33results about How to "Physical properties are not affected" patented technology

A honed embossed adhesive tape basilemma is made of pure polyolefin resin, the roughness of the front face Ra value is 20-60 mu inch, the roughness of the back face Ra value is 60-200 mu inch, the production method thereof comprises steps of melting and extruding, embossing and finishing. The honed embossed adhesive tape basilemma prepared by the invention has special honed effect, even surface roughness, even thickness stability, good longitudinal and transverse tear resistance, good anti-blocking effect and excellent gluing effect. The method of the invention does not change the inner structure of the basilemma material, thus not influencing the physical performance of the basilemma material, and being applicable to production of honed embossed adhesive tape basilemma and production of honed basilemma for other special uses.

The invention provides a solar spectrum conversion resin and preparation and application methods of the solar spectrum inversion resin. The solar spectrum inversion resin is characterized in that a light conversion agent subjected to surface modification is mixed with solid PVB resin and molten; the melt is casted and extruded through an extruder to prepare a light conversion PVB resin film; or the light conversion agent is directly dispersed into liquid light curing glass resin to obtain light curing conversion glass resin, wherein the light conversion agent is one or two of a green-to-red light conversion agent, a red and blue double light conversion agent, a purple-to-blue light conversion agent and a purple-to-red light conversion agent; the particle size ranges from 0.01 to 5.0 microns; 0.05 to 5.0% by mass of light conversion agent is added to the resin; a surface modifier is prepared from one or two of methylsilicone oil, KH-570 and stearic acid, and 4 to 40% by mass of the surface modifier is added; the two light conversion resins can be used for preparing light conversion laminated glass which has all-day light conversion function and can absorb near ultraviolet or/ and green light and emit blue light and/ or red light; the light conversion laminated glass can be applied to a glass greenhouse to increase the photosynthesis of the crops as well as promoting the growth of plants; a purple/ green-to-red light conversion PVC resin film can be applied to solar cell packaging, and therefore, the photovoltaic efficiency of a solar cell can be increased.

The invention discloses a production technology of a high temperature resistant temperature controller. The production technology comprises the following steps: (a) casual inspection of a ceramic shell; (b) assembling of a static contact; (c) cooled placement; (d) welding of a spring plate and a terminal; (e) assembling of the spring plate and the terminal; (f) assembling of an actuator rod; (g) treatment of bimetallic strips; (h) assembling of the bimetallic strips; (i) assembling of long rivets; (j) assembling of amica sheet; (k) synchronous testing; (i) resistance testing; (m) pressure resistance full-inspection and appearance full-inspection; (n) final casual inspection; and (o) packaging and shipment. A heat treatment technology for the spring plate and the bimetallic strips is added to the production process of the temperature controller, so that the physical properties of the spring plate and the bimetallic strips are not affected in a high-temperature environment within 600 DEG C; and the safety performance of the temperature controller is greatly improved.

The invention provides a light corrosion resistant ABS (acrylonitrile-butadiene-styrene) composition, a light-passing plate and an air conditioner. The light corrosion resistant ABS (acrylonitrile-butadiene-styrene) composition comprises the following components by mass: 100 parts of ABS resin, 0.1-1 part of TiO2, 0.1-0.5 part of a light stabilizer, 0.1-1 part of an antioxidant and 0.1-1 part of a processing aid. On the premise of guarantee of material mechanical strength, the light corrosion resistant ABS composition provided by the invention has good light transparency and glossiness, and has the light corrosion resistant effect, therefore, after long-term exposure to a LED light source, a panel of the air conditioner made of the light corrosion resistant ABS composition is free of color difference in display, and the panel has a good display effect, and user satisfaction can be improved.

The invention relates to a transparent halogen-free flame-retardant polycarbonate resin. The resin comprises the following components in percentage by weight: 98.4-99.75% of flame-retardant master batches, 0.05-0.6% of a fire retardant, 0.1-0.5% of an antioxidant and 0.1-0.5% of a lubricant. The preparation method comprises the following steps: preparing materials according to the components, adding PC, the fire retardant, the antioxidant and the lubricant in percentage by weight into a high-speed mixing machine, sufficiently mixing the PC, the fire retardant, the antioxidant and the lubricant, and placing the PC, the fire retardant, the antioxidant and the lubricant, which are mixed, into a screw rod machine for extruding and pelleting so as to obtain flame-retardant master batches; adding the flame-retardant master batches and the rest of the components into the high-speed mixing machine together, sufficiently mixing the flame-retardant master batches and the rest of the components, and then placing the flame-retardant master batches and the rest of the components, which are sufficiently mixed, into the screw rod machine for extruding and pelleting so as to obtain products. Compared with the prior art, the method disclosed by the invention fully uses phenyl butyl sulfonic acid potassium as the fire retardant, after the fire retardant, the antioxidant, the lubricant and the flame-retardant master batches are mixed, extruded and pelleted, the whole preparation technology is simple, a complex ladder temperature control step is not needed, the obtained products have the characteristics of transparence, thin walls, high impact strength, excellent flame retardant property, zero toxicity and zero harm, and the application range is wide.

The invention relates to a cement addictive, which in detail is a high effective intensifier for cement production, solving problems of high cost, complex composition of the addictive used to improve the cement property, increase the cement intensity in the cement producing course and problem of not ideal effect of the intensity improved after cement hardened. The addictive comprises the following raw material with proportion by weight being: kalium sulphuricum industrial side product 70-85%, lime carbonate powder 5-20%, lime carbonate 5-20%. The cement intensifier mentioned in this invention can stimulate the cement intensity thoroughly, because of which the consumption of cement half-finished product chamotte can be reduced greatly, which saves large amount of mineral resources and energy and reduces cement production cost greatly.

The invention relates to a kind of functional quanta spot. The producing procedure comprises the following steps: pretreating the quanta spot synthesized in stablizing agent; adding pretreated quanta spot to the dissolved N-hydroxyl succinimide then adding the dissolved cicyclohexylcarbodiimide to get the reacting solution; wrapping the solution with paper which can protect the solution from light and making the solution react on the shaker for at least 125h; packaging; evacuating and drying in freeze-vacuum concentrator to get the esterified quanta spot by N- hydroxyl succinimide. The invention has solved many technological problems in background skills such as low labeling rate, unable to keep the quanta for a long time and unable to extend the practical use. The product disclosed in the invention has many advantages: it's water-soluble so it's easier and more efficient to label the biomacromolecule; it has good stability and versatility; it can be preserved for a long time while keeping its physical and chemical qualities.

The invention relates to a polycarbonate flame retardant endurance plate. The flame retardant endurance plate is composed of the following components, by weight, 95%-99.5% of polycarbonate and 0.5%-5% of a flame retardant, wherein the flame retardant is modified potassium perfluorobutanesulfonate. A preparation method of the flame retardant endurance plate comprises the steps of (1) mixing carbonate particles and flame retardant particles uniformly, melting and plasticizing the mixture in an extruder; (2) shaping the plasticized material in a mold and cooling by a three-roller method; and (3) drawing, coating and cutting the cooled model. The polycarbonate flame retardant endurance plate provided by the invention has the advantages of thin thickness, high strength, strong toughness, high transparency, non-toxicity and harmlessness, etc. The polycarbonate flame retardant endurance plate can not release toxic and harmful gas to the environment, and fits ROHS environment-protecting directives.

The invention discloses a method for extracting raffinose. The method includes steps of 1, carrying out pretreatment; 2, carrying out decolorization; 3, carrying out primary crystallization, to be more specific, concentrating decolorized raffinose solution under reduced pressures until the solid content is 40-70%, cooling the raffinose solution until the temperature of the raffinose solution reaches 0-10 DEG C, carrying out vacuum centrifugal separation on the raffinose solution to obtain raffinose crystallization crude products, desalting centrifuged residual liquid by the aid of macroporous resin and then spraying drying agents to obtain raffinose powder; 4, carrying out secondary crystallization, to be more specific, dissolving the raffinose crystallization crude products in water at the temperature of 60-80 DEG C to obtain crystallization systems with the solid contents of 43-60 DEG C, carrying out first-section cooling on the crystallization systems, joining the crystallization systems with crystal nucleuses, carrying out second-section cooling on the crystallization systems, drying the crystallization systems under normal pressures, centrifuging a finished product which is the raffinose and then crystallizing residual liquid at the step 3. The method for extracting the raffinose has the advantages of short process route, simplicity in operation, low requirements on equipment and low cost.