60results about How to "Low in VOCs" patented technology

The present invention is an aqueous coating composition having excellent freeze-thaw stability and a low-VOC content. The aqueous coating composition of the invention includes at least one latex polymer derived from at least one monomer and at least one polymerizable alkoxylated surfactant, at least one pigment, and water. In accordance with the invention, less than 3.0% by weight of anti-freeze agents based on the total weight of the aqueous coating composition are used in the composition. The present invention also includes a method of preparing an aqueous coating composition such as a latex paint including the above components.

An aqueous latex coating composition and method of making an aqueous latex coating composition that comprises at least one oligomeric ethylene glycol derivative having the structure RO—(CH2—CH2—O—)n—H, at least one latex polymer, and water, wherein R is H or C1-C4 alkyl and preferably H, and n is from 3 to 9, preferably from 3 to 8, and more preferably from 3 to 6. The oligomeric ethylene glycol derivative functions as both a coalescing solvent and freeze-thaw stabilizer without contributing to the VOC content of the composition.

An environmentally preferred flock adhesive composition containing low molecular weight prepolymers of isocyanate terminated polyether and / or polyalkadiene polyols is disclosed. The prepolymers are free of residual volatile isocyanate (<1000 ppm) without blocking the isocyanate thereby providing favorable effects on viscosity, cure kinetics, and safety. The flock adhesive composition preferably contains an aromatic nitroso compound an epoxy novolak resin and a catalyst. The adhesive compositions can be made at high solids, with minimal co-solvent, while maintaining low viscosity, which is favorable to environmental regulations aimed at reducing solvent emissions. Furthermore, the solvents can be non-HAP and non-photochemically reactive. The adhesive composition can be utilized for the application of flocking fibers to various elastomer substrates.

An aqueous latex coating composition and method of making an aqueous latex coating composition that comprises at least one oligomeric ethylene glycol derivative having the structure RO—(CH2—CH2—O—)n—H, at least one latex polymer, and water, wherein R is H or C1-C4 alkyl and preferably H, and n is from 3 to 9, preferably from 3 to 8, and more preferably from 3 to 6. The oligomeric ethylene glycol derivative functions as both a coalescing solvent and freeze-thaw stabilizer without contributing to the VOC content of the composition.

Custom-tinted paints and stains are made using an array of low VOC concentrated liquid colorants including at least at least white colorant; black colorant; and green-hued, blue-hued and red-hued primary colorants at least one of which primary colorants comprises polyalkylene glycol humectant, ethoxylated surfactant and extender pigment. For colorants in the array containing polyalkylene glycol humectant, the humectant and ethoxylated surfactant amounts are sufficiently high and extender pigment amount is sufficiently low so that the colorants will not problematically plug colorant dispenser orifices if left in the dispenser without an orifice cap for a full day. The polyalkylene glycol humectant is also present in an amount sufficiently low so that dried paint films made by mixing the colorants with a clear waterborne base paint will resist blocking.

A method is disclosed for the preparation of a water-based graft copolymer of a carboxyl functional polyester and an ethylenically unsaturated monomer having a low level of volatile organic compounds.

A water based intercoat coating composition containing (A) a polyester resin comprising, as essential components, an alicyclic polybasic acid (a1) and / or an alicyclic polyhydric alcohol (a2), other polybasic acid (a3) and other polyhydric alcohol (a4), (B) a crosslinking agent, and (C) a water based urethane resin emulsion.

Custom-tinted paints and stains are made using an array of low VOC concentrated liquid colorants including at least at least white colorant; black colorant; and green-hued, blue-hued and red-hued primary colorants at least one of which primary colorants comprises polyalkylene glycol humectant, ethoxylated surfactant and extender pigment. For colorants in the array containing polyalkylene glycol humectant, the humectant and ethoxylated surfactant amounts are sufficiently high and extender pigment amount is sufficiently low so that the colorants will not problematically plug colorant dispenser orifices if left in the dispenser without an orifice cap for a full day. The polyalkylene glycol humectant is also present in an amount sufficiently low so that dried paint films made by mixing the colorants with a clear waterborne base paint will resist blocking.

The present invention is an aqueous coating composition having excellent freeze-thaw stability and a low-VOC content. The aqueous coating composition of the invention includes at least one latex polymer derived from at least one monomer and at least one polymerizable alkoxylated surfactant, at least one pigment, and water. In accordance with the invention, less than 3.0% by weight of anti-freeze agents based on the total weight of the aqueous coating composition are used in the composition. The present invention also includes a method of preparing an aqueous coating composition such as a latex paint including the above components.

Provided are polyhydroxy-diamine compounds for use as neutralizing agents for paints and coatings. The compounds are of the formula (I):and salts thereof, wherein R1 and R2 are as defined herein.

An aqueous latex coating composition and method of making an aqueous latex coating composition that comprises at least one oligomeric ethylene glycol derivative having the structure RO—(CH2—CH2—O—)n—H, at least one latex polymer, and water, wherein R is H or Cl-C4 alkyl and preferably H, and n is from 3 to 9, preferably from 3 to 8, and more preferably from 3 to 6. The oligomeric ethylene glycol derivative functions as both a coalescing solvent and freeze-thaw stabilizer without contributing to the VOC content of the composition.

The invention provides a self-crosslinking water-borne wood paint emulsion and a synthetic method thereof, relating to the technical field of coatings. The self-crosslinking water-borne wood paint emulsion contains the following raw materials in percentage by weight: 25%-60% of an acrylic emulsion, 2%-6% of isophorone diisocyanate, 2%-7% of glyceryl triacetate, 10%-45% of acrylic monomers, 20%-50%of a waterborne polyurethane resin emulsion, 0.2%-2% of an emulsifying agent, 3%-6% of nano-crystalline cellulose, 0.2%-1.5% of a defoaming agent and the balance of deionized water. By taking the self-crosslinking acrylic emulsion as a main raw material and utilizing the self-crosslinking acrylic monomers, isophorone diisocyanate, the waterborne polyurethane resin emulsion, glyceryl triacetate and nano-crystalline cellulose and other raw materials, the prepared self-crosslinking water-borne wood paint emulsion has relatively high crosslinking density, the hardness, boiling water resistance, solvent resistance, light remaining property, color remaining property and impact resistance of a coating film are relatively excellent, and the content of volatile organic compounds is low, so that the environmental pollution is avoided, and the human healthy is guaranteed.

The invention relates to a preparation of fluorine-containing water-based crackle paint and coating method thereof. The fluorine-containing water-based crackle paint is composed of water-based epoxy primer and water-based fluorine-containing finish paint. Paint, filler and auxiliary are added to a sand mill according to percentages by weight to be grinded to be less than or equal to 40 microns; epoxy resin is added for homogeneous mixing to constitute the water-based epoxy primer; paint, filler and auxiliary are added to water according to percentages by weight to be grinded to be less than or equal to 40 microns after stirring, and are then mixed with fluorine-containing resin emulsion to constitute the water-based fluorine-containing finish paint. The coating method is as follows: the water-based epoxy primer is brush-coated or spray-coated on a substrate, and the thickness of dry film of the water-based primer is controlled; after the surface of the dry film is dry, the water-based fluorine-containing finish paint is spray-coated on the epoxy primer. Compared with the prior art, the fluorine-containing water-based crackle paint has lower content of volatile organic compound, no pollution for the environment, no poison for operating staff, excellent coating performance, strong adhesive attraction, water logging resistance, scrub resistance, simple preparation technology, convenient operation and low cost.

An aqueous coating composition containing (i) a polymer having one or more acetoacetyl-functional groups; and (ii) an acid-functional polymer, which may be the same as or distinct from the polymer comprising acetoacetyl-functional groups, wherein a nitrogen-free base has been used to neutralize or partially neutralize the acid-functionality on the polymer.

The invention discloses two-component water-based matte clear finish paint. The finish paint comprises a substrate and a curing agent, wherein the substrate comprises the following components: in parts by weight, 75-82 parts of a water-based acrylic emulsion, 3-8 parts of a polyurethane dispersion, 1-3 parts of dipropylene glycol methyl ether, 1-3 parts of dipropylene glycol butyl ether, 0.4-0.6 part of a modified rheological agent, 0.2-0.5 part of an antifoaming agent, 0.1-0.3 part of a substrate wetting agent, 0.5-1 part of a leveling agent, 3-5 parts of waterborne matte slurry, 3-5 parts ofa waterborne wax emulsion, 0.05-0.2 part of aminomethylpropanol and 2-8 parts of ionized water, and the curing agent is composed of 75% of isocyanate, 12% of dipropylene glycol methyl ether, 12% of dipropylene glycol butyl ether and 1% of a water removal agent. The two-component water-based matte clear finish paint has the characteristics of quick drying, good adhesion, good abrasion resistance,high transparency and a fine smooth paint layer surface, and the content of volatile organic compounds in the finish paint is less than 150 g / L, and detection results of harmful substances are lower than limits of the harmful substances.

A water based intercoat coating composition containing (A) a polyester resin comprising, as essential components, an alicyclic polybasic acid (a1) and / or an alicyclic polyhydric alcohol (a2), other polybasic acid (a3) and other polyhydric alcohol (a4), (B) a blocked polyisocyanate curing agent, and preferably (C) a water-dispersible blocked polyisocyanate curing agent.

The invention relates to the technical field of materials and material use and a laying preparation method of a sports field, in particular to a water-based silicon PU adhesive and a laying method ofa water-based silicon PU adhesive sport field. Multilayer treatment is adopted, base layer construction is realized, cut seams are added, use in regions with more rainwater, dryness and changeable temperatures is guaranteed effectively, a base layer is firmer and more reliable and can prevent cracking of an upper coating, and the overall stability can be substantially improved. Multilayer roll coating is performed on a new formula of the water-based silicon PU adhesive, and performance of the sports field is further optimized by an elastic layer and a reinforcement layer. A surface layer is formed by the new formula of water-based silicon PU adhesive and quartz sand, and the performance is durable and stable on the premise that the surface layer is environmentally friendly, safe and brightin color.

The invention provides water-based externally coated metal printing whitewash and a preparation method thereof. The whitewash comprises the following components in percentage by mass: 30-50% of water-based epoxy modified acrylic resin, 5-10% of amino resin, 40-60% of titanium dioxide slurry, 5-20% of dipropylene glycol methyl ether and 0.1-0.3% of an adhesion promoter, wherein the titanium dioxide slurry comprises 20-30% of water, 0.1-1.3% of a wetting dispersant and 0.2-0.3% of a defoamer as well as the balance of titanium dioxide. The whitewash provided by the invention is crosslinked and cured through the water-based epoxy modified acrylic resin and the amino resin with a certain amount of an assistant and white slurry to obtain the water-based externally coated metal printing whitewash which is good in adhesive force, strength and machinability. The production cost is lowered, and meanwhile, the water-based epoxy modified acrylic resin is low in content of volatile organic compounds, low in toxicity, less in atmospheric pollution and beneficial for environmental protection.

The invention provides electrodeposition paint of reduced volatile organic compound content, in which specific polyether compound(s) having a molecular weight not more than 1,000 is(are) incorporated and which excel in corrosion resistance, electrocoating ability of rustproof steel sheet, film-forming ability, pin holing resistance and stability.

The invention belongs to the technical field of materials, and particularly discloses a light-weight automobile pillar protecting plate and a preparing method thereof. The light-weight automobile pillar protecting plate comprises a main-body composite material of the light-weight automobile pillar protecting plate and fabric for covering the main-body composite material of the light-weight automobile pillar protecting plate. The main-body composite material is prepared from, by weight, 60 parts to 79 parts of polypropylene, 10 parts to 20 parts of mineral powder, 5 parts to 10 parts of branched polypropylene, 0.2 part to 0.5 part of nucleating agent, 0.2 part to 1 part of antioxygen, 0.5 part to 1 part of lubricant, 1 part to 5 parts of scratching resisting assistant and 3 parts to 10 parts of functional master batch. According to the light-weight automobile pillar protecting plate and the preparing method, the micro-foaming technology and the in-mold decorating technology are combined, and the weight of a micro-foaming pillar protecting plate is reduced by 18% or above under the reinforcing effect of the fabric; under the condition, the strength of a workpiece can meet and even be higher than the requirements of the current automobile pillar protecting plate material standards, and the lightweight of automobile interior parts is achieved.

Provided are polyhydroxy-diamine compounds for use as neutralizing agents for paints and coatings. The compounds are of the formula (I):and salts thereof, wherein R1 and R2 are as defined herein.

This invention is directed to a method of preserving polymer emulsions against biodeteriogenic microbe attack and spoilage by combining with the polymer emulsions selected cationic compounds and an ethylenediamine acid compound. The polymer emulsions contain surfactants and / or anionic constituents. It is also directed to polymer emulsion compositions, that are resistant to spoilage by biodeteriogenic microbes, containing surfactants and / or anionic constituents, an ethylenediamine acid compound, and cationic compounds.

A tackifier composition comprising at least one thermoplastic hydrocarbon resin and an antioxidant composition is provided; wherein a portion of the volatile organic compounds in the thermoplastic hydrocarbon resin has been removed; wherein the antioxidant composition comprises at least one primary antioxidant and at least one secondary antioxidant; and wherein the levels of individual volatile organic compound monitored in the tackifier composition are less than about 0.5 ppm as measured by GC / MS headspace analysis. Processes for producing the tackifier composition are also provided as well as adhesives comprising the tackifier compositions.

The invention relates to the technical field of materials, and relates to a using, pavement laying and preparation method of a material, in particular to a permeable pavement adhesive and a using method thereof. The permeable pavement adhesive is suitable for an adhesive stone permeable pavement because an adhesive layer is high in strength, high in toughness, good in yellowing resistance and strong in adhesion after cured. The product has excellent wear resistance, weather resistance and aging resistance. The increase in use amount of stone further reduces the use amount of volatile organic compounds. The permeable pavement adhesive is good in fluidity, can be fully mixed with the stone to ensure the strength after laid, is good in construction performance, excellent in performance-priceratio, outstanding in wear resistance, strong in aging resistance and high in mechanical strength, is ensured to be unchanged in performance for a long time after construction, and solves the defectsof cracking, deformation and the like in extremely high and low-temperature weather.

The invention discloses anticorrosive and antibacterial organosilicone resin coating. The anticorrosive and antibacterial organosilicone resin coating is prepared from the following raw materials in parts by weight: 20-30 parts of epoxy modified organosilicone resin, 15-18 parts of a graphene / polypyrrole complex, 5-7 parts of silver-loaded silicon dioxide, 2-7 parts of nanometer titanium dioxide,6-10 parts of montmorillonite, 8-12 parts of carbon fiber, 8-12 parts of nanometer calcium carbonate, 10-15 parts of wet sericite, 3-8 parts of a bactericide, 25-35 parts of softened water, 2-5 partsof a thickener, 2-7 parts of a dispersant, 2-6 parts of a lubricant and 1-3 parts of a film-forming aid. The organosilicone resin coating is non-toxic and tasteless, does not produce irritating odor on the surface of a coating film during construction and after construction, has no impact on a human body, and is environment-friendly and safe; the construction time can be shortened, over-spraying is reduced, and a maintenance technology is greatly simplified; in addition, the preparation method is simple; the organosilicone resin coating has good sterilization, anticorrosion, elasticity, flexibility, water resistance and water-proof performance.

The invention discloses an air purifying coating capable of releasing anions and a preparation method thereof. The coating is composed of, by mass, 35-60% of hydroxyl polyurethane resin, 10-30% of anion powder, 2-5% of carboxyl polyester resin, 1.4-5.0% of functional aid, 4-6% of film forming aid, 0.2-0.5% of pH adjuster and the balance of water. When the hydroxyl polyurethane resin and the carboxyl polyester resin are in crosslinking reaction during curing, water molecules are generated, and tiny pinholes are formed in the surface of a film, so that anion release is facilitated; through synergism among the hydroxyl polyurethane resin, the carboxyl polyester resin and the anion powder, the coating has a function of continuously releasing the anions. The anion coating is low in volatile organic compound content, so that environment pollution can be reduced substantially, and the air purifying coating is environment-friendly.

Provided are polyhydroxy-diamine compounds for use as neutralizing agents for paints and coatings. The compounds are of the formula (I):wherein R1 and R2 are as defined herein.

The invention provides a water-based white finish for metal printing and a preparation method thereof. The water-based white finish comprises, by mass, 25%-55% of waterborne epoxy acrylic resin, 5%-15% of alkyd resin, 35%-50% of titanium dioxide slurry, 5%-25% of propylene glycol ether and 0.1%-0.4% of an adhesion promoter, wherein the titanium dioxide slurry contains 25%-35% of water, 0.1%-1.2% of a wetting and dispersing agent and 0.1%-0.4% of an antifoaming agent, with the balance being titanium dioxide. The water-based white finish for metal printing in the invention is prepared through cross-linking and curing of the waterborne epoxy modified acrylic resin and the alkyd resin and addition of certain auxiliary agents and the titanium dioxide slurry, and the prepared finish has good adhesion, strength and processing resistance and is reduced in production cost; meanwhile, the waterborne epoxy modified acrylic resin is low in the content of volatile organic compounds, low in toxicity, little in air pollution and favorable for environmental protection.

The invention relates to the technical field of materials, and relates to a material use method and a paving preparation method of sports field. The invention particularly relates to a water-based silicon polyurethane (PU) adhesive applicable to pavement of sports fields and a production method of the water-based silicon PU adhesive. The water-based silicon PU adhesive disclosed by the invention is reasonable in formula, and the product meets the requirements specified in the stand of GB / 14833-2011 (synthetic materials track surfaces). The performance indexes of impact absorption, vertical deformation and anti-slip value items, index requirements, compression recovery rate and rebound value performance all exceed the standard requirements. A track paved by using the material disclosed by the invention has a good damping effect in the aspect of track buffer property, so that sports injury caused by reactive force to ankles, joints and ligaments from the ground can be effectively relieved. Long-time dehydration treatment is adopted, so that the content of volatile organic compounds is greatly reduced, the content of volatile harmful substances such as benzene, formaldehyde and the like is lower than the national specified standard, and true odorlessness and harmlessness are achieved under sun exposure.

Provided are polyhydroxy-diamine compounds of the formula I: or salt thereof, wherein R1, R2, and R3 are as defined herein. The compounds are useful as low additives for paints, coatings and epoxy formulations.