40 results about "Glyceryl methacrylate" patented technology

The invention discloses a poly-glyceryl methacrylate grafted hydrophobic charge-induced chromatography medium and a preparation method thereof. The preparation method comprises the following steps: taking hydrophilic porous microspheres as a chromatography medium, activating the chromatography medium by virtue of an activating reaction, carrying out a poly-glyceryl methacrylate polymerization reaction on the surface of the activated chromatography medium, thereby obtaining a polymer grafted chromatography medium; and finally, coupling a hydrophobic charge-induced ligand, thereby obtaining the polymer grafting type hydrophobic charge-induced chromatography medium. The chromatography medium disclosed by the invention has the poly-glyceryl methacrylate grafting chain and hydrophobic charge-induced functional ligand, the ligand density is high, the dynamic loading capacity of target proteins such as antibodies is obviously improved at high flow velocity, the chromatography medium has salt-independent adsorption characteristics, and desorption and recovery can be realized by changing the pH value of the solution to be weakly acidic. The preparation process of the novel medium is simple and convenient, strict oxygen removal in the grafting reaction process is not needed, and the amount of catalysts and ligand is small.

The invention relates to overall-plastic microcosmic layered composite material with the weight proportion of material as: 75~85% polyvinyl resin composed of HDPE, LDPE, and LLDPE, 5~16% aromatic nylon selected one between nylon 6, nylon 66 and nylon 1010, 3~8% montmorillonite selected one between NB901 and NB908, and 5~13% grafts selected one between ethylene-vinyl acetate copolymer, polyvinyl maleic anhydride grafts, and glyceryl methacrylate. Wherein, the preparation method comprises: using material to mix and granulate, using extrusion calendar to tablet and form for one time. The product can not only fit to package request for grease, organic solvent, etc, but also needs no special device, and is photodegradated.

The invention discloses a preparation method of a high-modulus and high-damping composite. The preparation method comprises the steps of preparing a multi-block copolymer, namely PGMA (poly glyceryl methacrylate)-PBMA (poly butyl methacrylate)-PDMS (polydimethylsiloxane)-PBMA-PGMA, and preparing the damping composite. According to the preparation method the multi-block copolymer, namely PGMA-PBMA-PDMS-PBMA-PGMA crosslinks with 4,5-cyclohexene oxide-1,2-dodecanedioic acid diglycidyl ester to form an IPN (interpenetrating polymer network) macromolecule network structure under the action of a curing agent, namely m-phenylenediamine, the mechanical property of the damping composite is improved greatly by a fortifier carbon fiber, and the high-modulus and high-damping composite is prepared. The composite is molded by casting, has small curing shrinkage, and is applicable to some modules with complicated structures and high property requirements. According to the preparation method, the carbon fiber is added to modify the mechanical property of the epoxy resin base composite, so that the high-modulus damping composite can be prepared. The preparation method can be used for preparing materials with higher requirements on the mechanical property and damping property.

The invention discloses a flexible hydrophilic contact lens containing sodium hyaluronate and preparing method thereof, the flexible hydrophilic contact lens consists of comonomers composed of methyl methacrylate, ethyl methacrylate, N-ethenyl pyrrolidone, glyceryl methacrylate, (bi)glycol dimethacrylate, UV absorbing agent, azo-bis-iso-heptonitrile and reduction blue rinsing dye, also comprises 0. 1-0. 2(volume) of sodium hyaluronate water solution, when being preparing, mixing the above substances; arranging in a mould for heat polymerization and additional vulcanization; then machining, hydrating, extracting and cleaning to obtain the flexible hydrophilic contact lens. The sodium hyaluronate adopted in the invention is high hydrotropic substance and has high wetting property and moisture-keeping property. The sodium hyaluronate is added in the traditional flexible hydrophilic contact lens material system, which can improve the water content of the material and can improve the wetting property and the moisture-keeping property of the material surface, the wearing time of the wearer can be prolonged.

The invention relates to a special material composition with low metal cohesiveness for automobile tail fins. The material composition comprises the following components in parts by weight: 89-98 parts of acrylonitrile butadiene styrene (ABS) matrix with high melt strength, 1-3 parts of a fluorine-containing polymer and 2-8 parts of calcium carbonate, wherein the ABS matrix with high melt strength is a mixture of an acrylonitrile-butadiene-styrene copolymer, a styrene-maleic anhydride copolymer and an acrylonitrile-styrene-glyceryl methacrylate copolymer, and the calcium carbonate is calcite nanometer calcium carbonate of which the grain size is 20-200nm. The adhesive property of the material on metal is reduced by a special design of the formula, the problems of coke materials, black spots, surface scratches, long cleaning time and the like generated in the extruding and blow molding processes are greatly solved, and meanwhile, the material also has the characteristics of high melt strength, good dimensional stability, high heat resistance, good workability and the like.

The invention discloses metal rust-preventative oil containing methacrylic acid isobutyl ester. The metal rust-preventative oil containing the methacrylic acid isobutyl ester is characterized by comprising the following raw materials, by weight, 110 parts-120 parts of number 120 solvent oil, 1 part-2 parts of lanolin, 1 part-2 parts of the methacrylic acid isobutyl ester, 1.5 parts-2.8 parts of a silane coupling agent KH 570, 0.5 part-0.7 part of epoxidized soybean oil, 0.3 part-0.4 part of span 80, 0.5 part-0.7 part of antioxidant 1135, 0.3 part-0.5 part of octyl phenol polyoxyethylene ether, 0.1 part-0.2 part of naphthenic acid magnesium, 0.2 part-0.5 part of benzotriazole, 1.5 parts-1.7 parts of 2-aminoethyl-heptadecenyl-imidazoline, 0.5 part-1part of hydrogenation tallow amine, 2.1 parts-3.4 parts of polyisobutene acid glyceride, 0.4 part-0.5 part of polyisobutyl-succinimide, 0.3 part-0.8 part of alkyl glycoside, 6 parts-8 parts of composite film-forming materials, 0.3 part-0.5 part of modified nanometer vermiculite powder, and 10 parts-12 parts of propylene glycol. The metal rust-preventative oil containing the methacrylic acid isobutyl ester has good contact rust-preventative performance and a good gaseous phase rust-preventative effect. The metal rust-preventative oil containing the methacrylic acid isobutyl ester has a good gaseous phase rust-preventative effect and a contact rust-preventative effect to steel and brass.

The invention provides an organic-inorganic hybrid strong-basicity anion exchange membrane and a preparation method thereof, relating to the anion exchange membrane and the preparation method thereof. The anion exchange membrane and the preparation method solve the problems in the prior art for preparing the anion exchange membrane, such as environmental pollution, unsafe operation process and poor product performance. The organic-inorganic hybrid strong-basicity anion exchange membrane is prepared by polyvinylidene fluoride, polyether-ether-ketone, divinyl benzene, ethylstyrene, dimethyl phthalate, organic solvent, nanometer aluminium oxide particles, glyceryl methacrylate and benzoyl peroxide. The method comprises the following steps of: 1. weighing required compositions by weight percentage; 2. ultrasonically mixing the nanometer aluminium oxide particles with the organic solvent; 3. adding other compositions into the mixture to produce a casting solution; 4. preparing the membrane by the casting solution; and 5. immersing and rinsing the membrane, putting the membrane in an HCL solvent for immersing, and cleaning the membrane once more, thereby obtaining the organic-inorganic hybrid strong-basicity anion exchange membrane. The organic-inorganic hybrid strong-basicity anion exchange membrane and the preparation method thereof have the advantages of no environmental pollution, safe operation process and good product performance.

The invention discloses a high-molecular polymer oil displacement surfactant for an oil field and a preparation method of the high-molecular polymer oil displacement surfactant and belongs to the technical field of oil field development. The high-molecular polymer oil displacement surfactant is prepared from a DMAG quaternary polymer and an AS polymer; the DMAG quaternary polymer is composed of areaction monomer, an initiator and distilled water; the reaction monomer is composed of dimethyl maleate, maleic anhydride, 2-acrylamide-2-methylpropanesulfonic acid and dehydrated glyceryl methacrylate; the initiator is azodiisopropylimidazoline acid salt; the AS polymer is polymerized in distilled water by taking acrylamide and vinylbenzene sulfonic acid as reaction monomers, 2,2'-Azobis[2-(2-imidazolin-2-yl)propane] dihydrochloride(AIBI) as an initiator and mercaptoethylamine sulfonate as a chain transfer agent. The prepared oil displacement surfactant and crude oil form emulsion, the viscosity of the crude oil can be effectively reduced, remaining oil in stratum gaps can be effectively exploited, and the exploitation requirement of an oil field for thick oil and pore remaining oil is met.

The invention discloses a glyceryl methacrylate grafting bimaleimide modifying dicyclopentandiene bisphenol cyanate ester resin and a method for preparing the same. According to the weight portion, 10 to 25 portions of glyceryl methacrylate/bimaleimide prepolymer are mixed with 0.01 to 0.1 portion of initiator; and after even mixing, the mixture is added to 75 to 90 portions of dicyclopentandiene bisphenol cyanate ester and fully mixed at a temperature of 80 DEG C to obtain the modified dicyclopentandiene bisphenol cyanate ester resin. On the basis of keeping the excellent dielectric property of the dicyclopentandiene bisphenol cyanate ester resin, the preparation method obviously improves the thermal resisting property and the mechanical property of the resin; moreover, the preparation method also has the advantages of simple process and wide applicability. The dicyclopentandiene bisphenol cyanate ester resin prepared by the method can be used as a high-performance adhesive, an advanced compound material resin matrix and the like.

The invention relates to a rapid separation and detection method of a vinyl triazole product. The method comprises that diazoresin modified porous poly(glyceryl methacrylate) microspheres are used as a filler of a high performance liquid chromatography column; the filler is prepared by the steps of taking uniform-particle-size porous poly(glyceryl methacrylate) microspheres prepared by a multi-step swelling method as a basis, then hydrolyzing the polymer microspheres to obtain hydroxyl, and carrying out optical crosslinking reaction with diazoresin having diazonium groups. Due to the hydrophobicity of the chromatographic column filler, the overall retention time on the vinyl triazole product having hydrophobicity is reduced, and the retention time of a by-product acetic acid is enhanced with use of a secondary amino group of the modified diazoresin, so that the vinyl triazole and the by-product are separated. The method is used for separation and detection of the vinyl triazole product, has the advantages of rapid separation and detection, simple operation and good reproducibility, provides an effective separation means for triazole vinyl, and has relatively high practical value.

The invention relates to a novel printing and dyeing adhesive synthesis method. The method specifically comprises: sequentially adding reaction bottom materials to a three-neck round-bottom flask, andperforming heating to a temperature of 83 DEG C to dissolve the bottom materials; adding an initiator, dropwise adding a pre-emulsified material by using a constant-pressure dropping funnel, and controlling the dropwise adding time to be 1h; after the pre-emulsified material is dropwise added for 15 min, dropwise adding an initiator through the constant-pressure dropping funnel, wherein droppingcannot be completed earlier than that of the pre-emulsified material; and after dropping, keeping the temperature at 83 DEG C for 1 hour, finally performing cooling to 45 DEG C, filtering and discharging. The bottom materials comprise: K-12, AEO-9 and water. The pre-emulsified material is prepared from K-12, AEO-9, water, butyl acrylate, tert-butyl acrylate, methyl ester, acrylonitrile, glyceryl methacrylate, acrylic acid and isobutyl acrylate. The initiator comprises APS and water. The novel printing and dyeing adhesive synthesis method have the advantages of the simple process flow and relatively mild reaction conditions. The synthesized adhesive is good in uniformity and strong in stability. The synthesized adhesive is more environment-friendly, efficient and simple in post-treatment.

The invention discloses a photosensitive material paint. The waterproof flame-retardant paint is prepared from the following substances of: 50-70 parts of oily pigment, 25-45 parts of hydroxyethyl methacrylate, 15-25 parts of ammonium polyphosphate, 10-25 parts of mica titanium, 5-30 parts of hydrated alumina, 5-24 parts of polyethylene wax powder, 3-8 parts of acrylonitrile, 1-5 parts of methyl methacrylate, 4-8 parts of non-floating aluminum powder slurry, 2-9 parts of trichloroethane, 8-19 parts of pentaerythritol, 1-6 parts of sodium nitrite, 10-20 parts of benzoyl peroxide, 5-15 parts ofpolyglyceryl methacrylate gel, 8-15 parts of methyltriethoxysilane and 5-13 parts of polyisobutyl ester. The paint has flame-retardant and waterproof properties, and can reduce the fire combustion speed as much as possible when an accident occurs, so that the safety coefficient is increased; and various components are matched with one another, so that the paint is low in toxicity, good in paintingeffect and long in service life.

The invention discloses straw-based panel forming glue, and relates to the technical field of forming glue. The straw-based panel forming glue comprises the following components in parts by mass: 8-12 parts of polyvinyl alcohol, 15-25 parts of perchloro-ethylene resin, 12-18 parts of glyceryl methacrylate gel, 10-14 parts of phenolic resin, 5-9 parts of an aqueous sodium hydroxide solution, 1-5 parts of polyethylene polyamine, 2-4 parts of hydroxymethyl cellulose, 1-3 parts of a glue stabilizer, 7-9 parts of a flame retardant, 6-10 parts of a defoaming agent, 3-5 parts of an anti-aging agent and 70-90 parts of water. The glue is low in cost, low in equipment requirement, easy to produce and good in social popularization and application; the raw materials are environment-friendly, nontoxic and free of pungent smell; and the glue is convenient to store, not prone to solidification, good in waterproof performance, not prone to combustion due to the fact that the flame retardant is added, and safe and reliable.

The invention belongs to the technical field of impermeable coatings, and discloses an impermeable coating with a heavy metal chelating function as well as a composition and application thereof. The preparation method comprises the following steps: carrying out a ring-opening reaction on active siloxane, a long-chain alkyl derivatives and a polyamine structure compound with an epoxy ring of poly(glyceryl methacrylate); and introducing a polyether modified siloxane chain Rn, a long-chain alkyl Rf and a polyamine structure Rm into a polymer chain, wherein the molar ratio of a polyepoxy main chain to the polyether modified siloxane chain Rn to the long-chain alkyl Rf to the polyamine chain Rm is (5-50): (1-10): (1-10): (1-10). The impermeable coating has a plurality of heavy metal binding sites and integrates multiple functions such as a heavy metal chelating function, a bonding function, a hydrophobic function and a film forming function. Micro-nano particles in the coating composition are wound and chemically bonded with a polymer film forming matter to form a stable hydrophobic impermeable polymer film, so that the use amount is small, the cost is low, and the heavy metal stabilizing effect is efficient and lasting.

The invention discloses an anti-vibration material for a sound box. The anti-vibration material includes: 5,5'-bis(9-hexylcarbazole-3-)-2,2'-bipyridine, Ni-Co/EG , polyglycidyl methacrylate-ethylene glycol dimethacrylate, corn silk polyphenols, benzoic acid, polyethylene terephthalate and acrylonitrile-butadiene-styrene, the components of which The weight content is: 5,5'-bis(9-hexylcarbazole-3-)-2,2'-bipyridine 3~10 parts, Ni-Co/EG 2~5 parts, polyglycidyl methacrylate- 30~40 parts of ethylene glycol dimethacrylate, 5~14 parts of corn silk polyphenol, 4~13 parts of benzoic acid, 22~39 parts of polyethylene terephthalate and acrylonitrile-butadiene-styrene share. Through the above method, the present invention has good anti-vibration performance, and can avoid the influence of the vibration of the sound box.

The invention provides a polyethylene pipe for trenchless engineering. The polyethylene pipe is prepared from the following raw materials in parts by weight: 100 parts of high-density polyethylene, 3-5 parts of mica, 5-10 parts of a functional modifier, 0.5-1 part of a silane coupling agent, 3-5 parts of color master batch and 3-5 parts of antioxidant master batch. The functional modifier is polyacrylamide activated and modified by glyceryl methacrylate and polyvinylidene fluoride. The polyethylene pipe for trenchless engineering provided by the invention has the beneficial effects that the inner wall of the pipe is modified by polyacrylamide, so that the frictional resistance of water in the pipe is effectively reduced, and the fluid conveying capacity is improved; polyvinylidene fluoride is utilized, so that the wear resistance of the surface of the pipe is improved, and the pipe cannot be greatly damaged in the pipe penetrating process; meanwhile, a small amount of mica is added, so that the strength of the pipe is improved, and the construction effect and the safety quality before and after repair are ensured on the premise that the overall flexibility of the pipe is not influenced.

The invention provides a preparation method and application of a dendrimer macromolecule-modified adsorbent with a reversed phase/strong anion exchange mixed mode. The preparation method specificallycomprises the following steps: dissolving a cross-linking agent, a functional monomer and an initiator in a pore-foaming agent, introducing nitrogen to remove oxygen to prepare a solution A, dispersing nano-SiO2 into a triton X-100 water solution to obtain a solution B, mixing the solution A with the solution B, carrying out dispersing by a pulp refiner, carrying out polymerizing at a temperatureof 60 DEG C, carrying out an epoxy-amine ring opening reaction on the obtained polymer with a surface wrapped by SiO2 with ethylenediamine at a temperature of 80 DEG C to obtain a polymer with amino,soaking the polymer by using hydrofluoric acid to remove the SiO2 to obtain G0-poly(glyceryl methacrylate) (G0-PGMA), then carrying out a two-step reaction to modify the surface of the G0-PGMA with dendrimer polyamide-amine (PAMAM), and finally carrying out a reaction with a substance with epoxy to obtain the dendrimer macromolecule-modified adsorbent with the reversed phase/strong anion exchangemixed mode.