156 results about "2-HYDROXYETHYL ACRYLATE" patented technology

The invention discloses a preparation method of a waterborne polyurethane adhesive, comprising the following steps: evenly mixing vulcabond and polyglycols, adding in proper amount of catalyst, and reacting so as to obtain polyurethane prepolymer; reacting by adding in hydrophilic chain extender and crosslinking agent, adding 2-hydroxyethyl acrylate into the reaction system so as to obtain polyurethane, terminal group of which is double bond; reducing temperature, neutralizing and emusifying by adding in water under high-speed cutting so as to obtain polyurethane emulsion; and heating up, adding vinyl monomer into the emulsion, and polymerizing initiated by water-soluble initiator so as to obtain the modified waterborne polyurethane emulsion. The invention can completely eliminate the harmful effect to the application and the environment protection of the polyurethane emulsion product caused by small molecular emulsifier and organic solvent. The invention can make full use of combination property through the copolymerization modification between the polyurethane and polyacrylic ester.

The present invention provides functionalized particles and methods for delivering said particles capable of crossing a physiologic barrier and exerting an effect. In one embodiment, the present invention provides a method of delivering a particle to a mammal comprising the steps of contacting a functionalized particle with a tag and introducing the functionalized and tagged particle to a mammal, wherein the functionalized portion of the particle is selected from the group consisting of acrylic acid, 2-hydroxyethyl acrylate, 2-acrylamido-2-methyl-1-propanesulfonic acid, allylamine, carboxyl group, hydroxyl group, sulfonic group, aldehyde and amine group. The particle is a biodegradable or nodegradable polymer and less than 1.0 mm in diameter.

The present invention provides an artificial corneal implant having an optically clear central core and a porous, hydrophilic, biocompatible skirt peripheral to the central core. In one embodiment, the central core is made of an interpenetrating double network hydrogel and the skirt is made of poly(2-hydroxyethyl acrylate) (PHEA). In another embodiment, both the central core and the skirt are made of interpenetrating double network hydrogels. The artificial corneal implant may also have an interdiffusion zone in which the skirt component is interpenetrated with the core component, or vice versa. In a preferred embodiment, biomolecules are linked to the skirt, central core or both. These biomolecules may be any type of biomolecule, but are preferably biomolecules that support epithelial and/or fibroblast cell survival and growth. Preferably, the biomolecules are linked in a spatially selective manner. The present invention also provides a method of making an artificial corneal implant using photolithography.

The invention provides an integrated material wood-splicing adhesive, which is characterized in that the integrated material wood-splicing adhesive is prepared by the following components by weight portions: 100 weight portions of main agent and 13-17 weight portions of cross linking agent modified polyisocyanate, wherein the main agent is prepared by the following raw materials by weight: 3-5% of polyvinyl alcohol, 21.4-38.92% of vinyl acetate, 1-3% of crylic acid, 5-10% of butyl acrylate, 1-3% of methacrylic acid, 0.9-1.1% of 2-hydroxyethyl acrylate, 1-2% of emulsifier OP-10, 1-2% of sodium dodecyl sulfate, 0.08-0.2% of ammonium persulfate, 0.1-0.3% of pH regulator and 48-52% of deionized water. The integrated material wood-splicing adhesive has the advantages of high adhesion strength, good water resistance, and no organic solvent and formaldehyde.

The invention relates to vegetable oil based polyurethane acrylic ester, belonging to the field of photosensitive polymer material. The vegetable oil based polyurethane acrylic ester is characterized in that the general chemical formula is Formula I, wherein R1, R2 and R3 are respectively chosen from alkane of C1-C18, at least one of the alkane is chosen from Formula II, R4 and R5 are respectively chosen from alkane of C1-C16, R6 is diphenyl methane-4,4'-diisocyanate, or hexamethylene diisocyanate, or isophorone diisocyanate or residue of 2,4-toluene diisocyanate with two isocyanate functional group removed, and R7 is 2-hydroxyethyl acrylate, or hydroxypropyl acrylate, or residue of pentaerythritol triacrylate with hydroxy functional group removed.

The invention discloses a water-based polyurethane composite emulsion and a preparation method thereof. The preparation method is characterized by comprising the following steps: by using acetone or butanone and acrylic monomer as solvents, polymerizing diisocyanate (HDI), isophorone diisocyanate (IPDI), mixed polyester polyalcohol, dihydroxymethylpropionic acid, 1,4-butanediol, trimethylolpropane monoene propyl ether, 2-hydroxypropyl acrylate and 2-hydroxyethyl acrylate to obtain carboxylic polyurethane; neutralizing with tertiary amine, and removing the solvents to obtain a self-emulsified double-bond-containing water-based polyurethane anionic emulsion; and by using the emulsion as a seed, adding acrylate monomer and a right amount interpenetrating-network crosslinking agent monomer to carry out pre-emulsification, and carrying out seed emulsion polymerization to obtain the composite emulsion in an interpenetrating network structure. The invention has the advantages of energy saving, environmental protection, high early bonding force, safe and reliable technique and stable product quality.

The invention discloses a urethane acrylate low polymer and a preparation method and an application thereof. The urethane acrylate low polymer is prepared through the reaction of monofunctional alkylphenol ethoxylates and diisocyanate and the end capping by using 2-hydroxyethyl acrylate. The preparation method comprises step of: dropwise adding diisocyanate into the monofunctional alkylphenol ethoxylates at 40-60 DEG C to react on a heat insulating condition, thus obtaining a semi-addition product; and cooling the semi-addition product to 30-40 DEG C, dropwise adding a uniform mixture of hydroxyalkyl acrylate or methyl hydroxyalkyl acrylate and a polymerization inhibitor into a reactant, reacting for 15-30 minutes on a heat insulating condition, dropwise adding a catalyst and continuously reacting for 40-60 minutes, then heating to 50-60 DEG C and keeping the reaction, thus obtaining the urethane acrylate low polymer. Long soft segments are introduced into a molecular structure and have monofunctional degrees, and molecular chains can freely rotate, so that resin can have excellent softness and extremely low viscosity; and moreover, the structure contains benzene rings, so that molecules do not lose rigidity.

The invention discloses a high-solid-content high-gloss quick-drying water-soluble hydroxy acrylic resin and a preparation method thereof. The monomers in the monomer-phase solution B is composed of 0-35 wt% of methyl methacrylate, 20-50 wt% of styrene or toluene isoborneol acrylate and toluene cyclohexyl acrylate; 5-15 wt% of methyl acrylate or butyl acrylate or methyl acrylate and butyl acrylate mixture, 5-15 wt% of functional monomer, 15-20 wt% of 2-hydroxyethyl acrylate or 2-hydroxypropyl acrylate, 8-15 wt% of acrylic acid or methacrylic acid and 1-2 wt% of chain-transfer agent. The invention aims to provide a high-solid-content high-gloss quick-drying water-soluble hydroxy acrylic resin, thereby solving the problem of high pollution in the traditional solvent-type hydroxy acrylic resin and the problem that a great amount of organic solvent is needed for dilution when the paint prepared from high-solid-content hydroxy polyacrylate is sprayed, and overcoming the defects of insufficient gloss and fullness and poor drying property in the water-based hydroxy acrylic resin. The invention also discloses a preparation method of the water-soluble hydroxy acrylic resin.

The present invention provides a heat resistance peeling mild adhesive pressure sensitive adhesive film for electronic manufacturing industry or package industry, and its manufacturing method, 2-ethylhexyl acrylate, methacrylic acid 2-ethylhexyl acrylate, butyl acrylate, methyl methacrylate and 2-hydroxyethyl acrylate copolymer liquid cement are prepared by solution polymerization process, then a coating composition is prepared by adding a toluene diisocyanate crosslinking agent, the mild adhesive pressure sensitive adhesive film is obtained by coating and drying, the peeling strength of the mild adhesive pressure sensitive adhesive film, the polyimide film and the pet film is above 300g/25mm, the peeling strength after ageing 1 hour also keeps above 37g/25mm, the any residual does not retain after peeling, the mild adhesive pressure sensitive adhesive film has mild adhesive ability under the high temperature 180 DEG C, 90 DEG C and the acid-base environment, having a convenient operation, being directly peeled.

The invention relates to an antifouling paint, particularly a biologically-bactericidal acrylic resin and a novel marine antifouling paint composition prepared from the resin. The biologically-bactericidal acrylic resin is prepared from the following raw materials in percentage by mass: 0.35-0.45% of azodiisobutyronitrile, 0.38-0.48% of azodiisovaleronitrile, 0.49-1.2% of dodecamercaptan, 47-50% of butyl acetate, 2.3-3.6% of 2-hydroxyethyl acrylate, 9-10% of trichlorophenyl acrylate, 24-28% of butyl acrylate and 10-13% of isoborneol acrylate. The formula system is free of copper or tin, and thus, is a novel environment-friendly biologically-bactericidal antifouling paint.

The invention discloses a water-based dry-type complex film adhesive and a preparation method thereof, belonging to the field of preparation of adhesive. The preparation method of the complex film adhesive comprises the following steps: by using monomers, an emulsifier, an initiator, a buffering agent, deionized water, a pH regulator and water-based assistants as raw materials, emulsifying, carrying out seed reaction and polymerization reaction, and compounding to obtain the complex film adhesive of which the solid content is 45-55%, wherein the monomers comprise a hard monomer, soft monomers and functional monomers; the hard monomer is styrene; the soft monomers comprise butyl acrylate and 2-ethylhexyl acrylate; the functional monomers comprise acrylic acid or methacrylic acid, 2-hydroxyethyl acrylate or 2-hydroxypropyl acrylate, and diallyl phthalate; and the emulsifier comprises ammonium alkyl ether sulfate, sodium sulfosuccinate and sodium allyloxysulfonate in a weight ratio of 2:1:(0.4-0.8). The complex film adhesive has the advantages of high bonding strength, favorable affinity and covering performance for ink, and environment protection since the content of VOCs (volatile organic compounds) is lowered.

The invention provides a hydrophobic masking tape and a preparation method thereof. The hydrophobic masking tape comprises a masking tape layer and an adhesive layer which is coated on the surface of the masking tape layer, wherein the adhesive formula of the adhesive layer comprises the following components in parts by weight: 200-300 parts of butyl acrylate, 100-200 parts of 2-ethylhexyl acrylate, 2-10 parts of acrylic acid, 2-10 parts of 2-hydroxyethyl acrylate, 30-60 parts of styrene-acrylic emulsion, 5-10 parts of sodium benzene sulfonate, 300-500 parts of water, 2-7 parts of ammonium persulfate and 0.1-0.5 part of sodium bicarbonate. A hydrophobic adhesive is adopted in a preparation process to remove the conventional organic solvent, and the masking tape is subjected to ultraviolet pretreatment, so that the produced masking tape is pollution-free and environment-friendly and has an outdoor use function.

The present invention provides an ink for a color filter comprising a polymer binder, a crosslinking monomer, a solvent, a pigment, and a polymerization initiator. The polymer binder comprises acrylate or methacrylate including a hydroxy group. The polymer binder may comprise 2-hydroxyethyl acrylate or 2-hydroxyethyl methacrylate.

The invention provides a polyether carboxylic acid water reducer and a preparation method thereof. The water reducer is prepared from the following components: polypropylene alcohol ether, maleic anhydride, sodium methylallyl sulfonate, acrylamide, 2-hydroxyethyl acrylate, initiator and water.

The invention provides a high-efficiency ceramic water reducing agent and a preparation method thereof. The high-efficiency ceramic water reducing agent comprises the following components by weight percent: 35 to 60 polyoxyalkylene, 0 to 10 methacrylic acid or maleic anhydride, 0 to 20 methacrylic acid, 0 to 10 sodium allyl sulfonate, 0 to 20 2-hydroxyethyl acrylate, 1.0 to 3.0 potassium persulfate, 0.5 to 1.0 hydroquinone and 1.0 to 2.0 p-toluenesulfonic acid, and the weight percent of the components is not zero. The high-efficiency ceramic water reducing agent can greatly reduce the water content of slurry after being added into ceramic pulp and satisfies fluidity needed by ceramic production. The high-efficiency ceramic water reducing agent is added into a glaze material, the glaze material has good fluidity and proper viscocity under a lower water-content condition, greatly reduces a glaze cutting phenomenon, and the like and increases product quality. The high-efficiency ceramic water reducing agent has good universality and can be suitable for various clay mineral materials.

The invention discloses a method for preparing a degradable organic-inorganic nanometer hybrid material containing POSS (Polyhedral Oligomeric Silsesquioxanes), comprising the following steps of: (1) firstly, preparing a difunctional POSS derivative (II) by carrying out the addition reaction of amino POSS (I) and 2-hydroxyethyl acrylate through Michael; and (2) secondly, forming an etherified product by carrying out the esterification reaction of aromatic dibasic acid and aliphatic dihydric alcohol and preparing the degradable organic-inorganic nanometer hybrid material containing the difunctional POSS through the melt polycondensation reaction of the difunctional POSS derivative (II) and aliphatic chydroxy oligomer with the etherified product. The preparation method has the advantages of uniform dispersion and difficult agglomeration of POSS in the hybrid material during preparation, effective improvement on the performances of degradable copolyester composite material, simple operation and high yield.

Provided is a pressure-sensitive adhesive composition for optical members which is protected from whitening under high -temperature and high-humidity conditions and which can ensure high reliability. Also provided is a pressure-sensitive adhesive tape for optical members, which is produced using the pressure-sensitive adhesive composition. The pressure -sensitive adhesive composition for optical members comprises an acrylic copolymer obtained by polymerizing a mixed monomer which contains 1 to 25wt% of 2-hydroxyethyl acrylate, 1 to 25wt% of N-vinylpyrrolidone, 0.5 to 30wt% of a monomer having a structure represented by general formula (1-1), or 0.1 to 30wt% of a monomer having a structure represented by general formula (1-2). In general formula (1-1), R1 is hydrogen or methyl; R2 is hydrogen or alkyl having less than 3 carbon atoms; and n is an integer of 8 to 45. In general formula (1-2), R3 is hydrogen or methyl; R4 is alkyl having 3 to 30 carbon atoms; and m is an integer of 8 to 45.

The invention relates to a preparation method of a water-based nitrocellulose emulsion and a nitrocellulose film. The preparation method comprises the following steps: adding 2-hydroxyethyl acrylate, acrylic acid, butanone and azodiisobutyronitrile into a reactor, and carrying out free-radical polymerization reaction at 50-90 DEG C for 2-3 hours; after the reaction finishes, adding dibutyltin dilaurate and isophorone diisocyanate in a nitrogen protective atmosphere, carrying out thermostatic reaction at 25-65 DEG C for 1-2 hours, heating to 70-95 DEG C, adding a nitrocellulose butanone solution, and keeping the temperature to react for 2-3 hours; and cooling, regulating the pH value of the obtained reaction system to 8-9, adding deionized water, and dispersing uniformly to obtain the water-based nitrocellulose emulsion. The water-based nitrocellulose emulsion prepared by the preparation method is subjected to running film formation to obtain the nitrocellulose film. The water-based nitrocellulose emulsion has the advantages of favorable water dispersibility, favorable storage stability, high film flexibility, high adhesive force, high water resistance and high yellowing resistance.

The invention discloses a formaldehyde-free color-fixing agent and a preparation method of the color-fixing agent. The formaldehyde-free color-fixing agent comprises the following raw materials in parts by weight: 90-110 parts of dimethyl diallyl ammonium chloride, 12-20 parts of acrylamide, 6-10 parts of 2-hydroxyethyl acrylate, 1.6-2.3 parts of peroxysulphate, 0.45-0.85 part of hydrosulphite, 0.10-0.18 parts of a heavy metal ion capture agent, 0.8-3 parts of nano silicon carbide, 0.2-1 part of a siloxane coupling agent and the balance of water. A siloxane coupling agent is used for carrying out surface modification on the nano silicon carbide to obtain the modified nano disilicon; the abrasion resistance and the mechanical property of the color-fixing agent can be remarkably improved; dimethyl diallyl ammonium chloride is used as a main monomer and is used for carrying out solution copolymerization together with water-soluble acrylamide and 2-hydroxyethyl acrylate to prepare a cationic quaternary ammonium salt polymer, so that the prepared color-fixing agent is environmentally friendly, safe and strong in color-fixing effect.

The invention discloses a method for preparing a photosensitive ceramic precursor for manufacturing ceramic products by an additive manufacturing technology; the method comprises the following steps:carrying out hydrolysis reaction of (chloromethyl)methyldichlorosilane with dichloromethylvinylsilane to obtain linear polysiloxane, then carrying out end-capping reaction of dimethylvinylchlorosilanewith linear polysiloxane, and carrying out reaction of the end-capped polysiloxane with 2-hydroxyethyl acrylate and triethylamine to obtain the photosensitive ceramic precursor. The UV-curable polysiloxane ceramic precursor is prepared, and the obtained photosensitive ceramic precursor can achieve 80% of double-bond conversion rate when being irradiated by ultraviolet light for 30 s and 90% of double-bond conversion rate when being irradiated by ultraviolet light for 40 s with the addition of a suitable initiator. The photosensitive ceramic precursor has quite high-efficiency photocuring performance. With the photosensitive ceramic precursor as the raw material, the stereolithography technology is used for additive manufacturing, and the cured product with regular appearance is obtained and has bright and clean appearance and high strength.

Rubber used for solid tyres and a preparing method thereof are disclosed. The rubber includes natural rubber, butadiene-acrylonitrile rubber, polybutadiene, 2-hydroxyethyl acrylate, graphene, nanometer titanium dioxide, stearic acid, an antioxidant, a vulcanizing agent, a coupling agent and a filler. The method includes adding polymer into an internal mixer, plastifying the polymer, then adding the graphene, the 2-hydroxyethyl acrylate and the silane coupling agent, blending the mixture, then adding the rest components in order, and discharging the rubber after blending is finished to obtain the rubber used for solid tyres. The rubber has good shaping effects, and has good using properties such as wear resistance, corrosion resistance and weatherability. The rubber is used for preparing the solid tyres and provides a guarantee for automobile using safety.