percent of tertiary butyl alcohol, 1 to 5 percent of butyl acetate, 1 to 5 percent of methyl ethyl ketone peroxide, 1 to 5 percent of peroxide, 1 to 5 percent of sherwood oil, 5 to 10 percent of dimethylbenzene, 1 to 4 percent of octane enhancing additive, 1 to 5 percent of dimethoxymethane, 0.1 to 0.5 percent of antioxidizing and antigum agent, 0.1 to 0.5 percent of antiseptic, 1 to 8 percent of antiwear agent, 3 to 6 percent of waterproofing agent, 1 to 5 percent of dispersant, 1 to 3 percent of fatty acid amine, 10 to 30 percent of 120# solvent oil as well as 5 to 10 percent of ethanol. The methanol oil consists of the components of the following weight percentages: 10 to 80 percent of methanol, 0 to 85 percent of diesel oil as well as 5 to 20 percent of methanol oil additive. The methanol oil has the advantages of low cost, excellent performance, good environment protection effect, remarkable economic benefit and convenient popularization.

The invention relates to a weather resistant epoxy-polyurethane anti-corrosion coating and a manufacturing method thereof, which adds phenol-A epoxy resin, bisphenol-F epoxy resin, hydroxyl contained saturated polyester resin and fluorocarbon resin into the mixed solvent of dimethylbenzene, n-butyl acetate, methyl isobutyl ketone and butanone; then adds rutile type titanium pigment, saponite, sericite in powder, polyacrylate co-polymer, polymethyl alkyl siloxane, benzotriazole, gas phase silica and iso-caprylic acid znic to make the fluid A of the weather resistant epoxy-polyurethane anti-corrosion coating while adds fatty group polyisocyanate into the mixed liquor of anhydro-dimethylbenzene and the n-butyl acetate to make fluid B, and mix the two components during application. The invention can be applied to the preservation of the surfaces of outdoor steel structures, pipes and concrete requiring weather resistance, light aging resistance and acid, alkali and salt corrosion resistance.

The present invention relates to an environmentally friendly shell powder functional coating, a preparation method therefor and uses thereof. The coating comprises: bisphenol A-epon, modified shell powder, vegetable extract, propyl silicone emulsion, a nano additive, a modified organic micro powder agent, a surfactant, dioctylphthalate, 3, 3'-(4-trifluoromethyl methyl)-bi-4-hydroxy coumarin, 2,2,4-amino trimethyl-1,3-isoprene glycol mono iso-butyl methacrylate, butyl acetate, ethanol, trimethylol propane triacrylate, N-ammonia amino ethyl piperazine, polydimethylsiloxane and deionized water. In the present invention, by modification of a variety of components and materials, selection and collocation of specific components and a specific preparation method, the variety of components exert a synergistic effect, so as to make the prepared coating have significant antimicrobial, environmental-cleaning and wear-resisting properties. The coating has a huge application potential and extensive value in industrial production.

The invention belongs to the field of paint, relates to PU (Poly Urethane) double-component plastic paint, and in particular relates to PU double-component plastic paint which is applied to automobile trim plastic and rubber components. The automobile trim PU double-component plastic paint consists of a component A and a component B, wherein the component A comprises resin, 2-4 parts of high pigment carbon black dye, 3-5 parts of carbon black dispersing agent, 0.5-1 part of anti-settling agent, 0.02-0.05 part of drying agent, 0.5-1 part of flatting agent, 0.2-0.5 part of defoaming agent, 5-7 parts of matting agent, 1-2 parts of wax powder and 20-25 parts of a solvent, and the resin is a mixture consisting of 10-15 parts of high-hydroxy acrylic acid resin, 20-25 parts of low-hydroxy acrylic acid resin and 20-30 parts of quick-drying hydroxy acrylic acid resin; the component B consists of 70-90 parts of aliphatic polyisocyanate and 10-30 parts of n-butyl acetate. The paint can meet the property requirements (good adhesion capability, good chemical product resistance and laser etching possibility) of automobile trim plastic products.

The invention relates to a preparation method of 2-butyl alcohol. The method comprises the following steps: carrying out an ester exchange reaction of 2-butyl acetate and low-carbon alcohol in a catalytic rectifying tower in the presence of an ester exchange catalyst, and collecting the 2-butyl alcohol from tower bottoms, wherein the low-carbon alcohol is C1-C3 alcohol. The method has the advantages of high 2-butyl acetate conversion rate and high 2-butyl alcohol selectivity.

The invention relates to a super black flock oil wax sense polishing treatment agent for synthetic leather, which comprises nitrocotton resin, alkyd resin, cyclohexanone, butyl acetate, isopropanol, silicon dioxide extinction powder, hydrophilic silicon oil, castor oil, erucamide and an organic silicon flatting agent. The invention also relates to a preparation method of the super black flock oil wax sense polishing treatment agent for synthetic leather. Compared with the traditional common black flock leather surface treatment agent, the super black flock oil wax sense polishing treatment agent for synthetic leather, disclosed by the invention, obviously ensures that the synthetic leather has better mist glossy effect after being polished and has special flock sense and strong leather dermis effect; and the synthetic leather applying the super black flock oil wax sense polishing treatment agent has flock oil wax hand feeling and good comprehensive effect.

The invention discloses a fabric desizing agent. The fabric desizing agent consists of the following components in parts by weight: 10-20 parts of amylase, 3-5 parts of sodium persulfate, 2-6 parts of methyl cellulose, 0.2-0.6 part of sodium hydroxide, 10-20 parts of butyl acetate, 20-40 parts of isopropyl alcohol, 1-3 parts of butyl phthalate and 100-160 parts of water. Compared with the prior art, the fabric desizing agent has the following beneficial effects of (1) being good in desizing effect and enabling size to be fully hydrolyzed without damaging a fabric, and (2) removing impurities and minerals on the fiber, and improving the whiteness and hydroscopicity of a semi-finished product of the fabric.

The invention provides a kind of lead-free environmental-friendly circuit board conductive silver paste, which is prepared by the following raw material by weights: 60 to 70 of silver powder of 20 to 30mum, 5 to 8 of copper powder of 1 to 10nm, 8 to 10 of glass powder, 5 to 7 of SnO2 powder, 5 to 8 of silver powder of 40 to 60nm, 2 to 4 of pentaerythritol tristearate, 4 to 6 of isophorone, 3 to 5 of saturated polyester resin EK410, 4 to 7 of bisphenol F epoxy resin, 1 to 2 of salicylic acid, 3 to 5 of polyurethane resin, 1 to 2 of triallyl isocyanurate, 1 to 2 of microsphere starch, 1 to 2 of fumed silica, 4 to 6 of isobutyl ketone, 6 to 8 of ethanol , 2 to 4 of butanol, and 6 to 8 of butyl acetate. The lead-free environmental-friendly circuit board conductive silver paste and the preparation method thereof are characterized in that the use amount of the silver powder is small, the printing performance is good, the yield of the circuit board is high, the conductive performance is good, lead-free environmental-friendly performance is provided, the technology is simple, the operation is convenient and easy, and the product performance is convenient to control.