46results about How to "Good light reflection performance" patented technology

A polyester resin composition for light reflector base, causing only a small amount of outgas in the process of molding a light reflector base or producing a light reflector, excellent in adhesiveness with a metal film layer provided to the surface of the light reflector base, and capable of keeping high luminance even when exposed under high-temperature atmospheres will be provided. The polyester resin composition for light reflector base of the present invention, on the surface of which a light reflecting layer is provided, contains (A) 100 parts by weight of polyester resin, and (B) 0.05 to 2 parts by weight of modified polyolefin resin having a weight-average molecular weight of 2,000 or larger, and an acid value of larger than 1 mg KOH / g and smaller than 10 mg KOH / g.

The invention discloses a radiation heat dissipation cooling coating and a production technology thereof. The radiation heat dissipation cooling coating comprises the following components: 2-15 parts of titanium phosphate, 10-20 parts of aluminum oxide, 1-10 parts of aluminum nitride, 0.1-0.5 part of silane coupling agent, 10-20 parts of waterborne epoxy resin and 20-80 parts of water. Due to the titanium phosphate inorganic colloidal particles, the average particle size of the radiation heat dissipation cooling coating is less than 100 nanometers, condensation occurs to generate a binding force, so that the coating surface has nano material components showing a form which is smooth and clean from macroscopic view and rough in microscopic view, the contact area between a heat dissipation device and the outside can be greatly increased, and the heat dissipation effect is obviously improved.

The present invention is a composition containing a polyester resin containing at least an alicyclic dicarboxylic acid component and an alicyclic diol component, and it is a polyester resin composition which satisfies that a glass transition temperature is 65 DEG C or more and 90 DEG C or less, a refractive index at sodium D line is 1.500 or more and 1.570 or less, a titanium element content is 5 ppm or more and 500 ppm or less, a phosphorus element content is 50 ppm or more and 500 ppm or less and a gel fraction is 50% or less. By the present invention, it is possible to obtain a polyester resin composition having a low refractive index and photoelastic coefficient, and in which a thermally degraded foreign substance is reduced.

The invention provides an edible substrate, e.g., an edible decorative sheet material, having improved moisture stability. In particular, the invention relates to an edible substrate having improved tolerance to a range of high and low humidity conditions. In one embodiment the invention relates to a composition comprising an edible substrate coated over a substantial portion of one or more surfaces with at least one edible moisture barrier and to methods of making and using the improved edible substrate.

A foamed sheet for reflectors which can be thermoformed into reflectors having desired shapes. A foamed sheet (A) for reflectors, characterized by being constituted of a foamed sheet (1) of a polypropylene resin which has a mean cell diameter of 50 to 650[mu]m and at least one uneven surface (12) formed by cells (11) present in the neighborhood of the surface and a non-foamed sheet (3) of the polypropylene resin which is united with the sheet (1) by lamination in such a way that the sheet (3) lies on the sheet (1) along the uneven surface (12) to form an uneven surface (31), by containing an inorganic filler (2) in an amount of 50 to 200g / m<2>, the whole or part of which filler is contained in the sheet (1), and by having a difference in refractive index of 1.0 or above between the inorganic filler (2) and the polypropylene resin, a thickness of the sheet (A) of 0.2 to 2.0mm, and a light reflectance of 97% or above.

The present invention is a composition containing a polyester resin containing at least an alicyclic dicarboxylic acid component and an alicyclic diol component, and it is a polyester resin composition which satisfies that a glass transition temperature is 65° C. or more and 90° C. or less, a refractive index at sodium D line is 1.500 or more and 1.570 or less, a titanium element content is 5 ppm or more and 500 ppm or less, a phosphorus element content is 50 ppm or more and 500 ppm or less and a gel fraction is 50% or less. By the present invention, it is possible to obtain a polyester resin composition having a low refractive index and photoelastic coefficient, and in which a thermally degraded foreign substance is reduced.

The present invention provides a thin light-reflecting sheet with excellent light property of flame retardancy, a high light-reflectance and a high light-shielding ability, which is formed from a polycarbonate resin composition containing a combination of 70% to 30% by mass of a polycarbonate-based polymer (A) and 30% to 70% by mass of titanium oxide (B) having a difference of moisture concentration at 100° C. with that at 300° C. of 2700 ppm by mass or less. The invention also provides a shaped article thereof.

The invention provides a thermoplastic-resin-composition foam sheet which is excellent in surface appearance and lightweight, PTT, and light-reflecting properties, and a process for producing the sheet. The foam sheet is made of a thermoplastic resin composition comprising 80-99.5 wt.% thermoplastic resin (A) and 0.5-20 wt.% PTFE (polytetrafluoroethylene) (B). When an inner part of the foam sheet is examined with an SEM (scanning electron microscope) for dispersed particles of the PTFE (B) and the number of PTFE particles in the range of 0.05-1 [mu]m, the number of PTFE particles in the range of 1-30 [mu]m, and the number of PTFE particles in the range of 30 [mu]m and larger are expressed by (L), (M), and (N), respectively, then (L) / (M) is from 99.99 / 0.01 to 50 / 50 and (M)>(N). The average cell diameter of the foam sheet as measured in the direction perpendicular to the direction of hauling for the foam sheet is 0.1-50 [mu]m.

A light-emitting element mounting substrate includes an insulative substrate including a single-sided printed circuit board, a pair of wiring patterns formed on one surface of the substrate, the wiring patterns being separated with a first distance, a pair of filled portions including a metal filled in a pair of through-holes to contact the pair of wiring patterns and to be exposed on a surface of the substrate opposite to the one surface, the pair of through-holes being formed to penetrate through the substrate in a thickness direction and to be separated with a second distance, and an insulation layer having a light reflectivity formed on the one surface of the substrate. The pair of filled portions each have a horizontal projected area of not less than 50% of each area the pair of wiring patterns, and the insulation layer includes an opening to expose the pair of wiring patterns.

An object of the present invention is to provide a transparent electroconductive film, which in addition to satisfying each of the requirements of favorable phototransmittance, high electrical conductivity, low refractive index and the like required when using in a multi-junction solar cell, enables running costs to be reduced since the transparent electroconductive film is produced without using a vacuum deposition method. The transparent electroconductive film for a solar cell of the present invention is provided between photoelectric conversion layers of a multi-junction solar cell, a coated film of fine particles formed by coating using a wet coating method is baked, the electroconductive component in the base material that composes the electroconductive film is present within the range of 5 to 95% by weight, and the thickness of the electroconductive film is within the range of 5 to 200 nm.

The present invention relates to an epoxy resin composition for an optical semiconductor device having an optical semiconductor element mounting region and having a reflector that surrounds at least a part of the region, the epoxy resin composition being an epoxy resin composition for forming the reflector, the epoxy resin composition including the following ingredients (A) to (E): (A) an epoxy resin; (B) a curing agent; (C) a white pigment; (D) an inorganic filler; and (E) a specific release agent.

The invention discloses water-based metal stoving varnish for an electro-tricycle. The water-based metal stoving varnish is prepared from the following raw materials in parts by weight: 20-40 parts of water-based acrylic resin, 20-40 parts of methylated amino resin, 10-18 parts of modified epoxy emulsion, 2-8 parts of acrylic acid B-hydroxypropyl acrylate, 2-8 parts of styrene, 1-2 parts of benzoyl peroxide, 2-10 parts of dimethylethanolamine, 10-35 parts of dioxane, 0.2-3 parts of resin-packed aluminium paste, 10-30 parts of filler, 1-3 parts of polyvinyl butyral, 1-3 parts of flash rust-resisting agent, 1-3 parts of salt mist resistor, 1-3 parts of dispersant, 1-3 parts of defoamer, 1-3 parts of thickener and 30-45 parts of water. The water-based metal stoving varnish is environment-friendly, and is good in water resistance and storage stability.

An eye protection kit comprises a plurality of soft, smooth eye patches and an atomizer providing ultraviolet radiation protection for use while sunbathing or in a tanning bed is herein disclosed stored within a carrying case. The eye patches are each comprised of a textile material comprising reinforced perimeters. For personal comfort and to maintain moisture, the patches are wetted with a cooling fluid therefrom the atomizer. Further, the patches would be oversized, thus providing shielding to areas adjacent to the eye where skin lines often form and shielding below the eyes where sunbathers sometimes develop unflattering skin discolorization.

The invention discloses a reflecting plate which comprises a substrate layer, a bottom color layer used for preventing light rays from penetrating, a metal light reflection layer for reflecting the light rays and a protection layer for preventing the metal light reflection layer from being oxidized and damaged; by taking the transmission direction of the light rays as a reference, the bottom color color layer is fixed on the rear surface of the metal light reflection layer; the substrate layer is fixed on the rear surface of the bottom color layer; the protection layer is fixed on the front surface of the metal light reflection layer; the metal light reflection layer is a main material layer which plays a functional role; when the light rays irradiate to the metal light reflection layer, the light rays can be reflected back; more particularly, due to the existence of the bottom color layer, the light rays can be prevented from penetrating the metal light reflection layer so that the light rays can be completely reflected by the metal light reflection layer; and the protection layer covers the metal light reflection layer and can prevent the metal light reflection layer from being damaged or oxidized. The reflecting plate disclosed by the invention has the advantages of good light reflection property, long service life, simple structure and easiness in implementation and can be widely applied to various products having light reflection requirements.

The invention provides a shell. The shell comprises a polymer ceramic composite layer; the polymer ceramic composite layer comprises at least one of rod-shaped ceramic powder and a fiber material, and further comprises sheet-shaped ceramic powder and a polymer. According to the shell, the rod-shaped ceramic powder and / or the fiber material and the sheet-shaped ceramic powder are in lap joint to form a net-shaped heat conduction channel, so that the heat conduction performance and the partial strength of the shell are improved; and meanwhile, the specific surface area of the sheet-shaped ceramic powder is large, a light reflection effect is good, the surface glossiness and the ceramic texture of the shell are improved, and application of the shell is better facilitated. The invention further provides a preparation method of the shell and electronic equipment.

The present invention relates to a light-reflecting member including a polyolefin resin foam as a light-reflecting layer, the polyolefin resin foam being obtained by foam molding a resin composition containing a polyolefin resin. According to the light-reflecting member of the invention, since it has the above-mentioned constitution, the light-reflecting member is excellent in light reflection, impact-absorbing property, and lightness in weight Moreover, the process for producing a light-reflecting member of the invention can provide a light-reflecting member excellent in light reflection, impact-absorbing property, and lightness in weight by using a polyolefin resin foam.

The present invention provides a fabric ultraviolet shielding coating material, and the fabric coating has good ultraviolet shielding effect, and is free of poisonous and harmful elements. The preparation process is simple, production cost is low, and the fabric ultraviolet shielding coating material is suitable for industrialized production. The coating in the fabric ultraviolet shielding coating material comprises the following components by weight: 2-5% of polyethylene glycol (peg), 0.7-1.3% of poly phenyl methyl siloxane, 0.3-0.6% of zinc chloride complexe, 0.7-1.2% of hydroxyethyl cellulose, 26-31% of waste glass powder and waste cement mixed powder, 7-11% of water, and balance of composite waterborne resin.

The invention discloses a road using multifunctional coating material for heat insulation cooling and automobile exhaust gas treatment and a preparation method of the material. The material is prepared from the following materials in parts by weight, 50-60 parts of silicone acrylic emulsion, 15-25 parts of water, 5-9 parts of iron doped alumina supported nanometer titanium dioxide, 5-9 parts of hollow glass beads, 5-9 parts of titanium dioxide, 11-14 parts of superfine diatomaceous earth, 5-9 parts of propylene glycol, 0.3-2.1 parts of auxiliaries and 0.6-0.9 part of dispersing agents. The preparation method is simple, excellent properties of pigment fillers are reasonably used by the coating material, the surface temperature of a pavement can be obviously reduced, harmful components in exhaust gas can be effectively degraded, and environmental pollution caused by the exhaust gas is reduced. Besides, the material has good weather resistance, cannot generate secondary pollution in the use process and is an efficient environment-friendly coating material.

The invention discloses a polycarbonate composite material as well as a preparation method and application thereof, and the polycarbonate composite material comprises the following components in parts by weight: 55-80 parts of PC resin; 4-10 parts of ABS resin; 1-5 parts of an inorganic filler; and 2-7 parts of rutile type titanium dioxide. The ABS resin, the inorganic filler and the rutile type titanium dioxide are added and cooperate with one another, so that the light reflection capacity of the polycarbonate material can be effectively improved, meanwhile, the energy loss of the material is obviously reduced, and the prepared polycarbonate composite material with low internal friction is particularly suitable for preparing illumination lampshades, can reduce the light loss, and improves the energy utilization efficiency of the lamp, and effective energy conservation of the lighting lamp is fundamentally achieved from materials.

The invention discloses a manufacturing method of a light-emitting diode. The light-emitting diode is manufactured by a metalized connection method. The method is characterized in that the sizes of modules are defined on a wafer; LED chips in the modules are firstly connected by a metalized connection technique for a semiconductor process; meanwhile, opening positions of welding pads are also defined; and the wafer is cut according to a cutting lane between the modules when cut, so that the cutting times is relatively few; and the production cost can be reduced. In addition, partial side walls of the LED chips are coated with metal layers; and these metal films (an aluminum bronze film, a gold film or a silver film) have excellent light reflectivity, so that photons irradiated to the side walls of the chips by LEDs are reflected to the surfaces of the LEDs to improve the luminous efficiency.

The invention discloses a water-based paint for purifying formaldehyde of furniture. The water-based paint for purifying the formaldehyde is prepared from the raw materials in parts by weight: 95 to 105 parts of binder, 4 to 6 parts of styrene, 1 to 2 parts of benzoyl peroxide, 2 to 4 parts of dimethylethanolamine, 45 to 55 parts of filler, 1 to 2 parts of resin-wrapped aluminum paste, 1.5 to 2.5 parts of polyvinyl butyral, 4 to 5 parts of flash-rust prevention agent, 1 to 2 parts of salt spray resistant agent, 2 to 4 parts of dispersing agent, 0.5 to 1.5 parts of defoaming agent, 2 to 4 parts of thickening agent, and 40 to 60 parts of water. The water-based paint for purifying the formaldehyde provided by the invention is level and smooth in paint surface, high in coating adhesion force, not easy to strip or peel, and long in service life, can be widely produced and continuously replace an existing material, is lower in cost, does not contain toxic substances such as formaldehyde, benzene and ammonia, and can absorb hazardous substances such as formaldehyde emitted by indoor floors and furniture.

The invention relates to a solar photovoltaic component and a preparation method thereof. The solar cell component comprises a first glass substrate, a transparent first packaging layer, a reflecting layer, a transparent second packaging layer, a solar cell sheet and a second glass substrate. The first packaging layer, the reflecting layer, the second packaging layer and the second glass substrate are laminated on the first glass substrate in turn. The second packaging layer is provided with a sealed accommodating cavity. The solar cell sheet is accommodated in the accommodating cavity. The second glass substrate is provided with a pattern surface which is provided with patterns formed by multiple protrusions arranged in a spacing way, and the pattern surface of the second glass substrate and the second packaging layer are laminated. Reflectivity of the reflecting layer is more than 60%. The solar photovoltaic component has great optical efficiency and conversion efficiency.

The invention discloses a material structure capable of reflecting light rays. The material structure capable of reflecting the light rays consists of a base material layer, a metal light-reflection layer and a protection layer, wherein the metal light-reflection layer is plated on the base material layer in a vacuum mode; the metal light-reflection layer is a functional main material layer which is used for reflecting the light rays; when the light rays are irradiated to the metal light-reflection layer, more than 95 percent of the light rays are reflected back; the protection layer covers the metal light-reflection layer; and the protection layer can prevent the metal light-reflection layer from being damaged or oxidized. The material structure capable of reflecting the light rays has the advantages of better light-reflection performance, long service life and simple structure, is easy to implement and can be widely applied to various products having light ray reflection requirements such as a backlight module of a liquid crystal display screen.

Provided is a phase modulator including an antenna pattern, a lower reflective layer spaced apart from the antenna pattern in a vertical direction, a spacer provided between the antenna pattern and the lower reflective layer, and a phase shift pattern included in the spacer, the phase shift pattern including a phase shift material.

The invention discloses a waterborne coating adsorbing hazardous substances. The waterborne coating is prepared from, by weight, 30-40 parts of waterborne urea resin, 15-20 parts of waterborne nitrocellulose emulsion, 50-70 parts of waterborne alkyd resin, 2-4 parts of cross-linking agent, 20-30 parts of mica sheet, 30-40 parts of corn core powder compound, 2-4 parts of pigment, 2-4 parts of plasticizer, 2-4 parts of anti-flash-rust agent, 2-4 parts of salt-fog resistance agent, 1-2 parts of dispersant, 1-2 parts of defoamer, 1-2 parts of thickener and 50-70 parts of water. The waterborne coating adsorbing the hazardous substances is free of hazardous substances of formaldehyde, benzene, ammonia and the like, can adsorb the hazardous substances emitted by indoor floors, furniture and the like, meanwhile is strong in adhesive force, not easy to peeling-off and good in water resistence, and cannot generate peeling.

The invention discloses a backboard of an optical display module. The optical display module comprises a display panel, a light guide plate and the backboard. The backboard comprises a light reflection coating, a substrate and a conductive anti-oxidation coating which are sequentially arranged from top to bottom, wherein the light reflection coating is arranged on the side, close to the light guide plate, of the substrate, and the conductive anti-oxidation coating is arranged on the side, away from the light guide plate, of the substrate. The invention further provides a preparation method ofthe backboard of the optical display module. The backboard integrates a light reflection function, an anti-static function, a fixing function and an anti-oxidation function, and can meet high use requirements; a multifunctional slurry coating mode is adopted in the preparation process of the backboard, so that environmental pollution is avoided, the production efficiency is high, and the production cost is low.

The invention discloses a shell of terminal equipment. A plurality of pattern areas which are in array distribution are arranged on the shell. Each pattern area is internally provided with a pattern unit. Each pattern unit is provided with a plurality of grooves which are distributed side by side. A preset angle is formed between the grooves of any two adjacent pattern units in the same pattern area. The invention further discloses the terminal equipment and a manufacturing method of the shell of the terminal equipment. By adoption of the scheme, the defect that a terminal equipment shell is single in visual perception at present can be overcome.