222 results about "Allyl glycidyl ether" patented technology

The invention relates to the field of adhesives, and particularly discloses an OCA optical adhesive for a folding screen and a preparation method of the OCA optical adhesive. The OCA optical adhesive for the folding screen is prepared from the following raw materials in parts by weight: 60 to 80 parts of urethane acrylate, 15 to 25 parts of organic silicon grafted glycidyl ether, 20 to 30 parts of a diluent, 5 to 10 parts of a photoinitiator and 1 to 2 parts of an antioxidant, the organic silicon grafted glycidyl ether is prepared by reacting vinyl siloxane, pentaerythritol triallyl ether, allyl glycidyl ether and a catalyst. The OCA optical cement for the folding screen prepared by the invention is applied to the folding screen, and can keep relatively good elasticity, bending resistance and bonding strength in the long-term repeated folding use process, and wrinkles and bubbles are not easy to appear.

The invention discloses a waterborne epoxy resin coating, a preparation method and application in bridge protection, and belongs to the technical field of coatings. The water-borne epoxy resin coating comprises the following raw material components in parts by weight: 15-25 parts of epoxy composite resin emulsion, 100 parts of emulsified asphalt, 3-5 parts of a curing agent and 6-10 parts of water, wherein the epoxy composite resin emulsion is obtained by carrying out a composite reaction on 30-60 parts by mass of epoxy resin, 2-3 parts by mass of an emulsifier, 6-9 parts by mass of an acrylate composition and 1.4-1.6 parts by mass of a co-stabilizer; the acrylate composition is prepared by prepolymerizing 15 to 16 parts by mass of butyl methacrylate, 10 to 12 parts by mass of 2-isopropenyl aniline, 5 to 7 parts by mass of allyl glycidyl ether and 1 to 1.2 parts by mass of allyl polyhedral oligomeric silsesquioxane and then combining the prepolymerized materials with 1 to 3 parts by mass of acrylic acid.

The invention discloses an anti-scale cross-linked polymer fracturing fluid and a preparation method thereof, and relates to the technical field of petroleum fracturing fluids. When the anti-scale cross-linked polymer fracturing fluid is prepared, allylamine hydrochloride and epoxy chloropropane react to prepare a double-bond chlorinated intermediate; reacting the double-bond chlorinated intermediate with lauramidopropyl dimethylamine to prepare a cationic monomer; copolymerizing a cationic monomer and acrylamide to prepare a cationic polymer; the preparation method comprises the following steps: reacting L-lysine with formaldehyde and phosphorous acid to prepare phosphoric acid modified lysine; reacting the phosphoric acid modified lysine with allyl glycidyl ether to prepare a phosphoric acid modified monomer; acrylamide and an anionic monomer are copolymerized to prepare an anionic polymer; the anionic polymer and the cationic polymer are dissolved in water to prepare the anti-scale cross-linked polymer fracturing fluid. The anti-scale cross-linked polymer fracturing fluid prepared by the invention has the advantages of scale prevention, good temperature resistance, good shear resistance and self-crosslinking.

The invention relates to the field of copper-clad plates, and discloses a low-dielectric-constant high-performance copper-clad plate and a preparation method thereof.The preparation method comprises the specific steps that epoxy resin, phenolic resin, polyphenyl ether modified resin, modified nano silicon dioxide and the like are taken and mixed to obtain a resin glue solution; impregnating glass fabric in the resin glue solution to obtain a prepreg; laminating prepregs, and covering copper foil for hot pressing; the polyphenyl ether modified resin comprises epoxy resin, diallyl cyanate and fluorine-containing polyphenyl ether resin prepared by reaction of polyphenyl ether, bisphenol AF and benzoyl peroxide; the modified nano silicon dioxide is prepared by reacting allyl glycidyl ether, vinyltriethoxysilane and phenyltris (dimethylsiloxane) silane, then grafting with a phosphorus-containing intermediate to prepare a modified additive, and grafting with nano silicon dioxide, and the phosphorus-containing intermediate is prepared by reacting phenylphosphoryl dichloride and eugenol. The copper-clad plate with high flame retardance, high peel strength, heat resistance and low dielectric constant is prepared.

The invention discloses a polyether-ether-ketone polishing brush wire material and a preparation method thereof, and belongs to the technical field of brush wire material preparation. The polyether-ether-ketone polishing brush wire material is prepared from, by weight, 50-70 parts of polyether-ether-ketone, 8-13 parts of a modified flexibilizer, 5-10 parts of a modified stabilizer, 3-6 parts of a light stabilizer, 6-12 parts of a lubricant and 2-5 parts of graphite, the modified flexibilizer is prepared from allyl glycidyl ether, benzyl dimethyl silane, vinyl acetic acid and 4-methoxyphenol, and the modified flexibilizer is prepared from vinyl acetate and 4-methoxyphenol. The modified stabilizer is prepared from pentafluorobenzoic acid, potassium tert-butoxide, 1, 10-phenanthroline, pentafluorobromobenzene, 4-aminophenol and pyromellitic dianhydride. The polyether-ether-ketone polishing brush wire material prepared by the method has excellent toughness, organic solvent resistance and wear resistance.

The invention discloses a graphene conductive adhesive and a preparation method thereof, and relates to the technical field of adhesives. When the graphene conductive adhesive is prepared, polyethylene glycol diglycidyl ether and an ultraviolet absorbent react to prepare a functionalized epoxy monomer; the preparation method comprises the following steps: polymerizing a dihydroxy diphenyl phosphorus-containing monomer and phenyl dichlorosilane, and coating graphene with the polymerized dihydroxy diphenyl phosphorus-containing monomer and phenyl dichlorosilane to prepare pre-modified graphene; the pre-modified graphene and allyl glycidyl ether are subjected to a reaction, and modified graphene is prepared; carrying out polymerization growth on 5, 6-dihydroxyindole and 6-aminomethylindole on the pre-modified cellulose to prepare modified cellulose; and uniformly mixing epoxy resin, a functionalized epoxy monomer, the modified graphene, the modified cellulose, isophorone diamine and acetone to prepare the graphene conductive adhesive. The graphene conductive adhesive prepared by the invention has excellent anti-aging, flame-retardant, conductive and adhesive properties and mechanical properties.

The invention provides a polyphenylene sulfide composite material for a capacitor shell and a preparation method thereof, the polyphenylene sulfide composite material comprises the following raw materials by weight: 100 parts of polyphenylene sulfide, 10-20 parts of bisphenol A type solid epoxy resin, 5-8 parts of a flexibilizer, and 60-100 parts of a phenyl silane coupling agent modified filler, the flexibilizer is side chain type epoxy polysiloxane with an epoxy group on a side chain, the epoxy resin is prepared from methyl hydrogen silicone oil and allyl glycidyl ether through a hydrosilylation reaction, the epoxy value is 0.15-0.25, and the viscosity at 25 DEG C is 50-120 mpa.s. Side chain type epoxy polysiloxane with relatively high heat resistance is adopted as a toughening agent, so that the problems that a conventional toughening agent is poor in high-temperature durability and the strength is obviously reduced are solved; meanwhile, phenyl silane coupling agent modified filler and bisphenol A type solid epoxy resin are matched for use, so that the polyphenylene sulfide composite material for the capacitor shell, which has high-temperature durability, good bonding performance with epoxy pouring sealant and excellent toughness, is obtained.

The invention provides modified polysiloxane and also provides a preparation method of the modified polysiloxane, and the preparation method comprises the following steps: mixing low-hydrogen-content silicone oil with allyl alcohol polyether and allyl glycidyl ether, heating, adding a catalyst, and carrying out an addition reaction to obtain the modified polysiloxane. The invention also provides an application of the modified polysiloxane as a soil loosening agent, and the modified polysiloxane is used for reducing the soil bulk density and / or increasing the soil porosity, and is also used for improving the water absorption and / or water retention of the soil. By applying the modified polysiloxane soil loosening agent disclosed by the invention, the soil bulk density is effectively reduced, the soil compactness is reduced, and the soil porosity is improved, so that the soil hardening is remarkably improved, the crop growth is promoted, and the modified polysiloxane soil loosening agent is green and safe and has important economic value and environmental significance.

The invention discloses an epoxy organic silicon tackifier as well as a preparation method and application thereof, and relates to the technical field of tackifiers. The preparation method of the epoxy organic silicon tackifier comprises the following steps: filling an ultra-microporous Pt / SiO2 catalyst into a reactor, and heating to activate the ultra-microporous Pt / SiO2 catalyst; the preparation method comprises the following steps: mixing tetramethylcyclotetrasiloxane, allyl glycidyl ether and 3-methacryloxypropylmethyldimethoxysilane to obtain a mixed reaction raw material, heating the mixed reaction raw material until the temperature reaches 70-100 DEG C, adding the mixed reaction raw material into a reactor, reacting to generate a synthetic product, and collecting the synthetic product flowing out of the bottom of the reactor, the epoxy group organic silicon tackifier is obtained. According to the preparation method of the epoxy organic silicon tackifier, a solvent does not need to be added in the reaction process, potential safety hazards are avoided, the step of removing the solvent and the catalyst can be omitted, the technological process is simplified, and continuous production of the tackifier can be achieved by adopting the method of the scheme.

The invention belongs to the technical field of stripping liquid, and particularly discloses water-based photoresist stripping liquid and a preparation method thereof. The water-based photoresist stripping liquid is prepared from the following raw materials in percentage by mass: 10 to 15 percent of quaternary ammonium salt compound, 15 to 25 percent of water-soluble organic solvent, 0.2 to 0.5 percent of alkanolamine substance, 0.03 to 0.05 percent of metal protective agent and the balance of deionized water, the quaternary ammonium salt compound is prepared by the following steps: reacting 6-heptene-1-alcohol with ethylene oxide to obtain a compound 1, carrying out amidation reaction on allyl glycidyl ether and dimethylamine to obtain a compound 2, and carrying out chlorination reaction on sodium 2-chloroethanesulfonate and the compound 2 to obtain a compound 3; and finally polymerizing the compound 1 and the compound 3 under the initiation action of azodiisobutyronitrile. All the components in the stripping liquid have a synergistic effect, so that the photoresist is effectively stripped, and the stripping liquid is free of residues, more efficient and good in corrosion-resistant effect.

The present invention belongs to the technical field of soft magnetic materials and high-end electronic equipment, and specifically relates to a power inductor magnetic ring that can be injection molded and a preparation method thereof. The preparation method comprises the following steps: surface-modifying magnetic powder by aminosilane coupling agent to obtain magnetic powder surface-modified by aminosilane coupling agent; mixing hydrogen-containing silicone oil, allyl glycidyl ether and organic solvent, and then adding chloroplatinic acid isopropanol solution catalyst to heat reaction to obtain epoxy-modified organic silicone adhesive; mixing the aminosilane coupling agent surface-modified magnetic powder and epoxy-modified organic silicone adhesive evenly, and then injecting them into an annular mold for drying and curing, and finally using encapsulation resin for encapsulation and protection to obtain a power inductor magnetic ring. The present invention can achieve bonding curing and insulation coating of magnetic powder under the condition of low adhesive resin content, and can obtain products with high magnetic powder content and high magnetic properties under low molding pressure.

The invention discloses a plugging agent for oil-based drilling fluid, and relates to the technical field of plugging agents. The plugging agent comprises a rigid material, pre-gelatinized cassava starch, inorganic fibers, gel particles and base oil, and preparation raw materials of the gel particles comprise allyl glycidyl ether, alkyl primary amine, short-chain acrylate, long-chain acrylate, styrene and unsaturated silane. According to the blocking agent for the oil-based drilling fluid, by arranging the rigid material, the pre-gelatinized cassava starch, the inorganic fibers and the gel particles, microcracks of a shale reservoir can be effectively blocked, and the blocking effect is good.

The invention relates to an aliphatic copolyester elastomer and a preparation method thereof, and belongs to the field of high polymer materials. The elastomer is prepared through a series ring-opening copolymerization reaction of epoxide and cyclic anhydride, and the method comprises the following steps: under the action of a metal-free catalyst (a phosphazene ligand P1-tert-octyl / triethyl boron system) and an initiator (terephthalyl alcohol), carrying out a series ring-opening copolymerization reaction on epoxide and cyclic anhydride, the preparation method comprises the following steps: reacting epoxide (such as epoxypropane and allyl glycidyl ether) with aliphatic anhydride (such as glutaric anhydride) in a xylene solvent to generate a polyester prepolymer retaining an active end; adding a second group of epoxide (such as cyclohexene oxide) and anhydride (such as tetrahydrophthalic anhydride and norbornene dianhydride), continuously reacting to form a block copolymer, and then crosslinking. The material performance can be regulated by changing the monomer combination, the atom economy is high, and the raw materials can be produced on a large scale. The process is simple and environment-friendly, and a new choice is provided for application of the degradable elastomer in the fields of medical treatment, environmental protection and the like.

The invention belongs to the technical field of textile dyeing and finishing, and particularly relates to a long-acting hydrophilic, soft, fluffy and washable silicone oil composition as well as a preparation method and application thereof. The silicone oil composition is prepared from the following raw materials in parts by mass: 20 parts of modified silicone oil, 0.5 to 2.5 parts of anionic surfactant, 0.5 to 2 parts of nonionic surfactant, 0.1 to 1 part of polyhexamethylene biguanide hydrochloride, 0.2 to 0.5 part of glacial acetic acid and 76 to 79 parts of water, the modified silicone oil is prepared from the following raw materials: octamethylcyclotetrasiloxane, tetramethylethylenediamine, secondary aminated polyether amine, allyl epoxy polyether, polyether amine, allyl glycidyl ether, isopropanol, diethylene glycol butyl ether, an end-capping reagent and a catalyst. The silicone oil composition provided by the invention can endow a fabric with a long-acting hydrophilic effect, excellent hand feeling, low yellowing and washability; and the dye has excellent stability, is safe and stable to use, and does not influence the colored light of the dyed fabric.

The invention relates to the technical field of chemical engineering, and discloses a hydrogen peroxide stabilizer and a preparation method thereof.The stabilizer is obtained in the mode that alpha-chlorinated acrylic acid and functional monomers are subjected to free radical polymerization and then hydrolyzed; the functional monomer is obtained by firstly carrying out ammonolysis reaction on diethylenetriamine and allyl glycidyl ether to obtain an intermediate, then mixing the intermediate with sodium chloroacetate and carrying out reaction under an alkaline condition, and by introducing the functional monomer containing the carboxylic acid group, the stability of hydrogen peroxide is improved; and invalid decomposition caused by metal ion catalysis is reduced.

In various embodiments, the present invention provides a solvent free 3D printable resin comprising a linear or star-shaped poly(allyl glycidyl ether succinate) ("PAGES") copolymer, and a multi-functional thiol crosslinker, as set forth above. In one or more of these embodiments, the poly(allyl glycidyl ether succinate) ("PAGES") copolymer will be a linear copolymer formed by ring opening copolymerization of allyl glycidyl ether and succinic anhydride, initiated by a mono-or bi- functional initiating alcohol and using a 2,6-di-tert-butyl-4-methylphenoxide (Mg(BHT)2(THF)2) catalyst. These resins may also include at least one suitable photoinitiator and, optionally, a light attenuating agent or photoinhibitor. Advantageously, it has been reported that these resins have a complex viscosity that is suitable for 3D printing (from about 0.5 Pa·s to about 20.0 Pa·s) at room temperature without the need for a solvent or other diluent.

The invention provides a production process of a silicon wafer cutting fluid, and relates to the technical field of cutting fluids, the production process of the silicon wafer cutting fluid comprises the following steps: mixing 10-15 parts of a wetting agent, 20-30 parts of a dispersant, 6-10 parts of a stabilizer and 40-60 parts of pure water to form the silicon wafer cutting fluid; the preparation method of the wetting agent comprises the following steps: S11, reacting phytic acid with allyl glycidyl ether to obtain a prepolymer; s12, the prepolymer, N, N-dimethylacrylamide, pentenedioic acid and an initiator are polymerized to obtain the dispersing agent, and the cutting fluid obtained through production effectively improves the qualified rate of large-size silicon wafer cutting.

The invention provides a high-thermal-conductivity pouring sealant which comprises the following components in parts by weight: a component A consisting of modified bisphenol A epoxy resin, polyether polyol, isocyanate ethyl acrylate, a siloxane coupling agent, a platinum catalyst, hollow glass microspheres and zinc borate, the component B is composed of vinyl silicone oil, dimethyl silicone oil, a modified heat-conducting filler, allyl glycidyl ether and a silane coupling agent; through the synergistic effect of the component A and the component B, the pouring sealant with the properties of high heat conductivity, high flame retardance and the like is obtained.

The invention discloses a demulsifier for a heavy oil field and a preparation method of the demulsifier. The preparation method comprises the following steps: reacting an amine compound with benzyl glycidyl ether and allyl glycidyl ether to obtain a multi-aromatic-ring initiator, then polymerizing the multi-aromatic-ring initiator with epoxypropane and ethylene oxide to form a demulsifier polyether, and carrying out crosslinking modification to obtain a multi-aromatic-ring demulsification component A; synthesizing oleylamine polyether, and modifying to generate a dispersing aid component B which contains oil carboxyl and is of a comb-like structure; the demulsifier for the heavy oil field is prepared from the component A and the component B according to the ratio of 6: (1-2). The demulsifier for the heavy oil field prepared by the preparation method has the advantages of low dosing concentration, good dehydration effect, neat dehydration interface and clear dehydrated water.

The invention relates to organosilicone modified acrylic resin, a UV-thermal dual-curing adhesive and a preparation method of the organosilicone modified acrylic resin. The organosilicone modified acrylic resin is obtained by reacting a bifunctional acrylate monomer and modified polysiloxane under the action of a polymerization inhibitor 1 and a catalyst 1; the modified polysiloxane is obtained by reacting hydrogen-containing silicone oil, allyl glycidyl ether and 1, 4-cyclohexanedimethanol divinyl ether under the action of a polymerization inhibitor 2 and a catalyst 2. The adhesive prepared by matching the organic silicon modified acrylic resin with auxiliaries such as a monomer and an initiator can be subjected to UV-heat dual curing, the surface is dry and comfortable after curing, the sticky'oxygen inhibition 'phenomenon is avoided, and the adhesive has good hardness; the adhesive force with various base materials including PC, aluminum materials, glass and PET is good; the shear strength retention rate of each base material after double 85 1000 hours of aging is 70% or above; the appearance is not obviously changed in a high-temperature aging test, and better heat resistance is shown.

The present invention relates to the field of copper clad laminates, and discloses a copper clad laminate with low dielectric constant and high performance and a preparation method thereof. The specific steps are as follows: taking epoxy resin, phenolic resin, polyphenylene ether modified resin, modified nano-silica, etc. and mixing them to obtain a resin glue solution; impregnating glass fiber cloth in the resin glue solution to obtain a prepreg; taking the prepregs and laminating them and hot pressing them with copper foil; the polyphenylene ether modified resin includes epoxy resin, diallyl cyanate, and a fluorinated polyphenylene ether resin prepared by reacting polyphenylene ether, bisphenol AF, and benzoyl peroxide; the modified nano-silica is prepared by reacting allyl glycidyl ether and vinyltriethoxysilane with phenyltris(dimethylsilyl)silane, and then grafting it with a phosphorus-containing intermediate to form a modified additive, and grafting the modified additive with nano-silica. The phosphorus-containing intermediate is prepared by reacting phenylphosphoryl dichloride and eugenol. A copper clad laminate with high flame retardancy, high peel strength, and heat-resistant low dielectric constant is prepared.

The invention relates to the technical field of automobile essence preparation, and particularly discloses automobile essence capable of removing formaldehyde and releasing anions and a preparation method of the automobile essence. Comprising the following raw materials in parts by weight: 500-600 parts of deionized water, 18-24 parts of a negative ion release enhancing component, 12-20 parts of an aldehyde removing component, 30-40 parts of absolute ethyl alcohol, 8-14 parts of a dispersing agent, 14-18 parts of phenoxyethanol, 22-26 parts of an initiator solution and 6-10 parts of citral. A negative ion release enhancing component and a formaldehyde removal component are added, the negative ion release enhancing component is prepared by modifying core-shell particles with a silane coupling agent, the outer layer of each core-shell particle is of a porous titanium dioxide structure, the inner core of each core-shell particle is modified electrical powder, and the formaldehyde removal component is prepared by carrying out a ring-opening esterification reaction on sodium alginate and allyl glycidyl ether, so that the formaldehyde removal effect is improved. And then carrying out chemical cross-linking with hydroxypropyl acrylate and methacrylic acid, thereby coordinating and enhancing the formaldehyde removal capability, the anion release capability and the antibacterial effect.

The invention provides a high-weather-resistance powder coating and a preparation method thereof, and belongs to the technical field of powder coatings. According to the invention, a hyperbranched polyester skeleton is constructed through esterification reaction of trimethylolpropane, adipic acid and maleic anhydride, hydroxyl-terminated polyether, pentaerythritol and 2, 4-dihydroxybenzophenone are introduced to adjust flexibility, thermal stability and ultraviolet aging resistance, and allyl glycidyl ether is utilized to improve chemical activity and network stability; phosphorus-containing heterocyclic ring-polynitrogen imide oligomer is generated through substitution reaction and subsequent modification of phosphonitrilic chloride trimer, aniline and ethanolamine, and the coating is endowed with flame retardance, heat resistance and adhesive force. In the preparation of the coating, carboxyl polyester resin and a curing agent are crosslinked to form a three-dimensional network, and filler and auxiliaries such as precipitated barium sulfate, silica powder and bismuth vanadate yellow pigment are combined, so that the mechanical strength, chemical resistance and ultraviolet aging resistance of a coating film are optimized.

The invention provides a novel mineral separation activating agent for sulphide ores and a preparation method of the novel mineral separation activating agent. The cleaning agent comprises 1-2 parts of basic cupric carbonate, 2-4 parts of ammonium chloride, 2-4 parts of nanometer jade powder, 2-3 parts of alginic acid, 1-2 parts of allyl glycidyl ether, 2-3 parts of peregal O, 2-3 parts of sodium di-sec-octyl maleate sulfonate, 2-3 parts of vinyl acetate, 4-7 parts of hydrogen peroxide, 4-6 parts of disodium hydrogen phosphate and 40-50 parts of water. The preparation method comprises the following steps: firstly mixing basic cupric carbonate and ammonium chloride to obtain a first mixture, then mixing the rest components, heating and stirring to obtain a second mixture, and finally uniformly mixing the first mixture and the second mixture. The activating agent overcomes the defects of a traditional activating agent, has efficient activating performance, can improve the beneficiation efficiency of low-grade, complex and refractory sulfide ore, is environmentally friendly, good in stability and high in adaptability, and provides technical support for efficient development of sulfide ore resources.

The invention belongs to the field of high polymer materials. The invention provides hydrophobic modified polyester PET and a preparation method thereof, the hydrophobic modified polyester PET comprises the following components: polyester PET resin, an organic fluorosilicone-allyl glycidyl ether hydrophobic modification copolymer and an antioxidant, the preparation method of the hydrophobic modified polyester PET is also provided, the components are uniformly mixed according to the proportion to obtain a mixed material, and the mixed material is subjected to extrusion molding to obtain the hydrophobic modified polyester PET. Wherein the copolymer for hydrophobic modification of the organic fluorosilicone-allyl glycidyl ether is added in a form of being dissolved in an organic medium to form a polymer solution; and standing the mixed material for 1-2 hours, adding the mixed material into a double-screw extruder, carrying out melting reaction and extrusion, and removing and recovering the solvent and unreacted residual monomers in the raw materials through a vacuumizing exhaust device to prepare the hydrophobic polyester PET. The hydrophobic modified polyester PET is good and lasting in hydrophobic property, simple in preparation process and relatively low in cost, and can be applied to multiple fields such as textile and clothing, packaging materials, building materials, electronic and electric appliances, automobile manufacturing and the like.

The invention discloses a reactive hot melt adhesive and a preparation method thereof, and relates to the technical field of hot melt adhesives. When the reactive hot melt adhesive is prepared, butyl acrylate, acrylic acid, methyl acrylate, allyl glycidyl ether and diethyl allyl phosphate are subjected to free radical reaction to prepare modified polyacrylate; reacting diethanol amine with acrylamide to synthesize a tertiary amino chain extender; reacting a hindered phenol monomer with pyridol, and then adding aluminum chloride for rearrangement to prepare the hindered phenol sealing agent; the preparation method comprises the following steps: reacting diisocyanate with dihydric alcohol, a tertiary amine chain extender and a coumarin chain extender, adding a hindered phenol sealing agent for blocking, adding modified polyacrylate, and mixing to obtain the reactive hot melt adhesive. The reactive hot melt adhesive prepared by the invention has the advantages of high bonding strength, self-repairing property, flame retardance and aging resistance.

The invention discloses a tackifier, single-component thermocuring silicone rubber and a preparation method of the single-component thermocuring silicone rubber. The tackifier is obtained by reacting end-side hydrogen-containing silicone oil, dimethyl methoxy vinyl silane and allyl glycidyl ether under the catalytic action of a platinum catalyst. The tackifier is used for preparing the addition type organic silicon rubber, so that the anti-adhesion phenomenon of the organic silicon rubber to a back cover plate can be improved while effective adhesion to a metal substrate can be realized. Furthermore, the novel tackifier prepared by the invention, double-end vinyl silicone oil, fumed silica, hydrogen-containing silicone oil, branched hydrogen-containing silicone oil and the like are used as raw materials, and all the components are coordinated and matched, so that the prepared single-component thermocuring silicone rubber not only has excellent bonding performance on a metal base material, but also has high temperature resistance and high temperature resistance. And meanwhile, adhesion and adhesion to a reverse contact substrate after long-time high-temperature baking after compression are avoided, and the adhesive has excellent compression resistance and anti-adhesion property and relatively low compression permanent deformation.

The invention discloses a polycarbonate-based non-isocyanate polyurethane ultraviolet curing coating and a preparation method of the polycarbonate-based non-isocyanate polyurethane ultraviolet curing coating. The photocureable coating is prepared from the following components: 10 to 60 percent of polycarbonate acrylate, 5 to 20 percent of urethane acrylate, 10 to 60 percent of reactive diluent, 1 to 5 percent of photoinitiator and 0 to 60 percent of solvent. Comprising the following steps: (1) reacting polycarbonate diol with methacrylic anhydride to obtain polycarbonate acrylate; (2) carbonating the allyl glycidyl ether by using carbon dioxide to obtain corresponding five-membered cyclic carbonate, and reacting with diamine to obtain urethane acrylate; and (3) uniformly mixing the obtained product with a reactive diluent and a photoinitiator to obtain the ultraviolet curing coating. The polycarbonate-based non-isocyanate polyurethane ultraviolet curing coating obtained by the invention is a biodegradable environment-friendly coating, a non-isocyanate polyurethane synthesis route is adopted, the use of isocyanate is avoided, and the coating shows excellent flexibility and pencil hardness on a PC (polycarbonate) base material.

The invention discloses a PBAT / bamboo powder compatible and cross-linked integrated auxiliary agent, a preparation method and an application. The method steps for preparing the auxiliary agent are as follows: S1: dissolving mucic acid and zinc acetylacetonate in water in sequence to obtain solution A; S2: adding allyl glycidyl ether to solution A for reaction to obtain solution B; S3: adding nitrilotriacetic acid to solution B for continued reaction to obtain a grafting auxiliary agent precursor; S4: mixing PBAT, an initiator and a grafting auxiliary agent precursor and then melt-extruded to obtain a PBAT / bamboo powder compatible and cross-linked integrated auxiliary agent PBAT-g-AGEMUANTA. The auxiliary agent prepared by the invention is green and environmentally friendly, and improves the interface compatibility between PBAT and bamboo powder and the mechanical properties of PBAT / bamboo powder by constructing a hydrogen bond and a chemical bond cross-linked network.

The invention relates to the technical field of multifunctional films, and discloses a high-breathability light-proof antibacterial fresh-keeping film and a preparation method thereof.Based on an epoxy-hydroxyl ring-opening mechanism and an ion exchange effect, sodium citrate, allyl glycidyl ether and compatibilized long aliphatic chain quaternary ammonium salt serve as raw materials, and an alkenyl compatibilized connecting agent is prepared; based on a sulfydryl-alkene click reaction mechanism, the method comprises the following steps: modifying an alkenylation compatibilization type linking agent on the surface of silver-loaded or non-silver-loaded sulfydryl nano zinc oxide to prepare a silver-loaded or non-silver-loaded organic-inorganic hybrid composite functional component; low-density polyethylene resin and an organic-inorganic hybrid composite functional component (or a silver-loaded organic-inorganic hybrid composite functional component) are used as raw materials, and the high-breathability light-proof antibacterial fresh-keeping film is prepared through extrusion granulation, blow molding film forming and stretching processes. The film product prepared by the invention has high air permeability, light resistance and antibacterial ability, and can be used as a fresh-keeping packaging material for fruits and vegetables.