16 results about "TMPTA" patented technology

The invention relates to the technical field of high polymer materials, in particular to an EVA / nano-zinc oxide anti-ultraviolet car cover and a preparation method thereof. The invention aims to solve the problem that the mechanical strength and the ultraviolet resistance of the existing car cover are difficult to consider at the same time. Ethylene-vinyl acetate resin is used as a matrix, a silane coupling agent and hydroxyethyl methylacrylate surface modified and grafted composite nano-zinc oxide, maleic anhydride grafted EVA and a polyurethane modifier are subjected to melt blending, a TMPTA cross-linking agent is added, and the vehicle cover film is prepared through extrusion casting and ultraviolet curing. Wherein the polyurethane modifier is obtained by reacting polycaprolactone polyol with isophorone diisocyanate and adopting hydroxyethyl methylacrylate and 2, 2 '-methylenebis (6-tert-butyl-4-methylphenol) for end capping. The uvioresistant car cover prepared by the invention has excellent tensile strength, elongation at break, uvioresistant performance and adhesive force at the same time.

The invention relates to a preparation method of novel anti-counterfeiting directly-plated paper, belongs to the technical field of packaging materials, and is realized by mainly depending on the interaction of a prime coating and a printing coating. According to the key point of the technical scheme, the coating comprises the following components in parts by weight: a primer coating comprises the following components in percentage by weight: 20-22% of epoxy acrylic resin; 28 to 30% of TPGDA (Thermoplastic Glycol 20%-21% of TMPTA (trimethylolpropane 28.5%-29.5% of HDDA (High Density And 0.5 to 1% of BYK333. The printing coating comprises the following components in percentage by weight: 20-24% of pure acrylic resin; 5% of epoxy acrylic acid; 35.8% to 39.8% of TPGDA (Thermoplastic 20%-22% of TMPTA (Trimethoprim Poly 13 to 15% of HDDA (Hexamethylene Diamine Diamine And 0.2%-0.5% of BYK333. The invention aims to provide the coating for prime coat and the coating for printing, which are used for producing a high-quality positioning anti-counterfeiting product, a high-brightness effect and a matte effect of a mirror surface are formed on the same printed matter through a cohesion reaction between the prime coat layer and the printing layer, high contrast of local images and texts is visually realized, and the anti-counterfeiting effect of the printed matter is improved. And the three-dimensional convex feeling and the cold ironing effect are achieved at the same time, the double requirements for counterfeiting prevention and attractiveness are met, and the requirements of the novel high-end packaging industry and the decorative material market are met.

The invention discloses a highly wear-resistant photocureable coating and a preparation method thereof, and relates to the technical field of photocureable coatings, the highly wear-resistant photocureable coating comprises the following components by mass: 25-40 parts of modified epoxy acrylate resin; 15 to 25 parts of polyurethane acrylate resin; 18-30 parts of a composite wear-resistant filler; 15 to 25 parts of a reactive diluent; 3-6 parts of a photoinitiator; 1-3 parts of a dispersant; 0.5 to 1.5 parts of a defoaming agent; 0.3-1 part of a leveling agent; the reactive diluent is a mixed diluent composed of trimethylolpropane triacrylate (TMPTA) and hexanediol diacrylate (HDDA) according to a mass ratio of 3: 2. According to the invention, a three-dimensional wear-resistant structure of a high-hardness substrate, a rigid wear-resistant framework and a low-friction surface is formed through a collaborative design of resin-filler-process, so that physical damage of external friction is resisted, energy loss in a wear process is reduced, and finally, long-acting high wear resistance of a coating film is realized.

The invention relates to a high-viscosity organic silicon emulsifier as well as a preparation method and application thereof, and relates to the technical field of organic silicon chemicals. A preparation method of a high-viscosity organosilicon emulsifier comprises the following steps: S1, hydrosilylation reaction: stirring and mixing low-hydrogen silicone oil, allyl polyether and a platinum catalyst, heating to a preset temperature, and fully reacting until the detected viscosity is 5000-10000 CP to obtain an intermediate product; wherein the ratio of the mole number of silicon-hydrogen bonds in the low-hydrogen silicone oil to the mole number of allyl double bonds in the allyl polyether is 1: (0.5-0.8); s2, cross-linking reaction: adding TMPTA / AMA or TMPME into the intermediate product, maintaining the preset temperature, stirring and mixing until the detected viscosity reaches 15000 CP or above, and cooling to obtain the organic silicon emulsifier. The organic silicon emulsifier can efficiently emulsify high-viscosity polysiloxane and can form a stable emulsion.

The BNNTs reinforced ceramic slurry comprises ceramic powder, a monomer / cross-linking agent combination, a ceramic powder surface modifier, boron nitride nanotubes, a dispersing agent, a sintering aid, a photoinitiator and a light absorbing agent, the ceramic powder is aluminum oxide, and the particle size D50 of the ceramic powder is 0.02-1 [mu] m; the diameter range of the boron nitride nanotube is 10 to 100 nm; the monomer / cross-linking agent is acrylic acid, the ceramic powder surface modifier is a KH series, and the dispersing agent is a DisperBYK series; the sintering aid is Y2O3, the photoinitiator is Irgaure819, and the light absorbing agent is Tinuvin 171; the ceramic forming method based on the reinforced ceramic slurry comprises five steps. The slurry prepared by the invention can effectively offset high viscosity brought by TMPTA and ceramic powder, improves material dispersibility, reduces viscosity, enhances mechanical strength of a cured green body, ensures long-term storage stability of the slurry and Z-axis resolution of printing equipment, reduces friction force and agglomeration among ceramic powder particles, and improves the quality of the ceramic powder. And the mechanical property of the finished ceramic can be improved.

The invention discloses a digital printing material capable of emitting light under external pressure and a preparation method thereof, and relates to the field of digital printing materials. Comprising a protective layer which is a transparent PET or PE film or a transparent UV curing coating; the stress luminescent layer is composed of a UV curing resin matrix, a stress luminescent material, a nano reinforcing agent, a photoinitiator, a silane coupling agent and a TMPTA monomer; the adhesive force promoting layer is acrylic acid type glue; the PET substrate layer is a PET film, and the stress luminescent layer comprises the following components in parts by mass: 60-80 parts of a UV curing resin matrix, 10-30 parts of a stress luminescent material, 5-10 parts of a nano reinforcing agent, 2-5 parts of a photoinitiator, 0.5-1.5 parts of a silane coupling agent and 3-8 parts of a TMPTA monomer. The invention has the advantages of low luminescence delay, low luminous decay, high temperature and high humidity resistance and low cost.

The application discloses a kind of radiation curing coating, the radiation curing coating is modified urethane acrylate;1,6-hexanediol diacrylate 10-20 parts, active diluent 15-20 parts, silane coupling agent KH570 1-3 parts, benzophenone photoinitiator 1-3 parts, carbon black 1-3 parts, polyethylene glycol (molecular weight less than 2500) 1-3 parts are added to urethane acrylate environmentally-friendly preparation method product, 3 (ethoxy) trimethylolpropane tri (methyl) acrylate EO-TMPTA, 2EO-TMPTA, 3EO TMPTA are stirred and uniformly mixed, finally UV ultraviolet irradiation is cured, light radiation energy 2000-3000 mJ / cm2, modified urethane acrylate can be obtained.The radiation curing coating of the application can realize UV curing and electron beam curing, the urethane acrylate prepared by the environmentally-friendly preparation method is used as the base material, cooperates with 1,6-hexanediol diacrylate raw material, and is cooperated with graphene adjusted nanosilica agent and magnesium oxide modifier, and is synergistic.

The present invention discloses a hydrogen-bonded photopolymerized organosilicon self-healing antibacterial coating and a construction method, which relates to the technical field of antibacterial coatings. The technical points are as follows: first, an isocyanate-terminated polydimethylsiloxane is synthesized, and urea hydrogen bonds are introduced into the structure. Then, an acryloyloxy-terminated polydimethylsiloxane with photocuring activity is synthesized by further reaction of the isocyanate group and the hydroxyl group, and hydrogen bonds and acryloyloxy groups are introduced into the organosilicon structure. Trimethylolpropane triacrylate (TMPTA) is used as a cross-linking agent, and an acryloyloxy free radical polymerization reaction is initiated under the action of ultraviolet light based on a free radical polymerization mechanism to form a covalently cross-linked network structure. By utilizing the interaction of cross-linked hydrogen bonds, the system is endowed with the ability to heal; and by controlling the photocuring reaction conditions, polymerization degree and cross-linking agent content, the mechanical properties and self-healing properties of the material are regulated and optimized, and the antibacterial properties of the coating are explored.

The invention discloses unsupported transparent glass ink for direct writing type 3D printing and a preparation method thereof.The unsupported transparent glass ink is composed of silicon dioxide powder evenly dispersed in a mixed resin system, and the mixed resin system comprises HDDA, TMPTA and a photoinitiator; the prepared support-free transparent glass ink can be used for printing a high-precision and support-free structure under UV photocuring, a printing sample with excellent mechanical properties and high-precision customization can be obtained through subsequent heat treatment, and a new path is opened up for application in the high-end fields of free support-free printing, compact micro-channels, high-temperature electronic devices and the like.

The invention relates to the technical field of polymer composite materials, in particular to a high-temperature-resistant vacuum bag butyl rubber sealing tape, a preparation method and application. According to the invention, butyl / halogenated butyl is taken as a base adhesive, and is matched with PIB-liquid butyl-operating oil for plasticizing, active / heavy calcium carbonate and coupling modified nano-sheet filler, SP-1055 alkyl phenolic aldehyde and C5 hydrogenated resin (in a ratio of (0.6-1.4): 1), ZnO / MgO dual-activation (in a ratio of 0.15-0.50), and short fibers and TAIC / TMPTA (triallyl isocyanurate / trimethylolpropane triacrylate) can be selected. The material is prepared through banburying-low shear extrusion. The vacuum degree of the adhesive tape is reduced by less than or equal to 25% when the adhesive tape is cured at 240-260 DEG C, the adhesive tape is cleaned and stripped after being cured, the cold flow is low, and the highest use temperature reaches 260 DEG C.

This invention relates to the field of UV anti-adhesion film preparation technology, specifically to a UV anti-adhesion film for UTG processing with dual crosslinking control and its preparation method. It consists of a modified PO base film and a composite adhesive layer. The modified PO base film is a polyethylene-polypropylene blend modified polyolefin film. The composite adhesive layer contains a fluorinated modified polyurethane acrylate prepolymer, a multifunctional UV monomer, a composite photoinitiator, and a dual interface modifier. The mass percentages of each component are 38-45%, 42-48%, 3-5%, and 2-4%, respectively. The multifunctional UV monomer is a mixture of TMPTA and HDDA at a mass ratio of 1:1.2. This invention optimizes the adhesive layer formulation and base film pretreatment process, improving etch resistance and interfacial compatibility, achieving precise matching of peel force before and after UV treatment, resulting in a product with low thermal shrinkage, minimal adhesive residue, and reduced glass damage. It significantly improves the yield of UTG thinning and is suitable for large-scale processing of flexible electronics.

This invention relates to the field of thermosensitive protective varnish technology, and discloses a UV-LED curable thermosensitive protective varnish and its coating method, comprising 40-70% photocurable resin, 15-45% reactive diluent, 2-6% UV-LED matched photoinitiator system, 0.1-3% additives, and 0.1-3% inert viscosity reducer. The photocurable resin is composed of the following materials: 30-60% flexible modified epoxy acrylate, 20-40% hyperbranched acrylic resin, and 20-40% silicone modified resin. This invention overcomes the contradiction that high hardness in traditional varnishes inevitably leads to high shrinkage. By introducing hyperbranched acrylic resin to reduce the viscosity of the system and strictly limiting the amount of trifunctional monomers (such as TMPTA) to below 10%, combined with the balancing effect of difunctional TPGDA, the curing shrinkage rate is controlled within 3-5%. Combined with the volume expansion characteristics of the cationic hybrid system, the internal stress of the coating is greatly reduced, so that the protective film maintains excellent adhesion when the thermosensitive substrate is repeatedly bent, without cracking or peeling.

The invention discloses a production method for reducing TMPTA residues in an EO3TMPTA product, which comprises the following steps: taking modified hydrotalcite as a catalyst, reacting trimethylolpropane with ethylene oxide in a nitrogen atmosphere, and after the reaction is finished, filtering and separating out the modified hydrotalcite to obtain EO3TMP; the modified hydrotalcite is prepared by the following steps: soaking hydrotalcite with a KOH aqueous solution, granulating with aluminum silicate, and roasting at 800-850 DEG C; under the action of a catalyst, EO3TMP and acrylic acid are subjected to an esterification reaction, and EO3TMPTA is obtained. The modified hydrotalcite can catalyze the reaction of trimethylolpropane and ethylene oxide at a low temperature to prepare EO3TMP, the catalytic activity is higher, the reaction selectivity is higher, the reaction period is shortened, the residual amount of TMP in EO3TMP is smaller than 1%, and it is ensured that the residual amount of TMPTA in an EO3TMPTA product is reduced to 1t; 1%.

This invention discloses a formulation, preparation method, and application method of an environmentally friendly solvent-free UV battery box coating that can replace blue film, belonging to the field of UV curable coatings and new energy battery protection technology. The coating is a 100% solids-containing solvent-free system, and its formulation includes: polyurethane acrylate, silicone-modified acrylate; TMPTA, IBOA, DMAA; TPO / L-TPO type acylphosphine oxide, phenyl bis(2,4,6-trimethylbenzoyl)phosphine oxide, methyl benzoylformate; titanium dioxide, phthalocyanine blue, fumed silica; adhesion promoter, leveling agent, and silane coupling agent. This coating has zero VOC, insulation withstand voltage ≥DC6000V / 60s, adhesion grade 0, no abnormalities after 72h electrolyte resistance, and UL94V0 flame retardancy. It can be applied in various ways, replacing PET blue film and pressure-sensitive adhesive processes, meeting the insulation protection and green manufacturing requirements of high-voltage platform power batteries.

The invention belongs to the field of hot melt adhesives, and particularly relates to a hot melt adhesive as well as a preparation method and application thereof. The hot melt adhesive disclosed by the invention is an A-B double-component reactive polyolefin hot melt adhesive, the A component contains amorphous-alpha-polyolefin copolymer (APAO) with three different softening points and maleic anhydride grafted resin, and the B component comprises two acrylate monomers, namely TMPTMA and TMPTA, so that the hot melt adhesive has better adhesive property, and the hot melt adhesive has the advantages of high temperature resistance, high heat resistance, high heat resistance and the like. Various materials such as PP (polypropylene), ABS (acrylonitrile butadiene styrene), PC (polycarbonate), PVC (polyvinyl chloride), paint, textile fabrics, non-woven fabrics and the like can be adhered, and the application range to base materials is wide; meanwhile, the hot melt adhesive is good in high and low temperature resistance and long in opening time, and long construction time is provided under the condition that the requirement for heat resistance is met; in addition, the hot melt adhesive disclosed by the invention is low in viscosity, relatively appropriate in softening point and more convenient to construct.

The present application relates to an anti-oxidation LED-UV spray varnish and a preparation method thereof, the anti-oxidation LED-UV spray varnish comprises polishing anti-oxidation agent 8-10 parts, 2 official polyester acrylate copolymer 30-40 parts, amino acrylate polymer 8-10 parts, TMPTA monomer 8-10 parts, HDDA monomer 3-5 parts, photoinitiator 3-8 parts and hyperbranched polyurethane acrylate 6-10 parts by weight; the polishing anti-oxidation agent comprises TPGDA monomer 30-50 parts, zinc stearate 20-30 parts, micronized polyethylene wax 20-40 parts; the particle size of the zinc stearate is 1-50 microns, and the particle size of the micronized polyethylene wax is 1-100 microns. The present application introduces hyperbranched polyurethane acrylate polymer, which can improve the curing speed of the main body and prevent cracking caused by thick coating of the paint film; the self-made polishing anti-oxidation agent can solve the problem of incomplete drying of the paint film surface caused by oxidation reaction and prevent the problem of polishing difficulty caused by excessive surface drying.