53results about How to "Good outdoor durability" patented technology

Disclosed are aliphatic polyester resins containing 2,2,4,4-tetramethyl-1,3-cyclo-butanediol and solvent borne, thermosetting coating compositions prepared therefrom. The aliphatic polyesters exhibit good hardness and flexibility when formulated into thermosetting coatings compositions.

Disclosed are solvent borne thermosetting coating compositions containing curable, aliphatic polyesters, acrylic copolymers, crosslinkers, and nonaqueous solvents. The aliphatic polyesters contain 2,2,4,4-tetramethyl-1,3-cyclobutanediol. Blends of acrylic copolymers with these aliphatic polyesters exhibit good compatibility, viscosity reduction, and good Tg retention. Coating compositions formulated from these blends exhibit high gloss, hardness with flexibility; solvent and chemical resistance; and outdoor durability.

Disclosed are aliphatic polyester resins containing specific molar quantities of 2,2,4,4-tetramethyl-1,3-cyclobutanediol, and solvent borne, thermosetting monocoating compositions prepared therefrom. The aliphatic polyesters exhibit good hardness and flexibility when formulated into thermosetting coatings compositions.

The invention discloses an environment-friendly imitation-stone elastic exterior wall coating, and relates to the technical field of coatings. The environment-friendly imitation-stone elastic exterior wall coating is prepared from silicone acrylic emulsion, natural colored sand, acrylic resin, silicone acrylic resin, cellulose ether, lignocellulose, 2,2,4-trimethyl-1,3-pentanediolmono(2-methylpropanoate), talcum powder, barium sulfate, a defoaming agent, an anti-corrosion agent, a damp-proof agent and the balance deionized water. The environment-friendly imitation-stone elastic exterior wall coating is excellent in water resistance and alkali resistance, excellent in stain resistance, good in stability and attractive and lasting in decoration effect.

The invention discloses a nanometre modified high self-cleaning solar heat reflecting paint and a preparation method thereof. The preparation method comprises the steps of firstly, adding deionized water to an agitator tank, then adding a wetting dispersant to agitate, and orderly adding nanosilicon dioxide, titanium dioxide and padding at the rotating speed of 400-600r/min; stirring for 10-15min, and then adding a defoamer, an assistant and mildew fungicide, and dispersing for 20-30min at high speed of 800-1200r/min; grinding until the fineness is less than 10 microns with a sand mill to form mill base, and then adding fluorocarbon resin emulsion, a coalescing agent, a flatting agent, organic silicon resin and a PH regulator to evenly stir and filter, so as to prepare the nanometre modified high self-cleaning solar heat reflecting paint. The nanometre modified high self-cleaning solar heat reflecting paint is hydrophobic and oleophobic; greasy dirt and dust are difficult to attach to the surface; not only is the beautiful appearance kept, but also the reflectivity of sunlight is effectively improved, and the cleaning work is also reduced.

The invention discloses a high-reflectivity weather-resistant powder coating material and a preparation method thereof, and belongs to the field of coating materials. The production process comprises:weighing raw material ingredients according to a formula, placing into a mixer, and mixing and stirring; placing the mixture into an extruder, and carrying out melting mixing extrusion; and cooling the extruded sheet-like clinker, pouring the cooled sheet-like clinker into a crusher, grinding, screening to obtain powder, and carrying out packaging warehousing. According to the present invention,the reflectivity of the high-reflectivity weather-resistant powder coating material to ultraviolet long wave and medium waves and infrared rays is up to more than 90%; the high-reflectivity weather-resistant powder coating material has good weather resistance, and is the coating material with characteristics of environmental protection, zero VOC emission, long life, strong adhesion and energy saving; and the high-reflectivity weather-resistant powder coating material has high reflectivity and excellent temperature resistance compared to the conventional powder, such that the color is soft after the coating material is applied to the lamp shade surface; and the high-reflectivity weather-resistant powder coating material has energy saving effect in daily household lamps, industrial and mining enterprises and public lighting facilities.

The invention discloses a micro arc oxidation composite stain resistant coating and a production method thereof. The production method specifically comprises the following steps that 1, a well prepared metal board substrate is mechanically polished, and the corners and the hiding parts are polished through manpower assistance; 2, the metal board substrate polished in the step 1 is placed into a ultrasonic cleaner to be rapidly washed by adding clean water and a sodium hydroxide solution and utilizing ultrasonic waves; 3, the washed metal board substrate in the step 2 is rapidly blown dry in warm air, the greasy stains and rusty spots on the surface of the substrate are removed; and 4, a micro arc oxidation electrolytic solution of potassium hydroxide, sodium sulfate and potassium fluorideis prepared and aged for stand-by application. The production method utilizes a coating machine to spray a layer of silicone fluoride modified coating on the surface of a ceramic layer, the silicone fluoride modified coating has the good anti-adhesion performance, anti-graffiti performance, outdoor durability, cold and hot resistance, stain resistance, anti-scrubbing performance and solvent resistance, and is waterproof and anti-creeping.

The invention discloses exterior wall coating, and in particular relates to high-strength antifouling nanometer exterior wall coating, which is produced for the architectural decoration industry. The high-strength antifouling nanometer exterior wall coating comprises the following components in parts: 1-10 polyvinyl alcohol, 30-50 isobutyl alcohol, 10-20 sodium pyrophosphate, 1-5 high-strength cellulose, 400-500 nano titanium dioxide, 120-150 calcite powder, 100-120 sierozem powder, 300-400 water, 15-35 water glass and 10-30 bentonite. Used as the exterior wall decorative coating, the invention has the advantages of high hardness, washability and long storage period, favorably inhibits propagating growth of mildew and algae, and has better elastic extensibility in order to better adapt to surface layer cracking caused by deformation of a base layer and has a covering function for fine cracks of the base layer; and the high-strength antifouling nanometer exterior wall coating also has the characteristics of better metal texture, over-long outdoor durability and low production cost with respect to an imitation aluminium-plastic plate decorative effect.

The present invention provides a multilayer film which reflects light within a specific band, and which is free from the problem of delamination that occurs in cases where a polyethylene naphthalate resin is used therefor. A multilayer film which has 201 or more layers obtained by alternately laminating layers A that are formed of a polyester A containing ethylene-2,6-naphthalate as a main repeating unit and layers B that are formed of a polyester B containing ethylene terephthalate as a main repeating unit and having a refractive index lower than that of the polyester constituting the layers A. This multilayer film is characterized in that the polyester A satisfies the following requirements. (1) The amount of terminal carboxylic acid groups is from 5 eq/t to 20 eq/t (inclusive). (2) An alkali metal phosphate salt is contained in an amount of from 1.3 mol/ton to 3.0 mol/ton (inclusive), and phosphoric acid is contained at a molar ratio of from 0.4 times to 1.5 times (inclusive) relative to the alkali metal phosphate salt. (3) The intrinsic viscosity is from 0.55 to 0.63 (inclusive).

The invention discloses a polymer composite for board modification and a preparation method thereof. The polymer composite includes the following components of, by weight, 296 parts of polymer monomer, 20-40 parts of modifier, 6-12 parts of protective colloid, 1.5-3.0 parts of initiator, 300-600 parts of water and the balance acid solution and aqueous alkali for adjusting the pH value. The polymer monomer is one or more of crylic acid and acrylics. The modifier is a silane coupling agent. The protective colloid is one of sodium polymethacrylate, polyving akohol, nano-crystalline cellulose and sodium carboxymethylcellulose. The initiator is ammonium persulfate or potassium peroxodisulfate. The polymer composite for board modification can react with calcium ions in boards, can be solidified into a waterproof layer with excellent waterproofness, and is an ideal material in the board machining process.

Disclosed is a nonsticking coating and method for preparation, which comprises component A, B and C, wherein the component an accounts for 54-76% and comprises 30-45 wt% of alkide resin, 35-30 wt% of solvent gasoline, while the component B accounts for 18-38% and comprises 10-30 wt% room temperature sulfuration methyl silicone rubber, 70-90 wt% toluene, the component C accounts for 5-10% and employs saw timber.

The invention discloses epoxy grafted graphene finish paint for a new energy automobile. The epoxy grafted graphene finish paint is prepared from an ingredient A and an ingredient B according to a mass ratio of (10 to 12):1. Firstly, graphene is subjected to acidification treatment in concentrated nitric acid; then, formed carboxyl is subjected to acylating chlorination by thionyl chloride, and then takes an acylation reaction with ethylene glycol, so that hydroxy is introduced on a graphene surface; next, stearic acid is grafted by using dimethyl formamide as a solvent; a grafting matter capable of being effectively dispersed among epoxy resin is obtained. The epoxy finish paint has good corrosion resistance, excellent outdoor durability and high adhesive force; the surface hardness of the finish paint is good; the scratch resistance performance is high; the stability is good; the falling cannot easily occur; the comprehensive performance is excellent.

The invention relates to the technical field of coatings, and particularly discloses a water-based acrylic amino baking paint and a preparation method thereof. The water-based acrylic amino baking paint comprises, by mass, 15-30% of an epoxy modified acrylic resin, 5-10% of organic silicon and organic fluorine copolymer resin, 4-10% of high methylated melamine resin, 3-5% of a cosolvent, 2-4% of glass powder, 1-2% of a pH regulator, 0.5-1% of an antifoaming agent, 0.5-1.5% of a dispersant, 0.3-0.5% of a base material wetting agent, 0.5-1% of nano-silver, 1-2% of siloxane, 3-5% of a nanometer metal oxide dispersion, 0.2-0.4% of a leveling agent, 10-25% of a pigment, and the balance of deionized water. The water-based acrylic amino baking paint has the advantages of good wear resistance, strong adhesive force, good water resistance, good weather resistance, good impact resistance, and no sweat retention or bacteria breeding on the surface.

The invention discloses polyaspartic acid ester craft paint and a preparation method and application thereof. The polyaspartic acid ester craft paint is prepared from, in parts by weight, a main agentand a hardening agent, wherein a ratio of the main agent to the hardening agent is 100 to (60 to 80). The polyaspartic acid ester craft paint has protective and decorative effects on wood and plasticbase materials, and film has excellent ageing-resistant performance so that product use time can be greatly prolonged; the paint has the characteristic of low VOC emission, so that the national environmental-protection requirements are met; the film has the characteristic of high drying speed so that a production man-hour can be saved; the paint has extra-high construction adaptability; the filmhas certain wear resistance and elasticity so that scratches and collision in a transportation process can be reduced; the film has good image distinctness and richness, so that a workpiece is attractive as a whole.

The invention discloses an integrated robot joint module which comprises a joint shell and an end cover. A frameless motor is installed in the joint shell through an annular clamping groove, and a rotor is arranged in the frameless motor. One side of the frameless motor is provided with a low-voltage motor driver through fastening bolts. The other side of the frameless motor is provided with a bearing block through fastening bolts. A hollow input shaft is installed in the bearing block through a first bearing, and the hollow input shaft is sleeved with the rotor. One end of the hollow input shaft is fixedly connected with a harmonic reducer, and the harmonic reducer is located at the end of the joint shell. The output end of one side of the harmonic reducer is fixedly connected with a joint output disc, and a hollow output shaft is welded to one end of the joint output disc. One side of the low-voltage motor driver is provided with a second bearing through a round installation groove.According to the integrated robot joint module, the transmission structure is simplified, the internal structure is compact, installation and maintenance are more convenient, the dust-proof performance and heat dissipation performance are good, the working stability of the robot joint module is effectively guaranteed, and the service life is prolonged.

The invention discloses bright-color super-weatherability exterior wall latex paint and a preparation method thereof. The bright-color super-weatherability exterior wall latex paint is prepared from,by weight, acrylic emulsion, organic color paste, a dispersing agent, a wetting agent, a defoaming agent, a sterilizing agent, a mildew preventive, a light stabilizer, a rheology modifier and pure water. The water-based self-crosslinking pure acrylic emulsion forms an anti-sticking paint film; the sebacate light stabilizer weakens the damage of ultraviolet irradiation to the stability of the paintfilm, and can inhibit the photooxidation of the paint film, thereby enhancing the damage loss of the gloss to the physical properties of the coating. The stability of the organic color paste is protected so that the organic color paste has good light resistance and weather resistance, the flexibility, the adhesive force, the waterproofness and the appearance brightness of the coating are kept, and finally, the durability and the service life of the coating are remarkably improved and prolonged.

The invention discloses a polystyrene peach wood product. The polystyrene peach wood product is prepared by mixing color particles with different colors and wood grain agents and extruding the mixture, wherein the color particles comprise 60-80 parts of the red particles and 20-40 parts of the brown particles, the wood grain agents comprise 0.1-0.3 part of the brown wood grain agent and 0.1-0.6 part of the black wood grain agent, the color particles are prepared from, by weight, 70-80 parts of recycled polystyrene, 5-10 parts of modified polystyrene, 5-10 parts of foamed polystyrene, 1-5 parts of ABS, 1-10 parts of filler, 0.1-1 part of an antioxidant, 0.05-0.2 part of a plasticizer, 0.1-1 part of a flame retardant and 1-10 parts of pigments, and the wood grain agents are prepared from, by weight, 20-60 parts of modified polystyrene, 20-60 parts of ABS, 1-10 parts of polymeric carbon (PC) and 10-30 parts of pigments. Accordingly, the imitation wood product is prepared from polystyrene foamed waste and recycled packaging materials, and therefore environmental pollution is reduced.