228 results about "Isooctyl acrylate" patented technology

The invention relates to the technical field of high polymer materials, in particular to ethylene-vinyl acetate copolymer modified polypropylene high-toughness plastic particles and a preparation process thereof. The composite material is prepared from the following raw materials in parts by weight: 60 to 80 parts of polypropylene, 15 to 30 parts of ethylene-vinyl acetate copolymer, 5 to 10 parts of maleic anhydride-2-ethylhexyl acrylate copolymer grafted ethylene-vinyl acetate copolymer, 3 to 8 parts of nano silicon dioxide / graphene quantum dot composite filler, 5 to 12 parts of polyolefin elastomer, 0.5 to 2 parts of antioxidant and 0.5 to 2 parts of lubricant. The content of vinyl acetate in the ethylene-vinyl acetate copolymer is 20-33 wt%, the composite filler is modified through a silane coupling agent KH-560, the grafting rate of the grafted ethylene-vinyl acetate copolymer is 1.5-3.5 wt%, and the composite filler is prepared through a melt grafting method. Through multi-component collaborative design and process optimization, the low-temperature toughness, rigidity, heat resistance and aging resistance of the material are improved, the problems of rigidity and toughness imbalance, low-temperature brittleness, poor stability and the like of a traditional modification system are solved, and the material is excellent in comprehensive performance and wide in application range.

The invention relates to a degradable acrylic pressure-sensitive adhesive and a preparation method thereof, and belongs to the technical field of acrylic pressure-sensitive adhesives. The degradable acrylic pressure-sensitive adhesive provided by the invention is prepared from the following raw materials: polylactic acid, butyl acrylate, 2-ethylhexyl acrylate, benzoyl peroxide, ethyl acetate, temperature-sensitive microcapsules, a tackifier, an antioxidant and a stabilizer. The degradable acrylic pressure-sensitive adhesive disclosed by the invention is prepared from a plurality of components, and the polylactic acid not only endows the pressure-sensitive adhesive with good biodegradability, but also provides proper mechanical strength and flexibility; butyl acrylate and 2-ethylhexyl acrylate are combined, so that the pressure-sensitive adhesive has excellent adhesion and weather resistance; due to the introduction of the temperature-sensitive microcapsules, the tackifier, the antioxidant and the stabilizer, the performance of the pressure-sensitive adhesive is further improved, and the degradability of the pressure-sensitive adhesive is improved.

The invention discloses a preparation method of a vehicle-mounted OCA optical adhesive, and belongs to the technical field of optical adhesive materials. The vehicle-mounted OCA optical adhesive comprises an optical light release film, an acrylic adhesive layer and an optical heavy release film which are sequentially arranged from top to bottom, the preparation method comprises the following steps: mixing and stirring an acrylic pressure-sensitive adhesive, 2-ethylhexyl acrylate, isobornyl acrylate, acryloylmorpholine, dodecyl ester, N-vinyl pyrrolidone, a bridging agent and a photoinitiator, filtering, and defoaming to obtain an acrylic adhesive; and coating a release film with the obtained acrylic adhesive, and irradiating the release film with a halogen lamp to obtain the vehicle-mounted OCA optical cement. The vehicle-mounted OCA optical adhesive prepared by the invention has better high-temperature-resistant and high-temperature-resistant and high-humidity-resistant effects, is simple in preparation process and is suitable for large-scale production.

The invention discloses an OCA (Optical Clear Adhesive) solution for a folding screen protective film, the OCA solution comprises an optical raw adhesive, a curing agent and a first solvent, the raw adhesive is prepared from the following raw materials in parts by mass: 270-283 parts of 2-ethylhexyl acrylate, 50-62 parts of butyl acrylate, 318-330 parts of methyl acrylate, 40-55 parts of acrylic acid, 1-2 parts of gamma-acryloyloxypropyltrimethoxysilane, 2.1-2.3 parts of an initiator and 1250-1350 parts of a second solvent; the second solvent comprises methylbenzene and ethyl acetate. According to the OCA optical glue solution for the folding screen protection film, raw glue is prepared from the isooctyl acrylate, the butyl acrylate, the methyl acrylate, the acrylic acid, the gamma-acryloyloxy propyl trimethoxy silane and the initiator in a toluene and ethyl acetate compounded solvent system, and an OCA glue layer with excellent stripping force, light transmittance, holding power and bending resistance is obtained after curing; and the cost of the raw materials is optimized, and the method is more economical.

The invention belongs to the technical field of high polymer materials, and discloses a force-induced unclonable label as well as a preparation method and application thereof. Electronegative monodisperse polymer nanospheres are prepared through emulsion polymerization, and after being swelled by using an isooctyl acrylate monomer, the nanospheres, acrylamide and ethylene glycol dimethacrylate are mixed, polymerized and photocured to form the structural color hydrogel film. The hollow-out steel template is used for mechanical force pressing, randomly-distributed microcrystalline light spots are obtained after a solvent is volatilized, the optical property of force-induced discoloration is displayed, and rapid and effective identification can be achieved. Compared with a traditional hydrogel anti-counterfeit label, the label has higher stability and reusability, does not need a solvent, and is environmentally friendly and practical. The technology not only realizes high-level anti-counterfeiting and encryption, but also has the potential of large-scale production.

The invention discloses an acrylate finishing emulsion and a preparation method thereof, and the acrylate finishing emulsion comprises the following components in parts by mass: 18-30 parts of styrene, 5-15 parts of methyl methacrylate, 1-5 parts of 2-ethylhexyl acrylate, 5-14 parts of butyl acrylate, 0.5-1 part of acrylic acid, 0.6-1.2 parts of acrylamide, 0.8-2 parts of a high-density crosslinking monomer, 0.2-0.5 part of an initiator, 0.7-1 part of an emulsifier and 50-60 parts of water. 0.1-0.5 part of an oxidant, 0.1-0.5 part of a reducing agent, 1-5 parts of a pH regulator and 10-20 parts of an inorganic material; after the emulsion is coated to form a film, the hardness, the water resistance, the stain resistance, the low-temperature stability and the temperature change resistance are remarkably improved, and the acrylate emulsion with high hardness, high water resistance and high stain resistance can be prepared.

The invention provides an acrylate assistant for PVC (polyvinyl chloride) and a preparation method of the acrylate assistant, and belongs to the technical field of acrylate assistants. The preparation method comprises the steps of nano montmorillonite functionalization, synthesis of a core layer, synthesis of a middle layer and synthesis of a shell layer. The synthesis step of the core layer comprises the following steps: adding a core layer emulsion into a reaction kettle, adding an ammonium persulfate solution for the first time, heating to 64-68 DEG C, adding an ammonium persulfate solution for the second time, and reacting for 48-55 minutes to obtain a functionalized core emulsion; the core layer emulsion is prepared from deionized water, functionalized nano montmorillonite, sodium allyloxy hydroxypropyl sulfonate, butyl acrylate, 2-ethylhexyl acrylate, hydroxyethyl methylacrylate and gamma-methacryloyloxypropyltrimethoxysilane through ultrasonic treatment, and the core layer emulsion is prepared from the deionized water, the functionalized nano montmorillonite, the sodium allyloxy hydroxypropyl sulfonate, the butyl acrylate, the 2-ethylhexyl acrylate, the hydroxyethyl methylacrylate and the gamma-methacryloyloxypropyltrimethoxysilane through ultrasonic treatment; the prepared acrylate auxiliary agent is used in PVC, the fluidity can be improved, and meanwhile the impact resistance, the strength performance and the high-temperature stability performance are enhanced.

The invention relates to the technical field of semiconductor wafer processing, and particularly discloses an adhesive tape for semiconductor wafer thinning and a preparation process thereof. The adhesive tape for semiconductor wafer thinning comprises a base material layer and a bonding layer arranged on the surface of the base material layer, the base material layer is made of polyolefin, and the bonding layer is a modified acrylic acid adhesive layer; the modified acrylic acid adhesive layer is prepared from the following raw materials in parts by weight: 60 to 70 parts of 2-ethylhexyl acrylate, 15 to 25 parts of butyl acrylate, 5 to 10 parts of methyl methacrylate, 2 to 5 parts of hydroxyethyl acrylate, 0.5 to 2 parts of glycidyl methacrylate, 1 to 3 parts of a modifier, 0.8 to 1.2 parts of an isocyanate cross-linking agent, 0.3 to 0.8 part of an epoxy cross-linking agent and 0.3 to 0.8 part of azodiisobutyronitrile. According to the adhesive tape for semiconductor wafer thinning, the fixing and protecting effects on the wafer are improved.

The invention discloses an environment-friendly anticorrosive coating for ships and a preparation method thereof, and belongs to the technical field of anticorrosive coatings. The preparation method comprises the following steps: mixing 2-ethylhexyl acrylate, methyl methacrylate, allyl polyethyoxyl sulfonate, n-hexadecane, alkyl polyoxyethylene ether and deionized water, adding a polyurethane-polyurea emulsion, antibacterial functional microspheres, a wear-resistant functional filler and aluminum paste, stirring and dispersing, and adding ammonium persulfate for polymerization reaction to obtain a polyurethane-polyurea-acrylic emulsion; and finally, mixing a curing agent to obtain the environment-friendly anticorrosive paint for ships. The anticorrosive paint is a water-based paint, and is more environment-friendly and safer compared with a paint using an organic solvent; the antibacterial functional microspheres take urea-formaldehyde resin as a shell, so that the antibacterial functional microspheres have better compatibility with the anticorrosive paint; baicalin is free of pollution to the marine environment, has a broad-spectrum antibacterial effect, and is beneficial to inhibition of initial growth of fouling organisms, reduction of attachment and reproduction of the fouling organisms on the surface of a ship and reduction of the risk of biological fouling.

The invention discloses a waterproof pressure-sensitive adhesive tape and a production process thereof, and relates to the technical field of pressure-sensitive adhesives. The production process of the waterproof pressure-sensitive adhesive tape at least comprises the following steps: uniformly stirring 2-ethylhexyl acrylate, n-butyl acrylate, methyl methacrylate, acrylic acid, hydroxyethyl acrylate, a polymerizable catechol monomer and a solvent, and adding an initiator to react to obtain an acrylate copolymer solution; uniformly mixing fluorine-containing side chain diisocyanate and a catalyst, and dropwise adding the mixture into the acrylate copolymer solution for reaction to obtain a pressure-sensitive adhesive; mixing the pressure-sensitive adhesive solution with a curing agent, defoaming, coating on a base film, drying and curing to obtain the waterproof pressure-sensitive adhesive tape. The waterproof pressure-sensitive adhesive tape prepared by the invention has the characteristics of strong viscosity and good waterproofness.

The invention relates to the technical field of coatings, in particular to a high-performance styrene-acrylic emulsion, a preparation method thereof and application of the high-performance styrene-acrylic emulsion in coatings. The preparation method of the styrene-acrylic emulsion comprises the following steps: adding a surfactant, a buffer agent, 2-ethylhexyl acrylate, n-butyl acrylate, styrene, ethylene glycol dimethacrylate and monomer acrylic acid into a first part of water, and uniformly dispersing to obtain a prefabricated emulsion; heating the first part of the prefabricated emulsion, adding the first part of the initiator solution, and keeping the temperature; adding a second part of the prefabricated emulsion and a second part of the initiator solution, and heating and preserving heat after the addition is finished; and cooling the system, adding a third part of the initiator solution, continuously keeping the temperature, then cooling, and regulating the pH value of the system by using a second neutralizer, thereby obtaining the product. The styrene-acrylic emulsion is used as a component of the water-based heat insulation and heat preservation coating and can absorb more hollow microspheres and SiO2 aerogel cement in the coating, so that the coating has higher heat insulation and heat preservation performance, and the coating also has higher mechanical performance.

The invention relates to a pressure-sensitive adhesive film and a preparation method thereof, and belongs to the technical field of high polymer materials. The pressure-sensitive adhesive film is prepared from the following components in parts by weight: 70 to 95 parts of 2-ethylhexyl acrylate, 5 to 20 parts of methyl methacrylate, 2 to 15 parts of acrylic acid, 0.1 to 2.0 parts of an emulsifier, 30 to 140 parts of deionized water, 0.02 to 1.2 parts of a buffering agent, 0.1 to 10 parts of a high-temperature-resistant modifier, 0.1 to 5 parts of a flame retardant and 0.2 to 1.5 parts of an initiator, the maleimide enhances the intermolecular force and improves the glass transition temperature, the melting point and the heat resistance of the material, the phosphite decomposes hydroperoxide and prevents yellowing, and the carbazole monomer improves the high temperature resistance; phenyl dichlorophosphate and ammonium polyphosphate in the flame retardant form phosphate, air and heat are effectively isolated, phosphorus-oxygen and silicon-oxygen bonds are cooperated, and the flame retardant efficiency is improved. The pressure-sensitive adhesive film prepared by the preparation method disclosed by the invention not only has an excellent permanent adhesion effect, but also has good flame retardance and high-temperature resistance.

The invention relates to the technical field of high polymer materials, and particularly discloses an environment-friendly halogen-free flame-retardant cable composition as well as a preparation method and application thereof. The environment-friendly halogen-free flame-retardant cable composition comprises the following components in parts by mass: 60-70 parts of polyethylene; 30-35 parts of a modified filler; 3-6 parts of an auxiliary agent; the preparation method of the modified filler comprises the following steps: 1) preparing a modification liquid; 2) adding an inorganic filler into the modification liquid, and modifying at normal temperature to obtain a modified mixture; 3, the modified mixture is heated to remove the organic solvent, modified filler is obtained, and the modified liquid is formed by compounding a halogen-free flame retardant, dodecyl triethoxy silane, epoxy chloropropane, 2-ethylhexyl acrylate and an organic solvent.The flame-retardant PE cable material has the advantages that the flame retardance of the PE cable material is improved, and meanwhile the influence on the strength is reduced.

The invention relates to the field of thermal insulation coatings, and discloses a building thermal insulation coating and a preparation method thereof. The coating provided by the invention comprises a water-based acrylate emulsion, hollow ceramic microbeads, nano silicon dioxide and a hydrophobic silane auxiliary agent, the water-based acrylate emulsion is prepared from 2-ethylhexyl acrylate, isobornyl methacrylate, hydroxypropyl acrylate, polyethylene glycol methyl ether acrylate and glycidyl methacrylate. The heat insulation temperature difference of the coating reaches up to 26.8 DEG C, and the heat conductivity coefficient is only 0.069 W / (m.K). In a wet, cold and hot cycle test, the foaming, peeling and cracking phenomena do not occur after 20 cycles.

The preparation method comprises the following steps: weighing the following raw materials in parts by weight: 18-25 parts of methyl methacrylate, 25-30 parts of n-butyl acrylate, 30-35 parts of 2-ethylhexyl acrylate, 10-15 parts of acrylic acid, 8-10 parts of a reinforcing additive, 1-2 parts of benzoin diethyl ether and 15-20 parts of propylene glycol methyl ether acetate, and uniformly mixing the raw materials, the UV-cured acrylic adhesive tape is prepared by coating an adhesive tape base material with a modified reinforcing agent, then carrying out ultraviolet irradiation treatment, rolling and storing in a dark place, and the modified reinforcing agent contains double bonds and triple bonds in the ultraviolet irradiation process and can be cross-linked with other monomers to increase cross-linking points, so that the rigidity and heat resistance of polyacrylic acid are improved; the modified reinforcer contains a polyhedral oligomeric silsesquioxane structure, a benzene ring and a cyclodextrin structure, and the cyclodextrin structure can interact with a polymer chain to increase the mobility of the polymer chain, so that the flexibility and impact resistance of the material are improved.

The invention relates to the field of acrylic foam materials, and discloses a high-temperature-resistant acrylic foam adhesive tape and a preparation method thereof. The invention relates to a high-temperature-resistant acrylic foam adhesive tape, which consists of a first release film, an acrylic foam adhesive layer and a second release film from top to bottom, the acrylic foam adhesive is prepared from the following raw materials in parts by weight: 100 to 120 parts of 2-ethylhexyl acrylate-acrylic acid copolymer, 0.1 to 0.3 part of cross-linking aid, 4 to 8 parts of hollow glass beads, 3 to 5 parts of high-temperature-resistant resin, 0.2 to 0.8 part of photoinitiator, 0.05 to 0.1 part of foaming agent and 0.05 to 0.1 part of pigment. The high-temperature-resistant acrylic foam adhesive tape prepared by the invention is applied to automotive interior fitting, has relatively good bonding stability, and is not easy to soften, displace and fall off in long-term sun exposure and high-temperature environments.

The invention belongs to the technical field of building materials, and discloses a special emulsion for large-particle-size high-air-permeability soft porcelain and a preparation method and application thereof, and the emulsion comprises a seed phase, a core emulsion phase, a hard-shell pre-emulsion phase, an initiation system and a post-treatment auxiliary agent; the core emulsion phase comprises deionized water, 2-ethylhexyl acrylate, glycidyl methacrylate, a toughening aid, ethyl phosphate methacrylate and an OP-10 emulsifier; the toughening aid is a polyether-polyester block copolymer; the post-treatment auxiliary agent comprises an antibacterial flame retardant, an organic silicon defoaming agent and ammonia water, the antibacterial flame retardant is a benzisothiazolinone derivative containing phosphorus and nitrogen, performance complementation is achieved through the layered design of a core-shell structure, and meanwhile the stability and adhesive force are improved by means of the reactive emulsifier and the functional monomer; in addition, the polyether polyester block type reactive toughening aid and the phosphorus and nitrogen-containing benzisothiazolinone derivative antibacterial flame retardant are added, so that synergistic optimization of toughening, antibacterial and flame retardant is realized.

The invention relates to the technical field of inflatable bubble bag composite film processing, in particular to a preparation process of a paper protective inflatable bubble bag composite film and a product thereof, and the preparation process comprises the following preparation steps: S1, coating waterproof and air-isolating glue on the surface of a base material, and drying to form a waterproof and air-isolating layer to obtain a waterproof and air-isolating composite film, the waterproof and air-insulation glue is prepared by mixing polyvinyl alcohol, polyurethane modified organic silicon, water-soluble chitosan, water-soluble acrylic resin, 2-ethylhexyl acrylate, a cross-linking agent, ethanol and water; s2, the kraft paper and the waterproof and air-proof composite film are pressed at the pressing temperature of 140-150 DEG C and the pressing pressure of 12-16 MPa, so that the kraft paper and the waterproof and air-proof layer are adhered to each other, and a kraft paper composite film is obtained; s3, tearing off the base material layer; and S4, the surface of the waterproof and air insulation layer is coated with heat sealing glue, drying is conducted, and the paper protective inflatable bubble bag composite film is obtained and has good waterproof and air insulation performance.

The invention discloses a double-layer acrylic acid OCA optical adhesive for a folding screen and a structural characterization method of the double-layer acrylic acid OCA optical adhesive, and belongs to the technical field of optical adhesives. The OCA optical cement comprises an upper high-creep layer and a lower high-recovery layer, and an intersoluble cross-linked structure is formed on the interface of the two layers through a gradient curing process. The upper layer formula contains 70-90 parts of 2-ethylhexyl acrylate and 10-30 parts of hydroxy butyl acrylate; the formula of the lower layer comprises 20-35 parts of isobornyl acrylate, 50-70 parts of 2-ethylhexyl acrylate and 5-15 parts of hydroxy butyl acrylate. And the longitudinal crosslinking density gradient is represented by adopting a unilateral nuclear magnetic resonance depth analysis technology. The contradiction between high adhesion and high resilience of the folding screen OCA is solved, high light transmittance, low haze, high stripping force and high creep recovery rate are achieved, and the resistance change rate is remarkably reduced after dynamic folding.

The invention discloses a modified PVC (polyvinyl chloride) particle and a preparation method thereof in the field of high polymer material modification, the modified PVC particle takes PVC resin as a matrix, and two brand new modifiers, namely a silicon-boron-nitrogen hybrid epoxy nanosphere and epoxidized soybean oil-maleic anhydride-2-ethylhexyl acrylate random copolymer, and other auxiliaries are added. The silicon-boron-nitrogen hybrid epoxy nanospheres are prepared by the following steps: hydrolyzing tetraethoxysilane and triethyl borate in absolute ethyl alcohol to generate a silicon-boron alcohol intermediate, then carrying out sol-gel reaction on the silicon-boron alcohol intermediate and glycidyl methacrylate to form a hybrid network containing an epoxy group, and finally carrying out ultrasonic dispersion. The epoxidized soybean oil-maleic anhydride-2-ethylhexyl acrylate random copolymer is prepared by carrying out ring opening on epoxidized soybean oil and peracetic acid to generate epoxidized soybean oil acrylate, and then carrying out free radical copolymerization reaction on the epoxidized soybean oil acrylate, maleic anhydride and 2-ethylhexyl acrylate. The method is suitable for the fields of high-end building materials, automotive interiors and the like.

The invention discloses a polymer emulsion, a preparation method and an application method of the polymer emulsion in preparation of a thick coating type polymer cement coating. The polymer emulsion is prepared from the following raw materials: a monomer, an emulsifier, an initiator and an auxiliary agent, the monomers comprise styrene, butyl acrylate, 2-ethylhexyl acrylate and functional monomers, and the functional monomers comprise acrylamide, methacrylic acid and beta-acryloyloxy propionic acid; the auxiliary agent comprises a retarder and a dispersing agent. When a thick coating type polymer cement coating prepared from the polymer emulsion disclosed by the invention is prepared into a thick coating film, the thick coating cracking condition of the coating can be overcome, and the open time is good.

The invention relates to the technical field of optical transparent adhesives, and particularly discloses a flexible screen optical transparent adhesive film and a preparation method of the flexible screen optical transparent adhesive film. Comprising the following steps: mixing 2-ethylhexyl acrylate, 2-[2-[2-(2-hydroxyethoxy) ethoxy] ethoxy] ethyl acrylate, an acrylic acid short-chain prepolymer, a chain transfer agent and a photoinitiator, stirring, and performing ultraviolet irradiation to obtain an acrylic acid prepolymer; adding a coupling agent, a cross-linking agent, an antioxidant and a photoinitiator into the acrylic prepolymer, mixing, stirring, and carrying out vacuum defoaming to obtain a mixture; and filling the mixture between the release protective films and then carrying out ultraviolet curing. The flexible screen optical transparent adhesive film provided by the invention can meet low elastic modulus at normal temperature and low temperature, high peel strength at normal temperature and high temperature and excellent creep property, can balance the three components, can meet various requirements of flexible screen display equipment at the same time, and has a good application prospect.

The invention discloses a high-temperature-resistant high-peel-strength pressure-sensitive adhesive, an aluminum foil adhesive tape and a preparation method. The preparation method of the high-temperature-resistant high-peel-strength pressure-sensitive adhesive comprises the following steps: preparing raw rubber from the following components in parts by weight: 5-15 parts of isopropanol, 200-220 parts of ethyl acetate, 120-140 parts of 2-ethylhexyl acrylate, 150-160 parts of n-butyl acrylate, 4-8 parts of hydroxyethyl acrylate, 10-15 parts of acrylic acid, 4-8 parts of beta-carboxyethyl acrylate and 0.5-1.5 parts of a peroxide initiator by adopting a method of solvent polymerization and step-by-step addition; the finished product glue comprises 90-110 parts of raw glue, 30-50 parts of tackifying resin, 10-30 parts of ethyl acetate and 0.5-1.0 part of a curing agent, the raw materials are weighed and uniformly stirred in a glue preparation kettle, the finished product glue is prepared, and the adhesive is good in high temperature resistance and also has excellent initial adhesion, peel strength and holding power. The aluminum foil adhesive tape prepared from the high-temperature-resistant high-peel-strength pressure-sensitive adhesive is high in tensile strength, strong in adhesive force, good in water resistance and corrosion resistance and good in high-temperature resistance, and can meet the application requirements of special occasions.

The invention discloses a low-dielectric optical transparent adhesive film and a preparation method thereof, and relates to the field of adhesive films. When the low-dielectric optical transparent adhesive film is prepared, nano silicon dioxide sequentially reacts with 2-(4-chlorosulfonylphenyl) ethyltrimethoxysilane and 2, 2 ', 4, 4'-tetrahydroxybenzophenone, and modified silicon dioxide is prepared; the modified silicon dioxide, 4-vinylpyridine, allyltrimethoxysilane, 2-ethylhexyl acrylate, butyl acrylate, hydroxyethyl acrylate, diallyl phosphate and isophorone diisocyanate are subjected to a reaction, then ferric chloride is added, a polytetrafluoroethylene plate is coated and cured, and an adhesive film matrix is prepared; and carrying out surface treatment on the adhesive film substrate by using dimethoxydimethylsilane to prepare the low-dielectric optical transparent adhesive film. The low-dielectric optical transparent adhesive film prepared by the invention has flame-retardant, durable and waterproof capabilities.

The present application relates to the technical field of adhesive, disclose a kind of water-resistant plastic flocking latex emulsion and its preparation method and application, the flocking latex emulsion includes styrene, isooctyl acrylate or 2-ethylhexyl methacrylate, unsaturated organic acid, hydroxyethyl acrylate, diacetone acrylamide, adipic acid dihydrazide, initiator, reactive emulsifier, water.The emulsion is reasonably compounded by rigid and flexible monomer, so that the polymer has suitable glass transition temperature, so that the polymer can be fully film.Formed by isooctyl acrylate or 2-ethylhexyl methacrylate of long-chain ester, provide excellent water resistance for polymer.The carboxyl in unsaturated organic acid and the hydroxyl in hydroxyethyl acrylate can improve the adhesion and binding force of the polymer to the plastic substrate.Add DAAM and ADH, crosslinking occurs between emulsion particles, which is beneficial to improve the water resistance of latex film.Add reactive emulsifier, which can reduce the probability of water molecules invading the latex film.

The invention relates to the technical field of fabrics, in particular to an anti-pilling skin-friendly fabric and a preparation method thereof. The preparation method comprises the steps that cashmere and bamboo fibers are adopted as raw materials to prepare a fabric base, the fabric base is soft in touch feeling and has excellent skin-friendly performance, after the fabric base cloth is subjected to fulling milling treatment, the fabric base cloth is soaked into a fabric which is prepared from 2-ethylhexyl acrylate, hydroxyethyl methylacrylate, alkenyl modified nano-zinc oxide, 5 ', 5-diallyl-2, 4, 6-trimethyl-1, 3-pentanediol monoisobutyrate, 2, 3, 5-trimethyl-1, 3-pentanediol padding treatment is carried out in a finishing agent emulsion prepared from 2, 2 '-biphenol, vinyl silicone oil, an emulsifier, a photoinitiator and deionized water, and then polymerization crosslinking is carried out under ultraviolet irradiation to form a resin film layer, so that the anti-pilling effect of the fabric is further improved; wherein the anti-pilling performance can be improved through fulling milling treatment, the antibacterial performance of the fabric can be effectively improved through addition of nano-zinc oxide and 5 ', 5-diallyl-2, 2'-biphenol, and the softness of the fabric can be effectively improved through addition of silicone oil.

The invention provides a mussel bionic composite adhesive and a preparation method thereof, and belongs to the technical field of high-performance adhesives. The composite material is prepared from 88 parts by mass of premixed mother liquor, 3-6 parts by mass of a silane coupling agent KH-560 and 4-8 parts by mass of nano-hydroxyapatite, 3, 4-dihydroxy phenyl methacrylamide is taken as an adhesion function core of the premixed mother liquor, is cooperated with 2-ethylhexyl acrylate and isobornyl methacrylate, and is compounded with a specific composite photoinitiator, an antioxidant 1010 and an ultraviolet absorbent 328. The preparation method comprises the following steps: preparing premixed mother liquor under the dark condition of 30 DEG C, primarily dispersing the premixed mother liquor, the silane coupling agent and the nano-hydroxyapatite under normal pressure, and performing vacuum stirring, dispersing and degassing under-0.05 to-0.08 MPa. The adhesive has excellent adhesion to inorganic base materials such as hydroxyapatite and natural stone, has compressive strength of more than or equal to 22MPa and high elongation at break of 35-55%, has outstanding weather resistance and stable performance after long-term ultraviolet aging, and is suitable for the fields of medical bone repair material fixation, stone adhesion, high-end composite material forming and the like.

The invention discloses a mining closed thin layer spraying material and a preparation method thereof, and relates to the technical field of composite materials. The invention relates to a preparation method of a mining closed thin-layer spraying material, which comprises the following steps: taking butyl acrylate and 2-ethylhexyl acrylate as soft monomers, taking styrene as a hard monomer, using an anionic / nonionic emulsification system, adding carboxyl monomers and modified monomers, and adopting a pre-emulsification semi-continuous seed emulsion polymerization process to prepare the mining closed thin-layer spraying material. Preparing to obtain modified styrene-acrylic emulsion; the modified monomer is an ester monomer with cyclohexyl and tertiary butyl; portland cement clinker, filler and gypsum are mixed and then ground, and a hydraulic cementing material is obtained; mixing the hydraulic cementing material with the flame retardant to obtain powder; and mixing and stirring the modified styrene-acrylic emulsion and the powder according to the mass ratio of 1: 1 to obtain the spraying material. The spraying material disclosed by the invention has excellent sealing performance, flame retardance, insulativity, wear resistance, excellent adhesive force, tensile strength, elongation at break and other mechanical properties, and can meet the requirements of mining sealing engineering on flame retardance and sealing performance.

The invention belongs to the technical field of lubricating oil additives, and particularly relates to an anti-foaming agent and a preparation method and application thereof. The anti-foaming agent provided by the invention is a copolymer of a monomer 1 and a monomer 2, the monomer 1 comprises 2-ethylhexyl acrylate, and the monomer 2 comprises one or two of ethyl acrylate, styrene and butyl acrylate. The anti-foaming agent provided by the invention has good thermal stability and can adapt to long-term use in a higher-temperature environment; meanwhile, the anti-foaming agent provided by the invention has good compatibility with mineral oil, synthetic oil and other oil substances, and can be uniformly dispersed in lubricating oil. The anti-foaming agent provided by the invention has an excellent anti-foaming effect when being used in high-viscosity lubricating oil.

This application relates to the field of coating technology, specifically disclosing a stain-resistant, high-hardness nano-ceramic paint and its preparation method. The stain-resistant, high-hardness nano-ceramic paint comprises the following components in parts by weight: 90-120 parts of acrylate emulsion, 40-60 parts of nano-inorganic silicone resin, 5-10 parts of film-forming aid, 20-30 parts of titanium dioxide, 10-20 parts of filler, 0.5-2 parts of formaldehyde-removing aid, 2-3 parts of dispersant, 0.5-1.5 parts of defoamer, 1-2 parts of thickener, and 10-20 parts of water. The acrylate emulsion has a solid content of 46-48% and is made from the following raw materials: a mixed monomer composed of methyl methacrylate, n-butyl acrylate, isooctyl acrylate, and methacrylic acid; a functional monomer composed of triethoxysilane succinic anhydride; a crosslinking monomer composed of diacetone acrylamide and dihydrazine adipate; an emulsifier; an initiator; and water. This application improves both the stain resistance and hardness of the ceramic paint by enhancing the film density of the coating system.