23 results about "Polyethyleneglycol dimethacrylate" patented technology

The invention relates to the technical field of cables, and provides a medium-voltage power cable and a manufacturing method thereof.The medium-voltage power cable sequentially comprises a conductor, a conductor shielding layer, an insulating layer, an insulating shielding layer, a metal shielding layer, a lining layer, an armor layer and a sheath layer from inside to outside; the sheath layer comprises the following raw material components in parts by weight: 100 parts of polyvinyl chloride, 20-25 parts of a flame retardant, 30-40 parts of a plasticizer, 1-3 parts of an antioxidant and 20-25 parts of an inorganic composite material; the inorganic composite material is obtained by treating white carbon black with lignin and polyethylene glycol dimethacrylate, crushing and carbonizing. According to the technical scheme, the problem that the low temperature resistance of the medium-voltage power cable sheath layer is insufficient in the prior art is solved.

The invention discloses a surfactant with a branched structure as well as a preparation method and application of the surfactant. The preparation method comprises the following steps: carrying out Michael addition reaction on an amphiphilic branched polymer and polyfluorinated organic amine in an organic solvent in the presence of a catalyst to obtain the surfactant with the branched structure, the amphiphilic branched polymer has a hydrophilic chain segment and a hydrophobic chain segment, and the tail end of a branched molecular chain has double bonds. The amphiphilic branched polymer is obtained by copolymerization of polyethylene glycol di (methyl) acrylate and polypropylene glycol di (methyl) acrylate through active free radicals, or is prepared by Michael addition polymerization of a di (methyl) acrylate compound and a dimercapto compound or a diamine compound in an organic solvent in the presence of a catalyst. The surfactant can quickly reduce the surface tension and prolong the retention time of pesticide liquid, and is green, environment-friendly and degradable.

Disclosed in the present invention are an acrylate emulsion for a polymer cement waterproof coating, a raw material composition thereof, a preparation method therefor, and a use thereof. The raw material composition comprises the following components in parts by weight: 3-4.5 parts of sodium dodecyl diphenyl ether disulfonate, 1.5-2.5 parts of acrylamide, 2-4 parts of fatty alcohol polyoxyethylene ether, 2-4 parts of polyethylene glycol dimethacrylate, 1-2 parts of acrylic acid, 0.5-1 part of titanium triisostearoylisopropoxide, 40-60 parts of acrylate, 0.5-1 part of sodium persulfate, 50-60 parts of deionized water, and 0.1-0.3 parts of a 10% sodium hydroxide solution. The acrylate emulsion prepared by the present invention has excellent performance and good dispersibility, and a polymer cement waterproof coating prepared by using the emulsion of the present invention has lower viscosity and better workability.

The application discloses a bismaleimide-polyether amine photosensitive resin composition and application thereof in 3D printing. The bismaleimide-polyether amine photosensitive resin composition is composed of 5-50% bismaleimide-polyether amine resin, 5-50% polyurethane acrylic resin, 0-30% polyethylene glycol dimethacrylate resin, 0-30% alkoxylated acrylate, 0-25% diluent, 0.1-10% photoinitiator, 0.1-5% defoamer, 0-5% leveling agent and 0-5% antioxidant. The photosensitive resin composition is simple to prepare and low in cost, can be used in 405nm light curing 3D printing technology, introduces polyether amine segments into bismaleimide segments while ensuring good rheological viscosity performance, the photosensitive resin composition has good low-temperature resistance, and greatly expands the application range of liquid crystal photosensitive resin 3D printing products.

The invention belongs to the technical field of gel electrolytes, and particularly relates to an intrinsic flame-retardant gel polymer electrolyte, a preparation method thereof and a battery. The intrinsic flame-retardant gel polymer electrolyte comprises a flame-retardant polymer and an electrolyte, and the flame-retardant polymer comprises the following raw material components: diethyl vinyl phosphate, methyl methacrylate and polyethylene glycol dimethacrylate, diethyl vinyl phosphate is chemically bonded in a polymer network formed by cross-linking polymerization of methyl methacrylate and polyethylene glycol dimethacrylate through an in-situ thermal polymerization reaction, and the volume ratio of the dosage of methyl methacrylate to the dosage of polyethylene glycol dimethacrylate to the dosage of diethyl vinyl phosphate is (1-3): 1: 1. The electrolyte can inhibit a combustion chain reaction under extreme conditions without depending on an additional flame retardant additive, and can realize collaborative optimization of intrinsic flame retardant performance and electrochemical performance on the premise of not influencing an ion transmission channel of the electrolyte.

This invention relates to the field of polyester materials technology, specifically to a method for preparing a high-toughness polyester material and its application in a water cup. The method comprises the following raw materials in parts by weight: 100 parts polybutylene terephthalate (PBT), 4-6 parts filler, 0.2-0.4 parts compatibility agent, and 0.1-0.3 parts antioxidant. In this invention, PBT acts as a toughening material, combining with sugarcane extract to form an energy absorption network, enhancing the polyester material's resistance to deformation. The double bonds of polyethylene glycol dimethacrylate (PEG-DMA) react with the double bonds of PBT and the hydroxyl groups of polycaprolactone diol to form chemical cross-linking points, bridging the various materials and enhancing the interfacial compatibility of the materials. This allows stress to be uniformly transferred from the matrix to the filler when the material is subjected to external force, preventing fracture caused by excessive local stress, thereby improving the toughness of the polyester water cup.

The present application relates to a kind of anti-shrinkage rubber foamed material and its preparation method, application.NR / BR is as rubber main matrix, POE / EPDM is as rubber auxiliary component, select the mixture of polyethylene glycol and paraffin oil as rubber mixing dispersant, select the mixture of polyethylene glycol dimethyl methacrylate and silane coupling agent as rubber foaming control agent, with blowing agent AC, crosslinking agent DCP, stearic acid and other additives are mixed and mixed after, it is molded and foamed above 170 DEG C, finally, a kind of ultra-light, high elastic, low compression permanent deformation foamed shoe rubber new material is obtained.The composite foaming control agent and composite mixing dispersant selected in the present application can make rubber be better dispersed in the process of mixing, while ensuring that rubber material slowly foams when vulcanization foaming, obvious shrinkage will not be caused after being made into finished product, and the foamed shoe rubber material obtained has more advantages compared with EVA.

The invention discloses a preparation method of small-particle-size functionalized polymer microspheres, and belongs to the technical field of polymer preparation. The small-particle-size functionalized polymer microspheres are prepared by taking hydrophilic polyethylene glycol diacrylate or polyethylene glycol dimethacrylate as a cross-linking agent and adopting a self-stabilizing precipitation polymerization reaction. The copolymerization reaction system is composed of an electron donating monomer, an electron accepting monomer and a polyethylene glycol diacrylate or polyethylene glycol dimethacrylate hydrophilic crosslinking monomer; and after the polymerization reaction is finished, separating the narrow-distribution functionalized polymer micro-nano particles from the reaction system in a centrifugation or filtration manner. The prepared polymer microspheres are uniform in size, controllable and small in particle size, good in hydrophilicity, excellent in specific adsorption resistance and high in functional group content, and have wide application prospects in the fields of adsorption, separation, drug loading, controlled release, catalysis and the like.

The present invention provides a silicone hydrogel mixture and a wettable silicone hydrogel lens formed therefrom. The silicone hydrogel mixture comprises a polysiloxane macromolecule, a hydrophilic polymer, and a hydrophilic non-polysiloxane cross-linking agent, wherein the hydrophilic non-polysiloxane cross-linking agent is polyethylene glycol dimethacrylate (PEGDMA) having the following structural formula represented by formula (A): wherein R1 and R2 are CH3, or R1 and R2 are H, and n is an integer from 4 to 42.

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 high polymer materials, in particular to a high-temperature-resistant polymer material composition and application thereof. The composition comprises monomers such as polyethylene glycol (200) dimethacrylate, isobornyl acrylate and the like, Sadama UV (Ultraviolet) resin, a photoinitiator TPO (Thermoplastic Polyolefin) and a core functional molecule ((2-(5, 5, 5-trifluoro-1-methacrylamidopent-2-yl)-1H-benzo [d] imidazole-1-yl) methyl) phosphonic acid. The core functional molecules are prepared step by step through condensation cyclization, Michael addition, Mannich reaction, catalytic hydrogenation acylation and acidic hydrolysis, the composition and a main matrix material are mixed, a polymer microcrystalline layer with the thickness of 20 microns is formed through UV curing, and then the 3MDT dimming film is prepared. The film has excellent high-temperature-resistant stability, strong interface adhesion, rapid dimming response and good mechanical properties, can keep a stable dimming effect in a high-temperature environment, and is suitable for high-end scenes such as buildings and automobiles.

The application discloses a PVDF solid-state polymer electrolyte with an interpenetrating crosslinked network structure and a preparation method and application thereof, relates to the technical field of solid-state polymer electrolytes, and discloses the PVDF solid-state polymer electrolyte with the interpenetrating crosslinked network structure, which comprises a first network and a second network. The first network comprises a crosslinked framework formed by copolymerization of PVDF, a lithium salt, polyethylene glycol dimethacrylate and ethylene glycol methyl ether acrylate. The second network comprises a network structure formed by in-situ polymerization of ethylene carbonate and fluoroethylene carbonate. The second network and the first network are interpenetrated and wound. The application constructs a bicontinuous phase structure formed by interpenetration of a PVDF-based crosslinked framework and in-situ polymerization networks of ethylene carbonate and fluoroethylene carbonate, so as to reduce the crystallinity of PVDF, construct a continuous lithium ion transmission channel, improve the room temperature ionic conductivity, and improve the electrode interface compatibility.

A silicone hydrogel mixture and a wettable silicone hydrogel lens formed therefrom are provided. [Solution] The silicone hydrogel mixture comprises a polysiloxane polymer, a hydrophilic polymer, and a hydrophilic non-polysiloxane crosslinking agent, wherein the hydrophilic non-polysiloxane crosslinking agent is polyethylene glycol dimethacrylate (PEGDMA) having a structural formula represented by the following formula (A). JPEG2026105801000009.jpg24170 In the formula, R1 and R2 are CH3, or R1 and R2 are H, and n is an integer from 4 to 42.

The invention relates to a high-strength easy-to-tear protective adhesive tape and a preparation method thereof, and the method comprises the following steps: weighing 10-60 parts by mass of an iso-octyl acrylate solution, 30-80 parts by mass of a methyl methacrylate solution and 20-50 parts by mass of a glycidyl methacrylate solution, uniformly mixing, heating to 75-86 DEG C, adding 5-10 parts by mass of an initiator solution, continuously reacting, and cooling to room temperature to obtain the high-strength easy-to-tear protective adhesive tape. And after the reaction is finished, adding 10-30 parts of expansion microspheres, 20-50 parts of a dicarboxyl polyethylene glycol solution and 5-25 parts of a fluorine-containing epoxy monomer solution, so as to obtain the A-type glue. The preparation method comprises the following steps: weighing 70-150 parts by mass of an isooctyl acrylate solution, 15-50 parts by mass of a methyl methacrylate solution, 3-5 parts by mass of a glycidyl methacrylate solution and 30-70 parts by mass of polyethylene glycol dimethacrylate, uniformly mixing, heating to 70-82 DEG C, adding 3-7 parts by mass of an initiator solution, continuously reacting, and obtaining the type B glue after the reaction is finished. The method comprises the following steps: coating the A-type glue on a PET film material, drying after the coating is finished, applying the B-type glue on the masking paper after the masking paper is adhered to an adhesive / unadhered PET adhesive tape, and drying after the coating is finished.

The invention discloses a polypropylene composite material as well as a preparation method and application thereof, and belongs to the technical field of high polymer materials. On one hand, the invention provides a polypropylene composite material modifier, which comprises a copolymer of octadecyl methacrylate and polyethylene glycol (400) dimethacrylate. On the other hand, the invention also relates to a polypropylene composite material which comprises the following raw materials in parts by weight: 51-88 parts of PP resin; compared with the prior art, the self-made modifier is added, so that the surface polarity and interface bonding force of the polypropylene material can be improved, the prepared polypropylene composite material is applied to a coating part or a paint spraying plastic part, the use of a surface treatment process of the part can be reduced, and the polypropylene composite material is safer, more environmentally friendly and more efficient.

The invention provides a water response hardness regulation intelligent polymer as well as a preparation method and application thereof, and relates to the technical field of polymer materials. The preparation method comprises the following steps: mixing a hydrophobic monomer (benzyl methacrylate), a hydrophilic monomer (polyethylene glycol monomethyl ether methacrylate), a cross-linking agent (polyethylene glycol dimethacrylate) and a photoinitiator, and carrying out cross-linking reaction on an obtained precursor solution under ultraviolet radiation to obtain the water-responsive hardness regulation intelligent polymer. The polymer prepared by the invention is soft in a dry state and is hardened after absorbing water, so that intelligent regulation and control of water response hardness are realized; the soft state can be recovered after water absorption hardening and leaving the water environment again, and the soft and hard switching reversibility is achieved. The water response hardness regulation and control intelligent polymer prepared by the invention can be freely shaped in a dry state, then absorbs water and is hardened, meanwhile, the requirement on high modulus during use is met, and the water response hardness regulation and control intelligent polymer has a wide application prospect in the fields of biomedicine and intelligent materials for repairing or replacing articular cartilage with irregular shape and high modulus requirement.

The present application relates to the technical field of cable, and proposes a medium-voltage power cable and a manufacturing method thereof.The medium-voltage power cable comprises, from inside to outside, a conductor, a conductor shielding layer, an insulation layer, an insulation shielding layer, a metal shielding layer, an inner lining layer, an armor layer and a sheath layer.The raw material of the sheath layer comprises the following components by weight: 100 parts of polyvinyl chloride, 20-25 parts of a flame retardant, 30-40 parts of a plasticizer, 1-3 parts of an antioxidant and 20-25 parts of an inorganic composite material.The inorganic composite material is obtained by treating white carbon black with lignin and polyethylene glycol dimethacrylate, and then crushing and carbonizing.The above technical solution solves the problem of insufficient low-temperature resistance of the sheath layer of the medium-voltage power cable in the related art.

The application discloses a solid-state polymer electrolyte, a flexible electrochromic device and a preparation method, and relates to the technical field of electrochromic technology. The preparation method of the solid-state polymer electrolyte comprises the following steps: mixing polyethylene glycol dimethacrylate, thermoplastic polyurethane and a lithium salt, and performing cross-linking polymerization to obtain the solid-state polymer electrolyte. Through the preparation method, a semi-interpenetrating network is formed by the reversible physical action of a covalently cross-linked polyethylene glycol dimethacrylate three-dimensional network and thermoplastic polyurethane, and a solid-state electrolyte with high ionic conductivity and good mechanical flexibility is prepared, thereby effectively solving the problem that the existing solid-state electrolyte based on polyethylene glycol dimethacrylate cannot simultaneously consider good ion migration performance and mechanical flexibility.

The application discloses a kind of light-curable 3D printing orientation acrylic-based liquid crystal photosensitive resin composition.The composition includes:0.1~20% small molecule liquid crystal,10~80% acrylic resin,0~25% polyethylene glycol dimethyl acrylate resin,0~25% alkoxylated acrylate,0~25% diluent,1~10% photoinitiator,0.1~5% defoaming agent,0~5% leveling agent and 0~5% antioxidant.The photosensitive resin composition is simple to prepare,uses light-curing 3D printing technology to fix small molecule rod-shaped liquid crystal during printing process and realizes light orientation,at this time small molecule liquid crystal is enhanced acrylic-based photosensitive resin due to its high modulus,excellent length-diameter ratio,preparation excellent acrylic-based liquid crystal photosensitive resin composition,while small molecule liquid crystal is simple in selection and synthesis strategy,avoid the problem of long production cycle and high cost in high polymer liquid crystal synthesis,has important significance for 3D printing application field.

This invention belongs to the field of lithium-ion battery technology, specifically relating to a composite binder, its preparation method, and a lithium-ion battery. The composite binder comprises carboxymethylated tamarind polysaccharide gum and a water-based binder—a crosslinked product of polyethylene glycol dimethacrylate. The water-based binder comprises at least one of an olefinically unsaturated monomer polymer and an epoxy alkane monomer polymer, and its side chain or end group contains at least one of N and O elements. The composite binder provided by this invention, by comprising carboxymethylated tamarind polysaccharide gum and a water-based binder—a crosslinked product of polyethylene glycol dimethacrylate—possesses strong adhesive strength and can be used in the preparation of silicon-based anodes for lithium batteries, resulting in excellent cycle stability performance of the silicon-based lithium battery.

This invention discloses a solid electrolyte, a lithium-based energy storage device, and a preparation method thereof. The solid electrolyte is obtained by curing an electrolyte solution with an ultraviolet lamp. The electrolyte solution includes polyethylene glycol dimethacrylate, an initiator, and a monomer. The monomer contains fluorosulfonyl groups and ester groups. The presence of fluorosulfonyl groups in the monomer side chains can reduce the crystallinity of the polymer, effectively forming a passivation layer on the surface of the lithium anode, expanding the electrochemical window of the battery, thereby improving the cycle life of the battery. The formed flexible polymer skeleton can increase the compatibility between the electrolyte and the electrode, thereby reducing the interfacial resistance. The passivation layer can uniformly shape the interfacial electric field, regulate the diffusion of lithium ions, thereby effectively suppressing dendrite growth and achieving dense and uniform deposition. The lithium-based energy storage device using the monomer-containing electrolyte of this invention can greatly improve the cycle life of lithium half-cells, significantly improve the utilization rate of lithium metal anodes, effectively reduce the polarization voltage of the battery, and significantly improve the coulombic efficiency of the battery.

The application provides a preparation method, a use method and a device of a conductive hydrogel, and belongs to the field of biomedical materials.The method comprises the following steps: mixing a PEDOT:PSS solution and polyethylene glycol dimethacrylate, and then performing volatilization concentration to obtain a gel; adding a photoinitiator and a dopant into the gel, and then performing stirring to obtain a conductive hydrogel.Through reasonable design of raw materials for composing the conductive hydrogel, the developed conductive gel has the properties of high conductivity, high charge storage capacity, injectable rheological property, photocurability, strong adhesion, low modulus and stretchability, meets the use requirement of the injectable gel, and has good mechanical matching and functional adaptability of biological tissues, so that the conductive gel can be used for eliminating and treating atrial fibrillation of the heart.

The invention discloses a polymer solid electrolyte for a lithium ion battery and a preparation method of the polymer solid electrolyte. The polymer solid electrolyte comprises the following components in parts by weight: 2-7 parts of isobornyl methacrylate, 2-6 parts of carbitol acrylate, 8-10 parts of polyethylene glycol monomethyl ether acrylate, 1-3 parts of polyethylene glycol dimethacrylate, 2-7 parts of vinylethylene carbonate and 10-60 parts of lithium bis (trifluoromethane sulfonimide). 7 to 40 parts of butanedinitrile and 1 to 6 parts of fluoroethylene carbonate. According to the polymer solid electrolyte for the lithium ion battery and the preparation method of the polymer solid electrolyte, the polymer solid electrolyte not only has high ionic conductivity of 0.73 * 10 <-3 > S cm <-1 > and a high-voltage window of 4.75 V at room temperature, but also has certain quick charge performance, can stably circulate for 1800 circles at high magnification of 5 C, and has high charge efficiency. The excellent electrochemical performance is combined with a simple and convenient synthesis mode, so that the existing requirements on the solid electrolyte can be met.