35 results about "Polyaspartic" patented technology

The invention relates to the technical field of high polymer material coatings, and particularly discloses a self-repairing type polyurea protective coating and a preparation method thereof. The self-repairing type polyurea protective coating comprises a component A and a component B. The component A comprises the following raw materials in parts by weight: 20-30 parts of polyaspartic acid ester, 5-8 parts of amino organic silicon resin, 1-3 parts of mesoporous silica, 1-3 parts of a self-repairing auxiliary agent and 10-20 parts of a solvent. The component B is polyether modified isocyanate; a three-phase interpenetrating network is formed through amino organic silicon resin-polyaspartic acid ester-polyether modified isocyanate, and the good self-repairing effect of the coating is kept in the high-abrasion environment of an automobile chassis, an automobile frame, a fuel tank and the like.

High impact and penetration resistant lightweight composite panels include a foam core and an impact and penetration resistant protective layer on at least a portion of the lightweight composite panel. The foam core is a polymer and / or inorganic foam layer or sheet having first and second surfaces. A fiber mesh reinforced cementitious layer can cover one or both surfaces of the foam core. Example polymer foam cores include extruded polystyrene foam, expanded polystyrene foam, polyisocyanurate foam, or polyurethane foam. Example inorganic foam cores include perlite, ceramic microspheres, hollow glass spheres, glass foam, ceramic foam, expanded silica gel, porous wollastonite, urea-silicate foam, SiOC / SiC foam, refractory foam, and graphene. The impact and penetration resistant protective layer can be formed from polyurea, polyurethane, polyurea-polyurethane hybrid, polyaspartic, polymer-modified mineral binder, or hybrid resin-mineral composite. The protective layer can include a tightly woven scrim and / or a slip resistant filler embedded in the polymer.

The invention relates to a sealant for a waterproof photovoltaic frame. The sealant is prepared from the following components in parts by mass: 80 to 100 parts of fluorine modified polyaspartic ester, 100 to 120 parts of silane modified isocyanate, 40 to 60 parts of modified nano titanium dioxide, 8 to 10 parts of curing catalyst and 10 to 15 parts of adhesion promoter. The waterproof sealant has the effect of improving the waterproof performance, the adhesion performance and the aging resistance of the sealant.

The invention discloses a low-temperature-resistant anti-corrosion evaporator fin and a preparation method thereof, and relates to the field of fin processing, an evaporator aluminum foil fin is coated with a functional coating, and the functional coating is formed by reacting and curing a coating slurry agent and a curing agent according to the mass ratio of 2: 1. The coating comprises polyaspartic acid ester, polyether amine, amino organic silicon resin and polyether graft modified boron nitride filler. The curing agent is a prepolymer with a branched structure, and the prepolymer is prepared by carrying out co-modification on isophorone diisocyanate and dicyclohexylmethane diisocyanate by adopting trimethylolpropane and polytetrahydrofuran polyol. Through systematic modification and compounding of the curing agent, the filler and the functional resin, the fin still keeps the tensile strength retention rate of 90% or above at low temperature, passes a neutral salt spray test for 900 hours, has excellent low-temperature toughness, wear resistance and long-acting corrosion resistance, and is suitable for a refrigeration equipment evaporator under a low-temperature working condition.

The invention relates to a wind turbine blade, preferably the leading edge of a wind turbine blade, coated with a coating composition comprising: (A) at least one polyaspartic selected from the group consisting of polyaspartic esters, polyetheraspartic esters and mixtures thereof; and (B) at least one aliphatic polyisocyanate prepolymer curing agent: wherein component B further comprises an aliphatic polyisocyanate which is different to the at least one aliphatic polyisocyanate prepolymer curing agent.

The invention belongs to the technical field of coatings, and provides a self-repairing, self-cleaning and weather-resistant iron base plate primer-topcoat integrated coating and a preparation method thereof, and the self-repairing, self-cleaning and weather-resistant iron base plate primer-topcoat integrated coating is prepared by mixing a component A and a component B according to an isocyanate index of 1-1.1, wherein the component A is prepared from the following components in parts by mass: 26 to 31 parts of polyaspartic acid ester PAE-1, 26 to 29 parts of polyaspartic acid ester PAE-2, 4 to 8 parts of polyaspartic acid ester PAE-3, 3 to 5 parts of mica powder, 1 to 3 parts of wetting dispersant, 0.5 to 1 part of defoaming agent, 0.3 to 0.6 part of flatting agent, 0 to 3 parts of color paste, 2 to 4 parts of anti-precipitation aid, 5 to 8 parts of ultraviolet light absorber, 13.2 to 24.9 parts of zinc phosphate and 1 to 4 parts of barium sulfate; the component B is prepared from 7 to 12 parts of isocyanate prepolymer A, 16 to 22 parts of isocyanate prepolymer B, 65 to 75 parts of hexamethylene diisocyanate tripolymer and 2 to 4 parts of butyl acetate. According to the technical scheme, the problem that in the prior art, a polyaspartic acid ester polyurea coating is insufficient in salt mist resistance and weather resistance is solved.

The invention relates to a wind turbine blade, preferably the leading edge of a wind turbine blade, coated with a coating composition comprising: (A) at least one polyaspartic selected from the group consisting of polyaspartic esters, polyetheraspartic esters and mixtures thereof; and (B) at least one aliphatic polyisocyanate prepolymer curing agent; wherein the component A further comprises a cycloaliphatic diamine aldimine.

The invention discloses a water-oil hybrid polyurea mortar waterproof floor coating as well as a preparation method and application thereof, and belongs to the technical field of floor coatings. The coating is composed of a component A and a component B, the component A is a hybrid isocyanate prepolymer and is prepared from 25 to 30 parts of polymerized MDI (Diphenyl Diisocyanate), 5 to 8 parts of nano SiO2 grafted isocyanate and 0.1 to 0.3 part of an oxidation catalyst; the component B is a water-oil hybrid amino compound and mortar reinforcing system, and comprises 60 to 70 parts of water-based polyaspartic acid ester, 30 to 40 parts of oil hydroxyl-terminated polybutadiene, 10 to 20 parts of silane modified quartz powder and 2 to 3 parts of Diels-Alder bond polymer. Through water-oil resin nano-hybridization, nano SiO2 grafting and dynamic reversible bond introduction, VOC is smaller than or equal to 5 g / L, the compressive strength is larger than or equal to 25 MPa, the self-repairing efficiency is larger than 90%, and the comprehensive performance of-15-50 DEG C wide-temperature construction is improved. In practical application, a one-bag film forming packaging system and an intelligent construction management system are matched, the construction efficiency and quality consistency are remarkably improved, and the method is suitable for industrial terraces, underground engineering and other high-requirement waterproof terrace scenes.

Lightweight composite panels, compositions used to make composite panels, and methods for manufacturing composite panels. The composite panels include a lightweight foam core sandwiched between thin protective layers (e.g., fiber reinforced cementitious layer, thermoset polymer layer, e.g., polyurea or polyaspartic, or magnesium oxide). Lightweight composite panels can be used in place of conventional wallboards and panels, including for various uses such as interior drywall, backerboard for tile and other interior finishes, including those exposed to moisture, exterior sheathing, floor underlayment, soffits, roofing decks, shaft liners, and the like. Lightweight composite panels can be cut, drilled, and screwed onto structural elements of buildings, such as wall frames comprising wooden or metal studs, roof frames comprising boards, studs, or trusses, floor joists, concrete floors, foundations, and the like. Exterior sheathing panels can include a drainage layer and / or a factory installed finish. Interior panels that replace gypsum boards can include a plaster layer.

The present application relates to the technical field of sealant, and provides a kind of assembly type building sealant and preparation method thereof, comprising the following weight parts of raw material components: alkyl modified polyaspartic ester resin 100~140 parts, plasticizer 20~40 parts, reinforcing filler 80~140 parts, auxiliary 2.5~6.5 parts, silane coupling agent 2~7 parts, catalyst 1~2.5 parts.The assembly type building sealant prepared by the present application can withstand long time wind and sunshine, has good adhesion, good durability, long service life, and solves the problem of insufficient adhesion or weather resistance of the existing assembly type building sealant.

The present invention relates to a kit-of-parts for the preparation of a curable coating composition, preferably a curable clear coating composition, comprising an isocyanate-reactive compound (a) comprising a polyaspartic ester compound in a first container, a polyisocyanate (B) in a second container, and a solvent (S1) selected from the group consisting of monoalcohols and alkoxy monoalcohols in a third container, wherein a UVA and / or HALS additive is optionally comprised in the first and / or third container and a second solvent (S2) is optionally comprised in the second and / or third container. Furthermore, the present invention relates to a coating composition prepared from said kit-of-parts, and a process for the preparation of at least one coating layer on an optionally pre-treated and optionally pre-coated substrate, and a coated substrate obtained thereby.

The invention belongs to the technical field of coatings, and particularly relates to a polyurea coating as well as a preparation method and application thereof. The polyurea coating comprises a component A and a component B, the component A comprises polyaspartic acid ester polyurea resin, a compound flame retardant, an auxiliary agent and a filler; the compound flame retardant is prepared from melamine polyphosphate, polyhedral oligomeric silsesquioxane and double-layer coated aluminum phytate; the double-layer coated aluminum phytate comprises a coupling agent layer and a stearic acid layer which are sequentially arranged outwards from the aluminum phytate side; and the component B comprises an isocyanate prepolymer. According to the invention, melamine polyphosphate, double-layer coated aluminum phytate and polyhedral oligomeric silsesquioxane are adopted to synergistically construct a flame-retardant system, and inorganic-organic phosphorus is adopted to synergistically form charcoal, a POSS dynamic cage structure is adopted to inhibit smoke and molten drops, and a bio-based acid source is adopted to improve the strength of a carbon source, so that the polyurea coating has good flame retardance, thermal stability and mechanical properties.

Lightweight composite panels, compositions used to make lightweight composite panels, and methods for manufacturing lightweight composite panels. The lightweight composite panels include a lightweight foam core sandwiched between thin protective layers selected from fiber mesh reinforced cementitious layer and thermoset polymer layer, e.g., polyurea or polyaspartic. The lightweight composite panels can be used in place of conventional wallboards and panels, including for various uses such as interior drywall, backer boards for tile and other interior finishes, including those exposed to moisture, exterior sheathing, floor underlayment, soffits, roofing decks, shaft liners, and the like. The lightweight composite panels can be cut, drilled, and screwed onto structural elements of buildings, such as wall frames comprising wooden or metal studs, roof frames comprising boards, studs, or trusses, floor joists, concrete floors, foundations, and the like. Exterior sheathing panels can include a drainage layer and / or a factory installed finish.

The invention relates to the technical field of polyaspartic acid ester resin, in particular to modified polyaspartic acid ester resin as well as a preparation method and application thereof. The modified polyaspartic acid ester resin is prepared from silicon-containing diamine and maleate and has a structural formula shown in a formula (I), R1, R2, R3 and R4 represent alkane groups or silicon-containing oxygen groups, and R5 represents alkyl. The process is simple, an antioxidant does not need to be added, the cost is reduced, industrial production is easy, and the heat resistance, the flexibility and the hydrophobicity of the obtained product are improved; high conversion rate and low residue are realized; the high adhesive force with metal is realized; no solvent is added, and the VOC emission standard is met. (I)

The application discloses a heat storage coating for a wind power blade and a preparation method thereof, and belongs to the technical field of wind power blade coating. The coating takes a water-based polyaspartic ester polyurea base resin as a main body structure, disperses and fixes a hydrated salt phase change material in the water-based polyaspartic ester polyurea base resin through an adhesive, and the hydrated salt phase change material exists in the form of heat storage microcapsules, wherein the main body of the capsule is granular expanded graphite, the pores of the expanded graphite are filled with the hydrated salt phase change material, and the hydrated salt phase change material undergoes a phase change following an external environment and synchronously absorbs or releases heat. The coating has excellent heat absorption and storage performance because the hydrated salt is used as the phase change material, can effectively absorb and store light and heat into the coating, avoids daytime strong light from burning the blade, can prevent the wind power blade from icing at night when the temperature decreases, thereby more effectively protecting the blade from damage and improving the safety of the wind power generator.

The invention provides thixotropic polyaspartic ester resin and a transparent aspartic polyurea coating, and relates to the technical field of aspartic ester resin. The thixotropic polyaspartic ester resin is obtained by reacting aspartic ester resin and trifunctional isocyanate according to the weight ratio of 100: (0.1-1), the thixotropy of the aspartic ester resin is improved, and when the thixotropic polyaspartic ester resin is used for the aspartic polyurea coating, the transparent aspartic polyurea coating with good sagging resistance can be obtained.

The present application relates to the technical field of paint, in particular to a wear-resistant epoxy modified polyurethane floor paint and a preparation method thereof.A wear-resistant epoxy modified polyurethane floor paint comprises component A and component B, the component A is prepared by the reaction of polyether polyol and hexamethylene diisocyanate-based polyisocyanate, and the component B comprises epoxy resin, polyaspartic resin, dipolyglyceryl dilinoleate, silane coupling agent, ethylene glycol monobutyl ether acetate, polysiloxane compound, organic polymer modified dimethyl siloxane, triethylene glycol diisooctanoate, pigment, filler, silicon dioxide, ultraviolet absorber and color paste.The application significantly enhances the weather resistance of the polyurethane floor paint by introducing the epoxy resin, using hexamethylene diisocyanate-based polyisocyanate and polyaspartic resin.

The invention relates to the field of high-performance industrial protective coatings, in particular to a solvent-free polyaspartic acid ester protective coating used in the fields of wind power blades and the like and a preparation method of the solvent-free polyaspartic acid ester protective coating. The coating comprises a finish paint component and a curing agent component, the finish paint is prepared from the following components in parts by weight: 50 to 60 parts of polydimethylsiloxane aspartic acid ester, 10 to 20 parts of precipitated barium sulphate, 20 to 30 parts of titanium dioxide, 0.2 to 0.7 part of wetting dispersant, 1 to 1.5 parts of defoaming agent, 0.2 to 0.7 part of rheological additive, 2.2 to 2.7 parts of flatting agent and 0.2 to 0.7 part of base material wetting agent. The technical problem that the solid content and durability of a traditional polyaspartic acid ester protective coating are difficult to consider at the same time is solved, and the coating can be widely applied to long-acting protective coatings in the fields of wind power blades and the like and has important industrial application value and popularization prospects.

The present application relates to the technical field of building coating, and particularly relates to a polyaspartic ester for floor protection and decoration paint and a preparation method thereof, wherein the composition of A component includes 500-600 parts of polyaspartic ester resin, 1-1.2 parts of wetting agent, 4-4.5 parts of dispersing agent, 4-4.5 parts of first defoaming agent, 5-10 parts of anti-settling agent, 100-150 parts of titanium white, 150-250 parts of precipitated barium sulfate, 0.5-30 parts of color paste, 4-4.5 parts of adhesion promoter, 4-4.5 parts of leveling agent and 1-3 parts of second defoaming agent; the composition of B component includes 1000 parts of HDI trimer. The present application has the advantages of rapid repair, rapid drying, rapid operation, good physical and chemical properties and the like.

The invention belongs to the field of chemical coatings, and particularly relates to a dual-curing radix asparagi polyurea coating and a preparation method thereof. The invention relates to a dual-curing aspartic polyurea coating, which contains a component A and a component B. The component B is a polyisocyanate curing agent, and the component A comprises polyaspartic acid ester resin, a UV monomer, a photoinitiator and an auxiliary agent; the mass ratio of the polyaspartic acid ester resin to the UV monomer to the photoinitiator is (60 to 64.5) to (10.1 to 14.5) to (0.4 to 0.5). The UV monomers are added into the aspartic polyurea coating, the operating time of the aspartic polyurea coating is prolonged, meanwhile, no VOC is generated, different UV monomers are selected, the performance of polyaspartic acid ester can be adjusted, and different requirements are met.

Lightweight composite panels including an inorganic foam core, compositions used to make lightweight composite panels, and methods for manufacturing lightweight composite panels. The lightweight composite panels include a lightweight inorganic foam core sandwiched between thin protective layers selected from fiber mesh reinforced cementitious layer, thermoset polymer layer, e.g., polyurea or polyaspartic, or facer layer. The lightweight composite panels can be used in place of conventional wallboards and panels, including for various uses such as interior drywall, backer boards for tile and other interior finishes, including those exposed to moisture, exterior sheathing, floor underlayment, soffits, roofing decks, shaft liners, and the like. The lightweight composite panels can be cut, drilled, and screwed onto structural elements of buildings, such as wall frames comprising wooden or metal studs, roof frames comprising boards, studs, or trusses, floor joists, concrete floors, foundations, and the like. Exterior sheathing panels can include a drainage layer and / or a factory installed finish.

The application provides a sealant and a preparation method thereof, and relates to the technical field of sealants. The sealant comprises A component and B component. The A component comprises the following raw materials: bio-based polyaspartic ester resin, modified nano zinc oxide, tea polyphenol microcapsule, filler, dispersant and defoaming agent. The B component comprises the following raw materials: bio-based isocyanate prepolymer, HDI trimer, catalyst and light stabilizer. The sealant provided by the application has the comprehensive performances of weather resistance, anti-yellowing, mechanical balance, environmental protection, safety, antibiosis and durability, and is suitable for the sealing of building gaps in the environment exposed to light and moisture for a long time.

The invention provides a solvent-free dual-curing asparaginic acid ester polyurea coating as well as a preparation method and application thereof, and relates to the field of coatings. The coating comprises a component A and a component B in percentage by mass, the component A is prepared from the following raw materials: 30 to 95 percent of polyaspartic acid ester resin, 0.2 to 0.8 percent of dispersing agent, 0.1 to 1.0 percent of defoaming agent, 0.1 to 0.3 percent of flatting agent, 0.3 to 1.0 percent of fumed silica, 5 to 10 percent of molecular sieve, 30 to 50 percent of barium sulfate, 0 to 10 percent of coupling agent, 0 to 5 percent of anti-skid particle powder and 0 to 20 percent of color paste; the component B comprises a siloxane modified isocyanate curing agent, and the mass fraction of the curing agent is 30-100%. The quick-drying property of the polyaspartic acid ester polyurea is maintained, and the quick-drying paint not only has good adhesive force to matt finish tiles used in toilets, but also has good adhesive force to smooth tiles.

This invention provides a polyaspartic acid ester polyurea waterproof coating and its preparation method, belonging to the field of waterproof coating technology. The polyaspartic acid ester polyurea waterproof coating comprises a first component and a second component in a weight ratio of 1:(0.9~1.1). The first component includes an aliphatic isocyanate prepolymer (with isocyanate group content of 10%~20%) formed by reacting 20~40 parts of aliphatic isocyanate and 40~70 parts of polyether polyol, and also includes 5~15 parts of hexamethylene diisocyanate trimer. The second component comprises, based on a total weight of 100 parts of the second component, 40~60 parts of polyaspartic acid ester resin, 30~50 parts of pigments and fillers, 0.5~1.0 parts of dispersant, 0.1~0.5 parts of defoamer, 0.1~0.5 parts of silane coupling agent, 1.0~2.0 parts of aging resistant additive, 5.0~10 parts of solvent, and 0.5~1.0 parts of color paste. The pigments and fillers include nano-calcium carbonate, with a weight of 10~30 parts. The polyaspartic acid ester polyurea waterproof coating provided by this invention has the characteristics of anti-sagging and high strength.

The present application relates to a kind of extender composition and its application in polyaspartic ester polyurea composition, and the method for extending the pot life of polyaspartic ester polyurea composition by the extender composition.The extender composition includes 30-80 parts of polyamine resin, 0.01-30 parts of ketone solvent and 10-80 parts of silicon-containing inorganic matter.The extender can effectively improve the pot life of polyaspartic ester polyurea composition, provide sufficient construction operation time for different applications of polyaspartic ester polyurea composition.The polyaspartic ester polyurea composition with extended pot life can be applied to different types of substrates such as metal, concrete, plastic, composite material, etc., while having low-temperature rapid curing, high solid content, low VOC emission, good substrate adhesion and outdoor durability, etc.

The application relates to the technical field of polyaspartic ester, and particularly discloses a low-viscosity self-thixotropic polyaspartic ester as well as a preparation method and application thereof. The preparation method of the low-viscosity self-thixotropic polyaspartic ester is that maleic acid ester and N, N-bis (2-aminoethyl) malonamide are used to synthesize the self-thixotropic polyaspartic ester. The self-thixotropic polyaspartic ester can be applied in paint to replace a thixotropic agent, so that the paint has relatively low viscosity and relatively high sag resistance.

The invention relates to the technical field of coatings, and discloses a high-strength fatigue-resistant stainless steel chassis support for an automobile and a preparation method of the high-strength fatigue-resistant stainless steel chassis support. Comprising the following operation steps: uniformly mixing an isocyanate-terminated prepolymer, siloxane modified polyaspartic acid ester, epoxy resin, a modified glass flake composite material, a curing agent and a solvent to obtain a functional coating; and the surface of the prefabricated stainless steel chassis support is coated with the functional coating, temperature programming curing is conducted, and the high-strength fatigue-resistant stainless steel chassis support is obtained. In the scheme, the isocyanate-terminated prepolymer and the siloxane-modified polyaspartic ester form a polyurea / polyurethane structure, so that the performance of the coating is improved; the glass flakes are modified to improve the compatibility with the coating and cooperate with the coating matrix, so that the performance of the stainless steel chassis bracket is improved.

The invention relates to the technical field of functional coatings, and discloses a composition for polyurea resin, the polyurea resin and a preparation method and application of the polyurea resin. The composition for the polyurea resin is prepared from a prepolymer, metallocene M modified polyaspartic acid ester, a polyaspartic acid ester chain extender, an aromatic steric hindrance chain extender and 9, 10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide, and is characterized in that the prepolymer and the aromatic steric hindrance chain extender are added into the polyurea resin; wherein the prepolymer is obtained through a polymerization reaction of isocyanate and polyester polyol. The polyurea resin disclosed by the invention has good mechanical property, flame retardant property and anti-knock property.

The present invention relates to a stable vinyl-terminated polyaspartic-polyurea hybrid dispersion for its application in adhesives and coatings. Herein, the vinyl-terminated polyaspartic-polyurea hybrid dispersion is further modified with a monomeric component, such as an acrylic moiety and vinyl acetate monomer. The dispersion demonstrates excellent water resistance and stability. The developed dispersions are suitable for use in coatings, paints, adhesives, sealants, and inks, and are applied onto various substrates, including cementitious materials, metals, glass, plastics, carpet, wood, textiles, ceramics, and composites.

The invention provides a solvent-free polyaspartic acid ester polyurea coating as well as a preparation method and application thereof, and relates to the field of coatings, the coating comprises colored paint and a curing agent, and the mass ratio of the colored paint to the curing agent is (20-25): (7.8-10); the colored paint is prepared from the following raw materials in percentage by mass: 30 to 60 percent of polyaspartic acid ester, 0.2 to 0.8 percent of dispersing agent, 0.1 to 1.0 percent of defoaming agent, 0.1 to 0.3 percent of flatting agent, 0.3 to 1.0 percent of fumed silica, 5 to 10 percent of molecular sieve, 40 to 50 percent of barium sulfate and 0 to 20 percent of color paste; the curing agent is a modified HDI tripolymer. The radix asparagi polyurea coating has both long construction time (25-30 min) and quick drying (lt: 3 h).