162 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 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 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 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 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 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 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 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 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 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 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.

The application provides an external curing agent with passive anti-icing performance and a preparation method and application thereof, and belongs to the technical field of building materials.The external curing agent comprises a functional component and a basic component in a mass ratio of (80-83):129.2, wherein the functional component comprises methyl acryloyloxy functionalized Co3O4, modified polydimethylsiloxane, perfluorooctyl methacrylate, methyl methacrylate and isooctyl acrylate, and the basic component comprises water, an emulsifier, a pH buffer, N-hydroxymethyl acrylamide, butyl acrylate and an initiator.The application realizes the synergistic effect of anti-icing, water retention and strength enhancement through nano-functionalization and fluorosilicon hydrophobic modification in combination with precise proportioning of soft and hard monomers, and the prepared curing agent is suitable for concrete curing in a cold environment (0 DEG C to -15 DEG C), can maintain film stability under low-temperature conditions, prevents surface icing while blocking water evaporation, and solves the problem of early concrete frost damage.

The invention provides a flexible flame-retardant polypropylene cable material and a preparation method thereof. The soft flame-retardant polypropylene cable material is prepared from the following raw materials in parts by mass: 50 to 70 parts of modified polypropylene, 0.5 to 1.0 part of antioxidant, 0.5 to 1.0 part of ultraviolet absorbent and 2 to 5 parts of pigment, wherein the modified polypropylene is obtained by polymerizing a flame-retardant monomer, butyl acrylate and 2-ethylhexyl acrylate; the preparation method comprises the following steps: reacting 9, 10-dihydro-9-oxo-10-phosphine-phenanthrene with fumarate to generate a phosphine flame-retardant intermediate containing a phosphine oxygen group and a diester group; and then grafting the flame-retardant intermediate to a side chain of polypropylene by using a free radical initiator to obtain a high-flexibility flame-retardant polypropylene cable material, and improving the characteristics of difficult dispersion, strong rigidity and the like of DOPO as a flame retardant.

The invention relates to the technical field of papermaking additives, in particular to an elastomer reinforcing agent, a preparation method thereof and paper, and the elastomer reinforcing agent comprises the following raw materials in parts by weight: 70-80 parts of pure water, 11.5-14.5 parts of styrene, 3.0-4.0 parts of tert-butyl acrylate, 1.0-3.0 parts of 2-ethylhexyl acrylate and 1.8-2.2 parts of glycidyl methacrylate. 1.0-1.5 parts by weight of methyl methacrylate, 2.0-3.0 parts by weight of ethyl acrylate, 0.03 part by weight of an initiator, 0.18 part by weight of a terminator and 1.3-1.5 parts by weight of an emulsifier. The elastomer reinforcing agent disclosed by the invention has good mechanical properties, can be well stretched and rebounded, and can effectively enhance the folding strength and the ring crush index of paper when being applied to the paper; according to the preparation method disclosed by the invention, polymerization reaction is carried out step by step by controlling the form of generating the prepolymer, so that the conversion rate is increased, an additional purification step is not needed, and the technological process is simplified.

The invention provides a resin material as well as a preparation method and application thereof. The preparation method of the resin material comprises the following steps: preheating a first mixed solution containing a first part of acryloylmorpholine, a first part of 2-ethylhexyl acrylate and a first part of a first solvent to 70-90 DEG C to obtain a first material; adding a second mixed solution containing a second part of acryloylmorpholine, a second part of 2-ethylhexyl acrylate, acrylic acid and a first part of an initiator into the first material, and carrying out heat preservation at 70-90 DEG C for 0.8-1.2 h to obtain a second material; and adding the remaining material comprising a second part of the initiator and a second part of the first solvent into the second material, and carrying out heat preservation at 70-90 DEG C for 1.8-2.2 h to obtain the resin material. According to the invention, the viscosity, hardness and tearing effect of the resin material can be improved.

The invention discloses a high-temperature-resistant and high-air-permeability vehicle-mounted OCA adhesive and a preparation method thereof. The OCA adhesive comprises the following raw material components in parts by weight: 40-80 parts of 2-ethylhexyl acrylate; 5 to 20 parts of tetrahydrofuran acrylate; 5 to 20 parts of hydroxybutyl acrylate; 10 to 30 parts of cyclohexyl acrylate; 1.5 to 6 parts of nano particles; 0.45 to 1.8 parts of a photoinitiator; 0.5 to 2 parts of a silane coupling agent; and 0.05 to 0.2 part of 1, 6-hexanediol diacrylate. The OCA optical cement is prepared by adopting a UV curing process, and performance optimization is realized through molecular structure design; according to the invention, a non-benzene-ring cyclic structure and nano particles are utilized to synergistically act to improve the air permeability of the material, and then the cross-linking agent, the coupling agent, the inorganic nano particles and the photoinitiator are added to prepare the high-temperature-resistant and air-permeable OCA optical adhesive by a UV method.

The invention discloses a reworkable low-modulus OCA (Optical Clear Adhesive) glue, an adhesive as well as a preparation method and application thereof. The OCA glue is prepared from the following raw material components in parts by weight: 5 to 14 parts of butyl acrylate, 15 to 25 parts of 2-ethylhexyl acrylate, 2.5 to 5.5 parts of hydroxybutyl acrylate, 5 to 10 parts of lauryl acrylate, 0.0003 to 0.0008 part of an initiator and 40 to 70 parts of a solvent. The OCA adhesive prepared by the invention has lower storage modulus, glass transition temperature and higher deformation quantity in a low-temperature environment, can effectively dissipate stress generated in a bending process, and prevents a folding module from generating a layering phenomenon in the bending process. The OCA adhesive prepared by the invention has good reworking performance, can be easily peeled off from a folding screen under ultraviolet irradiation, is convenient to replace a protective film, and prolongs the service life.

The invention belongs to the field of material synthesis, and particularly relates to OCA of a rubber modified acrylate system and a preparation method of the OCA, and the OCA comprises matrix resin, a rubber modifier, a functional filler and an auxiliary agent; the matrix resin is selected from one or a combination of more of 2-ethylhexyl acrylate, methyl methacrylate and isobornyl acrylate; the rubber modifier is selected from one or a combination of more of natural rubber, butadiene styrene rubber, butadiene rubber, isoprene rubber and nitrile rubber; the functional filler is selected from nano silicon dioxide aerogel; the auxiliary agent is selected from one or a combination of more of a photoinitiator, a silane coupling agent, an antioxidant and an anti-ultraviolet aging agent. The problem of how to balance the OCA among low dielectric constant, high light transmittance, strong adhesion and flexibility is solved.

The invention discloses modified impact-resistant ACR for polyvinyl chloride and a preparation method of the modified impact-resistant ACR, and relates to the field of impact-resistant modifiers. The modified impact-resistant ACR is prepared from the following raw materials: methyl methacrylate, butyl acrylate, 2-ethylhexyl acrylate, glycidyl methacrylate, acrylamide, divinyl benzene, maleic anhydride grafted nitrile rubber, methacrylic acid, an initiator, an emulsifier and a catalyst; the maleic anhydride grafted nitrile rubber is obtained by graft polymerization of maleic anhydride and nitrile rubber; the emulsifier is obtained by mixing lauryl sodium sulfate and nonylphenol polyoxyethylene ether. The preparation method of the modified impact-resistant ACR comprises the following steps: preparing maleic anhydride grafted nitrile rubber, preparing a pre-emulsion, carrying out emulsion polymerization, and preparing the modified impact-resistant ACR. The modified impact-resistant ACR prepared by the invention can effectively enhance the low-temperature notch impact strength and ultraviolet aging resistance of polyvinyl chloride.

The invention relates to the technical field of pesticide preparations, in particular to a method for improving uniformity of a carbendazim suspending agent. The method comprises the following steps: mixing a carbendazim active compound, a modified dispersant, a wetting agent and part of deionized water, and carrying out shearing pre-dispersion and sanding grinding to prepare superfine slurry; adding the antifreeze agent, the thickening agent and the defoaming agent, uniformly stirring, adding the balance of water to adjust the solid content and the pH value, filtering out impurities, and intermittently stirring and curing to obtain a final suspending agent product. The modified dispersant is prepared by esterifying allyl polyoxyethylene ether and succinic anhydride, then copolymerizing with 2-ethylhexyl acrylate and acrylamide, grafting chitosan quaternary ammonium salt and inclusion cyclodextrin, and the steric hindrance and anchoring stability are remarkably enhanced; the thickening agent is a compound system of xanthan gum and magnesium aluminum silicate. According to the method, the uniformity and redispersibility of the preparation are effectively improved, Ostwald ripening and crystal growth are inhibited, and the physical stability and efficacy consistency of the product in the long-term storage and use process are guaranteed.

This invention relates to the field of polymer optical adhesives, specifically disclosing a UV adhesive, a UV adhesive film, and a method for preparing the same. The UV adhesive provided by this invention comprises 43-47 parts isooctyl acrylate, 10-13 parts butyl acrylate, 2-3 parts hydroxyethyl acrylate, 4-5 parts methyl methacrylate, 1-2 parts acrylic acid, 2-4 parts benzophenone monomers, and 1-7 parts tris(trimethylsiloxy)silyl monomers. The UV adhesive provided by this invention has a simple composition; simply controlling the UV irradiation dose is sufficient to achieve both thickening and thinning of the adhesive. No additional thermosetting agents or photopolymerizing components are required, solving the problem of poor compatibility in existing UV adhesive systems. This not only facilitates uniform coating but also fundamentally solves the problem of adhesive residue.

The present application relates to the technical field of acrylic adhesive, in particular to a SCF assembly buffer adhesive film and a preparation method thereof.The present application comprises an acrylic buffer layer and a bonding force improvement layer prepared from two modified acrylic resins, wherein the acrylic buffer layer comprises solvent, methyl acrylate, isooctyl acrylate, butyl acrylate, hydroxyethyl acrylate, azobisdimethylvaleronitrile, alpha-methyl styrene dimer, ethylene glycol dimethacrylate and 2,2-dimethoxybutane; the bonding force improvement layer comprises solvent, isooctyl acrylate, hydroxybutyl acrylate, glycidyl methacrylate, N-(isobutoxy) methacrylamide and azobisdimethylvaleronitrile; the pure adhesive film structure used in the present application can achieve the premise of the foam cushioning performance, has superior flatness, solves the poor adhesion of the foam due to the foaming process factors, and solves the poor orange peel of the display appearance.

The present invention discloses an optical adhesive for curved surfaces. The raw materials for preparing the optical adhesive include an acrylic resin, a thermal initiator, an acrylic monomer, and a solvent. The acrylic resin comprises, by mass, 85-95 parts of a soft monomer, such as butyl acrylate and / or isooctyl acrylate; 5-15 parts of a functional monomer, such as acrylic acid and / or hydroxyethyl acrylate; 0.5-1 part of a photoinitiator; a polyurethane macromolecular modified azo initiator, or an isocyanate-terminated initiator; and the acrylic monomers include one or more of butyl acrylate, isooctyl acrylate, methyl methacrylate, isooctyl methacrylate, acryloylmorpholine, and N-vinyl pyrrolidone. The optical adhesive for curved surfaces exhibits excellent elongation, flexibility, and elastic deformation.

The application discloses a water-soluble reversible water-based acrylic resin paint, and raw materials include the following components in parts by weight: 10-15 parts of acrylic resin, 8-25 parts of styrene, 5-20 parts of isooctyl acrylate, 0.5-1.5 parts of acrylamide, 2-4 parts of a surfactant, 0.12-0.6 parts of an oxidation-reduction initiator and 50-55 parts of water, wherein the surfactant is a mixture of sodium dodecyl benzene sulfonate and a fatty alcohol polyoxyethylene ether; the resin emulsion is prepared through a polymerization process, a transparent film is formed after the emulsion is dried, strong adhesion and glossiness can be provided, after the emulsion is dried to form a film, the surfactant migrates to the surface layer of the particles, a hydrophilic layer is formed due to the fact that the particles themselves contain a large amount of carboxyl groups, the dried adhesive film can be dissolved by water again after meeting water again, and the effect of reverse dispersion can be achieved by stirring again.