37results about How to "Good viscosity performance" patented technology

A hydrogenated styrene butadiene star copolymer is incorporated in a lubricant additive package. The star copolymer can include about 3 to 25% and about 97 to 75% butadiene. The star copolymer may further be incorporated in a lubricant additive in the amount of about 12 wt % of the star copolymer as compared to the base oil.

The invention relates to a novel process for producing organically modified bentonite, which is characterized by sequentially comprising the following steps of: 1) performing sodium modification on calcium base bentonite with a sodium base salt; 2) performing organic modification on the bentonite obtained by the step 1) with a quaternary ammonium salt; and 3) modifying the bentonite obtained by the step 2) with octadecanoic acid fatty acid. The final product obtained by modifying the common calcium base bentonite has the same viscosifying effect as the American natural sodium base bentonite.

The invention is directed to plasticized compositions comprising esters of terephthalic acid, particularly PVC compositions.

The invention relates to the field of electroluminescence, and discloses a compound, an organic electroluminescent device and a display device. The structural formula of the compound is represented bya formula (I). The organic electroluminescent device made of a material of the compound has low driving voltage and high current efficiency, and meanwhile, a transmission layer or an injection layerof the organic electroluminescent device can be prepared by using the compound through a solution method.

The invention discloses a bag side needle-pricking oil formula. The bag side needle-pricking oil formula mainly comprises, by weight, 45 to 55 kg of acrylic emulsion, 25 to 35 kg of polyurethane, 1 to 3 kg of a defoaming agent, 7 to 9 kg of matte powder, 1 to 3 kg of an addition agent, 1 to 3 kg of a thickening agent, 4 to 6 kg of mill base and 2 to4 kg of a bonding material. According to the bag side needle-pricking oil formula, through acrylic emulsion and polyurethane, the effect of residue side modifying is achieved, through the defoaming agent, the effect of removing harmful gas in the formula is achieved, through the matte powder, attractiveness of the bag side needle-pricking oil increased, through the addition agent, the material can be better fused, through the thickening agent, viscosity of the bag side needle-pricking oil is increased, through the mill base, the color of the formula can be changed, through the bonding material, bonding of bag side needle-pricking oil for leather replacement is facilitated, the viscosity effect of the bag side needle-pricking oil is good, the residual side can be effectively modified, and a user can conveniently use the oil.

The invention relates to an antibacterial low-melting-point hot melt adhesive. The antibacterial low-melting-point hot melt adhesive is processed from the following raw materials in parts by weight: 40-80 parts of a polyester hot melt adhesive, 20-30 parts of polyamide resin, 3-8 parts of paraffin, 0.5-1 part of an antioxidant 164 and 0.5-1 part of an inorganic antibacterial agent. A preparation method of the antibacterial low-melting-point hot melt adhesive comprises the following steps: uniformly mixing the polyester hot melt adhesive, the polyamide resin, the paraffin, the antioxidant and the inorganic antibacterial agent according to the formula ratio, adding the mixture into a screw extruder granulator, carrying out melt blending extrusion, cooling and granulating the extruded mixture, and carrying out vacuum drying on the aggregates to remove moisture, so as to obtain the antibacterial low-melting-point hot melt adhesive. By mixing the low-melting-point polyester hot melt adhesive with the polyamide resin, the paraffin, the antioxidant and the inorganic antibacterial agent, the prepared hot melt adhesive is stable in binding power, high in curing speed and convenient to use and does not easily mildew, the environmental influence is low, and particularly, the curing rate is prior to that of the hot melt adhesive in the prior art in a low-temperature environment; the production efficiency is greatly improved, the cooling curing time is substantially shortened after the coating of the hot melt adhesive, and the coating efficiency is remarkably improved.

The invention discloses environmentally-friendly energy-saving gasoline engine oil. The environmentally-friendly energy-saving gasoline engine oil consists of poly alpha olefin, three-time-hydrogenation low-coagulation base oil, a viscosity index improver, a clearing agent, a non-ash dispersion agent, an oxidation and corrosion inhibitor and organic molybdenum. The invention also provides a preparation method of the environmentally-friendly energy-saving gasoline engine oil. The method comprises the following steps: weighing poly alpha olefin, three-time-hydrogenation low-coagulation base oil,the viscosity index improver, the clearing agent, the non-ash dispersion agent, the oxidation and corrosion inhibitor and organic molybdenum in percentages by weight; then adding poly alpha olefin ina reaction still, warming to 65 to 75 DEG C, adding three-time-hydrogenation low-coagulation base oil and the viscosity index improver in a stirring state, after stirring, and after adding the clearing agent, the non-ash dispersion agent, the oxidation and corrosion inhibitor and organic molybdenum in sequence, and then stirring to obtain the environmentally-friendly energy-saving gasoline engineoil. The environmentally-friendly energy-saving gasoline engine oil is high oxidation stability, long in service life, low in pour point and wide in operating temperature; and due to the organic molybdenum is contained in the environmentally-friendly energy-saving gasoline engine oil, so that the friction and friction heat are reduced, the consumption of fuel oil is saved, and the abrasion of anengine can be reduced.

The invention relates to the technical field of adhesive, in particular to adhesive for indoor plywood. The adhesive comprises, by weight, 50-70 parts of urea resin, 10-20 parts of silicone rubber, 8-15 parts of octyl phenol polyoxyethylene ether, 20-30 parts of polyaspartic acid, 2-4 parts of calcium sulphoaluminate, 10-20 parts of propylene glycol, 8-13 parts of sodium stearate, 6-12 parts of porous inorganic filler, 3-8 parts of polyvinyl acetate emulsion, 1-5 parts of nano-silica and 5-10 parts of water. The adhesive for the indoor plywood is good in viscosity, has the antiseptic and anti-static functions and contains lower formaldehyde, the water resistance and aging resistance of the adhesive are improved greatly, and the service life of the adhesive is prolonged by half a year to one year. The adhesive is mainly applied to bonding of the inner plywood.

The invention discloses a cold application water-blocking type optical power cable filling past. The filling past comprises the following components in weight percentage: 70% to 80% of base oil; 2% to 5% of emulsifier; 5% to 10% of super absorbent polymer; 3% to 10% of thickener; 0.2% to 1% of antioxidant; and 0.2% to 0.8% of dispersant. The invention further provides a production method of the filling paste. The production method includes the following steps that: base oil is heated to 60 DEG C to 100 DEG C, a proper amount of an antioxidant, an emulsifier and a water resistance agent are added to the base oil, and an obtained liquid is fully stirred for 5 hours to 6 hours, and the liquid is completely emulsified, the liquid is fast cooled to room temperature through cooling equipment; a thickener and a dispersant are added into the liquid, and an obtained mixture is stirred uniformly for 0.5 hours to 1 hours; and polymer water-absorbent resin is added into the mixture, and a newly obtained mixture is stirred uniformly, air bubbles in the mixture are extracted through a vacuum pump, after air pumping, emptying is carried out. The filling paste produced by the production method of the invention has the advantages of good water resistance and lower production cost.

The invention provides high-performance modified asphalt, consisting of the following raw materials in parts by weight: 70-100 parts of asphalt, 3-7 parts of a styrene-butadiene-styrene copolymer (SBS), 0.01-2 parts of ethylene bis-stearamide (EBS), 0.1-1 part of a vulcanizing agent, 0.1-1.5 parts of an antioxidant, 2-4 parts of methyl ethyl ketone, 2-3 parts of an anti-aging agent, 1-2.5 parts of methyl phenol type phenolic resin, 0.5-1 part of epoxidized vegetable oil, 2-4 parts of propyl acetic acid, 1-3 parts of nickel acetylacetonate, 1-3 parts of dibutyl ester, and 1-3 parts of pentaerythritol tetrastearate. The high-performance modified asphalt provided by the invention has excellent high-temperature stability, salt fog resistance and ageing resistance, and the high-temperature viscosity of the modified asphalt can be reduced; and the modified asphalt meets a high-viscosity modification index requirement, and can be applied to special occasions including OGFC (Open Graded Friction Course) drainage asphalt pavements, heavy-loaded traffic road asphalt pavements and the like.

The invention relates to an antistatic modified hot melt adhesive. The hot melt adhesive is prepared by processing the following raw materials in parts by weight: 40-60 parts of polyester hot melt adhesive, 20-50 parts of polyamide resin, 20-30 parts of conductive carbon black, 5-10 parts of petroleum resin and 0.5-1 part of an antioxidant 164. The antistatic modified hot melt adhesive is obtained by uniformly mixing the polyester hot melt adhesive, polyamide resin, petroleum resin, the antioxidant and conductive carbon black in a formula ratio, then adding the mixture to a screw extruder pelletizer to undergo melt blending and extrusion, cooling and pelletizing the extruded mixture and removing moisture from pellets obtained through pelletizing through vacuum drying. The hot melt adhesive with stable adhesion, good antistatic property and high crystallization and curing rates is prepared by selecting the polyester hot melt adhesive with low melting point to be mixed with polyamide resin, conductive carbon black, petroleum resin and the antioxidant 164, is convenient to use, is slightly affected by the environment and has higher crystallization and curing rates than hot melt adhesives in the prior art especially in a low-temperature environment, thus greatly improving the production efficiency.

The invention discloses a novel instant salt-tolerant guar gum and a preparation method therefor, and relates to a guar gum modification method. Aiming at the defects that solubility and salt tolerance cannot be met at the same time during the preparation of guar gum, the invention provides an instant salt-tolerant guar gum with good solubility and salt tolerance and a preparation method thereof. The method comprises the following three steps: (1) adding the guar gum into an alcohol-water mixed solvent, adding alkyleneoxide after normal temperature alkalization for 0.5-2 h, and stirring for 0.5-2 h; (2) dropwise adding N,N-dimethyl-3-chloropropylamine, adjusting the pH value to be grater than or equal to 8, raising the temperature to 30-50 DEG C, and performing reflux condensation for 2-4 h; and (3) adding sodium chloroacetate and sodium hydroxide, performing reflux condensation for 2-4 h at the temperature of 50-70 DEG C, cooling the product to room temperature, adjusting the pH to be 7, washing, performing suction filtration and drying to obtain the instant salt-tolerant guar gum. The preparation method is mild in condition, the preparation process is simple, the prepared instant salt-tolerant guar gum is high in dissolution rate, and the novel instant salt-tolerant guar gum has good viscosity performance in salt water.

The invention discloses bearing anti-rust oil and a preparation method thereof. The preparation method includes the following steps of firstly, taking heavy calcium carbonate powder to be ground through a grinding machine; secondly, increasing the temperature in a stirring tank to be 90-120 DEG C, and adding 140-170 parts of mineral oil, 3-7 parts of petroleum sodium sulfonate, 2-4 parts of phytic acid, 3-6 parts of nonylphenol polyoxyethylene ether, 2-5 parts of calcium lignosulphonate and 1-5 parts of hydroxyl-terminated polybutadiene into the stirring tank to be stirred for 30-50 min; thirdly, adding 4-8 parts of starch sodium octenylsuccinate, 0.5-1 part of fluorocarbon resin, 1-4 parts of acetyl castor butyl alcohol acid, 1-3 parts of perfluorinated octyl ethyl acrylate and 1-3 parts of heavy calcium carbonate powder into the stirring tank to be stirred for 20-40 min, and cooling to prepare the bearing anti-rust oil. The prepared bearing anti-rust oil can effectively prevent bearings from rusting.

The invention relates to a dispersing agent for a polyolefin catalyst. The dispersing agent is composed of the following materials by weight percent: 60%-99.9% of poly alpha-olefin synthetic oil withkinematic viscosity not above 100mm2/s at 40 DEG C and 0.1%-40% of polyisobutene. Due to the viscosity and dispersity of the dispersing agent disclosed by the invention, the prepared catalyst suspension is not easy to settle under the conditions of storage, transportation and polymerization process; compared with the mineral oil with same viscosity, the dispersing agent has lower flow point and better and more stable operation; poly alpha-olefin has high compatibility with polypropylene and is not easy to volatile; fuming phenomenon of polymer during the processing process is greatly reduced;the content of soluble substance in hexane is low; the dispersing agent is suitable for the production of packaging products of medical supplies and food and the production of aluminum laminated films.

The invention discloses fireproof paint for interior wall decorative plywood and a preparation method of the fireproof paint. The fireproof paint is prepared from the following formula components in parts by mass: 10 to 20 parts of mineral wool, 7 to 9 parts of calcium sulfoaluminate, 10 to 12 parts of styrene-acrylic emulsion, 6 to 8 parts of melamine phosphate, 1 to 3 parts of a preservative, 6 to 10 parts of polyvinyl alcohol, 5 to 7 parts of polyaspartic acid, 15 to 25 parts of fly ash, 6 to 8 parts of nano zinc oxide, 10 to 12 parts of palm oil, 1 to 2 parts of a synergist, 6 to 8 parts of ash calcium powder and 60 to 80 parts of water. The paint disclosed by the invention is used to coat the surface of the plywood, and has excellent heat-preservation, heat-insulation, fireproof and mildew-proof effects.

The invention provides a preparation method of permanent orange pigment and relates to the technical field of coating. The preparation method comprises the following steps: (1) sequentially adding thecomponents in parts by weight: 0.5 to 3 parts of hydrochloric acid and 8 to 14 parts of 3,3-dichlorobenzidine; pulping, diluting an cooling; adding 2.5 to 3.6 parts of sodium nitrite and carrying outdiazotization reaction; adding sulfamic acid to obtain a diazonium solution; (2) mixing 6 to 8 parts of 1,3,5-pyrazolone in parts by weight and 0.8 to 1.2 parts of an emulsifier in parts by weight and pulping to obtain a coupling solution; (3) mixing 2 to 6 parts of liquid alkali by weight and 2 to 3 parts of rosin by weight, so as to obtain a rosin solution; (4) synthesizing; adding the couplingsolution into the diazonium solution and carrying out coupling reaction, wherein the reaction temperature is 12 to 18 DEG C; then adding the rosin solution and mixing; and adding 3 to 4 parts of a dispersant to obtain the permanent orange pigment. According to the preparation method provided by the invention, a second component is introduced so that an aggregation effect of particles is reduced;in a utilization process, a system has good dispersity and the particles are not easy to aggregate; and the softnesss of the particles is increased and the pigment has good flowability in the utilization process.