229 results about "Lauryl methacrylate" patented technology

A braided stent (1) for transluminal implantation in body lumens is self-expanding and has a radial expanded configuration in which the angle α between filaments is acute. Some or all of filaments (6,7) are welded together in pairs at each end (4,5) of the stent to provide beads (8), thereby strengthening the stent and assisting its deployment from a delivery device. The stent is preferably completely coated using a biocompatible polymeric coating, said polymer preferably having pendant phosphoryl choline groups. A method of making the stent by braiding and welding is described as well as a delivery device for deploying the device.The present invention provides a biocompatible crosslinked coating and a crosslinkable coating polymer composition for forming such a coating. The biocompatible crosslinked coating may be formed by curing a polymer of 23 mole % (methacryloyloxy ethyl)-2-(trimethylammonium ethyl) phosphate inner salt, 47 mole % lauryl methacrylate, 5 mole % γtrimethoxysilyl propyl methacrylate and 25 mole % of hydroxy propyl methacrylate. The crosslinkable coating polymer may include 23 mole % (methacryloyloxy ethyl)-2-(trimethylammonium ethyl) phosphate inner salt, 47 mole % lauryl methacrylate, 5 mole % γtrimethoxysilyl propyl methacrylate and 25 mole % of hydroxy propyl methacrylate.<?insert-end id="INS-S-00001" ?>

The invention relates to a preparation method of a foamed porous graphene/polypyrrole composite oil absorption material, belonging to the technical fields of environmental protection and composite materials. The method is characterized by comprising the following steps: carrying out KH570 functionalization on graphite oxide prepared from graphite; carrying out ultrasonic treatment on the functionalized graphite oxide product to obtain a graphene oxide aqueous solution with a certain concentration, adding certain amounts of pyrrole, styrene or butyl methacrylate or lauryl methacrylate and an initiator (ammonium persulfate or potassium persulfate); carrying out thermostatic reaction in a hydrothermal reaction kettle for 10 hours, thereby obtaining a black solid; and carrying out freeze-drying on the black solid to obtain the foamed porous graphene/polypyrrole composite oil absorption material in a three-dimensional structure. The graphene/polypyrrole composite oil absorption material ina three-dimensional structure is prepared by a chemical process, so the material has hydrophobicity and large specific area of the graphene, can contain abundant oil molecules, and has high oil adsorbability. The preparation method is simple to operate, and has the advantage of mild reaction conditions.

The invention discloses environment-friendly nontoxic glue. The environment-friendly nontoxic glue comprises, by weight, 60-160 parts of polyester, 30-40 parts of butylene glycol acrylate, 40-60 parts of trimethylolpropane, 10-30 parts of butanediol, 20-40 parts of metoxyphenol, 8-12 parts of acetone, 9-12 parts of acrylamide, 10-28 parts of styrene, 6-24 parts of ethyl alcohol, 2-6 parts of xylene, 20-30 parts of poly(isobutyl ester), 10-30 parts of aluminum hydroxide, 24-48 parts of phosphotriester, 12-18 parts of antimonous oxide, 100-160 parts of 2-hydroxyethyl methacrylate, 80-100 parts of methyl methacrylate, 20-60 parts of lauryl methacrylate, 12-16 parts of styrene, 150-200 parts of butyl methacrylate, 20-40 parts of methacrylic acid, 8-16 parts of dehydroacetic acid and 20-40 parts of butanol. According to the environment-friendly nontoxic glue, manufacturing is easy, adopted and selected production raw materials are nontoxic, the using effect of the glue is good, environmental friendliness is achieved, a tough coating can be formed, and lasting water repellency and antistatic performance are achieved.

The invention relates to an efficient mirror plane flatting agent for powder paint, an preparation method and an application. The efficient mirror plane flatting agent is prepared from, by mass, 600-800 parts of acrylic acid butyl ester, 100-360 parts of lauryl methacrylate, 20-50 parts of hydroxyl acrylate monomers, 20-50 parts of styrene, 10-25 parts of azodiisobutyronitrile and 900-1500 parts of methylbenzene. The number-average molecular weight Mn of the prepared flatting agent is 6000-7000, the molecular weight distribution PDI is 1.5-2.8, and the flatting agent can be prepared into a solid state through gas-phase silicon oxide adsorption in the later period. The flatting agent is mainly applied to the powder paint, hydroxyl polar groups and benzene rings are introduced in the flatting agent, therefore, the compatibility of the flatting agent and resin in the powder paint and the wettability of the flatting agent for substrates can be effectively facilitated, and then a coating can achieve the excellent flatting, shrinkage cavity resisting and brightening effects; in addition, the Mn of the flatting agent is 6000-7000, the PDI is 1.5-2.8, and therefore the flatting, shrinkage cavity resisting and brightening effects of the coating can be further optimized; furthermore, the polar group hydroxyl is introduced, and therefore the adhesive force of the coating on the metal substrates can be effectively improved.

The invention discloses finishing water-soluble acrylic resin and its preparation method and belongs to the technical field of resin. The resin provided by the invention comprises the following ingredients: acrylic acid, methacrylic acid, styrene, butyl methacrylate, butyl acrylate monomer, hydroxyethyl methylacrylate, 2-ethylhexyl acrylate, N-dodecyl mercaptan, methyl methacrylate, N,N-dimethyl ethanolamine, ethanol, water, lauryl methacrylate, Isobornyl methacrylate, hydroxyethyl acrylate, hydroxy-propyl acrylate and AIBN. The preparation method comprises six steps. By the preparation method, the required finishing water-soluble acrylic resin is finally prepared. The finishing water-soluble acrylic resin prepared by the formula and the preparation method can be used to effectively reduce costs and has an effect of environmental protection, can completely meet requirements of a finishing varnish in the aspect of prepared paint properties and overcomes the defect that water-soluble resin is not resistant to water, acid or salt in the field of traditional chemical industry.

The invention discloses an acrylic resin for transfer ink. The acrylic resin is prepared by performing copolymerization on soft monomers of which the glass transition temperatures are lower than 25 DEG C and hard monomers of which the glass transition temperatures are higher than 25 DEG C according to a mass ratio of 55 :45-95 :5, wherein the soft monomers are selected from at least one of 2-methylpropenoic acid dinbutyl phthalate, methyl acrylate, ethyl acrylate, butyl acrylate, acrylic di-iso-octyl sebacate, and 2-methylpropenoic acid glycerol trilaurate; the hard monomers are selected from at least one of 2-methylpropenoic acid methyl ester, 2-methylpropenoic acid ethyl ester, 2-methylpropenoic acid butyl acetate and cinnamene. The glass transition temperature of the acrylic resin provided by the invention ranges from 28 to 40 DEG C, the weight-average molar mass is 50,000 to 400,000, and the Tu-4 cup viscosity is 100-200 seconds. The acrylic resin has moderate adhesive force and better tenacity, and the acrylic resin can meet the requirement for the service performance of the transfer ink.

The invention discloses a high-temperature-resistant mirror silver resin which is prepared from the following raw materials: first components comprising cellulose acetate butyrate and a solvent; second components comprising methyl methacrylate, butyl methacrylate acetate, hydroxyethyl methacrylate, hydroxypropyl methacrylate, epoxy methylacrylate, vinyl siloxane, isobornyl methacrylate, lauryl methacrylate, acrylic acid and an initiator; and third components comprising an initiator and a solvent. A preparation method of the mirror silver resin comprises the steps of adding cellulose acetate butyrate of the first components into the solvent, dissolving, heating while stirring, heating up to 70-95 DEG C, and introducing nitrogen gas; mixing the second components, dropwise adding into the first components, carrying out heat preservation, and heating up to 85-110 DEG C; and adding the third components, carrying out heat preservation, and finally cooling and filtering. The prepared silver mirror resin has high temperature resistant performance, and has a broad-spectrum adhesive force to a base material; the product has relatively good solvent resistance; and the synthesis process is green and environmentally friendly.

The invention relates to a styrene-acrylic emulsion containing carboxylic acid groups, which comprises the following raw materials in percentage by weight: 20-25 percent of styrene, 5-8 percent of ethyl acrylate, 7-10 percent of butyl acrylate, 1.5-2.0 percent of triethylene glycol dimethacrylate, 2-3 percent of itaconic acid, 6-8 percent of lauryl methacrylate, 2-4 percent of MS-1 emulsion, 0.2-0.4 percent of potassium persulphate, 0.1-0.2 percent of sodium bicarbonate and the balance of deionized water, wherein the solid component content of the MA-1 emulsion is 30 wt%, the styrene-acrylic emulsion has the glass transition temperature of 2-5 DEG C, the pH value of 4-6 and the viscosity of 250-750mPa.S, the content of a volatile organic compound is not larger than 5g/l, and the solid component content is 48+/-2 wt%. The invention provides the styrene-acrylic emulsion containing carboxylic acid groups, which has low glass transition temperature Tg and low volatile organic compound content.

The invention discloses an acrylic acid microgel emulsion having the automatic restoration function and a preparation method thereof, and belongs to the technical field of a modified coating. The acrylic acid microgel emulsion comprises a shell layer and a core, wherein the shell layer includes a shell solution, water, isobornyl methacrylate, butyl methacrylate, alkylphenol polyoxyethylene, sodium dodecanesulphonate and potassium persulphate, and the core includes styrene, lauryl methacrylate, acrylic acid, hydroxyethyl methylacrylate, glycidyl methacrylate, 3-glycidoxypropyltrimethoxysilane, 2,2'-azobis (2,4-dimethyl) valeronitrile and ethanol. The emulsion has the advantages of low VOC discharge capacity and high solid content. The shell layer doesn't crack and the core colloid isn't released when the emulsion is sprayed at the room temperature. When a scratch appears, hot water with the temperature of 80 DEG C is used to wash the scratch, and the shell layer is heated, softened, and collapsed to release the core colloid. The core colloid is heated and softened to gradually fill the scratch, is self-cross-linked, and is hardened, so that the scratch is lightened and disappeared.

The invention relates to a preparing method of a PDLC (polymer dispersed liquid crystal) dimming glass film. The method particularly comprises the following steps that in a light shading environment, resin, photoinitiators, HPMA (hydroxypropyl methacrylate), OPPEA (ortho-phenyl phenoxyl ethyl acrylate) and LMA (lauryl methacrylate) are proportionally mixed; after the mixing, the materials are uniformly stirred for about 30 minutes at the room temperature being about 25 DEG C; a mixture A is obtained; 35 percent of the mixture A is mixed with 65 percent of liquid crystals, and the mixture is uniformly stored for about 30 minutes at the room temperature about 25 DEG C; a mixture B is obtained; 0.5-percent 20um nanometer materials are added to be mixed with the mixture B, and the mixture is uniformly stirred for about 30 minutes at the room temperature being about 25 DEG C; finally, PDLC raw materials are obtained; coating and pressing are carried out; the curing process is carried out. The method provided by the invention includes the PDLC raw material preparation and a film production method. The production cost of the PDLC film is greatly reduced.

The invention relates to a composite material for purifying water. The composite material is made of the following raw materials in parts by weight: 6-11 parts of anatase titanium dioxide, 8-12 parts of carboxymethyl methylcellulose, 3-9 parts of talcum powder, 6-10 parts of diatomite, 2-5 parts of palm oil, 2-7 parts of lauryl methacrylate, 1-5 parts of atractylodes, 4-9 parts of linear low-density polyethylene, 2-8 parts of potato straw powder, 1-5 parts of iron oxide, 8-14 parts of sodium dihydrogen phosphate, 1-3 parts of attapulgite and 5-11 parts of oyster shell powder. The composite material for purifying water disclosed by the invention plays the role of fast sedimentation, and can adsorb heavy metal ions in water without pollution to the water.

The invention discloses epoxy modified electroplated silver resin, comprising a first component, a second component, a third component and a fourth component, wherein ingredients of the components and the weight percentage of each ingredient in the epoxy modified electroplated silver resin are as follows: the first component comprises toluene and butyl acetate; the second component comprises methyl methacrylate, tert-butyl methacrylate, lauryl methacrylate, hydroxyethyl methacrylate, glycidyl methacrylate, an AB-4 monomer and tert-butyl peroxybenzoate; the third component comprises butyl acetate and tert-butyl peroxybenzoate; and the fourth component comprises methyl isobutyl ketone. The invention further discloses a preparation method of the epoxy modified electroplated silver resin.

The invention relates to the technical field of surface modification, and relates to a method for preparing a surface hydrophilic modifier for a hydrophobic material. The modifier is an amphiphilic block polymer with molecular weight in gradient distribution. The method comprises the following steps: dissolving a polyethylene glycol derivative in a solvent, weighing a free radical polymerization reaction initiator and a lauryl methacrylate monomer, putting the above component into a high-speed mixing machine, stirring at high speed, subsequently dissolving and depositing a product, and drying, thereby obtaining the modifier, wherein the weight part ratio of the polyethylene glycol derivative to the solvent to the free radical polymerization reaction initiator to the lauryl methacrylate monomer is (10-50) to (100-1000) to (0.1-5) to (10-50). The surface hydrophilic modifier synthesized by using the method is used for performing surface modification on resin, not only is the surface hydrophilicity improved, but also the flexibility of substrate resin is improved, and thus the surface hydrophilic modifier can be widely applied to the fields such as polyethylene, polypropylene, polyvinyl chloride, polystyrene, polyvinylidene fluoride and ABS.

The invention relates to a polymer dispersed liquid crystal dimming film and a preparation method thereof. The dimming film is prepared from, by weight, 25-30 parts of monomer hydroxypropyl methacrylate, 38-45 parts of epoxy resin, 22-28 parts of o-phenyl phenoxyethyl acrylate, 4-6 parts of lauryl methacrylate, 4-6 parts of a photoinitiator, 4-6 parts of a light stabilizer, 140-180 parts of liquidcrystals and 1.8-2.2 parts of nano particles. The preparation method comprises the steps that monomer hydroxypropyl methacrylate, epoxy resin, o-phenyl phenoxyethyl acrylate and lauryl methacrylate are added to a mixing container to be mixed and stirred, then the liquid crystals are added, then the materials are mixed, then the photoinitiator, the light stabilizer and the nano particles are addedto be stirred, after the raw materials are obtained, coating and pressing fit are carried out, and the polymer dispersed liquid crystal dimming film is obtained after curing is carried out. When theprepared polymer dispersed liquid crystal dimming film is used, the switching response between a scattering state and a transparent state is fast, the driving voltage is low, and safety and reliability are achieved.

The invention relates to the technical field of air purification, in particular to an air purifying agent and a preparation method and application thereof. The air purifying agent comprises the following components in parts by weight: 2-15 parts of lauryl methacrylate, 2-5 parts of a plant extracting solution, 1-5 parts of an emulsifier, 5-15 parts of a solubilizer, 5-10 parts of a cosolvent and 50-95 parts of water. According to the preparation method, lauryl methacrylate and the plant extracting solution are compounded, and the air purifying agent which is stable in property and capable of efficiently removing benzene series, formaldehyde, ammonia gas, hydrogen sulfide and other peculiar smell molecules in the air is obtained under the action of the emulsifier, the solubilizer and the cosolvent.

The invention belongs to the field of high-molecule polymers, and discloses an acrylate-acrylamide type block polymer, a synthetic method and an application thereof. The acrylate-acrylamide type block polymer is prepared from lauryl methacrylate and N-(3-Dimethylaminopropyl)methacrylamide by an RAFT polymerization method. The synthetic method of the acrylate-acrylamide type block polymer comprises the following steps: under an anaerobic condition, preparing RAFT reagent macromolecules from a monomer lauryl methacrylate (or N-(3-dimethylaminopropyl)methacrylamide) under the action of an initiator and an RAFT reagent, reacting the RAFT reagent macromolecules and a monomer N-(3-dimethylaminopropyl)methacrylamide (or lauryl methacrylate) under the induction of the initiator to generate the acrylate-acrylamide type block polymer. The acrylate-acrylamide type block polymer has effects of covering and packaging surfaces of inorganic particles, a dispersion system is stable, and the acrylate-acrylamide type block polymer can be applied to dispersion of ceramic jetting ink.

The invention relates to a preparation method for a novel ionic liquid capillary monolithic column. Main technical points of the invention are as follows: ionic liquid chlorinated 1-vinyl-3-octylimidazolium and lauryl methacrylate are used as binary functional monomers, ethylene glycol dimethacrylate is used as a cross-linking agent, 1,4-butylene glycol and methanol are used as binary pore forming agents, and the novel capillary monolithic column is prepared by using in situ thermopolymerization technology. The preparation method provided by the invention has the advantages of low cost, a simple synthesis process and easily controllable reaction conditions; the prepared novel capillary monolithic column has high mechanical strength, is applicable to a buffer solution with a wide pH value scope of 2.0 to 12.0 and can be used for fractionation detection of a benzene series, thiourea and analogues thereof and amino acid on capillary electrochromatography.

The invention discloses a modified adsorbing material for phenol wastewater. The modified adsorbing material is characterized by comprising the following substances in parts by weight: 6-14 parts of acrylate, 5-9 parts of initiator, 14-26 parts of ethanol, 9-10 parts of ammonia water, 1-2 parts of gallic acid, 25-30 parts of lauryl methacrylate, 12-16 parts of methyl methacrylate, 14-19 parts of fibrous aquatic stone, 6-10 parts of compound adhesive, 25-31 parts of carpesium abrotanoides straw powder, 1-2 parts of maleic anhydride grafted polypropylene, 6-9 parts of polyethylene glycol terephthalate and 9-15 parts of calcium sulfate. The modified adsorbing material has the beneficial effects that the problem of poor biocompatibility of simple resin adsorbents is solved by preparing a porous spongy composite material by taking fiber base materials as carriers to bear polymer materials, and microorganisms can be loaded on the composite material to complete degradation of phenol.

The invention discloses benzene-free type high-gloss and high-solid-content acrylic resin and a preparation method thereof, and belongs to the technical field of paints. The benzene-free type high-gloss and high-solid-content acrylic resin is prepared from the following raw materials by mass: 8 percent to 15 percent of n-butanol, 10 percent to 17 percent of butyl acetate, 0.5 percent to 1 percent of mercaptopropionic acid, 8 percent to 15 percent of hydroxy-propyl acrylate, 5 percent to 15 percent of lauryl methacrylate, 15 percent to 50 percent of iso-bornyl acrylate, 5 percent to 10 percent of glycidyl methacrylate, 3 percent to 8 percent of butyl methacrylate and 2 percent to 3.5 percent of 2,2'-azobis(2-methylpropionitrile). By utilizing a ratio and a combination of the iso-bornyl acrylate and the lauryl methacrylate, the resin also has excellent flexibility and anti-impact capability under a high gloss condition even if no benzene exists; the polarity and viscosity of the resin are reduced and the solid content being 85 percent becomes possible.