53 results about "Hexanediol diacrylate" patented technology

The invention discloses a UV-cured high-weather-resistance optical thin film and a preparation method thereof, and relates to the technical field of optical thin films. The optical film is prepared by taking polyethylene glycol terephthalate as a base material and coating the base material with a UV curing coating, and the UV curing coating comprises the following raw materials in parts by weight: 15-20 parts of aliphatic polyurethane acrylate, 5-8 parts of perfluorobutyl ethyl acrylate, 8-12 parts of hydroxyethyl acrylate, 6-10 parts of 1, 2, 4-trimethyl-1, 3-pentanediol monoisobutyrate, 1-3 parts of 1, 2, 4-trimethyl-1, 3-pentanediol monoisobutyrate, 1-3 parts of 1, 2, 4-trimethyl-1, the invention relates to a UV (ultraviolet)-resistant coating which is prepared from the following raw materials in parts by weight: 1-2 parts of 2, 6-hexanediol diacrylate, 5-8 parts of trimethylolpropane triacrylate, 30-40 parts of modified epoxy acrylate, 1-2 parts of a silane coupling agent KH-570, 2-3 parts of a photoinitiator 1173, 0.5-1.2 parts of a modified ultraviolet absorbent UV-327, 0.8-1.5 parts of a hindered amine light stabilizer 540, 0.3-0.8 part of an antioxidant 1010, 0.09-0.12 part of an ultraviolet absorbent Tinuvin400 and 0.2-0.5 part of polyether modified polydimethylsiloxane. According to the UV-cured high-weather-resistance optical thin film, polyethylene glycol terephthalate is used as a base material, key raw materials such as a UV-cured coating with a scientific formula, modified epoxy acrylate and the like are finely prepared, a two-stage curing process is adopted, and the weather resistance is excellent.

The invention relates to high-elasticity high-adhesive-force UV curing flexible printing ink and a preparation method thereof, and relates to the technical field of printing ink, the high-elasticity high-adhesive-force UV curing flexible printing ink comprises aliphatic polyurethane acrylate, a polyphosphate acrylate oligomer, core-shell structure polyurethane-acrylate microspheres, hexanediol diacrylate, isobornyl acrylate, a photoinitiator and a pigment, and a functional auxiliary agent. The polyphosphate acrylate oligomer realizes strong anchoring of a base material through a phosphate group, and meanwhile, a flexible chain segment of the polyphosphate acrylate oligomer interacts with the aliphatic polyurethane acrylate resin to form a continuous phase; the acrylate shells of the core-shell structure microspheres are covalently bonded with the matrix resin, and the elastic cores of the core-shell structure microspheres are uniformly dispersed in the resin as stress dissipation units. Through the synergistic effect, firm adhesion of a cured film layer can be achieved through interface chemical bonds, stress can be effectively dispersed through deformation of the microspheres when the cured film layer is subjected to external force, and therefore excellent adhesive force and outstanding flexibility are obtained.

Provided is an ink composition for ultraviolet-curable inkjet printing comprising polymerization components, a resin component, and a photopolymerization initiator, wherein the polymerization components include (A) a polyfunctional amine-modified oligomer, (B) a nitrogen-containing monomer, (C) an aromatic ring-containing monomer, and (D) a polyfunctional monomer, wherein the resin component includes a hydroxyl group-containing resin, wherein (A) comprises an acrylated amine compound having two photopolymerizable functional groups and two amino groups in a molecule, wherein (B) comprises vinyl caprolactam, wherein (C) comprises benzyl acrylate and phenoxyethyl acrylate, wherein (D) comprises at least one of propoxylated neopentyl glycol diacrylate, dipropylene glycol diacrylate, or 1,6-hexanediol diacrylate, wherein a content of (A) is 0.1 to 13.0% by mass, wherein a content of (C) is 35.0 to 75.0% by mass, wherein a content of (D) is 2.0 to 16.0% by mass, and wherein the hydroxyl group-containing resin includes a ketone resin having a hydroxyl group.

The invention provides a deep-absorption UV (ultraviolet) gloss oil composition for a scratch-resistant and doodling-resistant PVC (polyvinyl chloride) building material mask and a preparation method of the deep-absorption UV gloss oil composition, the deep-absorption UV gloss oil composition comprises a UV curing resin system, a reactive diluent 1, 6-hexanediol diacrylate, a specific photoinitiator compound system, a nano-scale scratch-resistant and wear-resistant filler, a fluorine-modified organic silicon anti-doodling aid and other aids, and the deep-absorption UV gloss oil composition does not contain matte powder. The preparation method comprises the following steps: coating a PVC building material mask base material with the UV gloss oil composition, covering an ultra-matte pressed film, then carrying out film pressing treatment to copy an ultra-matte surface structure and isolate oxygen, then carrying out sectional curing by adopting LED-UV lamps with different wavebands, and finally stripping the pressed film. Through collaborative innovation of a formula and a process, an extreme ultra-matte effect of which the glossiness is lower than 1.2 GU can be obtained without adding matte powder, meanwhile, the hardness of a coating can reach 5H or above, and the coating has excellent scratch-resistant and doodling-resistant performance, and is high in curing efficiency and environment-friendly in process.

The application belongs to the technical field of ink, and discloses a UV touch ink and a preparation method thereof.The UV touch ink comprises a UV modified acrylate, an acetylacetate ethyl ester-containing acrylic resin, an active monomer, an organic wax, a photoinitiator and a solvent; the active monomer is selected from at least one of dipropylene glycol diacrylate, diethylene glycol phthalate diacrylate, neopentyl glycol diacrylate and hexanediol diacrylate. The UV modified acrylate, the acetylacetate ethyl ester-containing acrylic resin, the active monomer and the organic wax are used as main components, and the selection of the active monomer enables the prepared UV touch ink to have excellent skin feeling and velvet feeling effects, and excellent adhesion, light resistance, weather resistance, alcohol resistance and solvent resistance. Meanwhile, the UV touch ink can simplify the curing process, and only needs to be dried by UV after printing, has high curing efficiency, and does not need to be dried by hot air and UV.

The present application relates to the technical field of housings of electrical equipment, manufacturing of synthetic materials, coatings and the like, and provides an electrical equipment housing, a sub-film texture coating and a preparation method thereof, the electrical equipment housing has a decorative effect, the sub-film texture coating is used to form the decorative effect, and the sub-film texture coating comprises: 20-30% of polyurethane UV3 resin in terms of weight percentage, 40-60% of silicon modified 15 functional resin in terms of weight percentage, 10-20% of polyurethane acrylic resin in terms of weight percentage, 2-10% of hexanediol diacrylate in terms of weight percentage and 0.1-1% of a photoinitiator in terms of weight percentage. The VOC emission of the sub-film texture coating is very low, the environmental friendliness of a texture setting process of the electrical equipment housing can be improved, and the sub-film texture coating has good stretchability.

This invention belongs to the field of packaging and printing materials, specifically relating to a high-temperature resistant water-based micro-crosslinked transfer coating. The raw materials for this high-temperature resistant water-based micro-crosslinked transfer coating consist of the following components: methacrylic acid, N-hydroxymethylacrylamide, butyl acrylate, methyl methacrylate, diallyl phthalate, 1,6-hexanediol diacrylate, tricyclodecanedimethylol diacrylate, trimethylolpropane triacrylate, di(trimethylolpropane)tetraacrylate, potassium persulfate, sodium bicarbonate, alkylphenol polyoxyethylene ether ammonium sulfate, nonylphenol polyoxyethylene ether, deionized water, ethanol, ammonia, wetting agent, defoamer, and film-forming agent. Its beneficial effects include a stable reaction process during the preparation of this high-temperature resistant water-based micro-crosslinked transfer coating, reducing the likelihood of slag formation or explosive polymerization; high gloss in the coating film; good adhesion to vacuum metallization; minimal fogging or whitening; high-temperature molding resistance up to 180℃; and easy peeling of PET film with a high yield.

The invention discloses a high-temperature-resistant and high-air-permeability vehicle-mounted OCA adhesive and a preparation method thereof. The OCA adhesive comprises the following raw material components in parts by weight: 40-80 parts of 2-ethylhexyl acrylate; 5 to 20 parts of tetrahydrofuran acrylate; 5 to 20 parts of hydroxybutyl acrylate; 10 to 30 parts of cyclohexyl acrylate; 1.5 to 6 parts of nano particles; 0.45 to 1.8 parts of a photoinitiator; 0.5 to 2 parts of a silane coupling agent; and 0.05 to 0.2 part of 1, 6-hexanediol diacrylate. The OCA optical cement is prepared by adopting a UV curing process, and performance optimization is realized through molecular structure design; according to the invention, a non-benzene-ring cyclic structure and nano particles are utilized to synergistically act to improve the air permeability of the material, and then the cross-linking agent, the coupling agent, the inorganic nano particles and the photoinitiator are added to prepare the high-temperature-resistant and air-permeable OCA optical adhesive by a UV method.

The invention belongs to the field of thick film electronic element manufacturing, and particularly relates to chip resistor MK layer UV curing slurry and a preparation method thereof. The problems that an existing UV curing protective layer is insufficient in heat resistance, and cracking and falling are caused by mismatching of thermal expansion coefficients are solved. Through an epoxy-organic silicon hybrid resin system and a composite functional filler, the resin system comprises trimethylolpropane triacrylate, hexanediol diacrylate, an epoxy acrylate oligomer, an organic silicon modified acrylate oligomer, a phosphorus-containing acrylate functional monomer and a thermal polymerization inhibitor, and the functional filler is prepared from modified spherical aluminum oxide, modified silicon dioxide, a photoinitiator, a photoinitiator, a photoinitiator, a photoinitiator, a photoinitiator and a photoinitiator. According to the invention, the thermal shock resistance and insulation reliability of the protective layer are improved while the high efficiency of the UV photocuring process is maintained.

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 the technical field of coatings, in particular to a coating containing a novel ultraviolet light absorber and a preparation method of the coating. The coating is prepared from the following raw materials in parts by weight: 45 to 55 parts of aliphatic polyurethane diacrylate, 22 to 28 parts of isobornyl acrylate, 12 to 18 parts of 1, 6-hexanediol diacrylate, 2.5 to 3.5 parts of novel ultraviolet light absorber, 1.6 to 2.4 parts of photoinitiator 1173, 0.8 to 1.2 parts of photoinitiator TPO and 36 to 44 parts of propylene glycol methyl ether acetate. The absorbent is obtained by activating a triazine-phenol structure through p-nitrophenyl chloro carbonate, coupling the triazine-phenol structure with 6-amino-6-deoxy-beta-cyclodextrin and then performing epoxidation, amphoteric chain segment grafting and methacryloylation, and site immobilization, amphoteric regulation and polymerizable anchoring of an ultraviolet absorption unit are achieved. The obtained coating has excellent adhesive force, hardness and bending resistance on a low-surface-energy membrane material, is high in ultraviolet shielding rate and stable in long-term weather resistance, and is suitable for the field of outdoor protective coatings.

The application discloses an EB-cured matt skin-feeling paint as well as a preparation method and application thereof, and belongs to the technical field of functional paint, and comprises the following raw materials in parts by weight: 20-30 parts of polyester modified polyurethane acrylate, 10-30 parts of organic silicon modified polyurethane acrylate, 10-30 parts of amine modified polyurethane acrylate, 20 parts of 1,6-hexanediol diacrylate, 0.2 parts of a leveling agent, 0.5 parts of a wetting agent, 0.2 parts of a defoaming agent and 1 part of silica matting powder; after being uniformly mixed in a dispersing machine, the EB-cured matt skin-feeling paint is obtained; then the paint is coated on the surface of a wood board, EB preliminary curing is carried out in an aerobic environment, then curing is carried out in an anaerobic environment by using a 172nm excimer lamp, and finally EB final curing is carried out, so that a matt skin-feeling coating with excellent comprehensive performances such as high hardness, scratch resistance, yellowing resistance and easy cleaning is formed; the curing process is more simple and efficient, and is suitable for industrialized continuous production.

The invention relates to the technical field of coatings, in particular to a coating composition of an acrylic acid series self-repairing hard coating for a rear cover of a mobile phone and application of the coating composition. The composition is prepared from the following components in parts by mass: 100 parts of acrylic acid series light-curable resin containing a main chain / side chain disulfide bond, 36.7 to 43.3 parts of 2-phenoxyethyl acrylate, 11.7 to 15.0 parts of 1, 6-hexanediol diacrylate, 5.0 to 8.3 parts of trimethylolpropane triacrylate, 10.0 to 13.3 parts of disilane modified silicon dioxide and 1.7 to 2.3 parts of a photoinitiator. Through the dynamic reversible exchange characteristic of disulfide bonds, the coating can self-repair micro-scratches under a mild thermal condition, has high hardness, high transparency and wear resistance, and is suitable for preparation of a protective coating of a mobile phone rear cover.

The invention discloses an efficient self-repairing vehicle-mounted OCA adhesive, a preparation method thereof and an adhesive film, the OCA adhesive is prepared from the following raw materials in parts by weight: 60 parts of 2-ethylhexyl acrylate, 10-20 parts of cyclohexyl acrylate, 15-25 parts of 2-hydroxyethyl acrylate, 5-10 parts of hydroxyethyl dithiodiacrylate, 0.45-1.8 parts of a photoinitiator, 0.5-2 parts of a silane coupling agent, 0.5-2 parts of 1, 2-propylene glycol, 0.5-2 parts of a curing agent, 0.5-2 parts of a curing agent, 0.5-2 parts of a curing agent and 0.5-2 parts of a curing agent. And 0.05 to 0.2 part of 1, 6-hexanediol diacrylate. In the OCA adhesive, a dynamic covalent bond repairing mechanism introduced by dithio diacrylate and a hydrogen bond mechanism of hydroxyethyl acrylate generate a synergistic effect, so that the repairing efficiency is improved in a leap-over manner; and the scratch can be efficiently repaired and the stability and definition of screen display can be maintained under the complex environments of vehicle-mounted high and low temperature, high humidity, strong ultraviolet rays and the like.

This invention relates to the field of coating technology, specifically to a printing coating for colored paper and its preparation method. In the preparation process, this invention incorporates dithiol dihydroxyacetic acid to increase the crosslinking points of the system, and trimethylolpropane tris(2-methyl-1-azacyclopropane propionate) containing an unstable aziridine three-membered ring to improve the degree of crosslinking. It also introduces isoborneol methacrylate to reduce internal stress, effectively balancing the crosslinking density and volume shrinkage of the system, resulting in a coating with excellent adhesion. Furthermore, this invention adds the bifunctional monomer 1,6-hexanediol diacrylate to make the network structure more uniform and provide anti-photooxidation properties, making the system less prone to oxidative discoloration. The addition of tripropylene glycol diacrylate reduces the risk of yellowing caused by small molecule migration. Therefore, the coating obtained in this way has significant anti-yellowing effects, preventing color distortion of colored paper and maintaining the appearance stability of the colored paper.

This application relates to the field of polymer materials technology, and particularly to a protein adhesion coating and its preparation method. The protein adhesion coating provided in this application comprises resin I and resin II. Resin I is obtained by reacting maleic anhydride, polyethylene glycol, pyrrole, and hexanediol diacrylate, while resin II is obtained by polymerizing aminosulfonate-modified polyisocyanate with hexanediol. The mass ratio of resin I to resin II is 6-9:7-8. This application utilizes the curing of resin I and resin II to form a protein adhesion coating. Because these two resins contain hydrophobic segments, they can generate hydrophobic interactions and π-π stacking with substrates such as PS culture dishes to enhance adhesion, preventing the substrate from detaching in water. Simultaneously, these two resins contain a large number of amide bonds and zwitterions, which can form hydrogen bonds and electrostatic adsorption with proteins, promoting cell adhesion.

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 invention discloses a diselenide bond cross-linked polyethyleneimine carrier for mRNA (messenger Ribonucleic Acid) delivery as well as a preparation method and application of the diselenide bond cross-linked polyethyleneimine carrier. The preparation of the carrier comprises the following steps: taking a synthesized diselene-1, 6-hexanediol diacrylate monomer (DSEDA) as a diselenide cross-linking agent; the diselenide cross-linked polymer material is prepared from the diselenide and branched PEI with the molecular weight of 0.6 kDa / 1.8 kDa through the Michael addition reaction of amine-acrylate, non-cross-linked primary amine is subjected to hydrophobic / hydrophilic chain modification, the hydrophilic / hydrophobic chain is a compound CH2COO-R, and the substituent R is one or more of C8-C12 linear alkyl or 6-12 oligomers of polyethylene glycol. In the carrier structure, biodegradable diacrylate bonds and diselenide bonds are introduced into the cross-linking agent, so that the transfection efficiency is maintained, and meanwhile, the toxicity is reduced to the maximum extent. As the diselenide bond can sensitively respond to oxidation and reduction environments at the same time, the diselenide bond-containing polymer molecule can become a novel mRNA carrier material, and can play a promoting role in improving intracellular mRNA release and translation.

This invention provides a low-gloss, anti-reflective PVC wear-resistant floor and its preparation method. The floor comprises a floor substrate and a coating attached to the surface of the floor substrate, comprising the following raw materials in parts by weight: 10-20 parts by weight of epoxy acrylate resin; 10-20 parts by weight of polyurethane acrylate resin; 5-10 parts by weight of grafted acryloyloxy-modified silica; 13 parts by weight of photoinitiator; 1-2 parts by weight of leveling agent; 2-5 parts by weight of acrylated polyethylene glycol; 5-10 parts by weight of 1,6-hexanediol diacrylate; and 3-8 parts by weight of pentaerythritol triacrylate. Through the synergistic effect of grafted acryloyloxy-modified silica and acrylated polyethylene glycol, a cross-linked network with a micro-uneven structure is formed during ultraviolet curing, achieving a stable and uniform low-gloss, anti-reflective effect.

The invention discloses light-cured piezoelectric ceramic slurry and a preparation method and application thereof.According to the light-cured piezoelectric ceramic slurry, two-functional-group aliphatic polyurethane acrylate, hexanediol diacrylate and trimethylolpropane triacrylate are compounded, a phosphate hyperdispersant is combined, firm chemical anchoring can be formed with modified barium titanate, and the piezoelectric ceramic slurry can be applied to light-cured piezoelectric ceramics. In addition, a curing system composed of low-viscosity active monomer hexanediol diacrylate, high-crosslinking-density trimethylolpropane triacrylate and a visible light initiator is adopted, the curing system is matched with the light absorption characteristic of modified barium titanate, and therefore the light absorption property of the modified barium titanate is improved. And enough penetration depth and interlayer binding force are ensured. A DLP technology is adopted to accurately print a ceramic green body framework at one time, a barium titanate ceramic framework with a complete structure and high density is obtained after degreasing and sintering, the 3-3 type piezoelectric composite material with controllable precision is prepared, the reflection loss of sound waves is reduced, and the quality of the material is further ensured.

Embossing resins, methods of manufacturing such resins, and electrokinetic display system, which includes display cells containing such resins. The resins include a fluoropolymer in weight percentage 5%-60%, a difunctional diluent in weight percentage 0-30%, a monofunctional diluent in weight percentage 0-40%, a urethane diacrylate or functionalized nanoscale material, e.g., a functionalized urethane material, in weight percentage 5-50%, a photoinitiator in weight percentage 0.5-5%, and a surfactant in weight percentage less than 0.5%. The difunctional diluent may be Hexanediol Diacrylate, and the monofunctional diluent may be a monofunctional hydrocarbon. The resins are made by identifying a target index of refraction for a cured state thereof, and combining together, by weight percentage, the constituent components to produce the liquid state version of the embossing resin having a desired composite index of refraction.

The invention discloses a special coating for electron beam curing as well as a preparation method and application thereof, and belongs to the field of radiation curing materials. According to the coating, hyperbranched polyester acrylate and urethane acrylate in a specific proportion are used as oligomer resin compositions, and the oligomer resin compositions are matched with a composite reactive diluent composed of isobornyl methacrylate (IBOA) and 1, 6-hexanediol diacrylate (HDDA) and surface-modified fumed silica, so that the coating is prepared. The composition comprises the following components in parts by mass: 45-65 parts of an oligomer resin composition; 25 to 40 parts of a reactive diluent; 5 to 15 parts of functional filler; and 0.5-3 parts of an auxiliary agent. The coating disclosed by the invention has the characteristics of low viscosity and high reaction activity, a cured coating is excellent in adhesive force, perfect balance of high hardness and high flexibility is realized, and the coating is particularly suitable for coating protection of non-porous base materials such as metal, plastic and the like with strict adhesive force and requirements.

The application discloses a kind of silicon-free fluorine-free hydrophobic sterilization water-based polyacrylic resin and its preparation method and application, belong to water-based functional polymer coating material technical field.The resin of the present application is prepared from deionized water, non-special acrylic functional monomer component, special acrylic functional monomer component, polyvinyl alcohol modified nano zinc oxide component, emulsifier component and initiator component.The present application is based on "molecular bridge crosslinking-nano structure coupling" strategy, introduces 1,6 hexanediol diacrylate of hydrophobic long alkyl chain in tertiary butyl chain polyacrylic acid resin to construct crosslinking molecular bridge, promotes tertiary butyl and long chain alkyl synergistic hydrophobic, and polyvinyl alcohol modified nano zinc oxide component is designed to be introduced, synergistically realizes the efficient integration of hydrophobic barrier and antibacterial site function, provides more environmentally friendly multifunctional solution for the field of medical protection, outdoor sports and household textiles and other textile functional finishing protection, and has wide application prospect.

An active energy ray-curable inkjet printing ink composition satisfies (A) to (E) below, where the total content of (D) and (E) accounts for 30.0 to 60.0% by mass: (A) an acrylated amine compound having two photopolymerizable functional groups and two amino groups in a molecule is contained by 1.0 to 20.0% by mass; (B) alkoxy group-containing (meth)acrylate monomers are contained by 2.0 to 20.0% by mass; (C) a (meth)acrylate monomer containing an alkyl group with 10 to 20 carbon atoms is contained by 2.0 to 25.0% by mass; (D) at least one type selected from the group that consists of 1,6-hexanediol diacrylate, 3-methyl-1,5-pentanediol diacrylate, dipropylene glycol diacrylate, propoxylated(2)neopentyl glycol diacrylate, and hydroxypivalic acid neopentyl glycol diacrylate is contained by 5.0 to 25.0% by mass; and (E) a plant oil-derived 1,10-decanediol diacrylate is contained by 10.0 to 40.0% by mass.

The invention provides a dental restoration material for 3D printing, a dental restoration and a preparation method. The dental restoration material is prepared from the following restoration raw materials in percentage by mass: 8%-16% of 1, 6-hexanediol diacrylate, 1%-5% of ethoxylated trimethylolpropane triacrylate, 9%-13% of polyethylene glycol 400, 0.2%-1% of diphenyl (2, 4, 6-trimethylbenzoyl) phosphine oxide, 1%-5% of a dispersing agent and 60%-85% of glass powder. Wherein the glass powder comprises the following components in percentage by mass: 50%-80% of SiO2, 10%-20% of Li2O, 0.5%-10% of K2O, 0.5%-15% of Al2O3 and 0.2%-10% of a nucleating agent. The nucleating agent is P2O5 and / or TiO2. The mechanical strength of a dental restoration body prepared from the dental restoration body material can exceed 200MPa.

This invention discloses a UV-curable and moisture-curable nano-coating material and its coating process, relating to the field of UV curing technology. It uses 100 parts of polyether-type thermoplastic polyurethane as the matrix, adding 47 parts of siloxane-modified polyurethane acrylate prepolymer as the dual-curing resin matrix, 50 parts of 1,6-hexanediol diacrylate as an reactive diluent, 3 parts of diphenyl-(2,4,6-trimethylbenzoyl)phosphorus oxychloride as a photoinitiator, 3 parts of nano-silica as a reinforcing and heat-resistant filler, 7 parts of fluorine-modified nano-silica as a superhydrophobic surface functional component, and 0.5 parts of leveling agent. Through the synergistic effect of the dual curing mechanism and the enhancement of nanomaterials, it achieves rapid surface drying under UV light for 5–10 seconds and deep curing under moisture for 24 hours, effectively overcoming the oxygen inhibition effect. Rod-shaped nano-SiO2 enhances the mechanical and heat resistance properties of the coating, resulting in a tensile shear strength ≥3.48 MPa, a pencil hardness of 6H, and a strength loss of <10% after heating at 120℃ for 16 hours.

The present invention provides an ultraviolet-curable ink composition for inkjet printing, which comprises a polymerization component and a photopolymerization initiator, the polymerization component comprising (A) a multifunctional amine-modified oligomer, (B) a nitrogen-containing monomer, (C) an aromatic ring-containing monomer, and (D) a multifunctional monomer, (A) comprising an acrylated amine compound having 2 photopolymerizable functional groups and 2 amino groups within the molecule, (B) comprising at least any one of acryloylmorpholine or vinylcaprolactam, (C) comprising benzyl acrylate and phenoxyethyl acrylate, (D) comprising at least any one of dipropylene glycol diacrylate, 1,6-hexanediol diacrylate, or ethoxylated trimethylolpropane triacrylate, the content of (A) being 0.8-11.0 mass%, the content of (C) being 32.0-75.0 mass%, and the content of (D) being 1.5-14.0 mass%.

The invention discloses an anti-fatigue and anti-corrosion coating material for an injection mold and a preparation method thereof.The anti-fatigue and anti-corrosion coating material is prepared from, by weight, 60-80 parts of a synergistic additive, 5-8 parts of a tackifying additive, 15-20 parts of 1, 6-hexanediol diacrylate, 25-35 parts of isobornyl acrylate and 3-5 parts of a photoinitiator. The tackifying additive can enable polymer molecules to form a cross-linked grid shape, the grid structure can permeate and be anchored to uneven positions on the surface of a mold, the internal stress is reduced due to the lower shrinkage rate of the grid structure, and the cross-linked grid can enable a paint film to be firmer, higher in hardness and better in wear resistance and impact resistance. The embedding of polysiloxane chain segments and carborane can further improve the high temperature resistance of a coating film, so that when the PVD coating is sprayed, the primer does not decompose, turn yellow or lose strength, the problem of blistering of the primer due to high-temperature softening and degradation is avoided, and meanwhile, the corrosion resistance of the coating film is improved.

This invention discloses a method for preparing a thermal insulation coating for curtain wall glass, specifically relating to the field of building materials technology. The thermal insulation coating is prepared from a fluorocarbon-fluorosilicone copolymer resin solution, modified composite filler, silica-modified microspheres, fluorocarbon particle dispersion slurry, 1,6-hexanediol diacrylate, trimethylolpropane triacrylate, photoinitiator, 1-hydroxycyclohexylphenyl ketone, leveling agent, defoamer, and stabilizer. This invention achieves a synergistic effect of solar spectrum reflection blocking and phase transition temperature-triggered active infrared radiation heat dissipation by constructing a ternary composite system of reflective glass microspheres with titanium dioxide core-shell filler, barrier-type modified tin oxide antimony nanoparticles, and radiation-cooling tungsten-doped vanadium dioxide microparticles, thereby improving weather resistance.

The present invention provides a thermochromic ink suitable for various printing methods, a preparation method thereof, and a printed product thereof. The ink comprises the following raw materials, in percentage by mass: 15 wt % to 45 wt % of aromatic polyurethane acrylic resin, 5 wt % to 45 wt % of modified epoxy acrylic resin, 5 wt % to 10 wt % of ethoxylated trimethylolpropane triacrylate, 5 wt % to 10 wt % of 1,6-hexanediol diacrylate, 5 wt % to 10 wt % of tetrahydrofuran acrylate, 5 wt % to 10 wt % of acryloylmorpholine, 5 wt % to 10 wt % of a co-initiator, 0.5 wt % to 1.5 wt % of polyethylene wax, 4 wt % to 10 wt % of a photosensitizer, 0.5 wt % to 1.5 wt % of a thermal stabilizer and 5 wt % to 15 wt % of calcium carbonate. By introducing resins prone to yellowing under high-temperature environments into the ink formulation and in combination with an excess of active photosensitizers, the coating of the ink according to the present invention can exhibit an excellent irreversible color-changing effect within specific high temperature ranges.