34 results about "Cross-link" patented technology

A polymer resin composition, a method for forming a pattern using the polymer resin composition, and a method for fabricating a capacitor using the polymer resin composition are disclosed. The polymer resin composition includes about 75 to 93 percent by weight of a copolymer prepared from benzyl methacrylate, methacrylic acid, and hydroxyethyl methacrylate; about 1 to 7 percent by weight of a cross-linking agent; about 0.01 to 0.5 percent by weight of a thermal acid generator; about 0.01 to 1 percent by weight of a photoacid generator; about 0.00001 to 0.001 percent by weight of an organic base; and a solvent.

This invention relates to a method for improving the fluidity of thermoplastic vulcanized rubber. The method comprises: (1) pre-mixing rubber with plastic (30-50% of total plastic); (2) mixing the premixed rubber with the rest plastic; (3) dynamically vulcanizing; (4) adding dicumyl peroxide (1-4% of the second plastic addition), melting and mixing to obtain the thermoplastic vulcanized rubber. The fluidity of the thermoplastic vulcanized rubber is largely improved, while its physical and mechanical properties are maintained.

The invention relates to a preparation method of carboxyl-terminated hyperbranched polyester modified organic silicon resin. The method comprises the following steps of: after heating 40 to 60 weight percent of carboxyl-terminated hyperbranched polyester, 1 to 10 weight percent of 3-glycidoxypropyltrimethoxysilane, 30 to 50 weight percent of organic silicon resin and a cross linking catalyst of which the weight percent is 1 to 10 percent of that of the carboxyl-terminated hyperbranched polyester for 1 to 3 hours at the temperature of 110 to 130 DEG C, warming to the temperature of 150 to 180 DEG C and heating for 1 to 3 hours; and finally, reducing the temperature to the room temperature and adding an organic solvent to regulate the solid content to the range of 60 to 70 percent so as to obtain the carboxyl-terminated hyperbranched polyester modified organic silicon resin. The method combines the advantages of the carboxyl-terminated hyperbranched polyester with the organic silicon resin and excellent heat resistance, excellent metal adhesion, low surface energy, excellent boiling resistance and excellent acid resistance are obtained. The resin prepared by the method disclosed by the invention can be used for preparing a coating with high temperature resistance and low surface energy.

The invention discloses a surface artemisinin molecule imprinting adsorbing material of a vegetable sponge. The material is characterized characterized by being prepared by the following steps of: preparing a polymer by selecting vegetable sponge as a substrate material, taking artemisinin as a template molecule, taking itaconic acid and acrylamide as functional monomers, taking ethylene glycol dimethacrylate as a cross-linking agent, taking azodiisobutyronitrile as an initiator and taking N,N-dimethylformamide as a solvent; and removing the artemisinin by using a hexane-diethyl ether mixed solution. The invention further provides a preparation method and an application method of the surface artemisinin molecule imprinting adsorbing material of the vegetable sponge. The surface artemisinin molecule imprinting adsorbing material of the vegetable sponge can separate the artemisinin with a structural analogue under normal pressure and temperature conditions; and the surface artemisinin molecule molecular imprinting adsorbing material of the vegetable sponge has the advantages of specificity, selectivity, good mechanical performance, good chemical stability, fast adsorbing speed, easiness for being eluted, biodegradability, simple process, regeneration capability, environmental friendliness and the like.

The invention relates to a control method for cross-links wireless relaying street lamp passing, which includes: perform street lamps grouping, mark serial numbers on each street lamp set in each group according to the sequence of both sides cross-wise; a control center sends out control order to a signal receiving module on the street lamp; the signal receiving module stores the control order in the storage module through a processing module, after receiving the control order and at the same time, the processing module starts to inquire the serial number of the street lamp set, extract corresponding order from the storage module according to required serial number and deliver the order to an execution module; write the street lamp set serial number on corresponding position in the control order and re-store the revised control order into the storage module; after certain delay time, the processing module extracts the revised control order from the storage module and sends out the control order, which will be received by the receiving module on the street lamp behind. The invention has the advantages of less investment, convenient and flexible operation and good reliability.

The invention provides an infrared stealth textile coating fabric which comprises a printing layer, a surface layer, a thermal-insulating layer, a bonding layer and a base cloth layer which are laminated sequentially, wherein the printing layer comprises one-component polyurethane A, a solvent A, a dilution A, infrared reflection color paste, white paste and a defoaming agent A; the surface layer comprises one-component polyurethane B, a solvent B, a dilution B, aluminum oxide or iron oxide, a defoaming agent B and a flatting agent B; the thermal-insulating layer comprises two-component polyurethane C, a solvent C, a dilution C, aluminum powder, a foaming agent, a cross-linking agent C and a cross-linking accelerator C; the base cloth layer is nylon or dacron. According to the fabric provided by the invention, defects of the prior art are overcome, the fabric has the softness of textiles, can prevent rain and corrosion, can be used both on sunny days and slushy days, and has stealth and warmth retention effects.

The invention provides graphene-based hierarchical pore capacitor carbon and a preparation method thereof. The preparation method comprises the following steps: water-soluble sugar and a graphenes substance are subjected to a hydro-thermal reaction, a cross-linking agent is added during a reaction process, an activator is added after the reaction is complete, and then the materials are subjected to a carbonization reaction to obtain the product. The cross-linking agent is a nitrogenous foaming agent, and the activator is selected from one or more of potassium hydroxide, sodium hydroxide, zinc chloride and phosphoric acid. According to the invention, stacking and agglomeration of the graphene can be inhibited with a larger degree, the specific surface area and amount of porosity are increased, and the specific surface area utilization rate and specific capacitance are increased.

A thermoplastic elastomer composition comprised of 20 to 95 wt % of a polyester resin (A) having a melt flow rate of 4 g/10 min to less than 20 g/10 min and 80 to 5 wt % of at least one type of rubber (B) selected from an acryl rubber (B1), hydrogenated nitrile rubber (B2), and polyether rubber (B3), wherein the rubber (B) is dynamically cross-linked. The composition can be shaped and suitably used for a seal part, hose part, boot part, or other auto related rubber part.

The invention relates to a high-hardness matte ceramic antifouling agent. The high-hardness matte ceramic antifouling agent is prepared via modification grafting with active MQ silicone resin on the surfaces of nanometer silicon dioxide particles. According to the high-hardness matte ceramic antifouling agent, inorganic siloxane in MQ silicone resin and nanometer silicon dioxide are taken as hard chain segments, porefilling effect, wear resistance, and skid resistance on the surface of ceramic are achieved, and in addition nanometer silicon dioxide possesses hydrophobic antifouling antibacterial effect; one the other hand, a cross-linked net-structured film composed of MQ silicone resin and methyl hydrogen silicone fluid is taken as a soft chain segment, and in polishing process, a polishing wheel is isolated from tile surface to avoid direct elastic contact, so that tile glossiness is not improved, and problems of conventional matte antifouling agents that wear resistance and antifouling properties are poor are solved.

The invention discloses a concrete high-efficiency water reducer. The water reducer comprises the following raw materials in parts by weight: 20-40 parts of unsaturated alcohol-polyoxyethylene ether,10-30 parts of sodium lignin sulfonate, 10-20 parts of acrylic acid, 5-10 parts of modified starch, 3-8 parts of aloe gel, 2-6 parts of cyclodextrin, 2-5 parts of cross-linked povidone, 2-5 parts of zinc gluconate, 1-3 parts of sodium polystyrenesulfonate, 1-3 parts of sodium alginate, 0.5-2 parts of graphene oxide, 0.2-1 part of sodium silicate, 0.1-0.5 part of a defoaming agent and 3-5 parts ofan initiator. The high-efficiency water reducer prepared by the method is good in stability, and can increase workability of concrete when used in the concrete. In addition, the water reducer can be mixed with other water reducing agents for use, the water adding amount is reduced, the solidification time of concrete is shortened, and strength of the concrete is improved.

The cross-linked polyaminocarboxylates for the removal of metal ions from aqueous solutions of the present invention are cross-linked anionic polyelectrolytes CAPE 6 and CAPE 9, containing pH-responsive amino acid residues. The cross-linked anionic polyelectrolytes have been synthesized via cycloco-polymerization and ter-polymerization of a diallylammonioethanoate monomer (90 mol %) and a cross-linker, 1,1,4,4-tetraallylpiperazinium dichloride (10 mol %) in the absence of SO2 (CAPE 6) and in the presence of SO₂ (CAPE 9), respectively. For the sorbents CAPE 6 and CAPE 9, the efficiency of Cu²⁺ removal at an initial metal concentration of 200 ppb was found to be 77.5% and 99.4%, respectively. Treatment of real wastewater samples spiked with Cu²⁺ ions showed the excellent ability of the cross-linked anionic polyelectrolytes to adsorb metal ions.

The invention discloses a graphene hybridized photocatalyst hydrogel, belonging to the field of nanometer materials. The graphene hybridized photocatalyst hydrogel is used for treatment of water pollution and prepared by using graphite oxide and a photocatalyst as raw materials through a reduction reaction and ultrasonic treatment. The graphene hybridized photocatalyst hydrogel provided by the invention can promote the dispersion of graphene oxide in water, avoids further aggregation of a nanoscale photocatalyst from generation in the process of hydrogel formation, can significantly improve the specific surface area and adsorption capacity, has more obvious three-dimensional cross-linked mesoporous microstructure, can realize the synergistic effect of adsorption enrichment and photocatalytic degradation, significantly reinforces the in-situ catalytic degradation ability of adsorbed and enriched pollutants, and can greatly improve the mineralization and removal efficiency of pollutants.

The invention discloses a method for crimping a high-pressure cross-linking three-layer co-extrusion continuous produced disc-exchanging conductor. The method specifically comprises the following steps: forming head and tail connecting sections with the outer diameter being less than the compressing outer diameter of a conductor after removing layers from a head end of one coil of conductor and a tail end of the other coil of conductor; preparing an iron pipe with the outer diameter being approximate to the compressing outer diameter of the conductor and with the inner diameter slightly being more than the outer diameter of the connecting sections, according to the compressing outer diameter of the conductor; inserting the head connecting section of one coil of conductor and the tail connecting section of the other coil of conductor into inner holes at two ends of a steel pipe; placing into a cavity of a 10-ton hydraulic press and crimping the iron pipe; and crimping the surface of the iron pipe for ten times, thereby causing the conductor therein to be in close contact with an inner wall of the iron pipe. According to the method provided by the invention, the cold pressing welding is applied to the disc-exchanging and connecting of the high-pressure cross-linking three-layer co-extrusion conductor; only an iron crimping pipe and a manual hydraulic mould which are conveniently taken are selected and used; the iron crimping pipe is connected with two ends; compared with a resistance butt-welding connecting method, the method has the advantages that the operation is simple and the success rate is higher; and the once investment in equipment according to the method is reduced by above 30% of the once investment in equipment according to a resistance butt-welding scheme.

The invention discloses an automobile external glazing tape manufacturing technique and a correction tool applied to the technique. The automobile external glazing tape manufacturing technique comprises the steps that A, uncoiling is carried out; B, coarse grinding is carried out; C, leveling is carried out; D, roller forming is carried out; E, the correction tool is used for achieving on-line bending of a metal framework obtained after rolling; F, a gluing mold and foams are used for coating the outer wall of the metal framework with a cross-linking agent; G, the cross-linking agent is solidified; H, wrapping of a resin layer is carried out, an extrusion mold and a rolling mold are located in the same straight line and are not located on the same straight line with the correction tool; I,cooling and shaping are carried out; J, blowing drying is carried out; K, traction equipment is used for traction; and L, shearing equipment is used for fixed-length saw cutting. By means of the automobile external glazing tape manufacturing technique and the correction tool applied to the technique, external glazing tapes in the forming process can be subjected to on-line bending, the wasted reserved portions are saved, and the manufacturing cost is reduced.

A method for producing a capsule for protein crystallization is provided. The method comprises adding a solution containing a protein and a gelling agent to an ionic cross-linking solution to form an ionically cross-linked gel capsule that encapsulates a solution of the protein.

The invention discloses a preparation method of double-response hydrogel ink. The method specifically comprises the steps of: firstly, preparing acryloylated F127, polymerizing and crosslinking the acryloylated F127 by using free radicals, then preparing a methacryloylated quaternary ammonium salt chitosan solution, then dissolving the cross-linked acryloylated F127 in water, adding the methacryloylated quaternary ammonium salt chitosan solution, conducting uniform stirring, adding a photoinitiator, conducting heating, and finally conducting light initiating cross-linking by using 405 nm lightof 5-10 W to prepare hydrogel, so as to obtain the double-response hydrogel ink. According to the method, chemically cross-linked F127 micelles are formed by pre-cross-linking acrylated F127, and after the chemically cross-linked F127 micelles are assembled with micellizable methacrylated quaternary ammonium salt chitosan, reversible temperature-sensitive hydrogel can be obtained, and the sol-geltransformation temperature of the reversible temperature-sensitive hydrogel can be adjusted between 28 DEG C and 40 DEG C, the mechanical strength of the gel can be adjusted and controlled through photoresponse, and the microenvironment mechanical requirements for repairing skin, cartilages and other tissues are met.

The invention belongs to the field of composite solid propellant manufacturing, and discloses a low-cost inert hydroxyl terminated polybutadiene (HTPB) composite solid propellant, which comprises an inert filler, metal powder, a binder, a plasticizer, a curing agent, a bonding agent and an anti-aging agent. The invention further discloses a preparation method of the low-cost inert hydroxyl terminated polybutadiene (HTPB) composite solid propellant, wherein the preparation method comprises: solid raw material pre-baking, wherein fine sand is screened by 20 mesh stainless steel sieve mesh to remove large-particle impurities, and aluminum powder is screened by a 40 mesh stainless steel sieve mesh; pre-mixing, wherein pre-mixing is performed by a pre-mixer in a workshop having a certain temperature and humidity; mixing, wherein the fine sand is added to the pre-mixed binder slurry containing the aluminum powder, and mechanical kneading and stirring are performed to coat the surface of thesolid particles with the binder slurry; pouring, wherein the propellant slurry is poured in an engine shell; curing, wherein the propellant is subjected to a cross-linking curing reaction; and demolding and shaping, wherein the core mold is removed from the engine. According to the present invention, the low-cost inert hydroxyl terminated polybutadiene (HTPB) composite solid propellant can meet the requirements of inert propellants with different density requirements, and the mechanical properties of the propellant can be adjusted by adjusting the bonding agent content and the parameter of theformula.

The invention relates to a plastic composite colorful kerb and a preparation method thereof and belongs to the technical field of kerb preparation. The colorful kerb is prepared from waste high polymer material, coal ash, glass fiber, cross-linking agent and toner at mass ratio of (100-120):(300-400):(30-50):(40-60):(0-20). The preparation method comprises the following steps: plasticating the waste high polymer material to molten state on an opening type mixing mill; adding coal ash, glass fiber, cross-linking agent and toner in turn, uniformly mixing and then drawing slices; cooling the slices to semi-hard state at 50-60 DEG C and putting into a granulator for chopping into grains; extruding plasticating raw materials by putting the grains into a hopper of an extruding machine and then putting into a mould; using a hydraulic machine for pressurizing, cooling and then de-molding products, thereby acquiring the colorful kerb. The colorful kerb prepared according to the invention is colorful. Toner additives and raw materials can be coordinated and blended according to the requirements of roadside green belts and construction landscapes, and the like, for the color of kerb.

The invention relates to a ketonic oxime type silicone sealant and a preparation method thereof. The ketonic oxime type silicone sealant comprises the following raw material components in parts by weight: 100 parts of dyhydroxy polysiloxane, 40-80 parts of dimethyl silicon oil, 0.5-2 parts of a component A, 0.5-2 parts of a component B, 15-25 parts of packing, 5-12 parts of a cross-linking agent,0.5-3 parts of a silane coupling agent and 0.05-0.5 part of a catalyst, wherein the component A comprises nanosilver supported by a carrier; the component B comprises a thiazole compound. The ketonicoxime type silicone sealant is not liable to yellowing, good in anti-mold effect, short in surface dry and curing time and convenient to construct.

The invention relates to the technical field of photovoltaic films, in particular to an infrared shielded EVA photovoltaic film. The infrared shielded EVA photovoltaic film is prepared from, by mass, 94.5%-98.5% of ethylene-vinyl acetate copolymer resin, 0.10%-0.75% of an infrared shielding agent, 0.30%-2.0% of an antioxidant, 0.45%-2.0% of a cross-linking agent and 0.25%-1.10% of a silane coupling agent. The infrared shielded EVA photovoltaic film has the advantages that the infrared shielding agent is selected, almost all ultraviolet rays being 1,200-2,500 nm or above can be shielded, and the temperature of a battery piece obtained after encapsulation is greatly lowered; the particle size of the selected infrared shielding agent is nanoscale, the light transmittance ranging from 400 nm to 1,200 nm can achieve 90% or above, and the output power is greatly improved.

A process is disclosed for the removal of hydrogen sulfide (H2S) from natural. This process provides for passing a natural gas feedstream comprising H2S though a regenerable adsorbent media which adsorbs H2S to provide an H2S-lean natural gas product and H2S. The regenerable adsorbent media of the present invention is a cross-linked macroporous polymeric adsorbent media

The invention provides a high voltage direct current cable insulating material and a preparation method thereof, wherein the high voltage direct current cable insulating material comprises a main material and an auxiliary material, the main material is a low density polyethylene resin, and the auxiliary material comprises a polystyrene resin, a cross-linking agent and an antioxidant. Compared withthe common cross-linked polyethylene, the high voltage direct current cable insulating material of the invention has the following characteristics that the direct current breakdown field strength isincreased within the temperature range of 30-90 DEG C, the direct current breakdown field strength is improved by 72.9% at the temperature of 70 DEG C, and the direct current breakdown field strengthis improved by 43.7% at the temperature of 90 DEG C.

The invention discloses a solvent-free type colorized anti-skid road surface adhesive. The solvent-free type colorized anti-skid road surface adhesive comprises, by weight, 68 parts to 74 parts of polyether type amines cross-linked sizing, 25 parts to 30 parts of polyisocyanate and 1 part to 2 parts of catalysts, wherein the catalysts comprise, by weight, 0.5 part to 1 part of zinc 2-ethylhexanoate and 0.5 part to 1 part of 2-ethylhexoic acid, and the polyisocyanate is diphenyl-methane-diisocyanate. Colorized ceramic particles formed by the solvent-free type colorized anti-skid road surface adhesive have the advantages that the colorized ceramic particles are environmentally friendly, the service life is long, the curing time is short, and release of construction roads is accelerated.

The invention relates to a method for carrying out mechanical activating high-concentration pulp grinding in a wet state. The specific steps comprise: adding a weighed pulp into a beaker containing water, adjusting to achieve a to-be-grinded raw material with a concentration of 1-5%, and uniformly stirring for 10 min at a room temperature; and placing the blended raw material and a grinding mediumaccording to a ratio of 100 g:150-250 g into a ball mill, inflating with CO2 gas with a pressure of 0-2 MPa, and grinding for 0.5-3 h at a temperature of 40-120 DEG C to form a pulp, wherein the process after the pulp preparing is the same as the original papermaking process. According to the present invention, the plant pulp is mechanically activated by the high energy ball mill to replace the traditional pulp grinding method, such that the squeezing, rubbing and cross-linking among the plant fibers is performed through the mechanical force so as to improve the pulp refining degree and the fiber kinking index, increase the hydration reaction interface, reduce the water consumption, and significantly improve the cohesion, the folding resistance and the tensile strength of the paper.

The invention discloses a floor tile for paving an outdoor plastic basketball court and a production method of the floor tile. A layer of polyurethane elastomer is arranged on the surface of the floor tile; the floor tile is formed by mixing a binder, an admixture, a filling agent and water to obtain slurry, forming and firing; the polyurethane elastomer is formed by mixing a component A with a component B according to the ratio being 2 to 1; the component B is prepared from diphenylmethane diisocyanate, polyether-tribasic alcohol and propylene glycol; the component A is prepared from the polyether-tribasic alcohol, polyether binary alcohol, a cross-linking agent, a plasticizer, epoxy resin, acrylic acid and an enhancer. According to the floor tile disclosed by the invention, the layer of polyurethane elastomer is paved on the surface of the floor tile in advance; when the plastic basketball court needs to be paved, the ground only needs to be slightly flattened, and the floor tiles with the polyurethane elastomers are paved on a foundation, thus finishing the pavement of the plastic basketball court; the paving requirements of the plastic basketball court are greatly reduced, the paving efficiency is improved, and the construction period is shortened.

The invention discloses an adhesive for a glass fiber mat. Either lactic acid or glycerine organic zirconium is taken as a cross-linking agent, therefore the adhesive has a significant thermo-sensitive cross-linking characteristic; furthermore, an ethylene-EA (Ethyl Acrylate) copolymer fiber-based solution is taken as a densifier, therefore a gel with good temperature resistance and shearing resistance can be formed by the cross-linking effect; in addition, a fiber processed copolymer base solution can be adopted to improve the surface activity of the copolymer, promote the cross-linking effect and improve viscoelasticity and thixotropy.