90 results about "Viscosity" patented technology

Low viscosity biodegradable polymer solutions of a liquid biodegradable polymer and biocompatible solvent and methods of using the compositions to form a liquid polymer implant are provided.

The invention provides an intelligent-robot-oriented dialog system data processing method and device. The method comprises the following steps: 1) based on an obtained interaction topic sequence, extracting a target topic from the interaction topic sequence according to a preset rule; 2) determining a corresponding output module according to the attribute of the target topic, and based on a preset knowledge graph, generating correlation information according to the attribute of the target topic; and 3) generating feedback information corresponding to the target topic according to the correlation information and the output module. Through the method, the dialog system can initiate some related topics actively from time to time for questions of users to allow the users to think the dialog system can understand their dialogue information truly, so that man-machine interaction is allowed to be carried on, and user experience and user viscosity of the dialog system are improved.

A pressure-sensitive adhesive product contains a substrate having formed on at least one surface thereof a pressure-sensitive adhesive layer, wherein the substrate is formed from a styrene-based resin composition and the pressure-sensitive adhesive layer is formed from an acrylic pressure-sensitive adhesive containing an acrylic polymer, a liquid paraffin, and a rosin-based tackifying resin. In the acrylic pressure-sensitive adhesive, the ratio of the liquid paraffin is preferably 6 to 50 parts by weight based on 100 parts by weight of the acrylic polymer and the ratio of the rosin-based tackifying resin is preferably 1 to 30 parts by weight based on 100 parts by weight of the acrylic polymer. The liquid paraffin may have a number-average molecular weight of 300 to 500 and may have a dynamic viscosity at 37.8° C. of 6 to 80 mm²/second.

The invention discloses a konjak water-absorption fiber and its preparing method, milling the refined konjak flour by colloidal mill and then decoloring and refining to make konjak micro flour with a limiting viscosity of 450-650 cu cm/g, using water as solvent and preparing a spinning pulp with konjack micro flour concentration at 3-15% and cross-linking concentration at 0.01-0.18%; filtering and vacuum-defoaming the spinning pulp, then extruding into silks, making silk beams enter in coagulation bath, and stretching them while coagulating, wherein the stretching multiple is 1.2-2.4, and finally washing and drying to make it, having dry-state intensity up to 2.5Cn/dtex, fiber length >=25mm, water absorption >=85g(water)/g(fiber), and salt water absorption >=80(salt water)/g(fiber). The invention has the advantages of wide sources of raw materials, excellent product performance, lower production cost, but no environmental pollution, etc, being a desired material for making baby sanitary things, beauty masques, fresh keeping materials for foods, medicinal dressings, etc.

The invention relates to a phthalonitrile resin prepreg, a composite material and a preparation method of the composite material. A mode for pre-heat treatment of the phthalonitrile prepreg is adoptedfor controlling the viscosity state of the prepreg during solidification. At the same time, a segmented solidification process is adopted, after auxiliary materials are used for conducting vacuumingsolidification on a product at the temperature lower than or equal to 250 DEG C, post-treatment is conducted at the temperature higher than 300 DEG C without auxiliary materials, so that the limitations of the viscosity of the prepreg and the temperature resistance of the auxiliary materials to the molding process of the phthalonitrile composite material are overcome, and complex components of thephthalonitrile composite material with high temperature resistance, excellent mechanical properties and good molding quality can be industrially produced. The phthalonitrile resin prepreg with good processability, high molding quality, high temperature resistance and excellent mechanical properties is provided and can be widely used in aerospace engineering and ship engineering.

The invention discloses a double-tail four-functional hydrophilic UV (Ultraviolet) coating hardness assistant and a preparation method thereof. The preparation method comprises the following steps: firstly, reacting polyethylene glycol monomethyl ether, isocyanate and one-generation hyperbranched polymer to form a prepolymer I, and subsequently reacting a prepolymer obtained after crylic acid monomer is reacted with isocyanate with the prepolymer I, thereby preparing the double-tail four-functional hydrophilic UV coating hardness assistant. According to the preparation method, high-functionality hyperbranched molecules are adopted as primary reaction materials, the characteristics that the hyperbranched molecules are high in functionality but low in viscosity are taken, when the prepared hardness assistant is added into an aqueous UV resin, not only is the problem that a coating is always low in curing property but high in viscosity solved, but also the water solubility of the UV resin is improved, the hardness of the aqueous UV resin is also improved, and the application range of the aqueous UV resin is widened. When non-ionic polyethylene glycol methyl ether is connected to molecules, therefore the acid-alkali resistance of the coating is improved, an emulsion system is well stabilized, and experiment shows that the effect is good.

The invention provides a method for preparing vegetation form porous concrete, adopting the 'pre-coating' technology, a slurry body with specific compositions coats coarse aggregates to form a sphere with a relatively uniform particle diameter, based on the physical coacervation of the sphere and the agglutination of the surface slurry body of the sphere; and the porous and macroporous structure, the cementation between solid phases of which is good and gas phases of which are communicated, is formed. The method comprises the concrete preparation steps that: (1) the fluidity and the viscosity range of the slurry body used to coat the aggregates are determined, and the mixing ratio is worked out by an absolute volume method; (2) the four-step stirring working procedure and the shaping model of the combination of the vibration and the pressuring are adopted; and (3) hole spaces are subjected to alkali-sealing treatment. The invention solves the difficult problems existing in the prior method that because of the downflow of the slurry body, the distribution of the pore spaces is not uniform and the discontinuous pore spaces increase, and the alkalinity in concrete pore spaces is relatively high, which are adverse to the growth of plants. When the vegetation form porous concrete prepared by the method of the invention is applied to road shoulder separator inserts, construction roofs, protection banks and protection slopes and parking lots of a highway, and good landscape effects and ecological environmental protection significance are achieved.

Adhesive systems comprising: (A) an isocyanate group-containing prepolymer prepared by reacting: (A1) an aliphatic isocyante; and (A2) a polyol having a number average molecular weight of ≧400 g/mol and 2 to 6 OH groups; and (B) a curing component comprising: (B1) an amino group-containing aspartate ester of the general formula (I);

wherein X represents an n-valent organic radical derived from a corresponding n-functional primary amine X(NH₂)_n, R₁ and R₂ each independently represent an organic radical having no Zerevitinov active hydrogens and n represents a whole number of at least 2; and (B2) an organic filler having a viscosity of 10 to 6000 mPas at 23° C. measured according to DIN 53019; their use in wound and tissue incision closure, adhesive films comprising the same and dispensing systems therefor.

Various embodiments of the present invention are directed to systems and methods for packing chromatography columns. In one described embodiment of the present invention, a compressible resin is combined with a relatively high-viscosity packing solution to form a resin slurry for packing within a chromatography-column tube. In an alternative embodiment of the present invention, a relatively high-viscosity column-compression solution is used to compress a chromatography column initially packed with a dilute aqueous solution.

The invention provides a preparation method of catalyst slurry for fuel cell coating, which includes: successively adding catalyst particles, deionized water, a proton exchange membrane solution, alcohol and a stabilizer into a container, and uniformly mixing and dispersing the component to prepare the catalyst slurry, which is 8-28% in solid content and 50-500 mPa*s in viscosity. The mass percentage of the catalyst particles is 6-21% and the mass percentage of the stabilizer is 0.5-5%. The invention also provides the catalyst slurry for fuel cell coating. The preparation method is simple andavailable, is simple in stirring and dispersion and can shorten the whole preparation time. The catalyst slurry is high in viscosity and solid content and is suitable for preparing a membrane electrode in a coating manner.

The invention discloses a hyperbranched polyborosiloxane containing functional groups. The hyperbranched polyborosiloxane containing functional groups has the characteristics of hyperbranched topological structure, stable storage performance, controllable viscosity and the like, and has excellent compatibility with existing high polymer materials. The invention also discloses a preparation methodof the hyperbranched polyborosiloxane containing functional groups, and the preparation method has the advantages of wide monomer source, low cost, easy process control and important application valueand academic significance.

The invention relates to a glaze spraying device, in particular to a glaze spraying device for mosaic tile manufacturing. The technical problem to be solved by the invention is to provide the glaze spraying device for mosaic tile manufacturing with uniform glaze spraying. In order to solve the technical problem, the invention provides the glaze spraying device for mosaic tile manufacturing. The glaze spraying device for mosaic tile manufacturing comprises a placing plate, a first slide rail, a first slide block, a first thumb cylinder, a second thumb cylinder, a second slide block, a second slide rail, a liquid extracting pump, a stirring blade, a glaze pulp box, a hose, a nozzle, a first connecting rod, a first bearing base, a first rotating shaft and the like; and a bracket is arranged on the ground. The glaze spraying device for mosaic tile manufacturing achieves the effect of uniform glaze spraying; the motor rotates to drive the nozzle to move left and right; an electric wheel works to drive a blank to move front and back, so that the glaze is uniformly sprayed on the blank in all directions; and the motor rotates to drive the stirring blade to rotate, so that the viscosity of glaze pulp is proper, the glaze spraying is more uniform, and the glaze spraying effect is better.

The invention discloses natural moisturizing skin cream for the purpose of solving the problems that traditional skin cream is poor in moisturizing performance, strong in irritation, large in viscosity and short in oil-control time. According to the technical scheme, the natural moisturizing skin cream is prepared from, by mass, 29-34 parts of caprylic/capric triglyceride, 1-5 parts of C10-18 fatty acid triglyceride, 0.7-3.8 parts of natural emulsifying agent, 0.3-2 parts of sucrose laurate, 0.1-1.2 parts of ceramide, 1-5 parts of squalane, 0.1-0.6 part of cholesterol and 0.3-2.2 parts of C10-30 acid cholesterol/lanosterol mixed ester. The natural moisturizing skin cream is free of irritation, high in moisturizing performance, small in viscosity and long in oil-control time.

The composition of nano-grade lanthanum titanium compound oxide is La2-4Ti2-9O7-24, in which La:Ti:O (atom ratio)=2-4:2-9:7-24, LawTi2O7 and La4Ti9O24 are existed in micro-crystal state, its average grain size is 28nm-35nm, and its specific surface area is greater than 60 sq.m/g. Said compound oxide can be used as catalyst for preparing lactide by utilizing lactic acid dehydration and polycondensation, can improve viscosity of reaction system and can effectively reduce lactic acid oligomer cracking temp., and the yield of lactide is 80%-90%.

The invention discloses a step-by-step heating system for high-viscosity slurry. The system comprises a preheating hydrolysis tank, a material pump, a high-temperature and high-pressure heat exchanger, a reaction processing unit, a heat source, a heat taking and utilizing unit and a subsequent processing unit. The system has the advantages that aiming at the high-viscosity slurry, through rapid primary heating and thermal hydrolysis viscosity reduction treatment of strong mechanical disturbance in the preheating hydrolysis tank and a step-by-step heating strategy for secondary preheating in the high-temperature and high-pressure heat exchanger, the high-efficiency heat exchange and temperature rise and low-resistance conveying of sludge to be preheated to the supercritical temperature areeffectively realized, and the high-efficiency and low-cost implementation of a supercritical water harmless treatment and resource utilization process for oil sludge, oil sand, high-viscosity organicmatter and other various slurry including the sludge is effectively promoted.

A stack injection molding apparatus includes a melt homogenizing element provided between a first transfer nozzle, which is coupled to a melt source, and a second transfer nozzle, which is coupled to a manifold. The melt homogenizing element is used for redistributing a melt stream in order to provide a homogenized melt stream having a generally uniform temperature and viscosity profile or sectional distribution.

A liquid protectant composition which cleans, protects, preserves, and enhances the appearance of rubber, synthetic plastic, and vinyl surfaces includes a cleaning agent, silicone, a thickener, a neutralizing agent, an ultra-violet light absorber, and water. The composition also preferably includes a fragrance and a fragrance stabilizer. When the fragrance and fragrance stabilizer are present in the formulation, the composition preferably has a viscosity ranging from about 7.5 Pa*sec (7,500 cPs) to about 18 Pa*sec (18,000 cPs) which allows the composition to be applied easily to a variety of surfaces.

The invention discloses production equipment of autoclaved aerated concrete blocks, comprising a feed inlet, a conveyer belt, a crushing stirrer, a feeding mixing chamber, a moving pouring chamber, a hardening curing chamber, a solid cutting machine, a sealed autoclaving chamber and a conveying hanging tool. The crushing stirrer is connected between the conveyer belt and the feeding mixing chamber. The feeding mixing chamber is connected between the crushing stirrer and the moving pouring chamber. The moving pouring chamber is connected between the feeding mixing chamber and the hardening curing chamber. The hardening curing chamber is connected between the moving pouring chamber and the solid cutting machine. An auto-metering display screen helps improve precision of material weighing; a grinding crushing chamber helps improve viscosity of prepared slurry; a speed governor helps improve intelligence level and production efficiency.

A grease composition includes a base oil and a thickener. The base oil includes a hydrocarbon-based synthetic oil at 40 mass % or more, and a component A at 20 mass % to 70 mass %, the component A having a kinematic viscosity of 70 mm²/s or less at 40 degrees C. A kinematic viscosity of the base oil is in a range from 200 mm²/s to 2000 mm²/s at 40 degrees C. A worked penetration of the grease composition is in a range from 220 to 350.

The present invention provides a thermally conductive grease composition which scarcely increases in hardness during high-temperature heating and has a minimized reduction in growth, containing:

• • (A) an organopolysiloxane including at least two alkenyl groups per molecule, the 25° C. kinetic viscosity being 5,000 to 100,000 mm²/s;
  • (B) a hydrolysable methyl polysiloxane, trifunctional at one terminus, represented by general formula (1)

(R¹ is a C_1-6 alkyl group, and a is an integer 5 to 100);

• • (C) a thermally conductive filler having a thermal conductivity of 10 W/m·° C. or greater;
  • (D) an organohydrogenpolysiloxane containing two to five hydrogen atoms directly bonded to a silicon atom (Si—H group) per molecule;
  • (E) an adhesion promoter having a triazine ring and at least one alkenyl group per molecule; and
  • (F) a catalyst selected from the group consisting of platinum and platinum compounds.