36results about How to "Reduce VOCs" patented technology

The present invention is directed to a polymeric vehicle, the formulated coating composition and a coating binder made from the polymeric vehicle and a method for making the polymeric vehicle where the polymeric vehicle includes a phenol blocked isocyanate having reactive aliphatic hydroxyl groups. The phenol blocked isocyanate may be made from a phenolic ester alcohol having at least one aliphatic hydroxyl group and one phenolic hydroxyl group.

A thermoplastic resin composition and a molded article produced therefrom. The thermoplastic resin composition includes about 100 parts by weight of a thermoplastic resin and about 0.5 to about 30 parts by weight of zinc oxide. The zinc oxide has a peak intensity ratio (B/A) of about 0.01 to less than about 0.1, where A indicates a peak in the wavelength range of 370 nm to 390 nm and B indicates a peak in the wavelength range of 450 nm to 600 nm in photoluminescence measurement. The thermoplastic resin composition can exhibit good properties in terms of deodorization, impact resistance, and the like.

Ethylsilicate polymers and a method of making, specifically ethylsilicate polymer binders with reduced levels of regulated volatile organic compounds (VOCs) for use in the coatings industry and casting industry, and more specifically to stable, fast cure ethylsilicate polymer binders with low levels of regulated VOCs.

The invention discloses a photocatalytic oxidation and molecular sieve absorption catalytic oxidation method for industrial waste gas VOCs. The method comprises the steps of waste gas pretreatment, carbon chain cutting, active oxygen preparation, first-time catalytic oxidization, molecular sieve adsorption and second-time catalytic oxidation. According to the method, the technology is simple and convenient to operate, the emission concentration of the organic waste gas VOCs and ozone can be significantly reduced, secondary pollution is avoided, the power of a photocatalytic oxidation technology is reduced, and energy sources are saved.

The invention provides an aluminum strip for cigarette package ink. A preparation process is as the follows: under a heating condition, carrying out functionalization modification on a surface of an aluminum sheet by cooperation of partial free acrylic acid and/or acrylic acid ester in a solution and cellulose functional molecules, carrying out a free radical polymerization reaction on residual acrylic acid and/or acrylic acid ester on the surface of the aluminum sheet to form a polymer serving as molded resin, and carrying out pressure filtration, hydraulic extrusion molding and vacuum staticbaking on the materials to obtain the aluminum strip. The preparation raw materials comprise a solvent, an initiator, aluminum paste, a component A and a component B, wherein the component A comprises at least one selected from hydroxypropyl methacrylate, methyl methacrylate, hydroxyethyl acrylate, isobornyl acrylate, butyl acrylate and methacrylic acid, and the component B comprises at least oneselected from cellulose acetate butyrate, cellulose acetate propionate and cellulose nitrate. According to the invention, functionalization of the surface of the aluminum sheet and one-step generation of the molded resin are realized, and the aluminum strip product has excellent metal effect, striping property and printing adaptability.

The invention discloses a sewage processing equipment. The sewage processing equipment comprises an ionization device, a paint slag tank, a multistage liquid flow device, a clear water tank, a bag-type filtering device, a dewatering device, and an electric appliance control cabinet; sewage is delivered into the ionization device from a sewage tank of a workshop for ionization decomposition treatment to remove most scum, then is delivered into the multistage liquid flow device for a plurality of times of filtering, and is delivered through the bag-type filtering device for further filtering and purifying so as to achieve using standards or discharge standards. The sewage processing equipment can be used for processing sewage generated in workshop, and then the obtained processed sewage can be recycled directly; the structure is simple; occupied space is small; no dug is added in sewage processing; processing cost is low; recycling of sewage is realized; no sewage is discharged; after processing, the obtained water molecules are small; surface tension is low; degreasing effect is excellent; viscosity is low; blocking of water pipes is not caused; growth of bacteria and mould in water is inhibited; water corruption is prevented; and deodorization effect is achieved.

The invention provides a high-wear-resistance high-adhesive-force modified epoxy amino baking varnish and a preparation method thereof. The baking varnish comprises an organosilicon-modified epoxy resin, a polyethyleneglycol-modified amino resin, a cellulosic resin, polydimethylsiloxane, deionized water, nano tin oxide, a titanate coupling agent, isopropanol, a water-based monomer, a pH neutralizer, a cosolvent, a wetting and dispersing agent, a defoamer, a thickener, an emulsifier, and a pigment and filler. By using the organosilicon-modified epoxy resin and polyethyleneglycol-modified amino resin as the main components of the epoxy amino baking varnish, the modified epoxy resin and amino resin can effectively enhance the hardness of the paint film. The composition design is reasonable; the deionized water is used as the solvent for dilution, and thus, is environment-friendly; the baking varnish has the advantages of higher wear resistance, high wear resistance, favorable ductility, high-temperature resistance and long service life; and roller coating is used instead of spray coating, thereby effectively improving the production environment and being beneficial to good health of workers.

The invention discloses waterborne two-component varnish and a preparation method thereof. The waterborne two-component varnish is formed by mixing a component A and a component B in the mass ratio of(2.5-3.5):1, wherein the component A comprises, by weight, 25-40 parts of waterborne acrylic resin, 25-40 parts of waterborne polyester resin, 0.1-1 part of base material wetting agent, 0.1-1 part offlatting agent, 0.1-1 part of defoaming agent, 0.1-1 part of ultraviolet absorbent, 0.1-1 part of bactericide, 5-10 parts of cosolvent, 0.1-1 part of thickening agent and 2-5 parts of carboxymethyl chitosan; the component B comprises, by weight, 40-60 parts of isocyanate curing agent, 0.1-1 part of adhesion promoter and 40-60 parts of cosolvent. The fullness, glossiness, flatting property, construction performance and mechanical properties of the varnish can reach the standards of high-performance oily varnish and are higher than those of existing waterborne varnish, and the varnish has the advantage of being low in content of VOCs.

The invention provides an acrylic modified energy-saving environment-friendly roller-coating paint for metal deep drawing sheets and an application method thereof. The paint comprises a white primer and a finish paint. The paint has the advantages of high adhesive force, favorable ductility, high temperature resistance and long service life, changes the processing technique of the metal sheet products, simplifies the processing procedure, centrally completes the roller coating treatment on the metal deep drawing sheet, and does not need to independently arrange any spray workshop.

The invention discloses a manufacturing method and a product of hemp fiber composite mould pressing automobile interior parts, wherein the automobile interior product is prepared by compositely mould-pressing hemp fibers and urea-modified phenolic resin. Mixed hemp fibers including one or more of natural jute, kenaf and flax are carded and are spread on a screen into continuous hemp felt, and then the continuous hemp felt is impregnated in an adhesion agent prepared by mixing 15-35% of the urea-modified phenolic resin, 5-10% of tannin extract, 5-10% of sodium hydroxide and water; the hemp felt is then dried to form green body felt being 8-10% in water content. The green body felt is cut, is spread in a moulding die at 150-200 DEG C and is pressed for 120-180 s under 3-5 MPa. The die then is opened and the pressed felt is taken out. The felt is finally deburred to remove residual edge materials, and pores are formed and the felt is coated to produce the automobile interior product. The hemp fibers are environment-friendly and are degradable. With the modified phenolic resin as the adhesion agent, the moulded product has high strength, light weight and low deformation, and is low in VOCs in automobile. The method has short mould pressing time and low cost.

The invention discloses an automobile wire harness winding flame-retardant environment-friendly adhesive tape, which comprises a paper tube mechanism and header paper, wherein an adhesive tape body is bonded to the outer wall of the paper tube mechanism, and the header paper is attached to the outer wall of the adhesive tape body. According to the invention, by adopting a flame-retardant halogen-free polyvinyl chloride mixture, a water-based environment-friendly flame-retardant adhesive and a water-based environment-friendly auxiliary agent, the product simultaneously meets the requirements of environmental protection and flame retardance due to the addition of the water-based halogen-free flame retardant while the environmental protection performance of a water-based adhesive system is met, so that the whole adhesive tape has the advantages of environmental protection, low odor, low VOCs, low atomization and super-bright surface, replaces a traditional PVC wire harness winding product, reduces the probability of smell, VOC and pollution, is easy to manufacture, easy and convenient to operate, high in reliability, quite suitable for large-scale and specialized production of automobile wire harness winding products, and solves the problem that in the prior art, consumers relate to smell in the automobile industry.

The invention relates to the field of ink, in particular to anti-fading and anti-aging ink and a preparation method thereof. The printing ink comprises printing ink base liquid and microcapsules uniformly dispersed in the printing ink base liquid, and the microcapsule comprises a mineral pigment particle core and a modified acrylic resin shell wrapping the mineral pigment particle core. The pigment in the anti-fading and anti-aging ink prepared by the invention forms a stable microcapsule structure by coating the modified acrylic resin outside the extremely stable mineral pigment particles, so that the printing ink has super-strong color fading and aging resistance, and the color of a printed packaging product is enduring. The ink disclosed by the invention has the beneficial effects of fading and aging resistance, low VOCs (Volatile Organic Compounds), strong printing ink hydrophobicity and strong paper permeability, and is suitable for traditional offset printing and tap water offset printing.

The invention provides a method for preparing a water dispersion type cathode epoxy electrophoretic paint. The electrophoretic paint is prepared from the following raw materials in parts by weight: 40-50 parts of water-soluble epoxy resin, 20 parts of water, 10 parts of kaolin, 5 parts of carbon black, 2 parts of a dispersant, 0.5 part of a defoaming agent and 0.3 part of a catalyst. The method comprises the following steps: introducing a hydrophilic group into a molecular chain of epoxy resin, dissociating kation from water, and carrying out dispersion emulsification to obtain water dispersion type epoxy resin; mixing and stirring the water dispersion type epoxy resin with the kaolin, the carbon black, the catalyst, the dispersant and the defoaming agent for a preset time to obtain uniform slurry; grinding the uniform slurry till a uniformly distributed particle size and preset fineness to obtain the electrophoretic paint. By adopting embodiments of the invention, the electrophoreticpaint which is good in water dispersibility can be prepared.

The invention discloses a polyurethane foaming material and a preparation method thereof. The polyurethane foaming material is prepared by taking 10-90 parts by mass of thermoplastic polyurethane elastomers as a framework material, reacting with 10-90 parts by mass of isocyanate-terminated polyurethane, water, a catalyst and a selectively added functional additive for foaming, and preparing by anextrusion method, wherein the mass ratio of water to isocyanate-terminated polyurethane is 0.1%-10%; the mass ratio of the catalyst to isocyanate-terminated polyurethane is 0.1%-3%; the mass ratio ofthe functional additive to the polyurethane foaming material is 0-10%; and the content of isocyanate radicals in the isocyanate-terminated polyurethane is 1wt%-25wt%. The polyurethane foaming materialhas the characteristics of simple production process, low density, high/low temperature resistance, extremely low VOC, extremely low compression deformation and the like, and has good application prospects in the fields of sealing, shock absorption, weight reduction, shoe materials and the like.

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 polymer synthesis, and discloses a polymer emulsifier, and a preparation method and application thereof. The preparation method comprises the following steps: S1, blending grease fatty acid, vegetable oleic acid and polyol, and carrying out esterification dehydration to obtain a first intermediate; S2, adding tristyrylphenol polyoxyethylene-polyoxypropylene block polyether into the first intermediate, blending, and then performing phosphorylation treatment to obtain a second intermediate; and S3, neutralizing the second intermediate with amine to obtain the polymer emulsifier. The polymer emulsifier obtained by the invention is excellent in emulsifying property, low-viscosity water-based alkyd resin and coating can be obtained in the presence of a small amount of cosolvent, and VOCs of the coating can be reduced.