217results about How to "Enhance aggregation ability" patented technology

A curable composition which provides a coating layer having high adhesion to a substrate and a hard coat layer and extremely excellent photochromic properties such as high color development intensity, high fading speed and excellent durability. This composition comprises (1) 100 parts by weight of radically polymerizable monomers including a silyl monomer such as gamma-methacryloyloxypropyl trimethoxysilane and / or an isocyanate monomer such as 2-isocyanatoethoxy methacrylate, (2) 0.01 to 20 parts by weight of an amine compound and (3) 0.01 to 20 parts by weight of a photochromic compound. A photochromic optical material having excellent adhesion between a photochromic coating layer and a resin substrate and obtained by using this composition as a coating material and a process for producing the photochromic optical material.

To provide: a process in which a coarse gel itself is made not to form in the case of applying the aqueous solution polymerization; and a process in which the polymerization is mildly controlled and the production is stably carried out in the case of applying the reversed-phase suspension polymerization or static polymerization, in a production of a water-absorbent resin. In a production process for a water-absorbent resin, which comprises a polymerization step that includes the steps of carrying out polymerization, involving crosslinking, of an aqueous solution of a water-soluble unsaturated monomer including acrylic acid(salt);and at the same time carrying out fine division of the resultant hydrogel, or in a production process for a water-absorbent resin, which comprises the steps of carrying out polymerization, involving crosslinking, of an aqueous solution of a water-soluble unsaturated monomer including acrylic acid(salt);and carrying out fine division of the resultant hydrogel, or in a production process for a water-absorbent resin, which comprises a polymerization step that includes the steps of carrying out polymerization, involving crosslinking, of an aqueous solution of a water-soluble unsaturated monomer including acrylic acid(salt); and at the same time obtaining a finely divided hydrogel, the water-soluble unsaturated monomer is adjusted in order to contain furfural in an amount of 11 to 1,000 weight ppm (relative to the monomer).

The invention discloses a method and a system for controlling data storage in a cluster file system and a method for creating a file. The cluster file system stores files by grouping storage nodes. The method for data storage comprises the following steps of: collecting and measuring binary load information containing I / O access load space utilization rate of each storage node in the cluster file system during interval period; measuring whether the load of the cluster file system is balanced or not according to the binary load information of each storage node; and migrating data of in cluster file system if the load of the cluster file system is not balanced.

The invention discloses a file reading system and a method of a distributed file system. The system comprises a memory server end and a plurality of client ends, and the server end comprises a pre-reading descriptor table module and a reading request processing module, wherein the pre-reading descriptor table module is for buffering the pre-reading descriptors for a plurality of front-end loads from the client ends and buffering all the information of the pre-reading descriptors by a table structure; the reading request processing module is for acquiring the information of the front-end loads, searching the pre-reading descriptors in the buffered descriptor table using the information of the front-end loads, acquiring the address of the pre-reading descriptors and accomplishing the reading operation on objective files. The invention can enhance the converging performance of a plurality of the client end processes to read the identical file at the same time.

A method in a computer system executing a client application and an OODBMS and an RDBMS software, which system has a storage medium accessible by the RDBMS software and the OODBMS software being accessible by the client application. The method generates unique object identifiers in a data abstraction layer disposed between the OODBMS and the RDBMS software in response to a parent thread created by the client application. The method includes the steps of creating a child thread that has access to the RDBMS software, which child thread is used exclusively for generating object identifier numbers and for returning the same to the parent thread. A unique object identifier table is created, which is maintained by the child thread. In response to a request by the parent thread for a unique object identifier, the child thread generates a finite number of the unique object identifiers and communicates their values to the parent thread. After this, a recording is made in the table of the fact that a finite number of unique object identifiers have been generated.

The invention provides an ultraviolet curing adhesive. The ultraviolet curing adhesive comprises the following components in parts by weight: 5-20 parts of polyester acrylate oligomer, 15-35 parts of urethane acrylate, 5-20 parts of epoxy acrylate, 50-120 parts of an active diluent and 1-3 parts of a photoinitiator. The adhesive comprises three unsaturated oligomers, namely, polyester acrylate oligomer, urethane acrylate and epoxy acrylate at the same time, so that the bonding strength and weather resistance of the adhesive can be effectively improved, and the adhesive is enabled to have a better comprehensive property; the dosage of the components is limited within the range, so that the ultraviolet curing adhesive with high bonding strength, good weather resistance and a good coating processing property is obtained.

The invention discloses a preparation method of a silicon-containing polyurethane surfactant. The method is characterized by comprising the following steps of: heating hydrophobic silicon oil and a hydrophilic dihydric alcohol monomer while stirring in the molar ratio of 10:1-1:10 in a solvent in an inert atmosphere to 50-60 DEG C, adding a catalyst, and slowly adding isocyanate at the temperature of 70-80 DEG C for reacting for 2-3 hours; and cooling to 60 DEG C, adding a neutralizing agent, evaporating a solvent out at the temperature of 50-55 DEG C 30-60 minutes later, precipitating in methanol of 20-25 DEG C, and drying at the temperature of 50-60 DEG C to constant weight to obtain a product. A silicon oil chain segment with low surface tension is introduced into polyurethane molecules, so that the surface tension of polyurethane is reduced; and a hydrophilic part of the product consists of an ionic monomer and a nonionic monomer, so that the defect of the sensitivity of a single nonionic emulsifier to temperature is overcome, and a product aqueous solution is prevented from undergoing phase splitting emulsion breaking at the temperature of 20-90 DEG C, and can be applied in the industries of spinning, papermaking, oilfields and the like.

A polymerizable compound has a high polymerizability, a high conversion ratio and a high solubility in a liquid crystal composition. A polymerizable composition contains the compound. A liquid crystal composite is prepared from the composition. A liquid crystal display device includes the liquid crystal composite. The polymerizable compound is formed in which the polymerizable compound has at least two polymerizable groups in which at least one polymerizable group is acryloyloxy or methacryloyloxy, and at least one remaining polymerizable group is a polymerizable group selected from the group of groups represented by formulas (P-1), (P-2) and (P-3).In formulas (P-1) to (P-3), R1 to R8 are independently hydrogen, fluorine, methyl, ethyl or trifluoromethyl.

The embodiment of the invention provides a file management method, an expired file deletion method and devices. The method includes a step of obtaining meta information of a file stored in a cloud storage system, wherein the meta information at least includes a file creation time, a user ID and a file name, and the file creation time belongs to a time accurate to a predetermined time precision, astep of storing the meta information in a first data table, wherein the first data table is provided with a primary key which includes a first target column and a second target column, the first target column is used for storing the file creation time, the second target column is used for storing a file identifier determined based on the user ID and the file name, a step of sorting the current first data table with a data sorting sequence of sorting according to the first target column and then sorting according to the second target column. According to the technical solution provided by the embodiment of the invention, the burden on a user can be reduced, and the deletion efficiency of an expired file is improved.

The invention relates to a method for preparing dimeric acid methyl ester by using Brphinsted-Lewis double-acid ionic liquid to catalyze unsaturated fatty acid methyl ester dimer. The method is characterized in that the Brphinsted-Lewis double-acid ionic liquid consisting of alkyl sulfonic acid functionalized pyridine cations or alkyl sulfonic acid functionalized 1,3-dialkylimidazolinium cations or alkyl sulfonic acid functionalized quaternary ammonium cations and inorganic anions of Lewis acid is used as a catalyst; and under the protection of nitrogen, the Brphinsted-Lewis double-acid ionic liquid catalyzes a fatty acid methyl ester polymerization reaction for 2 to 8 hours at the reaction temperature of between 220 and 280 DEG C to prepare the dimeric acid methyl ester. Compared with the prior art, the method has the following advantages: 1, the method has higher polymerization capacity, does not need to pressurize, and has short reaction time; 2, a dimeric acid methyl ester product and the ionic liquid catalyst are not miscible and are layered automatically, and the separation process is easier; and 3, the catalyst has stable ionic liquid performance, and can be recycled.

The invention discloses a fluorine-containing macro-molecule emulsifying agent which is a comb-type random copolymer which consists of hydrophobic fluorine-containing monomers and hydrophilicity monomers; in the invention, conventional radical polymerization is adopted for obtaining the fluorine-containing macro-molecule emulsifying agent, the requirements of reaction conditions and devices are low and the reaction monomers are easily obtained, thus overcoming the disadvantages that methods such as active polymerization, and the like, are carried out under highly-demanding conditions in the prior art, and the cost is high. The reaction of the invention has rapid speed, and the conversion percent is high; at present, the conventional radical polymerization with low cost is still one of the simplest and most convenient methods in the point of industrialized production and production cost reduction, therefore, the fluorine-containing macro-molecule emulsifying agent is easy for industrial application.

The method comprises: according to the configuration data to be configured and all related module, generating data configuration message and the rollback instruction message; sending the data configuration message to its corresponding module; waiting the response message from each module; if receiving a response message of successfully configuring data from all modules, then the current data is successfully configured; otherwise, sending the rollback instruction to its corresponding module in order to restore each module to the state before configuration. The invention also reveals an apparatus thereof comprising: data configuration message generating module and data configuration scheduling module.

The invention discloses a data consistency cloud auditing system and an implementation method. The data consistency cloud auditing system comprises a cloud view management subsystem and a distributed auditing subsystem, and is characterized in that the cloud view management subsystem and the distributed auditing subsystem perform data interaction through a protocol interaction module. The implementation method comprises the steps that each service bearing network element acquires original data files according to format specification requirements; the distributed auditing subsystem starts data comparison of corresponding auditing service / network element in a time mode according to configuration dispatching information, completes difference data analysis and reports a result of data comparison and difference analysis to the cloud view management subsystem; and the cloud view management subsystem sends a synchronous cleaning operation request to the distributed auditing subsystem so as to implement and feed back a difference data cleaning result. The data consistency cloud auditing system disclosed by the invention is flexible in use, high in resource utilization rate and high in information aggregation ability while ensuring the service data consistency among the network elements through the above principles.

The invention discloses a method for measuring the activity of Phi29 DNA polymerase and a rolling circle sequencing method. The method for measuring the activity of Phi29 DNA polymerase comprises the following steps: taking a circular single-stranded DNA as a template; in the presence of an amplification primer, using Phi29 DNA polymerase to trigger rolling circle replication to generate a large amount of continuous single-stranded DNA copies; then doping fluorescent molecules into the amplification products, detecting the fluorescent signals of the amplification products to quantify the produced single-stranded DNA copy number, and thus calculating the activity of Phi29 DNA polymerase. The provided method has the advantages of no radioactive contamination, simpleness, rapidness, and high sensitivity, and can be applied to high-flux and automatic polymerase screening.

The present invention relates to an asymmetric cationic Gemini surfactant and a preparation method thereof. The surfactant has a structural formula shown as below. Synthesis of the surfactant comprises a unilateral reaction of a short chain and a reaction of a long chain connecting with the other end. In the molecular structure of the surfactant, a sum of the total length of both carbon chains is 24, but the carbon chains at two sides of a head group have different lengths, so as to form an asymmetric quaternary ammonium salt cationic Gemini surfactant. The structure is helpful to enrich knowledge of the Gemini surfactant self-organization.

The invention relates to an anion exchange membrane and particularly relates to a preparation method of an anion exchange membrane based on a biimidazole cation cross-linking agent. The method comprises the following steps of monomer polymerization membrane formation and anion exchange. The preparation method is characterized by comprising the following steps of: uniformly mixing the biimidazole cation cross-linking agent, acrylonitrile, polymeric imidazolium ionic liquid and an initiator by using an ultraviolet light triggered in-situ polymerization method, then forming a membrane through polymerization triggered by ultraviolet light, and carrying out anion exchange to obtain the anion exchange membrane which can be used for an alkaline fuel cell. The method provided by the invention is simple, convenient and efficient, low in raw material cost and little in harm to the environment and human bodies; the biimidazole cation cross-linking agent not only can be used for improving the mechanical performance of the anion exchange membrane, but also can play an ion conducting role; and the anion exchange membrane has higher conductivity and better mechanical strength.

The invention relates to a dehydroabietic acid-based anionic surfactant 6-dehydroabietic acylamino sodium caproate and stable foam formed by the same. The surfactant is prepared from the main synthetic raw materials of dehydroabietic acid and amino acid which are both from natural products and is a green surfactant. The solubility of 6-dehydroabietic acylamino sodium caproate at room temperature is larger than 0.8 mol / L, and 6-dehydroabietic acylamino sodium caproate has the capacity of being compounded with multiple components; the critical micelle concentration value of the surfactant is 1.26 mmol / L, and a high aggregation capacity is shown. In addition, 6-dehydroabietic acylamino sodium caproate has good foam stability. The surfactant can serve as an environment-friendly product with a good property and is applied in formulas of daily cleansers, detergents, dispersing agents, daily-use chemicals and foam stabilizers.

An ink jet ink which can form images whose bleeding resistance is high and whose bronzing phenomenon is suppressed, is provided. The ink is an ink jet ink for use together with a pigment ink. The ink jet ink is characterized in that: the ink jet ink contains a coloring material, a polyvalent metal and a water-soluble organic solvent(s); the coloring material is at least a compound represented by the general formula (I); a content (mol / g) of the polyvalent metal is 2.0×10−6 mol / g or more and 4.0×10−4 mol / g or less; a total content (mass %) of the water-soluble organic solvent(s) is 25.0 mass % or more with respect to the total mass of the ink; and in a dispersion distance distribution, measured by a small angle X-ray scattering method, of molecular aggregates in the ink jet ink whose coloring material concentration is adjusted to 0.5 mass %, a dispersion distance d75 value corresponding to 75% of a distribution is 12.60 nm or less. General Formula (I):

The invention discloses a nanometer modified epoxy powder coating preparation process comprising, dissolving epoxy resin into 1-2 times mass of acetone, charging 1%-15% mass fraction of nano particles based on epoxy resin, dispersing the system with ultrasonic wave 15-300 minutes while mechanically agitating, removing acetone through decompression to obtain nano modified epoxy resin, carrying out molten extrusion into in bolt extrusion machine, pressing into sheets or strips by means of tablet press machine.

The invention discloses an internetwork routing method. The method comprises the following steps: establishing a mapping table from an internet protocol (IP) address prefixes of network forwarding equipment to AS numbers; generating an aggregation forwarding table based on the mapping table and a forwarding table of the network forwarding equipment, wherein the aggregation forwarding table comprises table entries of the IP address prefixes and the AS numbers; and when the network forwarding equipment receives the data packet, searching the next hop which corresponds to a data packet from the aggregation forwarding table according to the head of the data packet, so as to forward the data packet. According to the method, because the AS numbers are introduced into the forwarding table, the IP address prefix table entries from the same AS declaration in the forwarding table are aggregated into the AS number table entry. The aggregation property of the IP address prefix entries is enhanced, and one part of IP prefixes are kept due to the requirements of traffic engineering, so that the IP aggregation property is improved and the requirements of traffic engineering are met, and therefore the AS number routing of the traffic engineering is not influenced.

The invention relates to a blended rubber of silicon rubber and high density polyethylene. The blended rubber is prepared from the following raw materials in part by weight: 55 to 75 parts of silicon rubber, 25 to 40 parts of high density polyethylene, 3 to 8 parts of silane coupling agent, 30 to 40 parts of white carbon black, 30 to 40 parts of plasticizer, and 2.0 to 10 parts of vulcanizing agent. The formula of the blended rubber provided by the invention effectively improves the liquidity of the high density polyethylene, enhances the polymerization capacity of the silicon rubber and the high density polyethylene, reduces the viscosity of material blended rubber, and improves excellent performance of the blended rubber. The prepared blended rubber is particularly applied to preparing thin silica gel plates, electric fittings, mold pressing arresters, insulators for overhead power transmission lines, shades for isolating switches, and other products. The method for preparing the blended rubber can effectively reduce the manufacturing cost and further optimize the performance of the rubber.

The purpose of the invention is to obtain cobalt hydroxide and cobalt oxide, each having high aggregability even if a secondary particle size is large. The invention is cobalt hydroxide characterized by being in the form of secondary particles obtained by aggregating primary particles, comprising, as the primary particles constituting the secondary particles, primary particles in the form of a plate, a pillar, or a needle having a major axis length determined by SEM image analysis of 1.5 [mu]m or more, and having a tap density of 0.80 g / mL or more.

The invention relates to the technical field of inorganic nonmetallic materials, in particular to a synthesis method of graphene-hydroxyapatite composite material. The synthesis method of the graphene-hydroxyapatite composite material comprises the steps of preparing tris (hydroxymethyl) aminomethane buffer solution, preparing dopamine solution, reducing and modifying graphene oxide, preparing simulated body fluid and mineralizing hydroxyapatite. According to the synthesis method, the graphene-hydroxyapatite composite material is synthesized in the environment of simulating human body fluid; the obtained composite material has good stability and biocompatibility, and can be applied to the field of biological medicines.

The invention relates to a process for preparing poly-diallyldimethyl ammonium chloride which comprises the steps of, (1) using alkali carbonate and complexing agent mixed solution as decontaminating agent for one time or multiple scouring to the allyl chloride, (2) dropping dimethylamine solution and alkali metal hydride solution into the allyl chloride solution, charging catalyst, (3) controlling the temperature between 40-70 deg. C, the reacting time being 2-4 hours, pumping water and low-boiling-point substance through decompression, obtaining DADMAC, (4) charging initiating agent into DADMAC solution, adjusting the pH value to 6, performing auto-polymerization at atmospheric temperature.

The invention provides an establishing method of a product STL model spatial index structure, which is characterized in that a product STL model data file is read first, an axial bounding box of each triangular facet is established, corresponding data node of the triangular facet is established according to the center of the axial bounding box and the radius of a circumsphere and stored in a data node sequence, each data node in the sequence is inserted in the index structure through steps such as insertion position selection, node splitting, node axial bounding box adjustment and the like, and the data node with larger volume of the axial bounding box is reinserted in the index structure to further optimize the index structure and achieve the establishment of the product STL model spatial index structure. The establishing method can establish spatial index structures of various triangular grids with complex profiles, and has the characteristics of strong stability and high query efficiency.

According to the invention, the safety of the battery can be improved based on introduction of phosphate into the gel polymer electrolyte, , the adjustable flexibility is improved by introduction of aPEO chain segment, and the stability and the polymerization capability are improved by introduction of acrylate; thus, further research is carried out on the basis of the prior art, the polyfunctional phosphate cross-linking agent is obtained and is applied to the preparation of the phosphate-based cross-linked gel polymer electrolyte, so the cross linking agent can be copolymerized with other functional monomers to synthesize gel polymer electrolyte; the gel polymer electrolyte has the advantages of simple and convenient preparation method, high ionic conductivity, high thermal stability andgood electrochemical stability, the assembled sodium ion battery has good cycling stability and high-temperature performance, and the phosphate-based gel polymer electrolyte with high safety is provided for quasi-solid sodium / lithium ion batteries.

The invention belongs to the technical field of willow artwork, and particularly discloses a treatment method capable of improving the flexibility of osier. The treatment method specifically comprises the following steps: (1) ethanol solution soaking, constant-temperature fermentation and variable-temperature freezing treatment; and (2) microwave drying, vacuum soaking and variable-temperature drying treatment. According to the treatment method disclosed by the invention, pretreatment is carried out at first, and ethanol molecules are enabled to permeate into cellulose as protective mediums, so that the aggregation capacity among cellulose molecules is effectively improved, and the strength of the osier is effectively increased; and then the microwave drying and the vacuum soaking for a treatment liquid are carried out, the permeation time of the treatment liquid is effectively shortened, and the permeation efficiency is increased, so that the treatment liquid is capable of permeating into osier bark to soften and enable the bark to be closely bonded with an inner wood layer, bark peeling is avoided, high flexibility is achieved, the occurrence of a cracking phenomenon in a weaving process is effectively prevented, the weaving difficulty of the osier is lowered, the high-temperature-resistant and sun-screening capacity of the osier is improved, and the service life of the osier is effectively prolonged.

Belonging to the technical field of surfactant science and application, the invention discloses a carboxylate type anionic Gemini surfactant and a preparation method thereof. The synthesis of the surfactant includes: taking diethyl malonate and 1-bromodecane as the starting raw materials to synthesize a first step product 2-decyl diethyl malonate, carrying out bilateral substitution reaction, saponification, acidification, deacidification and acid-base neutralization reaction on the 2-decyl diethyl malonate and dibromoalkane in order so as to obtain the final carboxylate type anionic Gemini surfactant. The surfactant has very low cmc, thus indicating very high surface activity. The surfactant with the above structure is conducive to enriching the related knowledge of Gemini surfactant self-assembly, and the unique properties of the carboxylate type anionic Gemini surfactant are also beneficial to application in industrial production.

The invention discloses a PET aluminum-plated base membrane and a preparation method thereof. The PET aluminum-plated base membrane comprises a core layer in the middle and surface layers arranged on the two surfaces of the core layer. The surface layers and the core layer are integrally formed through co-extrusion and two-way stretching. The core layer is a PET layer, and the surface layers are PET layers mixed with anti-adhesion agents. The preparation method includes the steps of polyester synthesis, mixing, co-extrusion, sheet casting through a die, longitudinal stretching, transverse stretching, traction and trimming, corona treatment, coiling, cutting and obtaining of a finished product. The PET aluminum-plated base membrane can be prepared through the preparation method, and has excellent light transmittance and surface tension. The light transmittance can reach 89%, the glossiness is 130, the surface tension can reach 58 dyne, and the light transmittance, the glossiness and the surface tension can keep for a long time and do not weaken. Aluminum-plated membranes meeting different packaging requirements can be produced, and the produced aluminum-plated membranes are uniform and high in aluminum layer bonding force.

Disclosed is a bifunctional polymerizable compound represented by the formula [1]. Also disclosed is a polymerizable liquid crystal composition comprising at least one bifunctional polymerizable compound represented by the formula [1] and a polymerizable liquid crystal compound. The bifunctional polymerizable compound has a high polymerizability. When added to a polymerizable liquid crystal compound to prepare a polymerizable liquid crystal composition, the bifunctional polymerizable compound enables to remarkably improve the thermal stability of a polymer produced from the composition. The polymerizable liquid crystal composition containing the bifunctional polymerizable compound has a low crystallization temperature and shows a stable liquid-crystallinity under ordinary environment.wherein X1, X2 and X3 independently represent a single bond or a benzene ring; Y represents —O— or a single bond; M represents a lactone ring or an acrylate group; and n represents an integer of 4 to 10.