20 results about "Triethyleneglycol dimethacrylate" patented technology

The application relates to the technical field of dental biomaterials, in particular to a wear-resistant low-shrinkage dental resin composite material and a preparation method thereof, which comprises the following raw materials: bisphenol A-glycidyl methacrylate, modified black phosphorus nanosheet, modified Zr-MOF, benzoyl peroxide, silane coupling agent, camphorquinone, hydroquinone, chlorhexidine and triethylene glycol dimethacrylate. In the application, the bisphenol A-glycidyl methacrylate, the modified black phosphorus nanosheet and the modified Zr-MOF play a role through a synergistic effect. The bisphenol A-glycidyl methacrylate provides a stable carrier support for the modified black phosphorus nanosheet and the modified Zr-MOF. The modified black phosphorus nanosheet effectively reduces the friction coefficient, helps the resin matrix to maintain a better curing network structure, the modified Zr-MOF increases the rigidity and strength of the resin matrix, adsorbs free monomers in the resin matrix, delays the curing rate, reduces stress concentration, fills the shrinkage voids of the resin matrix, and ensures the long-term usability of the dental resin composite material.

The subject of the application is a method for manufacturing dental composites with phytate fillers: calcium and calcium-fluoride, characterized in that first the calcium filler is prepared by precipitation with calcium ions, and then the calcium-fluoride filler is prepared by adsorption of fluoride ions on the surface of the calcium filler, after which the organic matrix of the composite is prepared by mixing bisphenol A diglycidyl ether dimethacrylate with triethylene glycol dimethacrylate in a mass ratio of 3 to 2, and to the organic matrix prepared in this way, a photoinitiating polymerization system is added, consisting of camphorquinone and ethyl 4-(dimethylamino)benzoate in an amount of 1.0% by weight each in relation to the total mass of both resins, and mixed in an automatic mortar for 2 minutes without access to light,finally, one of the two phytate fillers (calcium or calcium-fluoride) is added and mixed in the dark for another 3 minutes until a homogeneous paste is obtained.,

The present application relates to a kind of flame-retardant polyester solid electrolyte membrane and its preparation method, belong to solid battery technical field, the preparation raw material of flame-retardant polyester solid electrolyte membrane includes neopentyl glycol diacrylate, 1-methyl-1-propyl piperidine-1-ol double ((trifluoromethyl) sulfonyl) imidazole, fluorinated ethylene carbonate, cyclobutane sulfone, sodium bis (trifluoromethylsulfonyl) imide, triethylene glycol dimethyl acrylate, azobisdimethylvaleronitrile, dust cloth, and the flame-retardant performance of this flame-retardant polyester solid electrolyte membrane is excellent, while the performance of flame-retardant polyester solid electrolyte membrane in electrochemical window and ionic conductivity etc. Excellent, the assembled solid battery has excellent electrochemical performance and stability at room temperature, and can be adapted to a variety of positive electrode materials, it is beneficial to the commercialization development of solid battery.

The invention relates to the technical field of curing adhesives, in particular to a fast-curing specimen sealing adhesive and a preparation method thereof. The rapidly-cured specimen sealing adhesive is prepared by mixing the following raw materials: mixed phenol epoxy vinyl resin, triethylene glycol dimethacrylate and a photoinitiator, wherein the mixed phenol epoxy vinyl resin is obtained by reacting bisphenol F, 4, 4 '-dihydroxybiphenyl, 4, 4, 4-trihydroxy trimethylbenzene and epoxy chloropropane, cyclizing with sodium hydroxide and esterifying with acrylic acid. The fast-curing specimen sealant provided by the invention has a fast curing effect, has high hardness and excellent adhesive force after being cured, has outstanding heat resistance, effectively prevents release of xylene, gains precious life time for patients, and shortens operation time for medical workers.

Disclosed herein is a dental composite with controlled debonding capability using heat and electric field. The dental composite includes a resin matrix phase, inorganic fillers, thermo-electric responsive agents, an initiator system, and coupling agents. The resin matrix phase includes an amount of bisphenol A-glycidyl methacrylate (Bis-GMA), an amount of triethylene glycol dimethacrylate (TEGDMA), and an amount of polyethylene glycol dimethacrylate (PEGDMA). The inorganic fillers include an amount of silane-modified silica particles and an amount of barium titanate (BaTiO₃). Thermo-electric responsive agents include an amount of doped polyaniline and an amount of polypyrrole. The initiator system includes an amount of benzoyl peroxide and an amount of camphorquinone. The coupling agents include an amount of γ- Methacryloxypropyltrimethoxysilane.

The invention relates to the technical field of OCA (Optical Clear Adhesive) tapes, and discloses an OCA tape with high re-disassembly performance and a preparation method thereof, the OCA tape structurally comprises a release film C, an upper surface adhesive A, a core material adhesive film B, a lower surface adhesive A and a release film D in sequence from top to bottom, the surface adhesive A comprises 60-85 parts by weight of an acrylate soft monomer A, 15-40 parts by weight of a hard monomer A, 4-8 parts by weight of a polyfunctional group cross-linking agent A and the like. The acrylate soft monomer A comprises butyl acrylate, acrylic acid-2-ethylhexyl ester and the like. The polyfunctional group cross-linking agent A comprises triethylene glycol dimethacrylate and the like, the initiator A is TPO and the like, the OCA adhesive tape is excellent in moisture resistance and weather resistance, adhesive tape colloid is not broken after stripping, and the detaching and returning effect is good.

The invention relates to the technical field of microneedles, in particular to a soluble microneedle. The soluble microneedle comprises a substrate and a drug-loading needle body, wherein the drug-loading needle body contains an active drug, sodium hyaluronate and trehalose; the weight-average molecular weight of the sodium hyaluronate is 150 kDa to 280 kDa; the substrate is formed by a light-cured resin monomer, a photoinitiator and a solvent, and the light-cured resin monomer comprises diurea alkane dimethacrylate and / or triethylene glycol dimethacrylate. According to the soluble microneedle, the drug-loaded matrix containing the sodium hyaluronate with the specific molecular weight is combined with the substrate made of the specific material, so that the active drug is prevented from being diffused to the substrate, the accumulative permeability is improved, meanwhile, the interface bonding strength of the drug-loaded needle body and the substrate is guaranteed, and needle breakage is reduced.

The invention relates to a dental restoration material and a preparation method thereof. The dental restoration material is prepared from the following components in parts by mass: 11 to 13.9 parts of carbamate dimethacrylate, 4.5 to 6.8 parts of triethylene glycol dimethacrylate, 0.6 to 0.9 part of tetrahydrofurfuryl methacrylate, 0.5 to 3 parts of initiator and 20 to 40 parts of inorganic filler. The dental restoration material has excellent adhesive property.

The present invention relates to a 3D printing resin composition for a transparent aligner, a method for preparing same, and a transparent aligner formed by 3D printing using same, the composition comprising 5-20 wt% UDMA (urethane dimethacrylate), 40-70 wt% BIS-GMA (bisphenol A-glycidyl methacrylate), 8-30 wt% BIS-EMA (ethoxylated bisphenol A dimethacrylate), 2-5 wt% TEGDMA (triethylene glycol dimethacrylate), 8-9 wt% modified PVA powder, 5-9 wt% of a filler, 0.72-3.7 wt% of a curing agent, and 0.1-1.0 wt% of an additive, wherein the transparent aligner can be modified to have a structure optimized for the oral cavities of individual users, and thus can maximize the aligning effect.

The application relates to the technical field of microneedles, in particular to a soluble microneedle. The soluble microneedle comprises a substrate and a drug-loaded needle body, the drug-loaded needle body containing an active drug, sodium hyaluronate and trehalose; the weight-average molecular weight of the sodium hyaluronate is 150 kDa-280 kDa; the substrate is formed by a photocuring resin monomer, a photoinitiator and a solvent, and the photocuring resin monomer comprises diurea alkane dimethyl acrylate and / or triethylene glycol dimethyl acrylate. The soluble microneedle of the application is beneficial to preventing the active drug from diffusing to the substrate, improving the cumulative penetration rate, ensuring the interface bonding strength of the drug-loaded needle body and the substrate and reducing needle breakage by adopting the drug-loaded matrix containing sodium hyaluronate with a specific molecular weight and the substrate with a specific material.

The present invention relates to a multifunctional medical patch for the gastrointestinal tract and a manufacturing method therefor and, more specifically, to a multifunctional medical patch for the gastrointestinal tract, the patch being composed of three layers including an unrolling layer, a guard layer, and a therapeutic layer, wherein the unrolling layer is composed of polyethylene glycol dimethacrylate (PEGDM) and undergoes a swelling phenomenon upon contact with liquid at the target site, the guard layer, located between the unrolling layer and the medical layer, is composed of triethylene glycol dimethacrylate (TEGDM), and the therapeutic layer contains a mucous membrane adhesive material and a medical material and adheres to a target site.

The invention provides high-acid-value polyester for a 70 / 30 mixed powder coating as well as a preparation method and application of the high-acid-value polyester, and belongs to the technical field of powder coatings. The polyester resin is obtained through polymerization of 1, 3-propylene glycol, xylitol, terephthalic acid, 1, 4-succinic acid, triethylene glycol dimethacrylate, 2-allyl cyclohexanone, acrylic acid and maleic anhydride, the high-acid-value polyester resin with insufficient compatibility of self molecular chain segments is obtained, the functionality is improved through introduction of xylitol, and the functionality is improved; the introduction of 2-allyl cyclohexanone improves the water resistance of the product, the triethylene glycol dimethacrylate improves the adhesive force of a coating film and a metal substrate, and the introduction of acrylic acid and butenedioic anhydride as active carboxyl not only improves the curing activity, but also increases the difference of carboxyl curing. The dry-mixing matting effect with the conventional 70 / 30 mixed powder coating is favorably realized.

The invention discloses a cysteine-added dental restoration resin and a preparation method thereof. The dental restoration resin is prepared from the following components in parts by weight: 60 to 70 parts of bisphenol A glycerol dimethacrylate, 30 to 40 parts of triethylene glycol dimethacrylate, 0.6 to 0.8 part of camphorquinone, 0.8 to 1.0 part of dimethylaminoethyl methacrylate, 0 to 3 parts (not 0) of 2-(methacryloyloxy) ethyl (2, 3-dihydroxybenzoyl) lysine salt, and 0 to 0.87 part (not 0) of cysteine. And then pouring into a mold, curing under visible blue light, and drying, so as to obtain the product. A light-cured resin system is formed by adding cysteine in a specific proportion into a resin system, and the mechanical properties such as the antibacterial property, the adhesive property and the hardness of the resin can be remarkably improved.

The invention relates to the field of dental restoration materials, in particular to modified ceramic-based dental restoration resin and a preparation method thereof. Aiming at the problem of polymerization shrinkage of a current photocuring dental restoration material, photocurable acryloyl and an inorganic ceramic skeleton are combined, the material has the advantages of the two materials at the same time, the inorganic skeleton is utilized to limit molecular movement, and the photocurable acryloyl is combined to construct a high-density cross-linked network, so that the material has good biocompatibility. Curing shrinkage and internal stress and small gaps caused by curing shrinkage are reduced, it is guaranteed that the ceramic-based resin composite material can uniformly transfer stress when subjected to external force, the tensile strength and bending strength of the composite material after photocuring are improved, and moisture adsorption and monomer dissolution are reduced. On the other hand, the photocuring diluent containing a polyoxypropylene chain segment is prepared by reacting (methyl) isocyano ethyl acrylate with polyether amine, and the photocuring diluent is combined with triethylene glycol dimethacrylate to be used as the diluent, so that the hydrophilicity and the water absorption rate of the composite material can be reduced.

The invention relates to the technical field of dental biomedical materials, in particular to a wear-resistant low-shrinkage dental resin composite material and a preparation method thereof. Comprising the following raw materials: bisphenol A-glycidyl methacrylate, modified black phosphorus nanosheets, modified Zr-MOF, benzoyl peroxide, a silane coupling agent, camphorquinone, hydroquinone, chlorhexidine and triethylene glycol dimethacrylate. The bisphenol A-glycidyl methacrylate, the modified black phosphorus nanosheet and the modified Zr-MOF play a role through a synergistic effect, the bisphenol A-glycidyl methacrylate provides a stable carrier supporting effect for the modified black phosphorus nanosheet and the modified Zr-MOF, and the modified black phosphorus nanosheet effectively reduces the friction coefficient; and the modified Zr-MOF improves the rigidity and the strength of the resin matrix, adsorbs free monomers in the resin matrix, delays the curing rate, reduces stress concentration, fills shrinkage gaps of the resin matrix, and ensures the long-term usability of the dental resin composite material.

The present invention discloses an oxide composite solid electrolyte membrane and a preparation method and application thereof, which is obtained by in-situ thermal polymerization of a composite membrane made of a garnet oxide electrolyte, an alkali-resistant polymer and a fiber membrane and a solution containing triethylene glycol dimethacrylate. The present invention uses a PET fiber membrane to realize batch preparation of an ultra-thin oxide solid electrolyte membrane, constructs a complete oxide lithium-conducting channel, and the ultra-thin thickness can reduce the internal resistance of the battery. The mechanical strength can meet the requirements of the winding and unwinding process of the coating and drying process, and it does not shrink or break, and can realize large-scale production and preparation; the coating process of "base film on top and slurry on the bottom" is adopted to realize the construction of the oxide lithium-conducting channel at a lower load, better cover the large pores of the fiber membrane, and prevent the battery from micro-short circuit; the garnet oxide electrolyte / PET composite membrane is in-situ thermally polymerized with TEGDMA to solve the electrode / electrolyte solid-solid interface problem caused by the rigidity of the oxide electrolyte and reduce the interface resistance.

Disclosed are a composite resin denture porcelain block, a preparation method thereof and a composite resin denture. The composite resin denture porcelain block includes 0.1% to 15% of carbamate dimethacrylate, 0.1% to 10% of bisphenol A-di glycidyl methacrylate, 3% to 20% of triethylene glycol dimethacrylate, 35% to 85% of glass powder, 0.1% to 8% of ZrO2, 3% to 15% of SiO2, 0.1% to 40% of ZrO2—SiO2 composite powder, 2% to 17% of diatomite, 0.01% to 3% of benzoyl peroxide, 0.01% to 3% of N,N dihydroxyethyl p-toluidine, 0.01% to 3% of 2,6 di-tert-butyl p-cresol, 0.001% to 0.2% of iron oxide red, 0.001% to 0.2% of iron oxide black, and 0.001% to 0.5% of iron oxide yellow. The composite resin denture porcelain block of the present application uses carbamate dimethacrylate, bisphenol A-di glycidyl methacrylate, and triethylene glycol dimethacrylate as the resin matrix.

The invention belongs to the technical field of negative electrode sides of all-solid-state batteries, and discloses preparation and application of an in-situ constructed polymer-inorganic matter composite negative electrode interface, a preparation method comprises the following steps: dissolving a lithium salt in an organic solvent, adding a polymeric monomer and an initiator, stirring to form a uniform solution, dripping the solution on a negative electrode side of a sulfide electrolyte block, and performing in-situ construction to obtain the polymer-inorganic matter composite negative electrode interface. After a lithium metal pole piece assembly battery is placed, a composite negative electrode interface is formed through heating polymerization; the lithium salt comprises lithium bis (fluorosulfonyl) imide, the organic solvent comprises ethylene glycol dimethyl ether, and the polymeric monomer comprises triethylene glycol dimethacrylate. The interface can optimize interface ion transmission and ensure close contact between an electrode and an electrolyte, meanwhile, the Young modulus of the electrolyte is improved, electrolyte decomposition and lithium dendrite growth are effectively inhibited, the problem of poor contact is solved, and the limiting current density, the cycling stability and the rate capability of the battery are remarkably improved. The battery adopting the method is simple in process, has high safety and high energy density, and shows clear application potential in the field of power batteries.

The application belongs to the technical field of all-solid-state battery negative electrode, and discloses a preparation and application of a polymer-inorganic compound negative electrode interface constructed in situ. The preparation method comprises the following steps: dissolving a lithium salt in an organic solvent, adding a polymer monomer and an initiator to stir to form a uniform solution, dropping the solution on the negative electrode side of a sulfide electrolyte block, placing a lithium metal electrode piece to assemble a battery, and then polymerizing to form a compound negative electrode interface through heating. The lithium salt comprises lithium bisfluorosulfonylimide, the organic solvent comprises ethylene glycol dimethyl ether, and the polymer monomer comprises triethylene glycol dimethacrylate. The interface can optimize ion transmission and ensure that the electrode and the electrolyte are in close contact, improve the Young's modulus of the electrolyte, effectively inhibit electrolyte decomposition and lithium dendrite growth, and improve the problem of poor contact, thereby significantly improving the limit current density, cycle stability and rate performance of the battery. The battery process using the method is simple, has high safety and high energy density, and has clear application potential in the field of power batteries.

The low-shrinkage unsaturated visible light curing resin is prepared from the following raw materials in parts by weight: 50 to 60 parts of oligomer monomer, 20 to 30 parts of diallyl isophthalate resin, 4 to 6 parts of camphorquinone, 5 to 10 parts of hydroquinone, 5 to 8 parts of triphenylphosphine, 3 to 6 parts of p-hydroxybenzaldehyde, 5 to 10 parts of triethylene glycol dimethacrylate and 10 to 20 parts of nano additive. The invention aims to provide the low-shrinkage unsaturated visible light curing resin and the preparation method thereof. The prepared curing resin has relatively low polymerization shrinkage and good mechanical properties.