59 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.

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.

[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 present invention provides a three-dimensional printing article for making dental products and the preparation method thereof, which comprises: Ethoxylated bisphenol A dimethacrylate, Diurethane dimethacrylate, Triethylene glycol dimethacrylate, and Diphenyl (2,4,6-trimethylbenzoyl) phosphine oxide. It not only improves the present time-consuming and labor-intensive dental device making, but also can be used in mass production of dental devices.

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 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 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.