893 results about "Trimethylolpropane triacrylate" patented technology

The invention discloses a UV-curable antimicrobial coating, the components of which are as follows: bisphenol A type epoxy acrylate EA; aliphatic PUA; special functional group acrylate PA; TPGDA; TMPTA; photoinitiators; nano acrylate; oxidized silver; and auxiliaries. The preparation method comprises the following steps of: step one, synthesizing special functional group heterocyclic compound PA and later adding phosphorus pentoxide to acrylic acid hydroxy esters so as to react with hydroxyl piperidine and then prepare special functional group heterocyclic compound PA; and step two, taking each component according to the formula, stirring and mixing each component so as to carry out dispersion at the speed of 900 to 1200r per min, then adding silver oxide and photoinitiators after being dispersed evenly, and finally obtaining UV-curable antimicrobial coating through dispersion. The UV-curable antimicrobial coating prepared by the invention has good anti-bacterial effect. As the self-prepared special functional group acrylate PA, the nano acrylate and the silver oxide are added, after UV-curable film-forming, the anti-coli rate can achieve over 99 percent and the anti-staphylococcal rate thereof achieves over 99 percent, and the effectiveness is long.

There is provided an electrophotographic photoconductor which contains at least a conductive substrate, a photoconductive layer comprising a charge generating material and charge transport material, and a surface layer disposed on the photoconductive layer, disposed in this order, wherein the surface layer is a cross-linked resin which contains at least trimethylolpropane triacrylate, a charge transport material having a heat-curable or radical-polymerizable functional group, a silicone compound having a radical-polymerizable functional group, a fluorinated surfactant having a radical-polymerizable functional group, and a silicone compound removing material having a radical-polymerizable functional group having a wettability of 55 mN/m or more to less than 65 mN/m with the silicone compound.

The present invention relates to the field of ink and a preparation process thereof, and particularly to a LED-UV surface light source light-curing silk-screen printing ink composition and a preparation method thereof. The composition is characterized by comprising 25-55% by weight of an LED-UV resin and 10-25% by weight of an LED-UV monomer, wherein the LED-UV resin is a mixture comprising one or a plurality of materials selected from an amine-modified epoxy acrylate resin, an amine-modified polyester acrylate resin, and an amine-modified polyether acrylate resin, and the LED-UV monomer is a mixture comprising one or a plurality of materials selected from a 2-(vinylethoxy)ethyl diacrylate monomer, a trimethylolpropane triacrylate monomer, and a dipentaerythritol hexaacrylate monomer. The LED-UV surface light source light-curing silk-screen printing ink composition of the present invention has advantages of rapid curing speed, good film coating property, high glossiness, environment protection, energy saving, and the like.manufacturing process

The invention discloses a UV-LED (ultraviolet-light emitting diode) photocureable coating and a preparation method thereof. The photocureable coating is characterized by consisting of the following components in percentage by mass: 20-30% of high-functionality fatty acid polyurethane acrylate oligomer 6197, 10-20% of two-functionality polyurethane acrylate 6071, 10-20% of TMPTA (trimethylolpropane triacrylate) serving as a three-functionality functional monomer and an active diluent, 0.1-0.3% of foam inhibitor TEGO920, 10-20% of NPGDA (neopentyl glycol diacrylate) serving as a two-functionality functional monomer and an active diluent, 10-20% of HEMA (hydroxyethyl methacrylate) serving as a single-functionality functional monomer and an active diluent, 0.2-0.5% of flatting agent BYK358N, and 5-10% of HABI-L (hexaarylbiimidazole-L) serving as a photo-initiator. The photocureable coating has the advantages of quick curing, energy conservation, environmental friendliness and the like, and the production efficiency of UV-LED photocuring is promoted.

The invention provides an ultraviolet light cured silk screen snowflake printing ink and a preparation method thereof. The ultraviolet light cured silk screen snowflake printing ink which has a viscosity of 1500-3000cps at the temperature of 25 DEG C is prepared by materials of 50-60 parts of ultraviolet light curable resins, 5-8 parts of photoinitiators, 0.5-1 part of defoamers, 0.5-1 part of flatting agents, 0.1-0.2 part of polymerization inhibitors, 9-13 parts of wax powders, 5-15 parts of trimethylolpropane triacrylate, 5-15 parts of 1, 6-hexanediol diacrylate and 7.3-12.4 parts of colored printing ink which are firstly subjected to a predispersion at a medium speed of 200rpm to 500rpm for 30 minutes in a disc mixer, and then subjected to a dispersion at a high speed of 3000rpm to 3500rpm for one hour. The ultraviolet light cured silk screen snowflake printing ink has the advantages that the appearance is unique, the decorative pattern is delicate, the weather resistance is good, the smell is mild, the printing ink is environment-friendly, printed products touch smooth, and the like.

Single domain wafer-scale colloidal crystals and macroporous polymers are formed by dispersing concentrated solutions of colloids, desirably mondisperse silica colloids, in a viscous monomer, desirably ethoxylated trimethylolpropane triacrylate, and spin-coating them onto a substrate. Subsequent photopolymerization produces three-dimensionally ordered colloidal crystals trapped inside a polymer matrix. Selective removal of the polymer matrix, such as by oxygen plasma treatment, or removal of the silica spheres, such as by wet etching, produces large-area colloidal crystals and macroporous polymers, respectively.

The invention relates to a method for radiation curing of a pure organic silicone coated fabric by using electron beams. The method comprises the following steps of: dispersing vinyl silicone oil, dimethyl silicone oil, hydrogen-containing silicone oil, a silane coupling agent, trimethylolpropane triacrylate, nanoscale silica, a flatting agent and a surface active agent in a vacuum kneading machine, mixing evenly to obtain a coating, finishing a fabric with certain humidity by a rubber blanket preshrinking machine, hot pressing the fabric through a hot pressing roller of a mirror glazing calendar to obtain base cloth, evenly coating the coating on the base cloth, and placing the base cloth on a transmission beam rack of a low-energy electron accelerator through a transmission roller for radiation curing to obtain the fabric. The fabric produced by the method is silky and soft in hand feel, waterproof, anti-seepage, and good in breathability and moisture permeability, and can be widely used in clothing, outdoor, fashionable fabrics and the like; the clothing does not have wrinkles, is easy to iron, and has stretching and recovering properties, and outdoor textiles can withstand the invasion of sun, wind and water; and the coating provided by the invention does not contain any solvent, and is environment-friendly, safe, non-toxic, pollution-free, simple in preparation technology, convenient in operation and construction, and low in energy consumption.

The invention discloses a high gloss high abrasion resistance ultra-violet (UV) curing overprinting varnish of mobile phone and a preparation method thereof. The method of the invention uses low-viscosity polyester acrylate and aliphatic polyurethane acrylate as base resin which combines with ethoxylated pentaerythritol tetraacrylate, Trimethylolpropane triacrylate, Tri(propylene glycol) diacrylate, 1,6-hexanediol diacrylate and 2-ethylhexyl acrylate which are used as active diluent, alcohol and ethyl acetate which are used as diluent, benzophenone and 1-hydroxycyclohexyl phenyl ketone which are used as photoinitiator, reactive amine coinitiator, defoaming agent, flatting agent, slip agent and other agents to mix evenly and prepare the UV overprinting varnish. The overprinting varnish of the invention adopts the special raw material formula and has good lustrousness, adhesive force and mechanical stability; as some polyfunctional resins and resins with special functional groups are added, the crosslink density of the UV varnish is increased in the curing process and the hardness of the product is up to 5-7H; and as solid wax powder used as the slip agent is added, the coefficients of friction can be reduced and the product can have extremely high wear resistance.

The invention provides a coating which is formed under the condition of photo-thermal dual-curing and is good in hardness and high in wear resistance. The coating is obtained by performing UV (ultraviolet) curing at first and then performing thermal curing on the following materials in percentage by weight: 30-60% of a low polymer with -OH, 15-36% of a monomer with -OH, 19-30% of a closed type polyisocyanate curing agent with -NCO, 2-5% of a photoinitiator and 0.2-0.8% of an auxiliary agent, wherein the low polymer with -OH is bisphenol A epoxy acrylate, polyacrylate or polyurethane acrylate, and the monomer is one, two or three types of ethyl metrhacrylate, tri(propylene glycol) diacrylate or trimethylolpropane triacrylate. The polyurethane polymer and the polyacrylate polymer in the coating provided by the invention are crosslinked by virtue of chemical bonds, and a formed single-molecule space structure is more compact in structure, and is obviously improved on hardness and wear resistance. The invention also provides a preparation method of the coating.

The invention discloses ultraviolet curing vacuum coating metal primer capable of achieving electrostatic spraying and a preparation method thereof.The ultraviolet curing vacuum coating metal primer capable of achieving electrostatic spraying is prepared from, by weight, 5-20 parts of urethane acrylate, 10-20 parts of epoxy acrylate, 0-5 parts of pure acrylate, 5-10 parts of polyesteracrylate, 30-40 parts of trimethylolpropane triacrylate, 10-20 parts of low-functionality active diluted monomers, 2-5 parts of photoinitiator, 0.05-0.1 part of a flatting agent, 0.05-0.5 part of adhesion promoter, 0.01-0.5 part of a conductive agent and 3-5 parts of electrostatic thinner.The ultraviolet curing vacuum coating metal primer prepared through the method can be used for electrostatic spraying, has the advantages of being good in coating performance, good in adhesion, high in salt fog resistance, high in production efficiency, high in paint utilization rate and the like, and has wide market prospects.

The invention provides a hydrolyzable UV (ultraviolet) protection ink, which is prepared by mixing the following components in parts by weight: 30-48 parts of modified organosilicon acrylic resin, 6-15 parts of modified epoxy acrylic resin, 5-12 parts of isobornyl acrylate, 10-15 parts of trimethylolpropane triacrylate, 5-12 parts of chlorinated rubber, 7-15 parts of grass green pigment, 2-5 parts of silane coupling agent, 0.1-0.5 part of defoaming agent, 0.5-1.0 part of leveling agent, 0.02-0.04 part of polymerization inhibitor, 5-15 parts of calcium carbonate and 2-8 parts of 369 photoinitiator. The UV protection ink provided by the invention is a hydrolyzable UV curing protection ink of which the curing time can be obviously shortened. In addition, after finishing processing touch screen cover plate glass or ITO glass, the protective film can be removed by soaking in alkaline water. The UV protection ink has the advantage of no residue, can be peeled easily, and thus, has wide application prospects.

The invention relates to a UV cured coating used for plastics, and purposes thereof. The composition of the coating by the weight percent is as follows: 25 to 50 of hexa-functional polyurethane acrylic acid resin, 10 to 20 of trifunctional polyurethane acrylic acid resin, 10 to 20 of acrylic acid resin, 10 to 20 of trimethylolpropane 3-acrylic ester, 2 to 5 of N-methyl diethano lamine, 2 to 5 of UV absorbent, 0.4 to 13 of assistant, and 10 to 30 of mixed solvent. When the coating is used, the components are evenly mixed by the proportion and spray coated on plastic work pieces, and then cured by a UV curing machine. The coating of the invention can be used for coating of ABS and PC plastics. The coating is characterized by high hardness, good wear resistance, hard object scratching resistance, high lustrousness, no pollution to the environment, etc.

An UV curing luminescent panel consists of a luminescent layer and a reflective layer. The luminescent layer with the thickness of 0.02-5.0mm consists of light-cured resin (10-40 percent of resins such as epoxy acrylic resin, polyurethane acrylic resin, polyester acrylic resin and the like), photosensitive diluent (photosensitive diluent is 10-20 percent of resins of ethoxylated acrylic ester, propoxylated neopentyl glycol diacrylate, TMPTA and the like), photoinitiator (2-10 percent of beans development kit BDK and the like), luminescent materials (10-65 percent) and additive (0-5 percent). The UV curing luminescent panel has the advantages of no solvent emission, saving energy due to instant drying of UV curing, high production efficiency due to on-line processing, and being applicable to base materials sensitive to heat; furthermore, the prepared luminescent panel is characterized by high brightness, long luminescent time, excellent acid and alkali resistance and weatherability, good printing performance, non-toxicity, no radiation and stable physicochemical performance.

The invention relates to an ink composition for ink-jet printing, which contains 10-35% by weight of at least one selected from polyurethane (methyl) acrylate oligomer and polyester acrylate oligomer, 5-20% by weight of adhesion promoting oligomer, 40-70% by weight of at least one selected form EOEOEA, THFA, IBOA, PHEA, HDDA, DPGDA, TPGDA, HEMA, TMPTA, EO3TMPTA, PO3TMPTA, EO4PETA and DPHA, 0.1-3% by weight of at least one selected from N-(beta-aminoethyl)-alpha-aminopropyltrimethoxysilane, methacrylate propyltrimethoxysilane, styrene chloro diamino silane and 3-glycidyl propyltrimethoxysilane and 2-6% by weight of paint. The ink composition is applicable to applying direct printing on an inorganic matter without being precoated, thereby simplifying the ultraviolet curing and spray printing process carried out on the surface of the inorganic matter, reducing the production cost and improving the production efficiency of inkjet printing.

The invention relates to a water-based UV paint, particularly a high-water-resistance quick-photocuring pearlescent water-based UV paint, and a preparation method and application method thereof. The paint is prepared from a water-based polyurethane acrylate resin, a water-based epoxy acrylic resin, a functional monomer, a photoinitiator, a leveling agent, an anti-settling agent, pearl powder and a solvent, wherein the functional monomer comprises at least one of dipentaerythritol hexaacrylate, pentaerythritol triacrylate and trimethylolpropane triacrylate. The number of the functional groups of the dipentaerythritol hexaacrylate, pentaerythritol triacrylate and trimethylolpropane triacrylate is 3 or above. The photocured paint film has the advantages of high crosslinking density, excellent hardness, excellent tensile strength and excellent mechanical properties. The water-based epoxy acrylic resin is introduced on the basis of the water-based polyurethane acrylic resin, thereby enhancing the water resistance of the paint film. By introducing the pearl powder and anti-settling agent, the paint film has gorgeous pearl effects.

The invention relates to trimethylolpropane triacrylate and a preparation method thereof. The formula of the trimethylolpropane triacrylate comprises the following raw materials in part by weight: solvent 20-50, trimethylolpropane 18-25, catalyst 4-8, 2,5-di-tert-butylhydroquinone 0.06 to 0.1 and acrylic acid 15-20. The preparation method comprises: placing the raw materials into a reaction kettle according to requirements of the formula and stirring the raw materials to perform reaction for 2 to 9 hours; starting a vacuum pump and raising the temperature in the reaction kettle till refluxingis generated and keeping refluxing for 1 to 3 hours; stopping raising the temperature when detecting the mass percentage of hydroxyl in reaction solution is 2 to 4 percent; adding caustic soda liquidinto the reaction kettle, controlling the pH value of the solution to be 7 to 8; standing the solution for delamination; leading waste water in the lower layer to a waste water treatment system; preferably adding polymerization inhibitor into the solution from which the waste water is removed; and distilling the solution at reduced pressure to remove methylbenzene and obtaining the product. Compared with the prior art, the method has the advantages of short reaction time, few by products, low reaction temperature and low production cost.

The invention provides a UV paint with resistance to yellowing, and its preparation method and construction process. The UV paint comprises, by weight, 5.0 to 15.0% of polyurethane acrylic acid oligomer, l0.0 to 20.0% of aliphatic polyurethane acrylate, 12.0 to 18.0% of trifunctional aliphatic polyurethane acrylate, 3.0 to 6.0% of thermoplastic acrylic resin, 3.0 to 6.0% of trimethylolpropane triacrylate, 2.0 to 4.0% of dipentaerythritol pentaacrylate, 2.0 to 3.0% of 1-hydroxycyclohexyl phenyl methanone, 0.1 to 0.3% of a photoinitiator, 15.0 to 22.0% of acetic ester, 2.5 to 3.0% of a leveling agent, 0.1 to 0.2% of an antifoaming agent, 5.0 to 10.0% of butyl acetate and 10.0 to 15.0% of toluene. The UV paint provided in the invention has excellent resistance to yellowing; the preparation method for the UV paint is simple and convenient; during construction, the paint can form into a film in 20 to 23 seconds under curing by UV radiation, being rapid and highly efficient in film forming; a substrate with the formed film has the characteristics of high strength, high hardness, high wear resistance, high gloss, high weatherability, high solvent resistance, etc., and is beautiful and durable in use, not easy to turn yellow.

The invention discloses a photo-curing thermoplastic fiber-reinforced epoxy composite material and a preparation method thereof. During preparing, trimethylolpropane triacrylate is taken as a diluent monomer to prepare an epoxy acrylate diluent; the epoxy acrylate diluent and a photoinitiator are mixed and heated into a liquid glue state to obtain liquid photosensitive resin; a piece of thermoplastic fiber-reinforced cloth is coated with the liquid photosensitive resin in a brushing manner, and a piece of prepreg cloth is prepared; and the prepreg cloth is paved on a forming mold and placed on UV(ultraviolet) curing forming equipment for curing forming, so that the thermoplastic fiber-reinforced epoxy composite material is obtained. The thermoplastic fiber-reinforced epoxy composite material can be used for manufacturing a novel electromobile body support frame. The novel photo-curing electromobile body support frame manufactured with the method is good in performance and environment-friendly, and has no harmful influence on a human body and surrounding environment, and simultaneously, the curing effect meets the national standard.

The invention discloses a high-fire-retardant ultraviolet curing coating. The high-fire-retardant ultraviolet curing coating comprises the following raw materials: urethane acrylate, epoxy acrylate, epoxidized soybean oil acrylate, phosphorus-containing acrylate, N-vinyl pyrrolidone, polyethylene glycol acrylate, tri(propylene glycol) diacrylate, pentaerythritol triacrylate, trimethylolpropane triacrylate, benzophenone, 2-methyl-2-hydroxyl-1-phenylacetone, coumarone, nano-silica, nano aluminum hydroxide, ammonium polyphosphate, silica powder, expanded graphite, a flattening agent, a defoaming agent, a wetting agent, a dispersant and a coupling agent. The high-fire-retardant ultraviolet curing coating disclosed by the invention is good in flame retardance property, high in adhesion force, excellent in comprehensive performance and long in service life.

The invention relates to the technical field of ultraviolet curing coatings, and particularly relates to an ultraviolet curing coating formula for eliminating formaldehyde in air and a preparation technology thereof. The coating consists of the following components in percentage by weight: 20-40% of urethane acrylate, 10-30% of 1,6 hexanediol diacrylate, 1-10% of trimethylolpropane triacrylate, 1-5% of 2-phenoxy ethyl acrylate, 1-5% of dispersing agent, 2-6% of superfine silicon dioxide, 1-4% of superfine aluminum oxide powder, 1-12% of matte powder, 1-4% of wax powder, 4-6% of 2-hydroxyl-2-methyl-1-phenyl-1-acetone, 0.1-2% of surface aid and 1-15% of formaldehyde removal aid. The preparation technology of the coating comprises the steps of sequentially feeding the raw materials and stirring for uniformly mixing. Through the formula and the technology provided by the invention, the prepared coating is applicable to the fast operation of a factory production line, and also has the protection functions such as good adhesion, scratch resistance and the like.

The invention provides polyether polyurethane-acrylate and a preparation method thereof. The polyether polyurethane-acrylate comprises the following compositions in portion by weight: 40 to 60 portions of polyether glycol, 10 to 30 portions of polyisocyanates, 10 to 30 portions of hydroxypropyl acrylate or hydroxy-ethyl acrylate, 0.1 to 0.5 portion of triethylamine or dibutyltin dilaurate, 5 to 10 portions of absolute ethanol, 0.1 to 0.8 portion of p-hydroxyanisole or 2.6- di-tert-butyl-4-methylphenol, 5 to 20 portions of tripropylene glycol diacrylate, 5 to 20 portions of TMPTA, and 0.01 to 0.02 portion of nitrobenzene. The invention has excellent mechanical abrasion resistance and toughness, high elongation at break, excellent chemical resistance and high temperature resistance when coating a film, has low temperature performance and good adhesive force. The polyether polyurethane-acrylate has better using effect when assembling epoxy acrylate, and is the polyurethane acrylate with lowest cost.

The invention provides an UV (Ultra Violet) film-pressed yellowing-resistant topcoat gloss paint, comprising the following components by weight percent: 35%-45% of functional monomer, 17%-23% of polyurethane acrylate, 26%-40% of epoxy acrylic resin, 0.2-0.3% of defoamer, 0.4%-0.6% of flatting agent and 5%-7% of photoinitiator. The functional monomer is a mixture of hydroxyethyl methacrylate, dipropylene glycol diacrylate, tripropylene glycol diacrylate and trimethylolpropane triacrylate. The UV film-pressed yellowing-resistant topcoat gloss paint provided by the invention is good in adhesive force, excellent in resistance to yellowing, low cost, simple and flexible to operate, high in drying speed, free of waste and high in production efficiency.