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1637results about "Reflecting/signal paints" patented technology

Composition of a thermaly insulating coating system

A composition for a Coating System (paint) which forms an insulating material being designed to both reflect infrared radiation and have reduced thermal conductivity. The coating system may be either a single Thermal Coating or may be a Thermal Coating used in combination with a Thermal Primer. The Thermal Coating is formulated using conventional techniques and a resin used in paint manufacture, but utilizes primary pigments and extender mineral pigments which preferentially reflect in the infra red area of the solar spectrum. A method of characterizing particulate materials for their infra red reflectivity is described, which provides a means for preferential selection of particulate additives based on their relative visible light and infrared reflectivity. Additionally the incorporation of hollow micro-spheres is desired to reduce thermal conductivity. The Thermal Primer is designed to provide adhesion between the Thermal Coating and the substrate on which it is applied and uses conventional techniques to achieve those properties. However it has been found advantageous to incorporate hollow micro-spheres with low thermal conductivity, such as glass, ceramic or polymeric micro-spheres and/or an extender pigment with low thermal conductivity such as calcined clay to further reduce heat flow through the Coating System.

Water-based light reflex industrial insulation coating and preparation method thereof

The invention relates to an industrial coating, in particular to a water-based industrial insulation coating with light reflection, heat insulation and corrosion protection effects and a preparation method thereof. The coating is prepared from the following components in percentage by weight: 25 percent to 50 percent of polymer emulsion, 5 percent to 30 percent of light reflective filler, 1 percent to 5 percent of nanofiller, 5 percent to 10 percent of heat-insulating filler, 5 percent to 10 percent of anti-corrosion filler, 5 percent to 8 percent of normal filler, 0 percent to 10 percent of curing agent, 1 percent to 5 percent of dispersing agent, 0.1 percent to 4 percent of coalescing agent, 0.1 percent to 2 percent of thickening agent, 0 percent to 1 percent of defoaming agent, 0.01 percent to 0.5 percent of PH (Potential Of Hydrogen) regulator, 0.1 percent to 2 percent of wetting agent, 0.5 percent to 1 percent of antifreezing agent, and the balance of deionized water. The coating provided by the invention has the effects on light reflection, heat insulation and corrosion protection at the same time, can be applied in the fields of storage tanks, pipelines, outdoor equipment, containers and the like, has the characteristics of safety, nontoxicity, environmental protection and pollution free, and has favorable weather fastness, stain resistance, salt fog resistance and scrubbing resistance.

High-temperature-resisting heat-insulation coating as well as preparation method and application thereof

The invention relates to the field of functional coatings and particularly relates to a high-temperature-resisting heat-insulation coating and a preparation method thereof. The high-temperature-resisting heat-insulation coating is composed of the following raw materials in percentage by mass: 10%-40% of high-reflection paint with a shell-core structure, 10%-40% of heat-insulation powder with the shell-core structure, 1%-5% of a toughening agent, 10%-50% of a high-temperature bonding agent, 1%-10% of a coating auxiliary agent, and the balance of water. The preparation method comprises the following steps: mixing, dispersing and grinding raw materials; carrying out homogenization to enable an average grain diameter to be 325-400 meshes; and filtering and packaging to obtain a finished product. The high-temperature-resisting heat-insulation coating can be applied to high-temperature fields of industrial furnaces, industrial boilers, high-temperature steam pipelines, petroleum cracking equipment, engine parts, high-temperature smelting, sintering furnaces and the like, and can be used under a higher temperature for long time; the energy consumption can be saved and the service life of the furnaces is prolonged.

Method for preparing hollow glass microsphere coating titanium dioxide

The invention discloses a method for preparing titanium dioxide for coating surfaces of hollow glass microspheres. The method comprises: washing the hollow glass microspheres with alkali liquor to remove impurities and etching to improve activity; performing surface activation and modification by using a silane coupling agent; mixing the activated hollow glass microspheres and distilled water in a mass ratio of 1:10; fully stirring at 40 to 90 DEG C; in the stirring process, dripping solution of titanium sulfate at a constant speed with in 2 to 6 hours according to a mass ratio of the hollow glass microspheres to the titanium sulfate of 1:0.8-1:1.6; slowly adding alkali liquor, keeping the pH value of the reaction system between 5 and 7, and stirring first at a speed of 400r/min for the first 1/5 of reaction time and then at a speed of 100 to 300r/min for the rest 4/5 of reaction time; and after the reaction is finished, standing, performing suction filtration, washing with distilled water, drying and calcining. The hollow glass microspheres coated with the titanium dioxide can serve as filler for reflective and thermal-insulation coating. Compared with common hollow glass microspheres, the hollow glass microspheres can be used for preparing and synthesizing high-performance coating combining various thermal-insulation mechanisms.

Double-coated hollow glass microbead heat-insulated coating and preparation method thereof

The invention discloses double-coated hollow glass microbead heat-insulated coating and a preparation method thereof. The double-coated hollow glass microbead heat-insulated coating is prepared from the following raw materials in percentage by weight: 20 to 30 percent of organic silicon modified styreneacrylic emulsion, 9 to 13 percent of double-coated hollow glass microbead, 8 to 12 percent of titanium dioxide rutile, 5 to 8 percent of talcum powder, 17 to 23 percent of heavy calcium, 1.5 to 2 percent of glycol, 0.13 to 0.2 percent of hydroxymethyl cellulose, 0.6 to 1 percent of dispersing agent, 0.35 to 0.45 percent of defoaming agent, 0.15 to 0.19 percent of wetting agent, 0.08 to 0.13 percent of multifunctional aid, 1.0 to 1.5 percent of film-forming aid and the balance of water. Reflective heat-insulated coating is prepared by performing pretreatment on hollow glass microbeads by a double-coated method, selecting silicone/acrylic emulsion as a base material, using the pretreated hollow glass microbeads, the titanium dioxide rutile, the talcum powder, the heavy calcium and the like as pigment fillers and adding a certain amount of fillers. The coating can improve reflectivity and weather resistance, and has the beneficial effects of environmental friendliness, energy conservation, simple production process, good dispersing effect, low cost, stable performance and long service life.

Heat resistant and fire retardant materials and methods for preparing same

A silica cement blend having an insulating, fire retarding and high temperature characteristic capable of withstanding temperatures ranging from ambient to greater than 40000 F without degradation of the concrete structure. In addition to its high temperature capabilities the blend can be produced as ultra light weight to heavy weight concrete. The silica based mixture when added to cementitious materials such as Portland cement, Class C Fly Ash, silica fume and other cementitious materials. Presented also are methods for reducing fire damage by coating interior/exterior walls, ceiling, and roofs of a building with a water based latex coating containing a fire retardant material and low heat conductivity silicas. Methods for painting internal/external walls, ceilings, and roof are also presented. This coating retains thermal blocking properties comprised of processed, expanded and/or finely milled, pyrogenic silicas and micro spheres in combination of but not limited to, one, two or more component water based polymer/copolymer latex binders and a water born fluoropolymer emulsion. The combined properties of these elements create a coating similar to paint with a high level of thermatic resistance which slows the composition break-down from fire, extreme temperatures, and restricts the thermal conductivity which helps to preserve the integrity of the substructure or underlying materials. The properties of this coating reduce or slow the potential of catastrophic fire by retarding flashover and protecting the under structure; which in turn assist fire fighters and rescue personnel by helping to retard the potential of a catastrophic fire.

Staining-resistant heat-insulationcoating and preparation method thereof

The invention discloses a staining-resistant heat-insulation coating. The staining-resistant heat-insulation coating comprises the following ingredients by part by weight: 15 to 40 parts of film-forming latex, 10 to 40 parts of fluroresin latex, 10 to 30 parts of heat reflection paint, 5 to 15 parts of hollow ceramic micro beads, 8 to 16 parts of packing, 1.5 to 5 parts of additive, and deionizedwater in balancing amount. As the ingredients such as water-based fluroresin latex are added into the film-forming latex, the purposes of staining resistance and heat insulation are realized. The invention further provides a preparation method of the staining-resistant heat-insulation coating, which comprises the following steps: adding the deionized water, part of the additive, the heat reflection paint, the packing and the hollow ceramic micro beads into a grinder; grinding to obtain a slurry; transferring the slurry to a deconcentrator; adding the film-forming latex, the fluroresin latex and the rest of additive into the slurry; stirring till the ingredients are dispersed; and filtering to obtain the staining-resistant heat-insulation coating. Therefore, the preparation technology is simple; the application is easy; and the operation is simple and convenient.
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