34results about How to "Improve astigmatism effect" patented technology

The present invention relates to the technical field of ABS materials, in particular to a high light-transmitting, high-shading ABS material, comprising the following raw material components in mass percentages: 93.0-99.5% ABS resin, 0.1-0.6% antioxidant, 0.1-2.3% organic Silicone resin light diffusing agent; the antioxidant is one or a mixture of antioxidant 1076 or antioxidant 168; the sum of the mass percentages of the above components is 100%. The preparation method is as follows: first put the antioxidant and the silicon-based light diffusing agent into a high-speed mixer and stir evenly, then add ABS resin for three-stage mixing, and finally put the evenly mixed material into a twin-screw extruder for extrusion Pellet out to make ABS material. The ABS material of the present invention has good light astigmatism performance, can achieve the balance of haze and light transmittance at the same time, meets the requirements of the outer cover of LED lighting lamps, has a simple preparation method, and is favorable for popularization and application.

The invention discloses a hollow spiral noise-abating pipe and a preparation method thereof, and relates to the technical field of PVC pipe production, and the technical scheme thereof requires the hollow spiral noise-abating pipe to be prepared from the following components in parts by weight: 80-120 parts of PVC resin, 1-5 parts of chlorinated polyethylene, 5-6 parts of ultraviolet light absorber, 2-5 parts of butadiene styrene rubber, 1-6 parts of carboxy nitrile rubber, 1-5 parts of stabilizer, 0.1-5 parts of lubricant, 25-45 parts of calcium carbonate superfine powder, 1.2-2.4 parts of rutile type titanium dioxide, 0.1-0.5 part of PVC reused material, 0.1-0.3 parts of ACR resin, 3-9 parts of modified polytetrafluoroethylene, 2-6 parts of trifluorochlor oethylene and 3-8 parts of polyvinylidene fluoride. The invention solves a problem that the hollow spiral noise-abating pipe has poor aging resistance and corrosion resistance, and the ultraviolet light absorber and the modified polytetrafluoroethylene can improve the aging resistance and corrosion resistance of the noise-abating pipe.

The invention discloses manufacturing equipment of a rainbow tube, which is primarily characterized in that: a die head comprises an aligning shaft (12), a die core (15), a die barrel (16), inner core positioning dies (17) and dies (18), wherein, the die core is sheathed on the aligning shaft and sheathed into the die barrel, the inner core positioning dies are installed on the die core detachably, the dies are installed on the core barrel detachably, the die barrel is connected and communicated with a feed barrel of an extruder through a discharge port, two diffluent channels (19 and 21) arearranged on the die core, an included angle is formed by the two diffluent channels, the entry ends of the two diffluent channels are connected and communicated with the feed barrel through a throughhole and the discharge port on the die barrel, and the exit ends of the two diffluent channels are connected and communicated with the channels of the dies. The inner core and outer sheath of the rainbow tube can be completed together on a set of equipment only by changing the inner core positioning dies and dies with different calibers as the detachable inner core positioning dies and dies are adopted, furthermore, plastics are not easy to stack in the die head, thus being characterized by quick discharge and high production efficiency.

The invention relates to a new fan blade hemispherical wind-powered bird repellent, which includes a stainless steel rod of the wind-powered bird repellent. A plurality of hemispherical arc-shaped stainless steel blades that rotate up and down around the installation point are installed on the top of the rod. The surface is threaded, the nut is screwed on the thread, the horizontal fin frame rod is fixed symmetrically on both sides of the nut, and the fin with a certain angle between the plane and the horizontal is fixed on the outer end of the fin frame rod. The bottom is formed with a concave card slot opening to the left, and the bolts installed at the bottom of the card slot are used for fixing the pole. The working principle of the present invention is simple, and it adopts wind force as the power source. The difference is that the present invention has a hemispherical multi-blade structure, and the outer surface of the blade has a strong astigmatism area, and the smooth surface makes it impossible for birds to stop, let alone carry branches. The rotating structure of the blades not only greatly improves the astigmatism effect, but also prevents birds from approaching, which greatly improves the bird repelling effect.

The invention discloses an automobile lampshade with a light scattering function. The automobile lampshade comprises a lampshade body, a data controller made of high-temperature-resisting materials is mounted on one side of the lampshade body, a lamp hole switch data line, a diffuser telescopic data line and a light scattering remote sensing data line are arranged on the side face of the data controller and are all in signal connection with the data controller, an automobile lampshade body made of waterproof anti-collision materials is arranged on one side of the lampshade body, an automobile lamp made of an aluminum alloy material is mounted in the automobile lampshade body, light in the automobile lampshade can be sufficiently refracted, the light effect of the automobile lampshade can be reinforced, traveling safety of a driver at night is ensured, meanwhile, a transparent three-edge blade and a remote sensing ball are arranged on the outer surface of the automobile lampshade, and the light scattering performance of the automobile lampshade can be improved.

The invention relates to the technical field of polystyrene composition, particularly to high light-transmittance and high light-shielding polystyrene composition. The high light-transmittance and high light-shielding polystyrene composition is prepared from the following materials by weight: 98.2%-99.6% of polystyrene, 0-1% of silicon light diffusing agent, 0.1-0.2% of a lubricating agent, 0.1-0.2% of a dispersing agent, 0.1-0.3% of antioxidant A and 0.1-0.2% of antioxidant B. The preparation method comprises the steps of uniformly agitating the constituents except for polystyrene by a high-speed mixer; putting the polystyrene and the uniformly mixed materials into the high-speed mixer to carry out three-segment agitation, and extruding and pelletizing the uniformly mixed materials by a double-screw extruder. The polystyrene composition disclosed by the invention is high in light transmittance, high in light shielding property, good in impact strength, good in balance of haze and light transmittance, high in structure strength of the prepared product, simple in process, low in production cost and beneficial for generalization and application.

The invention discloses a light guide plate with a positioning structure. The light guide plate comprises a light guide plate body. The middle of the lower end of a fixed block is connected to the upper end of an arc slot through a limit hole, and the fixed block matches the arc slot. The left and right sides of the upper end of the light guide plate body are provided with transparent blocks. The left and right sides of the lower end of the light guide plate body are provided with limit slots matching the transparent blocks. The cavity of each limit slot is internally provided with a groove matching a bulge. Light dispersion holes are vertically arranged at equal intervals in the cavity of the light guide plate body. A hollow slot vertically intersecting with the light dispersion holes is transversely arranged in the cavity of the light guide plate body. A forming process of the light guide plate with a positioning structure is simple. The effect is more obvious, and maintenance is simple. Compared with the existing light guide plate, the light dispersion effect is improved, the plate takes up a small space, the work efficiency is high, the light color or the light guide plate can be easily changed at any time according to the circumstance, the structure after splicing is simple, and the light guide plate is easy to manufacture and is worth wide use in the future.

The invention discloses a preparation method for integrally sealed LED (light-emitting diode) light with a diffuser, which is characterized by comprising the following steps: an optical source is manufactured; a first conductive bracket and a second conductive bracket are electrically connected with two opposite ends of an LED (light-emitting diode) wafer through an alloy wire; the optical sourceis arranged in a light-transmitting die; the light-transmitting die is provided with a first cavity; the top part of the first cavity is opened; UV (ultraviolet) photocuring glue is injected in the light-transmitting die; then photocuring is implemented on the light-transmitting die to form a sealed LED body provided with the diffuser; the sealed glue of the formed LED light is demoulded; then a metal film is coated on the inside surface of the diffuser in a vacuum coating way; and the metal film on the position of the diffuser corresponding to with the optical source is carved by an laser engraving machine; therefore, the integrally sealed LED (light-emitting diode) light with the diffuser is obtained. The preparation method for integrally sealed LED (light-emitting diode) light with thediffuser not only is simple to be manufactured, but also has strong practicality.

The invention discloses a plastic heat dissipation astigmatism masterbatch and a preparation method thereof. Its composition is calculated by weight percentage: fumed silica 40-55%, thermal conductive composition 20-35%, matrix resin 10-20%, dispersant 3-5%, lubricating aid 1-3%, and other additives 0-1%. The preparation method is to attach the heat-conducting composition to the micropores of fumed silica, obtain a binary microsphere with high thermal conductivity and astigmatism by sintering, and then use the grinding and dispersion of the sand mill and the high-melt index K resin A plastic heat dissipation and light astigmatism masterbatch is obtained by melting, dispersing and granulating. Its outstanding feature is that while it has the effect of heat dissipation, a light-transmitting heat-conducting composite composite material is adsorbed and melted in the pores of gas-phase silica, so that the gas-phase silica that was originally reflective and light-transmitting is not obvious. Light reflective, its astigmatism performance has been improved.

The invention belongs to the technical field of cyclobutane tetracarboxylic dianhydride preparation, in particular to a cyclobutane tetracarboxylic dianhydride preparation device, aiming at the problems of many by-products, poor production quality and serious pollution in the cyclobutane tetracarboxylic dianhydride preparation device , the following scheme is now proposed, including a mixing tank, a nitrogen tank and an ultrasonic incubator. The top outer wall of the mixing tank is screwed with a drive box, and one side of the top inner wall of the drive box is provided with a servo motor, and the other side of the top inner wall of the drive box is The side is fixed with a stirring rod through a bearing, and the outer walls of both sides of the stirring rod are provided with spring bars, and the outer walls of the bottom of the spring bars are bonded with buoyancy blocks. The invention can achieve the effect of liquid seal, effectively avoid the phenomenon that the maleic anhydride raw material with strong irritating smell and toxicity will pollute the environment and damage human health, enhance the astigmatism effect of the high-pressure mercury lamp, and improve the The light reaction efficiency of the formic dianhydride preparation, and the water source circulates to achieve the effect of water cooling.