60 results about "Triethyleneglycol dimethacrylate" patented technology

The invention discloses a dental filling composite resin using a silicon dioxide nano-fiber as a filler. The resin is prepared from the following raw materials in percentage by mass: 18-22 percent of bisphenol A-glycidyl methacrylate, 4-16 percent of triethylene glycol dimethacrylate, 0.5-1 percent of camphorquinone, 0.5-1 percent of ethyl 4-N,N-dimethylaminobenzoate and 60-75 percent of silicon dioxide nano-fiber. The preparation process is simple and easy to operate, the raw materials are easily available at relatively low price, and the prepared composite resin has excellent physical mechanical performance, good abrasion resistance and long service life, has the characteristics of light color, low polymerization shrinkage and the like, and is expected to be used in clinical application.

A 650V high-voltage aluminium electrolytic capacitor working electrolyte includes, in percentage by mass, 50% to 80% of a main solvent, 20% to 40% of auxiliary solvents, 5% to 15% of solutes, 1% to 8% of a sparking voltage enhancing agent; and the auxiliary solvents are two or more of a gamma-butyrolactone, DMF, polyethylene glycol 200, polyethylene glycol 400, a nano silica solution, glycerol, propylene carbonate, ethylene carbonate, tributyl phosphate, diethylene glycol monobutyl ether, trienthylene glycol dimethacrylate and diethylene glycol. The 650V high-voltage aluminium electrolytic capacitor working electrolyte has the advantages of low viscosity and high conductivity.

A process for producing an arginine-rich peptide mixture and the application thereof in cervical cancer therapy is provided. The process includes the following steps: A suspension of walnut meal and egg albumin is pretreated with ultrahigh pressure, and then digested by alkaline proteinase and papain in separated steps with the ultrasonic and microwave-assisted extraction. The peptides of interest are isolated from filtration supernatant obtained after the enzyme digestion by reversed phase high-performance liquid chromatography. By using the peptide mixture as a template, acrylic acid and methyl acrylic acid as functional monomers, triethylene glycol dimethacrylate as cross-linking agent, and isopropylthioxanthone in acetone as a photoinitiator, polymerization is induced by ultraviolet light to form a surface imprinted membrane for isolating and enriching the peptides of interest from the supernatant. The arginine content in the peptide mixture is more than 18%. The arginine-rich peptide mixture is able to strongly suppress the proliferation of human cervical cancer Hela cells. The approach is applicable to reduce the cost of production and speed up the commercialization of large-scale production.

A fluorescent pH transducer with internal reference consists of slide being processed by silanization, porphyrin derivative and benzo thiaanthracence derivative. The method for preparing fluorescent pH transducer with internal reference is also disclosed.

The invention discloses antibacterial monomer-containing repairing composite resin for dentistry and a preparation method thereof. The composite resin comprises 1-25% of bisphenol A-glycidyl methacrylate, 1-20% of carbamic acid ester dimethacrylate, 4-15% of triethylene glycol dimethacrylate, 1-10% of methylacryloyl oxygen dodecylpyridinium bromide, 55-80% of silicon dioxide, 0.5-1% of camphorquinone and 0.5-1% of N, N-dimethylamino ethyl methacrylate. The methylacryloyl oxygen dodecylpyridinium bromide in the composite resin is an antibacterial bonding monomer synthesized from antibacterial quaternary ammonium dodecylpyridine and polymerizable methylacryloyl groups and can be polymerized with other monomers, so that the composite resin has an antibacterial effect, and the bonding effect between the resin and teeth can be enhanced.

A cell culture apparatus and a method for fabricating the cell culture apparatus are disclosed, the method comprises forming at least one fillister on a biomaterial composite layer by photolithography, wherein the biomaterial composite layer contains two gel materials. One is a bio-compatible hydrogel composition having various weight ratio of: 2-hydroxyethylmathacrylate (HEMA), bisphenol A and glycidyl methacrylate (bis-GMA), triethylene glycol dimethacrylate (TEGDMA), r-methacryloxypropyl trimethoxysilane (MAPTMS), α,α-diethoxyacetophenone (DEAP), and the other one is a photo-sensitive silica gel composition.

The invention relates to a preparation method of a hyperbranched hydrosiloxane supercritical carbon dioxide thickener. The method includes: in the presence of a catalyst, carrying out silicon-hydrogenreaction on triethylene glycol dimethacrylate and 1, 3, 5, 7-tetramethylcyclotetrasiloxane to generate a polymer. The hyperbranched hydrosiloxane polymer supercritical carbon dioxide thickener disclosed by the invention has good temperature resistance and pressure resistance, and can realize thickening performance under different temperature and pressure conditions, has good compatibility with various cosolvents, is non-toxic and safe to use, has small damage to the stratum, is small in dosage, and has good thickening effect.

[Problems] A primer used for pre-treating the surfaces of a prosthetic, which exhibits a large adhering force at the time of adhering a prosthetic of metal oxide ceramics to an object to be joined by using an adhesive such as a dental cement, the large adhering force being maintained for extended periods of time even in a severe environment such as in an oral cavity.[Means for Solution] A primer composition for metal oxide ceramics, comprising (A) a polymerizable monomer component containing 5% by mass or more, preferably, 5% by mass to 80% by mass of an acidic group-containing polymerizable monomer as represented by a 11-methacryloyloxy-1,1-undecanedicarboxylic acid and a rest of a polymerizable monomer without acidic group, such as triethylene glycol dimethacrylate; (B) polyvalent metal ions resulting from a titanium tetrabutoxide or the like; and (C) an organic solvent such as acetone or ethyl alcohol, wherein water is not substantially contained.

The invention relates to the technical field of municipal construction, in particular to a municipal asphalt concrete pavement construction method. The method comprises the following steps of: S1, cleaning a roadbed; S2, laying a cushion layer: specifically, paving an asphalt gauze evenly in the clean roadbed, and spraying permeating oil to the gauze to form the cushion layer; S3, paving asphalt concrete: uniformly paving pre-mixed asphalt concrete on the cushion layer to form a pavement layer; and S4, compaction: compacting the pavement to obtain an asphalt concrete pavement. The asphalt concrete comprises the following components by mass: 5-10 parts of asphalt; 65-80 parts of coarse aggregate; 3-8 parts of fine aggregate; 8-13 parts of basalt fiber; 0.5-1 part of a coupling agent; 1-3 parts of triethylene glycol dimethacrylate; 0.5-1 part of clotrimazole; and 0.1-0.3 part of tridecyl phenyl ketone. The method has the effects of improving the anti-fatigue performance and anti-ruttingperformance of the asphalt concrete pavement.

The invention discloses a dental restoration technology new material for oral science and a preparing method thereof. The dental restoration technology new material is prepared from, by weight, 40-60 parts of triethylene glycol dimethacrylate, 30-50 parts of silicone resin, 3-6 parts of crystal whiskers, 5-8 parts of filler, 5-8 parts of abrasion resistant agent, 2-5 parts of mineral powder and 3-8 parts of steamed bone meal. The prepared dental restoration technology new material for the oral science is high in mechanical strength and anastomosis degree with teeth, even if the material is utilized for a long time, abutment tooth and mucosal tissue injuries cannot be not generated, no dental caries and periodontitis are caused, the material is high in plasticity, and the material is simple in preparing method and suitable for large-scale industrialized production.

The invention relates to one-component rod sticking glue and a preparation method thereof. The one-component rod sticking glue is prepared from components in parts by weight as follows: 14-26 parts of triethylene glycol dimethacrylate, 20-30 parts of hydroxypropyl methacrylate, 10-20 parts of 4-acryloylmorpholine, 30-40 parts of polyurethane acrylate, 3-5 parts of an initiator, 0.3-0.7 parts of an accelerator, 0.03-0.07 parts of a polymerization inhibitor and 0.5-1.5 parts of a thixotropic agent. The invention further provides the preparation method and an application process of the rod sticking glue. The one-component rod sticking glue has good storage stability, has the storage life as long as 1 year or longer, is high in curing activity on a resin plate, takes only 1-1.5 h to reach the maximum bonding strength, is high in bonding power and can be removed rapidly, so that the production efficiency of silicon wafers can be increased greatly.

The invention discloses a head-mounted high-definition anti-fog medical isolation mask which comprises a transparent protective cover, a cushion block and a fixing band. A high-definition anti-fog coating is arranged on the surface layer of the transparent protective cover, and the high-definition anti-fog coating is obtained by applying a high-definition anti-fog coating and then drying the high-definition anti-fog coating. The high-definition anti-fog coating comprises the following raw materials in parts by weight: 40-80 parts of a polyester acrylic monomer, 40- 80 parts of a polyurethane modified acrylic resin prepolymer, 20-70 parts of 2-acrylamide-2-methyl propane sulfonic acid, 5-30 parts of triethylene glycol dimethacrylate, 2-30 parts of inorganic oxide nanoparticles, 2-20 parts of a photoinitiator, 4-25 parts of a surface modifier, and 40-80 parts of a diluent. According to the head-mounted high-definition anti-fog medical isolation mask, pollutants such as droplets, blood, body fluid and secreta can be isolated for a wearer, and by arranging the high-definition anti-fog coating, the transparent protective cover has excellent anti-fog performance and high light transmittance.

A cell culture apparatus and a method for fabricating the cell culture apparatus are disclosed, the method comprises forming at least one fillister on a biomaterial composite layer by photolithography, wherein the biomaterial composite layer contains two gel materials. One is a bio-compatible hydrogel composition having various weight ratio of: 2-hydroxyethylmathacrylate (HEMA), bisphenolA and glycidyl methacrylate (bis-GMA), triethylene glycol dimethacrylate (TEGDMA), r-methacryloxypropyl trimethoxysilane (MAPTMS), α,α-diethoxyacetophenone (DEAP), and the other one is a photo-sensitive silica gel composition.

The invention discloses a method for preparing triethylene glycol dimethacrylate, which comprises the following steps of: (1) putting main materials of triethylene glycol and methacrylic acid into an esterification reaction container, adding a solvent, adding a catalyst and a polymerization inhibitor A, and performing mixing reaction to obtain a reaction material; (2) controlling the pressure in the esterification reaction container to be -0.04 to -0.08MPa, raising the temperature in the esterification reaction container until reflux flows out, keeping the temperature, and beginning cooling to normal temperature until no reflux flows out or an acid value in reaction solution is detected to be 3-5mgKOH / g; (3) transferring the reaction material to a washing container, adding alkali liquor, controlling the pH value of the reaction material to be 7-8, standing until the reaction material is layered, and discharging wastewater on the lower layer; and (4) transferring the reaction material of which the wastewater is removed to a distillation container, adding a polymerization inhibitor B, vacuumizing the distillation container, and distilling to remove methylbenzene to obtain the product. The product is high in purity, good in color, and high in yield.

The invention belongs to the technical field of packaging materials and particularly relates to a preparation method of fresh-keeping coated paper for fruits and vegetables. The preparation method comprises the following steps: by taking 2,3-epoxypropyltrimethylammonium chloride and triethylene glycol dimethacrylate as raw materials, carrying out quaternization and grafting modification on chitosan, then preparing coating liquid from the modified chitosan and polyvinyl alcohol, and coating the coating liquid on white cardboard to prepare antibacterial coated paper. The antibacterial coated paper prepared by the invention can be used for antirot and fresh keeping of various fruits and the vegetables.

The invention provides a preparation method of an organosilicone-modified acrylic resin. The method includes the step of performing addition polymerization on a bifunctional acrylate monomer and a hydrogen-containing phenyl silicone resin under a catalyst, wherein the difunctional acrylate monomer includes one or more of triethylene glycol dimethacrylate, polyethylene glycol diacrylate, tricyclodecane dimethanol diacrylate, ethoxylated bisphenol-A diacrylate and aliphatic polyurethane acrylate oligomer. The organosilicone-modified acrylic resin prepared by the method not only retains the physical and mechanical properties of an acrylic material, but also has the temperature resistance and weather resistance of an organosilicon material; besides, the modified acrylic resin has certain stainresistance and is resistant to temperature and weather. In the method, hydrosilylation is adopted, the reaction is simple, and the reaction product can be effectively controlled.

The invention provides a hyper-crosslinked resin and its application in adsorption separation of 5-hydroxymethylfurfural. A preparation method for the hyper-cross-linked resin comprises the following steps: S1, mixing an ester monomer, a cross-linking agent, an initiator and a pore forming agent, adding the formed mixture into an aqueous phase containing a dispersing agent, and performing suspension polymerization to obtain precursor resin; and S2, adding a swelling agent and a Lewis acid catalyst into the precursor resin, and performing a post-crosslinking reaction of a suspended double bond to obtain post-crosslinked resin, wherein the ester monomer is one or more selected from the group consisting of ethyl acrylate, butyl acrylate, triethylene glycol dimethacrylate, ethylene glycol dimethacrylate, ethylene glycol diacrylate, methyl methacrylate , glycidyl methacrylate and hydroxyethyl acrylate. The hyper-crosslinked resin provided by the invention has a BET specific surface area of 400 to 1200 m<2> / g, a pore volume of 0.1 to 2.5 cm<3> / g, and an average pore size of 1 to 20 nm.

A cell culture apparatus and a method for fabricating the cell culture apparatus are disclosed, the method comprises forming at least one fillister on a biomaterial composite layer by photolithography, wherein the biomaterial composite layer contains two gel materials. One is a bio-compatible hydrogel composition having various weight ratio of:2-hydroxyethylmathacrylate(HEMA),bisphenolA and glycidyl methacrylate (bis-GMA), triethylene glycol dimethacrylate (TEGDMA), r-methacryloxypropyl trimethoxysilane (MAPTMS), α,α-diethoxyacetophenone (DEAP), and the other one is a photo-sensitive silica gel composition.

The invention relates to a hybrid peptide with a high arginine content and an application thereof in cervical cancer treatment. The preparation method comprises the following steps: using an ultrahighpressure to preprocess walnut meal and egg-white protein suspension; using alkaline protease and papain to enzymatically hydrolyze the preprocessing product in steps under the assistance of ultrasonic waves and microwaves; filtering the enzymatic hydrolysate, subjecting obtained supernate to reversed phase high performance liquid chromatography so as to separate target hybrid peptides in the supernate; taking the hybrid peptides as the template molecule, taking acrylic acid and methacrylic acid as the functional monomers, taking triethylene glycol dimethacrylate as the crosslinking agent, taking isopropyl thioxanthone as the initiator, and carrying out polymerization triggered by UV rays to form a surface molecularly imprinted membrane, which is used to separate and enrich target hybrid peptides in the supernate of the enzymatic hydrolysate. The arginine content of obtained hybrid peptide is more than 18%. The MTT method detection result show that the hybrid peptide with a high arginine content can effectively inhibit the proliferation of human cervical cancer Hela cell. The provided method reduces the product cost and the industrial production is promoted.

The invention relates to the field of adhesives, and discloses a water-borne pressure sensitive adhesive. The water-borne pressure sensitive adhesive is made of raw material comprising resin, emulsifier and an initiator, wherein the resin comprises a UV (ultraviolet) monomer, the UV monomer is hexanediol diacrylate, trimethylolpropane tripropionate and triethylene glycol dimethacrylate, the weight of the hexanediol diacrylate is 3.5-8% of the total weight of the resin, the weight of the trimethylolpropane tripropionate is 2-7% of the total weight of the resin, and the weight of the triethylene glycol dimethacrylate is 2.5-6% of the total weight of the resin. The water-borne pressure sensitive adhesive has the characteristic of being high in stripping force, and can be used on polyvinyl chloride advertisement stickers.

The invention relates to preparation of a high-performance low-shrinkage hyperbranched polyamine-ester composite resin for dental repair. The high-performance low-shrinkage hyperbranched polyamine-ester composite resin for dental repair is prepared by mixing modified hyperbranched polyamine-ester with a general-purpose resin monomer, a photoinitiator and a silanized inorganic filler, wherein the modified hyperbranched polyamine-ester is obtained by reacting hyperbranched polyamine-ester with a modifier, the modifier is hydroxyethyl methylacrylate and 2, 4-toluene diisocyanate, and the general-purpose resin is bisphenol A-glycidyl dimethacrylate, carbamate dimethacrylate and triethylene glycol dimethacrylate. According to the invention, the prepared composite resin has excellent mechanical strength, bending strength, bending modulus and compression strength which are respectively 108.52 to 124.20 MPa, 8.6 to 9.37 GPa and 301.5 to 373.34 MPa; and the hyperbranched monomer containing double bonds and benzene rings and low in viscosity is prepared and added into a traditional organic matrix, so that the polymerization shrinkage rate of the composite resin material during curing is effectively reduced, and the polymerization shrinkage rate is 1.9-2.84%.

The invention discloses antibacterial monomer-containing repairing composite resin for dentistry and a preparation method thereof. The composite resin comprises 1-25% of bisphenol A-glycidyl methacrylate, 1-20% of carbamic acid ester dimethacrylate, 4-15% of triethylene glycol dimethacrylate, 1-10% of methylacryloyl oxygen dodecylpyridinium bromide, 55-80% of silicon dioxide, 0.5-1% of camphorquinone and 0.5-1% of N, N-dimethylamino ethyl methacrylate. The methylacryloyl oxygen dodecylpyridinium bromide in the composite resin is an antibacterial bonding monomer synthesized from antibacterial quaternary ammonium dodecylpyridine and polymerizable methylacryloyl groups and can be polymerized with other monomers, so that the composite resin has an antibacterial effect, and the bonding effect between the resin and teeth can be enhanced.

The invention relates to the field of adhesives, and discloses a water-based pressure-sensitive adhesive. The raw materials of the water-based pressure-sensitive adhesive include: resin, emulsifier and initiator; wherein, the resin includes UV monomer; the UV monomer is hexanediol diacrylate, trimethylol propane tripropionate or triethylene glycol Glycol dimethacrylate, wherein, the mass of hexanediol diacrylate is 3.5-8% of the total mass of the resin, the mass of trimethylolpropane tripropionate is 2-7% of the total mass of the resin, triethylene diacrylate The mass of alcohol dimethacrylate is 2.5%-6% of the total mass of the resin. The water-based pressure-sensitive adhesive has the characteristics of high peeling force and can be applied to polyvinyl chloride advertising stickers.

The invention discloses a ceramic lamp holder for an LED (Light Emitting Diode) lighting lamp. The ceramic lamp holder is prepared through grinding the following ingredients in parts and then carrying out firing: 180-200 parts of china clay, 20-25 parts of clay, 30-35 parts of clay ceramsite, 20-25 parts of pearlite, 50-60 parts of vermiculite, 15-20 parts of meerschaum, 10-15 parts of aluminum silicate, 5-6 parts of polyacrylamide, 6-8 parts of sodium methylsilicate, 8-10 parts of isooctyl triethoxysilane, 10-12 parts of rosin resin, 10-12 parts of petroleum resin, 8-10 parts of polyester resin, 3-5 parts of hydroxypropyl methylcellulose, 2-5 parts of dimethylacetamide, 3-5 parts of triglycol dimethacrylate, 3-5 parts of tetramethyl ammonium chloride, 3-5 parts of calcium chloride and 3-5 parts of zinc chloride. According to the ceramic lamp holder for the LED lighting lamp, the forming time is greatly shortened, the efficiency is increased, the ceramic lamp holder has relatively high strength and is not prone to breakage, delicate shapes and structures can be formed in a manner of being matched with steel molds, the calcining deformation rate is low, the calcining shrinkage is low, and thus the requirements of the lamp holder on shape size accuracy are met.

The invention relates to a hybrid peptide with a high arginine content and an application thereof in stomach cancer treatment. The preparation method comprises the following steps: using an ultrahighpressure to preprocess walnut meal and egg-white protein suspension; using alkaline protease and papain to enzymatically hydrolyze the preprocessing product in steps under the assistance of ultrasonicwaves and microwaves; filtering the enzymatic hydrolysate, subjecting obtained supernate to reversed phase high performance liquid chromatography so as to separate target hybrid peptides in the supernate; taking the hybrid peptides as the template molecule, taking acrylic acid and methacrylic acid as the functional monomers, taking triethylene glycol dimethacrylate as the crosslinking agent, taking isopropyl thioxanthone as the initiator, and carrying out polymerization triggered by UV rays to form a surface molecularly imprinted membrane, which is used to separate and enrich target hybrid peptides in the supernate of the enzymatic hydrolysate. The arginine content of obtained hybrid peptide is more than 18%. The MTT method detection result show that the hybrid peptide with a high arginine content can effectively inhibit the proliferation of human stomach cancer SGC-7901 cell. The provided method reduces the product cost and the industrial production is promoted.

The invention relates to a mixed peptide with high arginine content and its application in the treatment of breast cancer. The preparation method comprises the following steps: pretreating the walnut meal and egg white protein suspension by ultra-high pressure, and then using alkaline protease and papain to enzymolyze the pretreated product step by step under the assistance of ultrasonic waves and microwaves; enzymatic hydrolysis The supernatant liquid after liquid filtration was separated by reversed-phase high performance liquid chromatography to separate the target mixed peptide; the mixed peptide was used as template molecule, acrylic acid and methacrylic acid were functional monomers, triethylene glycol dimethacrylate was The coupling agent, isopropylthioxanthone as the initiator, UV-induced polymerization to form a surface molecularly imprinted membrane, which is used to separate and enrich the target mixed peptides in the enzymatic hydrolysis solution. The content of arginine in the mixed peptide is more than 18%; it is found by the MTT method that the homo-arginine mixed peptide can effectively inhibit the proliferation of human breast cancer MCF‑7 cells. This law helps to reduce product cost and accelerate the realization of industrialized production.

The time-release dental adhesive is made as a two-part preparation to increase shelf life. The first part contains three monomers (hydroxyethyl methacrylate [HEMA], triethyleneglycol dimethacrylate [TEG-DMA], and bisphenol A di(ethyl-methacrylate) [BPA-DEMA]), glycerol, a polymerization catalyst, a filler, and a stabilizer. The second part contains the same three monomers listed above, an acrylic resin to increase viscosity, an accelerator, a filler, and a sugar or sugar-based sweetener. When desired for use, the two parts are mixed in a 1:1 ratio by weight. The adhesive cures to a strong, hard bonding agent, but gradually weakens in the presence of moisture to provide a time-release adhesive. The amount of elapsed time before release of the adhesive may be controlled by changing the quantity of sugar or sugar-based sweetener in the adhesive.

Disclosed is an anti-UV LED light decay, radiation cross-linked polyethylene insulating material, and a preparation method thereof. The raw materials comprise a matrix resin, a specific photoinitiator, a specific photoinitiator aid, and a specific multi-functional group crosslinking aid. The matrix resin is composed of polyethylene resin, a light-transmitting resin, and an ethylene-vinyl acetate copolymer. The preparation method comprises weighing each raw material in accordance with a formula, mixing and stirring the polyethylene resin, the specific photoinitiator, the specific photoinitiator aid and the specific multi-functional group crosslinking aid to prepare a premix, mixing the premix with the remaining raw materials, and extruding same to form and obtain an insulating material. The insulating material of the present invention can be processed at a low temperature, and has a sufficient degree of crosslinking without the need to reduce the extrusion speed.