63 results about "Glycol diacrylate" patented technology

The present invention discloses preparation process of fluorine, silicon and epoxide modified low surface energy acrylate emulsion for heavy anti-corrosive paint. The modified acrylate emulsion is prepared with one or more of styrene, methyl methacylate, butyl acrylate, isobutyl acrylate, tert-butyl acrylate, etc as the main monomer and through introducing modifying fluorine, silicon and epoxide. The process of the present invention has simple operation and high yield, and the prepared emulsion has high water tolerance, high solvent tolerance, high acid and alkali resistance, high stability and capacity of forming film with surface energy as low as 15.5 mN / m.

The invention discloses a preparation method of cisatracurium besylate. The method comprises the following steps: carrying out weal base dissociation on a R-tetrahydropapaverine-N-acetyl-L-leucine salt having a chiral purity of above 99.5% as a starting material so as to obtain R-tetrahydropapaverine; then carrying out a reaction on R-tetrahydropapaverine and 1,5-pentyl glycol diacrylate so as toobtain (1R,1'R)-2,2'-(3,11-dioxo-4,10-dioxa-1,13-subtridecyl) di[1,2,3,4-tetralin-6,7-dimethoxy-1-(3,4-dimethoxyl)benzyl]isoquinoline; after carrying out oxalate refinement and weal base dissociation, carrying out a reaction on (1R,1'R)-2,2'-(3,11-dioxo-4,10-dioxa-1,13-subtridecyl) di[1,2,3,4-tetralin-6,7-dimethoxy-1-(3,4-dimethoxyl)benzyl]isoquinoline and methyl benzenesulfonate so as to prepare1R,1'R-atracurium besilate; and finally, carrying out column chromatography separation on 1R,1'R-atracurium besilate so as to obtain cisatracurium besylate. By using the preparation method, the yieldof cisatracurium besylate can reach 30%, the purity of the product reaches above 98.6%, and single impurity content is below 0.3; and the process is brief, the yield is stable, and the product quality is good, thus the preparation method disclosed by the invention has an industrial application prospect.

The invention provides a pre-crosslinked gel granulate for profile control and polymer flooding as well as a preparation method and application of a pre-crosslinked gel granulate. The pre-crosslinked gel granulate belongs to a reagent for oil exploitation, and is obtained by polymerizing and crosslinking a composite monomer and an instable crosslinking agent under initiation of an initiator so as to obtain body gel, drying and grinding, wherein the composite monomer comprises acrylamide and acrylic acid; and the instable crosslinking agent is selected from polyethylene glycol diacrylate, polyethylene glycol dimethacrylate, polypropylene glycol diacrylate, glycol diacrylate, trimethylolpropane triacrylate, ethoxy trihydroxymethyl triacrylate and the like. The volume of the gel granulate is expanded by absorbing water; after the gel granulates are injected into an oil deposit, big pore canals and ultrahigh pervious layers are plugged in the immediate vicinity of wellbore of an oil layer, so that the injected water enters into a low pervious layer area to start residual oil; after acting for certain time, the gel granulate is automatically hydrolyzed into a solution, so that oil-water mobility control is realized; and the gel granulate has double functions of profile control and polymer flooding, is suitable for the oil deposits of a high water holding period, and can be used for improving the recovery rate of petroleum.

The invention discloses a compound type ultraviolet light-cured anticorrosive paint and a preparation method thereof, wherein the paint is prepared by the following ingredients by weight percent: 30%-50% of epoxy acrylate, 5%-25% of modified mica iron oxide, 10%-25% of dimethyltrimethylene glycol diacrylate, 5%-15% of tripropylene glycol diacrylate, 1%-2% of trimethylolpropane triacrylate, 5%-10% of methyl methacrylate hydroxyl ethyl ester, 2%-5% of 1173, 0.5%-1% of triethanolamine, 2%-5% of KH-570, 1%-5% of linseed oil, 2%-5% of organosilicone adhesion promoter and 0.5%-1% of defoaming agent. The preparation method includes the steps of modifying mica iron oxide by a sol-gel method, adding all the ingredients in the technical scheme into a vacuum mixer for mixing uniformly, and then adding the mixture into a sand mill for grinding to obtain the paint. The compound type ultraviolet light-cured anticorrosive paint has the advantages of environmental protection, good anticorrosion effect and excellent adhesion effect on metal base materials.

The invention discloses a silicone rubber sealing pad having low permanent compression set value and a preparation method thereof.The silicone rubber sealing pad is prepared from low phenyl silicone rubber, acrylate rubber, isoprene rubber, 4,4'-diamino biphenyl, praseodymium naphthenate, silicon calcium magnesium crystal whiskers, a accelerant DTDM, a accelerant CZ, a accelerant CPB, carbon black N774, carbon black N330, 1,1-bis(tert butyl peroxyl)-3,3,5-trimethyl-cyclohexane, nano palygorskite, cobalt naphthenate, lead silicate white, zinc stearate, vaseline, an antiager 4010 NA, an antiager 2246 and a modifier.The prepared silicone rubber sealing pad has good compressibility and resilience and small permanent compression set, does not produce permanent change when being exposed at higher temperature, can have original mechanical properties of rubber after being put back at the room temperature and meanwhile has excellent abrasion resistance, corrosion resistance, aging resistance and heat resistance and other properties.

The invention discloses a UV LED ultraviolet curing metal anti-fingerprint nano coating material and a preparation method thereof and a metal plate. The coating material comprises the following components in parts by weight: a 2-functional aliphatic polyurethane acrylate oligomer, 8-15 parts of a silicon modified polyurethane acrylate oligomer, 6-functional aliphatic polyurethane acrylate oligomer, ethoxylated trimethylolpropane triacrylate, propoxylate neopentylene glycol diacrylate, dipentaerythritol hexaacrylate, a photoinitiator, an active ammonia co-initiator and an auxiliary agent. According to the coating material, UV LED can be effectively used as an ultraviolet light source for rapid curing, the coating material has the characteristics of energy consumption saving, use cost reduction and environmental protection, the curing speed of the coating is high, and a formed coating film is good in performance, high in adhesive force on a metal plate and good in stain resistance, waterresistance and fingerprint resistance; and the preparation method of the coating material is simple, full dispersion and full reaction of all the components can be achieved through a dispersion machine, and industrial production is easy to achieve.

The invention discloses a high-quality flame retardant. The high-quality flame retardant is prepared from the following substances: sodium silicate, aluminum hydroxide, sodium metaborate, ammonium polyphosphate, triphenyl phosphate, ethylene glycol diacrylate, modified titanium dioxide, ammonium molybdate and zinc borate. The final flame retardant prepared by the invention has high flame retardant effect and high smoke suppression effect, can also effectively improve the processing characteristics and mechanical application performance of fiber materials and has good popularization and application values.

The invention discloses a shaft end O-shaped sealing ring with compression permanent deformation resistance. The raw materials of the sealing ring comprise, by weight, 40-55 parts of tetrafluoroethylene-propylene rubber, 20-35 parts of methyl vinyl silicone rubber, 10-30 parts of styrene butadiene rubber, 15-30 parts of polyimide resin, 0.5-1.5 parts of 1,1-bi(t-butylperoxy)-3,3,5-trimethyl-cyclohexane, 1-1.5 parts of diphenylmethane bismaleimide, 0.2-0.8 part of ethylene glycol diacrylate, 50-100 parts of modified nano montmorillonite, 10-30 parts of white carbon black, 15-30 parts of polytetrafluoroethylene fibers, 1-5 parts of nano silicon oxide, 2-8 parts of nano kaolin, 10-20 parts of graphite powder, 5-10 parts of nano calcium carbonate, 2-8 parts of isopropyl tri (dioctylpyrophosphato) titanate, 1-3 parts of triphenyl phosphate, 1-3 parts of dibutyl phthalate, 1-3 parts of disproportionated rosin and 1-2 parts of anti-aging agent. The shaft end O-shaped sealing ring has good compression permanent deformation resistance and has an excellent bearing capability.

The invention discloses UV (Ultraviolet) ink, which consists of 55-60 percent by mass of UV resin, 25-30 percent by mass of dimethyltrimethylene glycol diacrylate, 7-8 percent by mass of aluminum isocaprylate and 7-8 percent by mass of a photosencitizer. The invention further discloses a method for manufacturing a local grating by using the UV ink. The method comprises the following steps of: printing twice on a printed product based on the alignment of grating lines in a screen printing way; and curing two printing results respectively through a UV photo-curing reaction to obtain the local grating. In the method, screen printing is combined with the UV ink for printing directly on the printed product, so that a process is simple, convenient and rapid.

The invention provides an ocular composition comprising: 99 to 60% (w / w) of a photopolymerizable composition selected from the group of fragments or monomers consisting of polyalkylene glycol diacrylate and polyalkylene glycol dimethacrylate, wherein the photopolymerizable composition has a molecular weight in the range of 100 to 20,000 Dalton; a biodegradable polymer selected from the group consisting of aliphatic polyester-based polyurethanes, polylactides, polycaprolactones, polyorthoesters and mixtures, copolymers, and block copolymers thereof; a photoinitiator; and a therapeutic agent. The composition can be used to form an ocular implant and an in situ ocular implant.

The present invention discloses an ultraviolet light curing offset printing fluorescent anti-counterfeiting ink, which comprises, by weight, 40-60% of a polyester acrylate resin, 5-15% of a propoxylate neopentylene glycol diacrylate ester monomer, 15-25% of a luorescent anti-counterfeiting pigment, 5-15% of a filler, 1-2% of an auxiliary agent, and 8-12% of a photoinitiator. According to the present invention, when the prepared single-component ultraviolet light curing offset printing fluorescent anti-counterfeiting ink is used, no solvent exists, and no toxic gas is discharged, such that the advantages of environmental protection and no pollution are provided; and after the curing, different color patterns are displayed along with the irradiation with different anti-counterfeiting lamps, the coloring is good, the mobility is good, and the requirements of the anti-counterfeiting ink can be met.

The invention discloses a preparation method of cisatracurium besylate. The method comprises the following steps: carrying out weal base dissociation on a R-tetrahydropapaverine-N-acetyl-L-leucine salt having a chiral purity of above 99.5% as a starting material so as to obtain R-tetrahydropapaverine; then carrying out a reaction on R-tetrahydropapaverine and 1,5-pentyl glycol diacrylate so as toobtain (1R,1'R)-2,2'-(3,11-dioxo-4,10-dioxa-1,13-subtridecyl) di[1,2,3,4-tetralin-6,7-dimethoxy-1-(3,4-dimethoxyl)benzyl]isoquinoline; after carrying out oxalate refinement and weal base dissociation, carrying out a reaction on (1R,1'R)-2,2'-(3,11-dioxo-4,10-dioxa-1,13-subtridecyl) di[1,2,3,4-tetralin-6,7-dimethoxy-1-(3,4-dimethoxyl)benzyl]isoquinoline and methyl benzenesulfonate so as to prepare1R,1'R-atracurium besilate; and finally, carrying out column chromatography separation on 1R,1'R-atracurium besilate so as to obtain cisatracurium besylate. By using the preparation method, the yieldof cisatracurium besylate can reach 30%, the purity of the product reaches above 98.6%, and single impurity content is below 0.3; and the process is brief, the yield is stable, and the product quality is good, thus the preparation method disclosed by the invention has an industrial application prospect.

The invention discloses a construction method for a damp-proof wall. The construction method comprises the following steps that ethylene glycol diacrylate, hydroxyethyl methylacrylate, 2, 4, 6-trimethylbenzoyl-diphenyl phosphine oxide and polyvinyl alcohol are added into a chemical industry kettle to be stirred evenly, the pressure is increased to 0.2-0.3 MPa and kept for 1.5-2 h, and a compound mother solution is obtained. According to an interface agent provided by the invention, the bonding strength of the interface agent and the wall is improved by adding silica fume, silane end-capping polyether, alkyl sulfonic acid phenyl ester and phenyl maleimide group silicone resin. The interface agent bears the load acted on the wall, meanwhile the interface agent has good anti-permeability and has good bonding effect with plastering mortar, the overall strength and moisture-proof performance of the wall are improved, and the interface agent has good fluidity and is convenient for construction.

The invention discloses a preparation method of an inorganic nanoparticle / polymer-based composite monolithic column. The method comprises the following steps: (a) concentrated nitric acid and concentrated sulfuric acid are mixed; nano-diamond is added; a reflux reaction is carried out, and drying is carried out, such that carboxylated nano-diamond is obtained; (b) the carboxylated nano-diamond is mixed with thionyl chloride; a catalyst is added; ultrasonic treatment and a reflux reaction are carried out; centrifugation is carried out; and washing is carried out, such that acyl chlorinated nano-diamond is obtained; (c) the acyl chlorinated nano-diamond is mixed with anhydrous propenol and pyridine; a reflux reaction is carried out; centrifugation is carried out; and washing and drying are carried out, such that a polymerization monomer is obtained; (d) the polymerization monomer, glycol diacrylate, dodecanol, and benzoyl peroxide are mixed; and ultrasonic treatment is carried out; N,N-dimethylaniline is added, and the mixture is well mixed; the mixture is poured into a stainless steel column; a reaction is carried out under room temperature; a high-pressure delivery pump is connected; and flushing and drying are carried out, such that the inorganic nanoparticle / polymer-based composite monolithic column is obtained. The method has the advantages of simple process, mild reaction condition and good operability. The prepared monolithic column has uniform framework and pore size and good separation performance. The monolithic column is suitable for separating relatively complex samples.

The invention relates to nano titanium dioxide anti-bacterial UV (ultraviolet) varnish and a preparation method thereof. The UV varnish comprises the following components of nano titanium dioxide paste, polyester acrylate, TMPTA (trihydroxymethyl propane triacrylate), NPGDA (dimethyltrimethylene glycol diacrylate), DMF (dimethyl formamide), benzophenone, active amine, 1-hydroxy cyclohexyl phenyl ketone, an organic silicon defoamer and an organic silicon leveler. The UV varnish is suitable for coating the surface of a PVC (polyvinyl chloride) gusset plate, is short in preparation cycle, simple in preparation process, low in production cost, relatively high in solid content, relatively good in glossiness, yellowing-resistant and high in adhesive force, and has the advantages of bacterial resistance, self cleaning capability, low odor, high drying speed and the like.

An inkjet recording method including applying an undercoat solution onto a transparent recording medium, semi-curing the undercoat solution, discharging an ink composition onto the semi-cured undercoat solution, and carrying out overall curing of the semi-cured undercoat solution and the ink composition by exposure under an low oxygen atmosphere after the image formation, the undercoat solution comprising two or more types of polymers and / or oligomers from among polymers and oligomers having a structure selected from the group consisting of a polyester structure, a polyurethane structure, and a chlorinated polyolefin structure, the ink composition comprising at least 95 parts of a polyfunctional ethylenically unsaturated compound relative to 100 parts of the total content of ethylenically unsaturated compound, and at least 5 parts of a polyalkylene glycol diacrylate, and exposure in the overall curing being carried out from both the image formation face and the reverse face of the recording medium.

The invention relates to a light-cured polyurethane coating and a preparation method thereof. The coating consists of two parts: light-cured isocyanuric ring polyurethane resin A and light-cured polyurethane coating B, wherein the light-cured isocyanuric ring polyurethane resin A comprises 369 parts of (2-hydroxyethyl) isocyanurate, 0.5 part of hydroquinone, 84 parts of hexamethylene diisocyanate and 0.1 part of triethylamine; and the light-cured polyurethane coating B comprises 50 parts of compound A, 50 parts of noepentyl glycol diacrylate and 2 parts of Sgacuse 184. The components are irradiated by energy rays (such as ultraviolet rays and ionizing radiation) and can be cured fast, and a coating film has good flexibility, high hardness and good processability, acid resistance, alkali resistance, solvent resistance and the like. The coating is coated with a bar material painting device or in the method of brushing, spraying and the like. The coating is coated on an ABS resin board by a No.5 bar material coating device and is irradiated by an 80W / cm medium-voltage mercury lamp for 3s, and then a high-hardness coating film is obtained. The coating is suitable for furniture made of plastics, optical instruments, stationery, auto parts, aircraft glass, various plastic or glass products with metal films, glass containers and the like.

The invention discloses ultraviolet photo-curing photosensitive resin for 3D printing and a preparation method thereof. The photosensitive resin is prepared from the following components in percentageby mass: 25 to 45 percent of aliphatic epoxy resin, 10 to 25 percent of aliphatic epoxy acrylate, 1 to 6 percent of silicon dioxide, 2 to 10 percent of N,N-dimethylethyl benzoate, 0.5 to 6 percent oftripropylene glycol diacrylate, 5 to 15 percent of triglycol divinyl ether, 0.05 to 4 percent of modified graphene, 0.05 to 5 percent of photoinitiator, 5 to 30 percent of active diluting agent, 0.1to 5 percent of dispersing agent, and 0.1 to 3 percent of promoting agent. The photosensitive resin can be directly applied to 3D printing to produce a product having a complicated structure, the toughness is good, the viscosity is low and formation is quick; quick formation property of 3D printing products is ensured, and an industrial use requirement is met.

Provided is particulate for use in a lithium-selenium battery cathode, the particulate comprising one or a plurality of cathode active material particles (selected from Se, lithium polyselenide, sodium polyselenide, potassium polyselenide, a Se alloy or mixture with Sn, Sb, Bi, S, or Te, or a combination thereof) being embraced or encapsulated by a thin layer of a protecting polymer having a lithium ion conductivity from 10−8 S / cm to 5×10−2 S / cm and a thickness from 0.5 nm to 10 μm, wherein the protecting polymer layer contains a polymer selected from poly(ethylene oxide) (PEO), polypropylene oxide (PPO), poly(acrylonitrile) (PAN), poly(methyl methacrylate) (PMMA), poly(vinylidene fluoride) (PVDF), poly bis-methoxy ethoxyethoxide-phosphazene, polyvinyl chloride, poly(vinylidene chloride), polydimethylsiloxane, poly(vinylidene fluoride)-hexafluoropropylene (PVDF-HFP), polyethylene glycol (PEG), chemical derivatives of PEG, poly(ethylene glycol diacrylate) (PEGDA), polyethylene glycol methyl ether (PEG-me), polyethylene glycol dimethyl ether (PEG-de), sulfonated polymers, interpenetrating polymer networks thereof, and combinations thereof.

The invention discloses a quick-drying core-shell structure hydroxy acrylic emulsion, a preparation method and application thereof. The quick-drying core-shell structure hydroxy acrylic emulsion is obtained by two continuous emulsion polymerization on a core layer monomer and a shell layer monomer in a mass ratio of 1:(1-9), the core layer monomer is composed of methyl methacrylate, styrene, butylacrylate and ethylene glycol diacrylate, and the shell layer monomer is composed of methyl methacrylate, styrene, butyl acrylate, acrylic acid or / and methacrylic acid, hydroxypropyl acrylate or / and hydroxyethyl methacrylate, hydroxyethyl acrylate, isobornyl acrylate or / and isobornyl methacrylate or / and cyclohexyl acrylate or / and cyclohexyl methacrylate. A paint prepared from the hydroxyl acrylicemulsion provided by the invention has high drying speed, a formed paint film has high compactness, good corrosion resistance, and high glossiness and distinctness of image, and the emulsion can be applied to quick-drying acrylic polyurethane paint.

The invention discloses a preparation method of a polycarboxylic acid grafted slump retaining agent. The preparation method comprises the following specific steps: adding glycol, acrylic acid, a catalyst, a water carrying agent and a polymerization inhibitor according to a certain ratio into a three-necked bottle, carrying out water separation, carrying out evaporation of benzene, washing, and carrying out reduced pressure distillation to obtain a cross-linking agent; adding allylpolyoxyethylene ether, maleic anhydride, a cross-linking agent ethylene glycol diacrylate and deionized water according to a certain ratio into a four-necked bottle, heating, dropwise adding 50% acrylamide solution and an initiator, carrying out thermal insulation for 0.5-1h after dropwise adding, and adjusting pH value by using 40% NaOH solution so as to obtain a yellow transparent liquid, namely the polycarboxylic acid grafted slump retaining agent with solid content being 30%. The polycarboxylic acid grafted slump retaining agent prepared by the method can endow concrete with good slump retaining performance, and compressive strength is increased with increasing of mixing amount. Meanwhile, performance of fresh concrete can be greatly improved by using the polycarboxylic acid grafted slump retaining agent along with an existing water reducer.

The invention relates to a preparation method of a moisturizing nutritional covering material for bare soil and a product thereof. The preparation method comprises the following steps of mixing plantstraw, water, urea and a straw fermenting agent, so as to ferment a straw organic fertilizer; mixing 1 / 3 of straw organic fertilizer, potato starch, polyethylene glycol 200 and glycerol, so as to obtain organic polyether polyol; adding toluene diisocynate, triethanolamine, organic silicone oil, organic bismuth, 1,4-butanediol and water into the organic polyether polyol, so as to obtain organic starch polyurethane foam; enabling 1 / 3 of straw organic fertilizer, ammonium persulfate, acrylamide, bentonite, expanded perlite and plyethylene glycol diacrylate to react, and adding 1 / 5 of organic starch polyurethane foam and ammonium hydrogen carbonate, so as to obtain a solid particle water retention agent; adding a slow-release fertilizer, water-absorbent resin, the remained straw organic fertilizer and the solid particle water-retention agent into the remained organic starch polyurethane foam; adding sodium alginate and water, and stirring, so as to obtain a finished product. The moisturizing nutritional covering material is used for preventing the dust fly and promoting the growth of vegetation, and can be biodegraded.

Disclosed is a method of producing organic glass with high wear resistance and high impact resistance by film transferring. Methyl methacrylate prepolymer, pentaerythritol tris-acrylate, dipentaerythritol acrylate, trimethylolpropane tris-acrylate, noepentyl glycol diacrylate, polyethylene glycol (200, 400, 600) diacrylate, hexanediol diacrylate, photosensitizer, flow agent and defoaming agent are sprayed on a toughened glass template to be uv-cured to functional film. The toughened glass with the functional film is used as a template to make the organic glass with wear resistance and impact resistance according to the conventional preparation process with polymethyl methacrylate being injected into the template. The organic glass sheet has the advantages of enough surface hardness and surface resistance, fine impact resistance, antistatic effect and light transmittance, and obvious wear absorption and low moisture resistance compared with the common organic glass.

The invention relates to the technical field of textile materials, and particularly discloses a preparation process of an anti-wrinkle blended fabric. The process is characterized by specifically comprising the following preparation steps of S1, cotton fiber selection; S2, spinning; S3, polyester yarn selection; S4, plied yarn preparation; S5, weaving; and S6, post-treatment, wherein padding treatment is performed on a blended fabric by using an anti-wrinkle finishing liquid, and each 1L of the anti-wrinkle finishing liquid comprises the following raw materials in parts by weight of 80-100 parts of polyvinyl acetal resin, 25-45 parts of ethylene glycol diacrylate, 8-14 parts of sodium bicarbonate, 5-10 parts of triethanolamine, 12-20 parts of anhydrous magnesium chloride, 35-75 parts of acetone and 15-25 parts of an additive; and after padding, the blended fabric is dried to obtain the finished blended fabric. The blended fabric provided by the invention has excellent anti-wrinkle performance.

The invention relates to a method for preparing 1, 6-hexamethylene glycol diacrylate ester, comprising the steps as follows: firstly, 1, 6-hexamethylene glycol, acrylic acid, solvent, and catalyst are mixed with one or more than one of 2, 6-di-tert-butyl-p-cresol, HQMME and active carbon at the temperature of 70-90 DEG C for 2-3h, when the temperature is increased to 110-118 DEG C, reflow is carried out for 5-6h; then sodium carbonate and sodium chloride water solution are added into the mixture obtained after the reaction, washing and demixing are carried out and the upper organic phase is extracted; and finally, the organic phase is separated from solvent by vacuum distillation, thus obtaining 1, 6-hexamethylene glycol diacrylate ester. In the method, the cost of all used raw materials is low, the steps of the process are simple, the operation is convenient, and the 1, 6-hexamethylene glycol diacrylate ester with low volatility, low viscosity and high responsiveness prepared by the method is widely applicable to fields such as UV, EB as well as printing ink, coating material, adhesive, cast product and the like which can be solidified by heat.

An inkjet recording method including applying an undercoat solution onto a transparent recording medium, semi-curing the undercoat solution, discharging an ink composition onto the semi-cured undercoat solution, and carrying out overall curing of the semi-cured undercoat solution and the ink composition by exposure under an low oxygen atmosphere after the image formation, the undercoat solution comprising two or more types of polymers and / or oligomers from among polymers and oligomers having a structure selected from the group consisting of a polyester structure, a polyurethane structure, and a chlorinated polyolefin structure, the ink composition comprising at least 95 parts of a polyfunctional ethylenically unsaturated compound relative to 100 parts of the total content of ethylenically unsaturated compound, and at least 5 parts of a polyalkylene glycol diacrylate, and exposure in the overall curing being carried out from both the image formation face and the reverse face of the recording medium.

The invention provides a pre-crosslinked gel granulate for profile control and polymer flooding as well as a preparation method and application of a pre-crosslinked gel granulate. The pre-crosslinked gel granulate belongs to a reagent for oil exploitation, and is obtained by polymerizing and crosslinking a composite monomer and an instable crosslinking agent under initiation of an initiator so as to obtain body gel, drying and grinding, wherein the composite monomer comprises acrylamide and acrylic acid; and the instable crosslinking agent is selected from polyethylene glycol diacrylate, polyethylene glycol dimethacrylate, polypropylene glycol diacrylate, glycol diacrylate, trimethylolpropane triacrylate, ethoxy trihydroxymethyl triacrylate and the like. The volume of the gel granulate is expanded by absorbing water; after the gel granulates are injected into an oil deposit, big pore canals and ultrahigh pervious layers are plugged in the immediate vicinity of wellbore of an oil layer, so that the injected water enters into a low pervious layer area to start residual oil; after acting for certain time, the gel granulate is automatically hydrolyzed into a solution, so that oil-water mobility control is realized; and the gel granulate has double functions of profile control and polymer flooding, is suitable for the oil deposits of a high water holding period, and can be used for improving the recovery rate of petroleum.

The invention provides a hyper-crosslinked resin and its application in adsorption separation of 5-hydroxymethylfurfural. A preparation method for the hyper-cross-linked resin comprises the following steps: S1, mixing an ester monomer, a cross-linking agent, an initiator and a pore forming agent, adding the formed mixture into an aqueous phase containing a dispersing agent, and performing suspension polymerization to obtain precursor resin; and S2, adding a swelling agent and a Lewis acid catalyst into the precursor resin, and performing a post-crosslinking reaction of a suspended double bond to obtain post-crosslinked resin, wherein the ester monomer is one or more selected from the group consisting of ethyl acrylate, butyl acrylate, triethylene glycol dimethacrylate, ethylene glycol dimethacrylate, ethylene glycol diacrylate, methyl methacrylate , glycidyl methacrylate and hydroxyethyl acrylate. The hyper-crosslinked resin provided by the invention has a BET specific surface area of 400 to 1200 m<2> / g, a pore volume of 0.1 to 2.5 cm<3> / g, and an average pore size of 1 to 20 nm.

The invention discloses a method and an application for preparing a titanium nanotube iodine coating by a chemical vapor deposition method, and belongs to the technical field of materials. In order toovercome the shortcoming that iodine is not easily fixed on the surface of medical titanium implants, the invention provides a simple and efficient method for preparing an iodine coating. Firstly, atitanium nanotube (TNT) with controllable tube diameter and tube length is prepared on the surface of the titanium material by constant voltage direct current anodic oxidation method, and then 1-vinyl-2-pyrrolidone (VP) and crosslinking molecule glycol diacrylate (EGDA) are copolymerized and deposited on the surface of the TNT by a high polymer chemical vapor deposition method under a mild reaction condition, so as to form TNT-P (VP-CO-EGDA); then TNP-P (VP-CO-EGDA)-I is prepared by complexing with iodine (I) under the mild condition, and I is fixed on the surface of the TNT, so that the titanium material has the function of killing microorganisms and has an obvious effect on drug-resistant bacteria. The insolubility of P (VP-CO-EGDA) on the surface of TNT is conducive to fix I on the surface of medical titanium equipment, so the infection caused by bacteria on the surface is reduced, and drug resistance is not produced.

The invention discloses an environment-friendly antistatic cable material. The environment-friendly antistatic cable material is prepared from the following raw materials in parts by weight: 4-7 parts of silicone, 2-3 parts of dilauryl thiodipropionate, 3-4 parts of aminopropyltriethoxysilane, 2-5 parts of ferric trichloride, 45-65 parts of chlorosulfonated polyethylene rubber, 2-3 parts of octadecyl dimethyl hydroxyethyl quaternary ammonium nitrate, 5-6 parts of aluminium hydroxide, 4-5 parts of 2-hydroxy-4-methoxybenzophenone, 3-5 parts of benzenetricarboxylic trioctyl phosphate, 2-4 parts of tetraphenyl ethylene, 1-3 parts of a titanate coupling agent TMC-TTS, 3-6 parts of 1,6-glycol diacrylate, 6-8 parts of dicumyl peroxide, 15-25 parts of N220 carbon black and 8-12 parts of additives. The cable material has high temperature resistance and ageing resistance; the raw materials such as octadecyl dimethyl hydroxyethyl quaternary ammonium nitrate are added, so that the anti-static performance of the cable material is greatly improved; a halogen-free flame retardant is adopted, so that the cable material is free of pollution to the environment and is a novel cable material which is worthy of bwing popularized and applied.