82 results about "Propylene Glycol Diacetate" patented technology

The invention belongs to the field of coatings and relates to double-component waterborne glossy varnish and a preparation method thereof, in particular to scratch-resistant double-component waterborne glossy varnish and a preparation method thereof. The double-component waterborne glossy varnish comprises a component A and a component B, wherein the component A comprises hydroxyl polyacrylate containing secondary dispersoid, waterborne polyurethane dispersoid, a defoaming agent, a coalescing agent, a wax emulsion, a leveling agent, a thickener and water; the component B comprises propylene glycol diacetate and hydrophilic aliphatic polyisocyanate containing hexamethylene diisocyanate. The varnish has the characteristics of excellent glossiness, high fullness, good varnish film surface effect and the like and also has outstanding scratch resistance.

The invention relates to a liquid crystal orientation agent, a liquid crystal orientation film, a manufacturing method of the liquid crystal orientation film, and a liquid crystal display element. The liquid crystal orientation agent has good printing performance with respect to a substrate and good continuous printing performance and prevents swelling of printing plates. The liquid crystal orientation agent contains at last one polymer (A) selected from the group formed by polyamide acid, polyimide, polyamide acid ester and polysiloxane, a first solvent containing more than one of N-ethyl-2-pyrrolidone, 1,3-dimethyl-2-imidazolone, 3-methoxy-N, N-dimethylpropionamide and so on, and a second solvent containing more than one of propylene glycol diacetate, diethylene glycol diethyl ether, diisoamyl ether diacetone alcohol and so on.

The invention discloses an environmentally-friendly water-based two-component polyurethane coating and a preparation method thereof. The polyurethane coating is composed of an A component and a B component according to the mass ratio of (2.7-3.0):(0.9-1.0); the A component includes the following materials in percentages by weight: 35-40% of hydroxy acrylate dispersion I, 20%-24% of hydroxy acrylicdispersion II, 0.2%-1.0% of a defoaming agent, 2.0%-3.0% of dipropylene glycol butyl ether, 2.0%-3.0% of ethylene glycol butyl ether, 0.2%-1.0% of a levelling agent, 15%-38% of color paste, and 0.1%-0.3% of a thickener; and the B component includes the following materials in percentages by weight: 30%-33% of propylene glycol diacetate, 43%-49% of polyurethane curing agent I, and 18%-24% of polyurethane curing agent II. The water-based two-component polyurethane coating obtained by the method provided by the invention has better physical and mechanical properties such as hardness, abrasion resistance and flexibility, and performance of water resistance, salt spray resistance, heat and humidity resistance and aging resistance.

The invention relates to an optical grade hydrophobic and oleophobic antifouling anti-blue-ray screen protector. A first refractive material layer with a high refractive index and a second refractivematerial layer with a low refractive index are arranged between a base material layer and a protective layer, so that the light transmittance performance of the protector is increased, and the light transmittance reaches 98% or higher; a blue absorber is integrated into an upper PET (Polyethylene Terephthalate) protective layer, the anti-blue-ray effect of the protector is greatly improved, and the rejection rate of harmful blue rays reaches 83% or higher; biodegradable environmental-friendly silicone pressure sensitive adhesive layers are coated on the upper and lower surfaces of the base material so as to serve as release agent layers; non-toxic and environmental-friendly PMA (Propylene Glycol Methyl Ether Acetate), PGDA (Propylene Glycol Diacetate) and ethyl acetate are adopted as solvents, so that the screen protector is environmental-friendly, non-toxic and free of pollution; release force between the release film and the base material is light, and the screen protector is easy totear and free of residues; and the protector disclosed by the invention has excellent antibacterial property, wear resistance, scratch resistance and hydrophobic and oleophobic fingerprint-proof effects, and various performance indexes reach the standards.

The invention discloses a waterborne polyurethane coating. The waterborne polyurethane coating comprises a component A and a component B, wherein the component A is prepared from the following raw materials in parts by weight: 50-60 parts of water-based hydroxyl acrylic emulsion, 4-6 parts of a cosolvent, 0.3-0.4 part of a defoaming agent, 0.5-1 part of an ultraviolet absorber, 10-15 parts of silicon dioxide nano microspheres, 5-13 parts of deionized water, 1-2 parts of modified montmorillonite and 0.5-1 part of a composite antibacterial agent; and the component B comprises the following raw materials in parts by weight: 7-14 parts of an isocyanate curing agent and 3-6 parts of propylene glycol diacetate. The invention also discloses a preparation method of the waterborne polyurethane coating, and the waterborne polyurethane coating is high in water resistance and strong in adhesive force after being formed into a film by adding the ultraviolet absorber, the silicon dioxide nano microspheres and the modified montmorillonite; the coating is resistant to high temperature, good in mechanical performance, not prone to aging after being exposed to sunlight for a long time and long in service life.

The invention provides waterborne polyurethane high gloss finish paint for engineering machinery. The waterborne polyurethane high gloss finish is prepared from a finish paint main agent component A and a composite curing agent component B, wherein the weight ratio of the component A to the component B is equal to (2-6) to 1; every 100 parts of the component A is prepared from the following raw materials in parts by weight: 50-70 parts of emulsion, 3-25 parts of pigment, 5-20 parts of filler, 2-3.5 parts of a wetting and dispersing agent, 2-6 parts of a cosolvent, 0.2-1 part of a leveling agent, 0.2-1 part of a substrate wetting agent, 0.2-1 part of a thickener, 0.2-1 part of a pH regulator, 0.2-1 part of a defoaming agent and the balance of deionized water; the component B is prepared from the following raw materials in parts by weight: 35-75 parts of a curing agent 2655, 20-75 parts of a curing agent 3900, 5-10 parts of a curing agent 401-70 and 20-35 parts of propylene glycol diacetate. The waterborne polyurethane high gloss finish paint provided by the invention solves the problem that a thick-film thick coating is prone to prickly heat, is easy in construction, and does not need a pneumatic mixer; after uniform manual stirring is performed, the deionized water can be added for adjusting the viscosity for realizing construction; a paint film formed by the finish paint is superior in the environmental weather resistance aspects such as salt-spray corrosion, xenon lamp aging, acid and alkali resistance and heat resistance compared with the existing same type of paint.

The invention relates to a waterborne two-component polyurethane coating. The waterborne two-component polyurethane coating comprises a main agent and a hardening agent. The main agent comprises the following components in parts by weight: 15-20 parts of deionized water, 1-2 parts of dispersing agent, 15-21 parts of titanium dioxide, 4-6 parts of precipitated barium sulfate, 50-60 parts of waterborne hydroxy acrylic acid secondary dispersion, 4-6 parts of a cosolvent, 0.1-0.2 part of a pH regulator, 0.3-0.5 part of substrate wetting agent, 0.1-0.2 part of a defoaming agent, 0.3-0.5 part of a leveling agent, 0.5-1 part of a thickener and 0.1-0.3 part of a catalyst. The hardening agent comprises the following components in parts by weight: 70 to 80 parts of water-based isocyanate and 20 to 30 parts of propylene glycol diacetate. In addition, autonomously modified high-activity organic metal salt is selected as a catalyst and is added into the main agent. On the premise of not influencingcomprehensive performance, the invention provides a feasible scheme for improving the mechanical performance and chemical resistance of the coating and improving the hard drying speed of the water-based 2K-PU under the condition of room-temperature drying.

The invention relates to a light shading resin composition for color filter, the characteristic of which is that it contains 80~90 wt% of solvent and solid content; relative to solid content, it contains 8~35 wt% of acrylic acid series photosensitive resin, 45~65 wt% of black pigment, silicon surfactant or fluorin surfactant and initiator for photopolymerization whose HLB value is below 8. The viscosity of the resin composition is between 1.0 and 10.0mPa.s; relative to all solvents, it contains 30~50 wt% of the first solvent having a acetoxyl group in molecule, 0~25 wt% of propylene-glycol diacetate as the second solvent, 30~50 wt% of the third solvent having structure of 3-ethoxy propionic acid in molecule, 10~30 wt% of alicyclic compound having a carbonyl as the fourth solvent. Consequently, it has excellent evenness when coating, dryness of coating substrate and solid components' solubility.

An aim of the invention is to provide a solvent-containing composition which is used for manufacturing a laminated ceramic component. The solvent-containing composition can fully exert the adhesive performance of adhesive resins such as ethylcellulose and can form fin pattern or film in high precision at a state of no corrosion to the coated surface component. Furthermore the solvent-containing composition facilitates evaporation drying. The solvent-containing composition for manufacturing laminated ceramic component is characterized by comprising more than 1wt% and less than 60wt% of glycerol triacetate. More preferably, the solvent-containing composition for manufacturing the laminated ceramic component contains more than 1wt% and less than 60wt% of glycerol triacetate, and contains at least one component selected from the following components: propyleneglycol diacetate, propanediol propyl methyl ether, propanediol butyl methyl ether, propanediol thyl ether, dipropylene glycol propyl methyl ether, dipropylene glycol butyl methyl ether, etc.

The invention relates to water-based plant-based quick-drying polyurethane finish paint and a preparation method thereof, and belongs to the technical field of water-based paint. The paint comprises a component A and a component B; and the dosage mass ratio of the component A to the component B is (8-10):1. The component A comprises the following components: a water-based hydroxyl acrylic emulsion, a water-based ultraviolet light absorber, a neutralizer, a defoaming agent, a dispersing agent, a pigment, a flatting agent, a base material wetting agent, deionized water, a thickening agent and a catalyst; and the component B comprises aliphatic polyisocyanate and propylene glycol diacetate. According to the water-based plant-based quick-drying polyurethane finish paint, the chemical resistance and scratch resistance of high-end furniture water-based polyurethane finish paint are greatly improved, the drying speed of a paint film is increased, meanwhile, the content of VOC in a formula is greatly reduced, and the water-based plant-based quick-drying polyurethane finish paint better meets the environment-friendly requirement compared with products in the existing market.

The invention relates to the technical field of coatings, and discloses a metal surface heat reflection and heat insulation type waterborne polyurethane finishing coat, which comprises a component A and a component B. The component A comprises, by weight, 170-190 parts of purified water, 4-6 parts of a wetting agent, 12-14 parts of dispersing agent, 2-3 parts of a defoamer, 580-630 parts of water-based resin, 100-120 parts of infrared reflection pigment CICP, 12-20 parts of heat insulation powder, 20-30 parts of filler, 4-6 parts of a leveling agent, 4-6 parts of other auxiliaries and 35-45 parts of a cosolvent. The component B comprises the following components in parts by weight: 70-80 parts of a waterborne polyurethane curing agent and 20-30 parts of propylene glycol diacetate, and theweight ratio of the component A to the component B is 5: 1 or 6: 1. The coat has the advantages of favorable weather resistance, favorable temperature change resistance, favorable water resistance, favorable chemical resistance and favorable color retention property. The surface temperature of a coating system can be effectively controlled due to the sunlight reflection and heat insulation capabilities, and the storage stability, the construction performance and the like of the coating can be further improved due to the addition of the functional additive with reflection, heat insulation, environmental protection and energy conservation effects.

The invention discloses an environment-friendly wave-absorbing coating and a preparation method thereof, and belongs to the field of wave-absorbing materials. The environment-friendly wave-absorbing coating comprises 7-73% of matrix resin, 9-63% of a wave-absorbing agent, 4-26% of a solvent, 0.5-2% of a dispersing agent, 0.4-1% of an anti-settling agent and 1-12% of a curing agent; wherein the solvent is selected from at least one of dimethyl carbonate, tert-butyl acetate, dimethyl adipate, dimethyl glutarate, dimethyl succinate, propylene glycol diacetate and propylene glycol methyl ether acetate. The environment-friendly wave-absorbing coating does not contain benzene, ketone and other solvents with high toxicity, high harm and carcinogenic risk, and has the advantages of environmental friendliness, low toxicity, low harm and no pollution; and a cured coating has good mechanical property and wave-absorbing property. The invention also provides a preparation method of the environment-friendly wave-absorbing coating.

The invention relates to the technical field of automobile volatile odor detection, in particular to a method for detecting odor substances of a whole automobile. The method comprises the following steps: (1) putting an adsorbent into a container containing vehicle odor substances, and adsorbing the odor substances; (2) putting the adsorbent adsorbing the odorous substances into a headspace bottle, desorbing the odor substances in the headspace bottle, and introducing the odor substances into GC-O/MS; and (3) separating through GC-O/MS and qualitatively and quantitatively detecting the components and content of the odor substances in the whole automobile. The method can accurately detect the odor substance components such as benzene, methylbenzene, dimethylbenzene, ethylbenzene, styrene, formaldehyde, acetaldehyde and acrolein in the conventional VOC content standard of the automotive trim material and can also accurately and quantitatively detect certain trace odor components such asdimethyl heptane, cyclohexanone, propylene glycol diacetate and decanol so as to avoid missing of detection of the odor substance components in the whole automobile.

The invention discloses waterborne polyurethane resin and a preparation method thereof, and belongs to the field of preparation of waterborne polyurethane. The waterborne polyurethane resin comprisesthe following components as raw materials in parts by weight: 30-40 parts of an NCO component, 50-115 parts of polyol, 8-10.5 parts of a chain extender, 0.05 part of a catalyst, 3.5 parts of a neutralizer and 180-230 parts of a solvent, wherein the polyol contains 20-30 parts of 12-hydroxystearic acid modified polyol; the chain extender contains 5 parts of a hydrophilic chain extender; the solventis a mixed solvent of one or more of propylene glycol methyl ether acetate, propylene glycol diacetate, propylene glycol methyl ether propionate, dimethyl carbonate, diethyl carbonate and dipropyl carbonate and deionized water. The waterborne polyurethane resin is prepared by a non-acetone method, has good stability and adhesion fastness to a plastic film, and is especially suitable for water-based ink for food package printing.

The printing past used for absorption of electrode height difference for making laminated ceramic electronic part, the characteristic of which is that it contains ceramic powder and organic carrier and is used combinedly with ceramic young tablet containing butyral resin whose thickness is below 5 micrometer. The main composition of solvent in the organic carrier is 1, 2-propylene glycol diacetate. Even the ceramic young tablet is thinned, tablet etching can be prevented effectively by using the printing past used for absorption of electrode height difference of the invention.

The invention provides a polyester polyurethane high-gloss white stoving varnish and a coating process thereof, and belongs to the field of coatings. The stoving varnish is composed of the following raw materials in percentages by mass: 35.0-45.0 wt% of polyester polyurethane resin, 1.5-3.5 wt% of a neutralizing agent, 0.5-3.0 wt% of a dispersant, 10.0-20.0 wt% of titanium dioxide, 0.2-1.0 wt% ofan anti-settling agent, 0.1-0.5 wt% of an antifoaming agent, 0.2-1.5 wt% of a bactericide, and 30.0-50.0 wt% of deionized water; and the polyester polyurethane resin is prepared from the following rawmaterials in terms of mass percentage of the polyester urethane resin: 16.0-26.0 wt% of trimethylolethane, 4.0-6.0 wt% of pentaerythritol, 10.0-15.0 wt% of 2,2-dimethyl-1,3-propanediol, 6.0-10.0 wt%of isophthalic acid, 8.0-12.0 wt% of adipic acid, 12.0-17.0 wt% of propylene glycol diacetate, 7.0-11.0 wt% of dimethylolpropionic acid, and 18.0-22.0 wt% of a partially-blocked isocyanate curing agent. The polyester polyurethane high-gloss white stoving varnish provided by the invention performs end capping on an isocyanate curing agent, avoids the problem of an activation period and improves storage stability.

The invention relates to the technical field of water-based intermediate coating, in particular to polishing-free water-based intermediate coating for rail transit and a preparation method thereof. The intermediate coating comprises a component A and a component B. The weight ratio of the component A to the component B is 4:1, wherein the component A is prepared from waterborne polyurethane resin,hydroxyl acrylic acid dispersion, an amine neutralizer, a non-silicon high polymer defoaming agent, pigment, filler, a coalescing agent, an anti-settling agent, a thickening agent and deionized water; the component B comprises an isocyanate curing agent and propylene glycol diacetate. The preparation method comprises the following steps: (1) preparing the component A; (2) preparing the componentB; and (3) mixing the component A and the component B. The intermediate coating is low in surface dyne value and good in interlayer adhesion effect with finish paint, and polishing is not needed.