31 results about "Diallyl phthalate" patented technology

To provide an actinic-ray-curable ink composition having favorable fluidity and capable of imparting favorable dry-down and scratch resistance to a printed matter obtained by the use thereof while reducing the use of photopolymerization initiators by using monomers and oligomers that can be polymerized even without using a photopolymerization initiator and even while reducing the use of diallyl phthalate resin from an environmental perspective. The above-described problem is solved by an actinic-ray-curable ink composition comprising a component (A) that is at least one polymer or resin selected from (A1) a polymer of allyl monomers, (A2) a rosin-modified resin, and (A3) a terpene monomer skeleton-containing resin, and a component (B) that is (B1) a monomer and / or an oligomer having an amine functional group and / or (B2) both a monomer and / or an oligomer not having an amine functional group but having an aryl ketone skeleton or an alkyl aryl ketone skeleton, and a polyether acrylate having an amine functional group.

The invention discloses a high-toughness polycarbonate modified material as well as a preparation method and application thereof. The high-toughness polycarbonate modified material is prepared from the following components in parts by weight: 82 to 110 parts of polycarbonate, 4 to 7 parts of core-shell type impact modifier, 8 to 15 parts of filler, 1 to 3 parts of flame retardant, 0.15 to 1.5 parts of antioxidant and 0.1 to 0.5 part of lubricant, wherein the core-shell type impact modifier comprises the following components in parts by weight: 43-56 parts of an emulsifier, 90-113 parts of a polymeric monomer, 2.5-6 parts of a crosslinking monomer, 32-45 parts of a shell layer monomer and 0.1-1 part of an initiator, the polymeric monomer at least comprises acrylic acid and phenyl acrylate, and the mass ratio of the acrylic acid to the phenyl acrylate is 1: (0.8-1.2); the crosslinking monomer comprises diallyl phthalate and acrylic acid-2-phenyl propyl ester, and the mass ratio of the diallyl phthalate to the acrylic acid-2-phenyl propyl ester is 3: (0.5-1). The toughness of the carbonic ester can be improved through the position and interaction of benzene rings in a main chain and a branch chain in the molecular structure of the modifier.

This invention belongs to the field of packaging and printing materials, specifically relating to a high-temperature resistant water-based micro-crosslinked transfer coating. The raw materials for this high-temperature resistant water-based micro-crosslinked transfer coating consist of the following components: methacrylic acid, N-hydroxymethylacrylamide, butyl acrylate, methyl methacrylate, diallyl phthalate, 1,6-hexanediol diacrylate, tricyclodecanedimethylol diacrylate, trimethylolpropane triacrylate, di(trimethylolpropane)tetraacrylate, potassium persulfate, sodium bicarbonate, alkylphenol polyoxyethylene ether ammonium sulfate, nonylphenol polyoxyethylene ether, deionized water, ethanol, ammonia, wetting agent, defoamer, and film-forming agent. Its beneficial effects include a stable reaction process during the preparation of this high-temperature resistant water-based micro-crosslinked transfer coating, reducing the likelihood of slag formation or explosive polymerization; high gloss in the coating film; good adhesion to vacuum metallization; minimal fogging or whitening; high-temperature molding resistance up to 180℃; and easy peeling of PET film with a high yield.

This protective plate for battery cells is arranged on at least the side surfaces of the battery cells in a battery module having a plurality of battery cells, and is configured from a cured product of a thermosetting resin composition containing: a thermosetting resin; the resin composition comprises at least one of phenolic resin, unsaturated polyester resin, diallyl phthalate resin and epoxy resin; and an inorganic fiber filler. A cured product of the thermosetting resin composition is configured such that the thermal conductivity is 20 W / mK or less and the retention rate of the flexural modulus measured by the following high-temperature exposure test is 75%-100% (inclusive).

The invention relates to the technical field of primer, in particular to high-adhesion primer for a vehicle and a preparation method of the high-adhesion primer. The high-adhesion primer for the vehicle comprises the following raw materials in parts by weight: 40-60 parts of epoxy resin, 20-30 parts of amino resin, 4-6 parts of granules, 2-4 parts of pigment, 2-4 parts of polyethylene glycol, 0.6-0.8 part of a defoaming agent, 0.6-0.8 part of a flatting agent and 0.06-0.08 part of modified cardanol. In the second base material, hydroxyethyl methylacrylate is polymerized to form an organic shell, dibenzoyl peroxide initiates free radical crosslinking, diallyl phthalate serves as a cross-linking agent to form a wear-resistant polymer network, microspheres can form a core-shell structure through physical mixing and chemical modification, the hardness is enhanced through an inner core of the microspheres, and the wear resistance of the microspheres is improved. The interface bonding between the shell and the resin matrix is improved, so that the automotive primer is stably bonded with a coating surface, and the adhesive force of the automotive primer is improved.

The invention relates to a high-alcohol-resistance and thixotropy acrylic emulsion with a core-shell structure, a preparation method of the acrylic emulsion and application of the acrylic emulsion in water-based wine bottle paint, and the acrylic emulsion is prepared by taking an inner-layer core structure as a main component and containing a cross-linking monomer and taking an outer-layer shell structure as a main component under the action of an initiator and an emulsifier. The hydrophobic monomer is formed by compounding styrene, butyl acrylate, methyl methacrylate and hydroxyethyl methylacrylate; the hydrophilic monomer is formed by compounding methacrylic acid, butyl acrylate, methyl methacrylate and hydroxyethyl methylacrylate; and the cross-linking monomer is one or more of allyl methacrylate, diallyl phthalate and N-hydroxymethyl acrylamide. When the silver powder is applied to the water-based wine bottle paint, the obtained water-based wine bottle paint not only has good wine resistance but also has very good long-term storage stability while having good silver powder arrangement characteristics, and a serious post-thickening phenomenon is avoided.

The invention relates to a hybridoma cell strain capable of secreting a diallyl phthalate monoclonal antibody and application of the hybridoma cell strain, and belongs to the technical field of immunodetection. The monoclonal antibody secreted by the hybridoma cell strain has excellent affinity and sensitivity to diallyl phthalate, IC50 of the monoclonal antibody to the diallyl phthalate reaches 500 ng / mL, and the monoclonal antibody secreted by the hybridoma cell strain has excellent affinity and sensitivity to structural analogues of the diallyl phthalate. The invention relates to a method for preparing diisononyl phthalate, which is characterized in that the diisononyl phthalate, such as dimethyl phthalate, diethyl phthalate, dinonyl phthalate, butyl benzyl phthalate, diisobutyl phthalate, di (2-ethylhexyl) phthalate and diisononyl phthalate, are not subjected to cross reaction. Therefore, the monoclonal antibody provided by the invention can be used for preparing an immunodetection product of diallyl phthalate, and an efficient detection method and means are provided for residue detection of diallyl phthalate in food.

The invention discloses a production method and device for a continuously wound glass reinforced plastic pipe with fatigue resistance and chemical resistance, and the production method is characterized by comprising the following steps: driving a mold to rotate by a driving device, and then winding an anti-leakage film on the mold; the diallyl phthalate and unsaturated polyester resin composite liquid is sprayed on the anti-leakage film; the chopped glass fibers are scattered on the composite liquid of the diallyl phthalate and the unsaturated polyester resin on the anti-leakage film; scattering granular fillers such as quartz sand outside the chopped glass fibers; high-linear-density continuous fibers are wound outside the chopped glass fibers and the quartz sand and enter a curing room to be subjected to far infrared and induction heating curing; after curing, the formed continuous winding glass fiber reinforced plastic is cut by a cutting device. The adhesive force of the glass fiber is improved and the curing shrinkage rate of the pipeline is reduced by utilizing diallyl phthalate to form a compact structure, so that the compactness of a pipe body is improved, and the fatigue resistance and chemical resistance are further improved.

The invention relates to the technical field of silicone rubber, in particular to a modified silicone rubber material and a preparation method thereof. The preparation method comprises the following steps: 1, contacting white carbon black with water vapor for primary heat treatment to obtain dechlorinated white carbon black, and then contacting the dechlorinated white carbon black with water and a modifier for secondary heat treatment to obtain modified white carbon black; 2, tabletting raw silicone rubber, the modified white carbon black, a heat-resistant additive, a vulcanizing agent and a vulcanizing aid to obtain a mixed rubber sheet, and vulcanizing the mixed rubber sheet to obtain a modified silicone rubber material; the vulcanizing agent comprises at least one of dicumyl peroxide, bis (tert-butylperoxy) isopropyl benzene and 2, 4-dichlorobenzoyl peroxide; the vulcanizing aid is prepared from at least one of N, N '-m-phenylenedimaleimide, trimethylolpropane triacrylate, trimethylolpropane trimethacrylate and diallyl phthalate. The method provided by the invention can make the silicone rubber material have good mechanical properties at normal temperature and excellent compressive deformation resistance at high temperature.

The invention discloses a solid adsorbent for selective adsorption of condensate oil chlorinated hydrocarbon. Raw materials of the solid adsorbent comprise an oil phase and a water phase, wherein the oil phase is prepared from the following components in parts by weight: 8 to 10 parts of octadecyl methacrylate, 1 to 3 parts of butyl methacrylate, 1 to 3 parts of diallyl phthalate and 0.5 to 1.0 part of cross-linking agent; the water phase is prepared from the following components in parts by weight: 0.5 to 1.0 part of an initiator, 0.1 to 1.0 part of a dispersing agent and 30 to 80 parts of water. According to the invention, rigid monomer divinyl phthalate is introduced into an acrylate polymerization system, so that a solid adsorbent with a stable three-dimensional porous structure is successfully constructed, and specific adsorption is enhanced through a polar effect while physical adsorption sites are increased; therefore, the solid adsorbent can efficiently adsorb chlorinated hydrocarbon pollutants in condensate oil in a high-capacity mode, and rapid separation and selective removal of the chlorinated hydrocarbon pollutants in an oil phase are achieved.

An active energy ray-curable ink composition is provided that exhibits both satisfactory adhesiveness and fluidity despite use a polymer of allyl monomer as a binder resin instead of conventional diallyl phthalate resin. The active energy ray-curable ink composition comprises a compound having an ethylenically unsaturated bond, an (A) component being a polymer of an allyl monomer represented by Formula (1), and a (B) component being a resin of modified rosin and / or a resin containing a terpene monomer backbone:where R1 and R2 are each independently a hydrogen atom or an alkyl group of 1 to 5 carbon atoms, X is an n-valent group comprising a 4 to 8 membered fatty ring skeleton, and n is 2 or 3.

To provide a resin molding material that achieves both tracking resistance and heat resistance. [Solution] The resin molding material of the present invention comprises a diallyl isophthalate resin and aluminum hydroxide, wherein the content of the diallyl isophthalate resin is 20.0% by mass or more and 33.0% by mass or less, and the content of the aluminum hydroxide is 6.0% by mass or more and 40.0% by mass or less. The resin molding material preferably further contains a non-polymerized diallyl phthalate compound. The non-polymerized diallyl phthalate compound is preferably diallyl isophthalate.

The invention relates to the technical field of high polymer materials, and discloses an ethanol-resistant emulsion for fireproof fibers and a preparation method thereof. The emulsion is prepared from water, an SR-10 emulsifying agent, diacetone acrylamide, adipic dihydrazide, diallyl phthalate, trimethylolpropane trimethacrylate, methacrylic acid, octyl acrylate, styrene, acrylonitrile, vinyl trimethoxy silane, ammonium persulfate, tert-butyl hydroperoxide, D-sodium erythorbate, ammonia water and a sterilizing agent. The preparation method comprises the steps of emulsion preparation, heating reaction, adding of vinyltrimethoxysilane in batches, heat preservation, oxidation-reduction reaction, normal-temperature crosslinking and the like. According to the invention, the reactive emulsifier containing an ammonium group, the large-molecular-weight soft monomer and acrylonitrile with good solvent resistance are adopted for copolymerization, vinyl trimethoxy silane is added twice, and the prepared emulsion does not bubble, discolor and swell after being soaked in 50% and 75% ethanol aqueous solutions for 24 hours, and has good toughness.

This invention discloses a precast concrete lining for shield tunnels and its preparation method, relating to the field of civil engineering composite materials technology. The raw materials include: 320-350 parts cement, 650-700 parts coarse aggregate, 60-80 parts organic aggregate, 10-20 parts redispersible latex powder, 500-550 parts sand, 95-130 parts magnetic water-reducing microcapsules, 60-75 parts steel fiber, 150-165 parts water, and 85-90 parts fly ash. The magnetic water-reducing microcapsules contain the following components by weight: 5-7 parts hydroxypropyl cellulose, 3-5 parts γ-Fe₂O₃, 50-70 parts rubber powder, 2-5 parts diallyl phthalate, and 80-110 parts water-reducing agent. This invention regulates the release of the water-reducing agent and rubber powder, improving the fluidity of the concrete while also enhancing compressive strength, impact toughness, and the self-healing effect of microcracks.

The present invention discloses an adsorbent material, a preparation method thereof and an application thereof. Among the synthesis raw materials of the adsorbent material, there are monomers of diallyl phthalate and styrene with a volume ratio of 1:0.05 to 20, and the two are the total volume of the monomers, denoted as the total monomers; there is tert-butylhydroquinone, and the content is 20-10000 ppm, preferably 200-5000 ppm, based on the total monomers contained. The adsorbent material can adsorb polycyclic aromatic hydrocarbons in wastewater and has excellent adsorption selectivity.

The invention discloses a method for preparing a high-strength, corrosion-resistant PPO resin-based copper-clad laminate, and specifically relates to the technical field of copper-clad laminates. The invention wraps a PPO resin-based impregnating material on the surface of an electronic glass fiber cloth, which can effectively ensure the structural strength and corrosion resistance of the copper-clad laminate; the increase in the polyphenylene ether content in the PPO resin-based impregnating material helps to enhance the bending strength of the copper-clad laminate, and the vinyl-terminated polyphenylene ether long chain uniformly dispersed in the cyanate resin matrix initiates a free radical reaction under the action of tert-butyl perbenzoate, and forms a semi-interpenetrating network structure with the cyanate resin, so that the bending performance of the composite material is correspondingly improved; the interpenetrating network structure formed after diallyl phthalate / polyphenylene ether and cyanate resin are cured increases the gap between molecular chains, thereby further reducing the dielectric constant and ensuring the low dielectric constant of the copper-clad laminate; the composite filler can effectively improve the corrosion resistance of the copper-clad laminate.

The present invention discloses a car cover film and a preparation method thereof, relating to the technical field of polymer materials. The car cover film comprises the following raw materials, measured by weight: 35-45 parts of acrylate-terminated hyperbranched silicone-modified polyurethane, 3-5 parts of bis(1-vinyl imidazole-2-) ketone, 2-4 parts of diallyl phthalate, 3-5 parts of N-(4-cyano-3-trifluoromethylphenyl) methacrylamide, 2-4 parts of allyl diglycol dicarbonate, 8-12 parts of hyperbranched polysulfoneamine, 1-3 parts of 1,3-bis(oxiranylmethyl)-5-(2-propenyl)-1,3,5-triazine-2,4,6(1H,3H,5H)-trione, 1-3 parts of tricyclo[5.2.1.02,6]decyl acrylate, and 1-3 parts of a photoinitiator. The car cover film has a significant flame retardant effect and excellent wear resistance, aging resistance, and yellowing resistance.

The invention provides a diallyl phthalate copolymer containing an epoxy structure as well as a preparation method and application of the diallyl phthalate copolymer. The diallyl phthalate copolymer is obtained by copolymerizing diallyl phthalate, a ternary epoxy allyl ether compound and a quaternary epoxy allyl ether compound, and the three monomers are copolymerized to obtain the diallyl phthalate copolymer containing the epoxy structure. An epoxy group is successfully introduced into the structure of the diallyl phthalate copolymer, so that the curing rate and the deep curing effect of a resin composition taking the diallyl phthalate copolymer as base resin are improved; meanwhile, a ternary epoxy group and a quaternary epoxy group are simultaneously introduced into the structure of the diallyl phthalate copolymer, so that the crosslinking density of the resin composition is effectively improved, and a cured product of the resin composition has excellent heat resistance, solvent resistance and impact resistance.

A battery cell, battery module, battery pack, or encased inverter has a housing with a fire resistant body. The fire resistant body includes: a thermoplastic substrate optionally free of flame retardants and having an inner surface and an opposite outer surface, and a nickel layer having a thickness of 10 to 60 microns plated on at least a portion of the inner surface, or both the inner surface and the outer surface of the thermoplastic substrate. The thermoplastic substrate has a plateable layer formed from a plateable composition containing at least one of acrylonitrile-butadiene-styrene, polycarbonate, polyetherimide, polysulfone, polyphenylene oxide, polyarylether, polytetrafluoroethylene, diallyl phthalate, polyacetal, poly ethersulfone, urea formaldehyde, phenolic, a blend of acrylonitrile-butadiene-styrene and a polyester, an acid functionalized polyethylene copolymer or an ionomer thereof, an acid functionalized polypropylene copolymer or an ionomer thereof, or an acid functionalized polyamide copolymer or an ionomer thereof.

To provide an actinic-ray-curable ink composition having favorable fluidity and capable of imparting favorable dry-down and scratch resistance to a printed matter obtained by the use thereof while reducing the use of photopolymerization initiators by using monomers and oligomers that can be polymerized even without using a photopolymerization initiator and even while reducing the use of diallyl phthalate resin from an environmental perspective. The above-described problem is solved by an actinic-ray-curable ink composition comprising a component that is at least one polymer or resin selected from a polymer of allyl monomers, a rosin-modified resin, and a terpene monomer skeleton-containing resin, and a component that is a monomer and / or an oligomer having an amine functional group and / or both a monomer and / or an oligomer not having an amine functional group but having an aryl ketone skeleton or an alkyl aryl ketone skeleton, and a polyether acrylate having an amine functional group.

The application discloses a photovoltaic cable for a sea surface wind power system, which comprises copper conductors twisted by a plurality of copper wires, a surface of the copper conductors is coated with an insulating layer, and a sheath layer is coated on the outer surface of the insulating layer; the sheath layer is composed of the following components in parts by weight: ethylene-octene copolymer 50 parts, ethylene-vinyl acetate copolymer 20-40 parts, LLDPE resin 15-30 parts, organic flame retardant 8-20 parts, anti-UV agent 0.3-1 part, irradiation sensitizer 0.5-1.2 parts, lubricant 1-2 parts, antioxidant 0.5-1.5 parts, maleic anhydride 1-3 parts, and oleic acid amide 0.7-2 parts; the irradiation sensitizer is at least one of triallyl isocyanurate, triallyl isocyanurate, and diallyl phthalate. The photovoltaic cable for the sea surface wind power system improves the color stability of the sheath layer of the cable in day-night seasonal changes and improves the weather resistance of the cable according to the harsh use environment of the offshore photovoltaic cable.

The present invention provides a resin molding material that achieves both tracking resistance and heat resistance. This resin molding material is characterized by including a diallyl isophthalate resin and aluminum hydroxide, wherein the diallyl isophthalate resin content is 20.0 mass% to 33.0 mass%, and the aluminum hydroxide content is 6.0 mass% to 40.0 mass%. The resin molding material preferably further includes a diallyl phthalate compound in a non-polymerized state. The diallyl phthalate compound in a non-polymerized state is preferably diallyl isophthalate.

The invention discloses a resin lens KR54M anti-static pressure monomer as well as a preparation method and application thereof, and belongs to the technical field of resin lenses. The invention relates to a resin lens, which is prepared from the following components in parts by weight: 60 to 100 parts of polyurethane acrylate prepolymer, 35 to 60 parts of diallyl phthalate, 2 to 10 parts of resin lens KR54M anti-static pressure monomer, 1 to 3 parts of photoinitiator and 0.5 to 1 part of ultraviolet light absorber. The problem of difficult demolding is fundamentally solved, the efficiency is improved, the rejection rate is reduced, and green production (without a demolding agent) is realized. The resin lens is excellent in quality, the lens body is free of release agent pollution, a perfect substrate is provided for subsequent coating, and the adhesive force of a film layer is remarkably enhanced. According to the invention, internal demoulding and a high refractive index function are successfully integrated into one molecule, so that multi-functionalization of the material is realized.

To provide a resin molding material with excellent tracking resistance, heat resistance, and moldability. [Solution] The resin molding material of the present invention contains a diallyl phthalate resin, and is characterized in that the comparative tracking index according to (Method 1) below is 800V or higher, and the glass transition temperature is 200°C or higher and 300°C or lower. (Method 1) A resin molding material is transfer molded under the conditions of a mold temperature of 165°C, an injection pressure of 5MPa, and a curing time of 240 seconds to obtain a circular molded body with a diameter of 50mm and a thickness of 3mm. The comparative tracking index of the obtained molded body is then measured. At voltages of 600V or less, the measurement is performed in accordance with the test method specified in the international standard IEC60112. At voltages exceeding 600V, the electrode is fixed in accordance with the test method specified in the international standard IEC60112 by rotating it 180° with the longitudinal direction of the electrode as the axis of rotation, so that the angle between the molded body and the electrode is 30°.

This application relates to the field of high-performance adhesive tapes, and more specifically, to a PI silicone gold finger tape and its preparation method. The tape includes a body, from which a polyimide film layer, an organosilicon base layer, and an organosilicon pressure-sensitive adhesive layer are sequentially disposed from the upper surface to the lower surface. The organosilicon pressure-sensitive adhesive layer is prepared by curing the following raw materials in parts by weight: 100 parts organosilicon pressure-sensitive adhesive, 1-3 parts crosslinking agent, 70-100 parts solvent, and 2-8 parts synergist. The synergist is composed of α-Q-trialkoxysilane-terminated polyurethane, diallyl phthalate, and a mixture of isocyanate-containing phenyl organosilicon. The synergist formed by the three compounds in the above scheme synergistically constructs an interpenetrating crosslinking network, thus enabling the tape to exhibit wide-temperature-range adhesive stability, no residue after peeling after treatment at 260℃ for 30 minutes, and excellent long-term aging resistance, meeting the extreme requirements of high-end applications.

The application discloses a high-toughness polycarbonate modified material and a preparation method and application thereof. The high-toughness polycarbonate modified material comprises the following components in parts by weight: polycarbonate 82-110 parts, core-shell impact modifier 4-7 parts, filler 8-15 parts, flame retardant 1-3 parts, antioxidant 0.15-1.5 parts, and lubricant 0.1-0.5 parts. The core-shell impact modifier comprises the following components in parts by weight: emulsifier 43-56 parts, polymerized monomer 90-113 parts, crosslinking monomer 2.5-6 parts, shell monomer 32-45 parts, and initiator 0.1-1 part. The polymerized monomer at least comprises acrylic acid and phenyl acrylate, and the mass ratio of the two is 1:(0.8-1.2). The crosslinking monomer comprises diallyl phthalate and 2-phenylpropyl acrylate, and the mass ratio of the two is 3:(0.5-1). The application can improve the toughness of the carbonate by the position and interaction of benzene rings in the main chain and the branch chain of the molecular structure of the modifier.

This invention discloses an inorganic-doped surface-grafted demulsification functional layer oil-water separation microsphere resin agglomeration material and its preparation method. The invention uses diallyl phthalate-acrylate highly absorbent resin as a substrate, and simultaneously introduces a certain proportion of hydrophilic monomers to form a synergistic effect. Through multi-level structural design, surface phosphonation modification is initiated, and chemically grafted demulsification functional molecular chain matrix and -Si-O-P-inorganic nanoparticles are constructed on the resin surface. This creates a four-in-one micro-nano multi-level rough structure integrating "highly absorbent substrate-phosphine coordination interface-micro-nano rough structure-demulsification functional layer," possessing both demulsification and agglomeration adsorption functions. This invention achieves the coupling of demulsification and agglomeration adsorption functions at the molecular scale, exhibiting highly efficient separation performance for emulsified oily wastewater. It realizes integrated and efficient separation of emulsified oily wastewater through demulsification-agglomeration-adsorption, and possesses excellent cyclic regeneration stability.

The invention discloses a weaving method of a composite fiber thermal fabric, and particularly relates to the technical field of ethylene propylene diene monomer. The method comprises the following steps: mixing and melting TPO particles, a low-temperature activator and hydrogenated petroleum resin into a viscous fluid; dispersing the EPDM fine powder in an isooctane solvent to form colloid, and adding a foaming agent and a room-temperature vulcanizing agent; dOTP powder is plasticized, and then an ultraviolet light initiator and a reaction type plasticizer are mixed; a knitting machine is used, and in the knitting process, three functional materials of PVC, EPDM and TPO are accurately injected to fiber cross nodes, yarn gaps and specific surface positions through a micro quantitative injection system; finally, the braided fabric is sequentially subjected to ultraviolet radiation, medium-wave infrared heating and normal-temperature vulcanization multi-stage energy field treatment. Through the synergistic effect of microinjection and an energy field, a stable three-dimensional interpenetrating network structure and an elastic aerogel isolation area are constructed in the fabric, and excellent heat retention property, mechanical strength and durability are achieved.

The invention discloses a shield tunnel prefabricated assembly type lining concrete and a preparation method thereof, and relates to the technical field of civil engineering composites, the shield tunnel prefabricated assembly type lining concrete comprises the following raw materials: 320-350 parts of cement, 650-700 parts of coarse aggregate, 60-80 parts of organic aggregate, 10-20 parts of redispersible latex powder, 500-550 parts of sand, 95-130 parts of magnetic water-reducing microcapsules, 60-75 parts of steel fiber, 150-165 parts of water, and 85-90 parts of fly ash; the magnetic water-reducing microcapsule is prepared from the following raw materials in parts by weight: 5 to 7 parts of hydroxy propyl cellulose, 3 to 5 parts of gamma-Fe2O3, 50 to 70 parts of rubber powder, 2 to 5 parts of diallyl phthalate and 80 to 110 parts of a water reducing agent. According to the present invention, the release of the water reducing agent and the rubber powder is adjusted, and the effects of compressive strength improving, impact toughness improving and micro-crack self-repairing are achieved on the basis of the concrete fluidity improving.

The invention relates to the technical field of primer, in particular to high-adhesion primer for a vehicle and a preparation method of the high-adhesion primer. The high-adhesion primer for the vehicle comprises the following raw materials in parts by weight: 40-60 parts of epoxy resin, 20-30 parts of amino resin, 4-6 parts of granules, 2-4 parts of pigment, 2-4 parts of polyethylene glycol, 0.6-0.8 part of a defoaming agent, 0.6-0.8 part of a flatting agent and 0.06-0.08 part of modified cardanol. In the second base material, hydroxyethyl methylacrylate is polymerized to form an organic shell, dibenzoyl peroxide initiates free radical crosslinking, diallyl phthalate serves as a cross-linking agent to form a wear-resistant polymer network, microspheres can form a core-shell structure through physical mixing and chemical modification, the hardness is enhanced through an inner core of the microspheres, and the wear resistance of the microspheres is improved. The interface bonding between the shell and the resin matrix is improved, so that the automotive primer is stably bonded with a coating surface, and the adhesive force of the automotive primer is improved.