67results about How to "Physically good" patented technology

The invention relates to sizing material used for the acrylic acid ester rubber with high performance requirement. The acrylic acid ester rubber of active chlorine introduced from epoxy gene is chosen, and trimerization thiocyanic acid TCY is adopted as a vulcanizing system; the invention comprises concrete ingredients as follows: 100 parts of AR5160, 60-90 parts of carbon black N330, 1.0-2.0 parts of stearic acid, 8-14 parts of plasticizer, 2.0-2.5 parts of WB-212, 0.1-0.3 part of anti-scorching agent E/C, 2.0-3.0 parts of antioxidant, 1.0-1.5 parts of curing agent TYC, and 1.5-2.5 parts of accelerator BZ; glass with Mooney viscosity of ML1+4 50 is adopted to be vulcanized and transformed into -25 DEG C acrylic acid ester rubber for matching, so as to ensure that the brittleness intensity reaches above -45 DEG C. The sizing material of the acrylic acid ester rubber with high performance requirement is obtained. The sizing material has the advantages that the comprehensive physical property is good, and simultaneously the brittleness temperature is lower. The invention meets the requirement of the vehicle industry to the sealing material, and the technical level achieves the domestic advanced level. The invention is suitable for the ranges of vehicle engine, crank oil seal, gear shifting box oil seal, and heat resistant, oil proof and cold resistant rubber hose, and protecting sleeve, etc.

The invention relates to a formulation of a sole, in particular to formulation of a military sole, comprising the formulations for forming an outer bottom and a middle layer of the sole, wherein the formulation of the outer bottom based on the parts by weight comprises: 47-51 parts of nature rubber, 49-53 parts of chloroprene rubber, 0.7-0.9 part of vulcanizing agent S-80, 2.4-2.6 parts of accelerating agent, 1.9-2.1 parts of magnesium oxide, 4.5-5.5 parts of zinc oxide, 4.5-5.5 parts of antimony oxide, 1.9-2.1 parts of stearic acid, 1.9-2.1 parts of zinc stearate, 20-24 parts of high wear resistance carbon black, 2-4 parts of engine oil 46#, 6-8 parts of dibutyl ester, 1.4-1.6 parts of anti-aging agent, 0.8-1.2 parts of paraffin wax and the like; and the formulation of the middle layer based on the parts by weight comprises: 47-51 parts of nature rubber, 49-53 parts of chloroprene rubber, 0.9-1.1 parts of sulphur, 2.5-2.7 parts of accelerating agent, 4.5-5.5 parts of zinc oxide, 1.9-2.1 parts of magnesium oxide, 3.8-4 parts of antimony oxide, 6.3-6.7 parts of decabromodiphenyl oxide, 1.9-2.1 parts of stearic acid and the like. The sole prepared by the formulation has good wear resistance and folding resistance, and has the performances of oil resistance, acid-base resistance, inflaming retarding, static electricity prevention and the like, thus meeting the military requirements.

The invention discloses a regenerative foam material taking granite powder as a raw material and a preparation method of the regenerative foam material. A formula of the regenerative foam material comprises the following components in parts by weight: 40-69 parts of granite powder, 2-8 parts of fly ash, 6-25 parts of fluxing filler, 1-5 parts of pore forming material, and 1-5 parts of polymeric material. The preparation method of the regenerative foam material sequentially comprises the following steps that grain fineness of the powder is controlled above 100 meshes; the powder is stirred and mixed uniformly; a mixture is pressed to a required granular material; the granular material is sent to a high-temperature furnace for warming, cooled and taken out; and a finished product is obtained. The regenerative foam material and the preparation method have the advantages that granite powder waste can be digested sufficiently; a long-term severe environmental pollution problem of a granite processing base can be solved; and environmental requirements can be met. The regenerative foam material is stable in physical property, light in weight, heat-insulated, compression-resistant and fracture-resistant, and can be used for building wall or external wall decoration; objectives of building weight reduction and energy saving can be achieved; in addition, the regenerative foam material has fireproof, waterproof and soundproof properties, and can be used for fireproof materials and wall partitioning materials.

The invention relates to simulated leather texture polyurethane leather for an automobile. The simulated leather texture polyurethane leather is characterized by comprising a base cloth layer, a hot melt adhesive layer and a skin layer which are successively laminated; and the hot melt adhesive layer comprises a TPU hot melt adhesive layer or an EVA hot melt adhesive layer. According to the simulated leather texture polyurethane leather for the automobile, since a new TPU hot melt adhesive film is adopted, the bonding strength of the simulated leather texture polyurethane leather is greatly improved, and the maximum bonding strength can be 8.0 kg/25 mm; by using a specific PU film, the specific TPU film and specific base cloth, comprehensive physical performance of the prepared polyurethane leather is excellent, the hand feeling of molded products is greasy and smooth, the leather texture is clear, the hand feeling of the leather is not less than that of genuine leather, and the simulated leather texture polyurethane leather can completely replace PVC artificial leather and the genuine leather; and meanwhile, antibacterial agent compositions are added, and the simulated leather texture polyurethane leather has certain antibacterial effect.

The invention discloses a method for producing a high-performance polyurethane elastomer, comprising the following steps in turn: (A). macromolecular polylol, diisocyanate (OCN-R-NCO) and micromolecular polylol are mixed according to the mass portion of 100 to 27-65 to 1-5 to synthesize a prepolymer; and (B). the prepolymer obtained in step A and chain extender micromolecular polylol generate chain extension crosslinking reaction according to the mass portion of 100 to 3-10, and then the polyurethane elastomer is produced through casting and sulfuration techniques. The polyurethane elastomer prepared according to the method has more superior comprehensive physical characteristics than a polyurethane elastomer synthesized by the prior formula, and has low interior heat build-up under the condition of dynamic abrasiveness and superior tear strength; and various physical characteristics of the polyurethane elastomer are all superior to the cast polyurethane elastomer prepared by the prior formula. The production process of the method is easy, practical, environment-friendly and energy-saving, and the production cost is low.

The invention relates to the technical field of edge sealing strips, in particular to an environmental-friendly PP edge sealing strip and a preparation method thereof. The environmental-friendly PP edge sealing strip comprises the following raw materials in parts by weight: 75-125 parts of PP resin, 10-25 parts of nanometer active calcium carbonate, 10-25 parts of talcum powder, 0.5-3 parts of dioctyl adipate, 2-10 parts of a modifying auxiliary agent, 0.3-1.5 parts of a lubricating agent, 1.0-3.0 parts of an antistatic agent, 0.1-0.8 part of an ultraviolet absorbent, 0.2-1.5 parts of an antioxidant and 0.5-1.5 parts of a toner. The environmental-friendly PP edge sealing strip does not contain phthalate, heavy metals and other harmful substances, and is environment-friendly, light, non-toxic, high in impact resistance, good in flexibility, strong in weather resistance and excellent in comprehensive physical properties.

The invention provides nickel oxide high-temperature purple silk-gloss ceramic glaze and a preparation method thereof, and belongs to the field of ceramic. The nickel oxide high-temperature purple silk-gloss ceramic glaze is obtained by firstly preparing a nickel oxide high-temperature purple silk-gloss ceramic glaze material, and then glazing and sintering at high temperature, wherein the nickeloxide high-temperature purple silk-gloss ceramic glaze material is prepared from the following raw materials according to the mass percent of each raw material: 45 percent to 35 percent of potassium feldspar powder, 4.5 percent to 6 percent of silicon dioxide, 4.5 percent to 10 percent of kaolin, 10 percent to 20 percent of zinc oxide, 30 percent to 40 percent of a frit and 1 percent to 2 percentof nickel oxide. The frit is prepared from the following raw materials according to the mass percent of each raw material: 1 percent to 3 percent of potassium oxide, 12 percent to 20 percent of sodiumoxide, 2 percent to 8 percent of calcium oxide, 10 percent to 35 percent of barium carbonate and 40 percent to 60 percent of silicon dioxide. By adopting the method provided by the invention, a phenomenon in a firing process of a traditional glaze material that a lot of poisonous heavy metal is volatilized is overcome; meanwhile, phenomena that needle holes and cracks are formed in the surface ofa fired product are effectively prevented.

The invention discloses a safety protection device with a pre-deceleration function for buffering the elevator out-of-control falling, and belongs to the technical field of elevator safety. Accordingto the safety protection device with the pre-deceleration function for buffering the elevator out-of-control falling, when an elevator is suddenly failed so as to cause the lift car out-of-control falling, the opening and the running of the pre-deceleration mechanism are timely ensured through a starting mechanism, and the lift car is pre-decelerated for the first time by utilizing air resistanceduring the lift car falling process; through the cooperation of an annular electromagnet arranged on the bottom part of the lift car and a fixed electromagnet arranged on a buffer on a shaft bottom ofthe elevator, the lift car is pre-decelerated for the second time by utilizing a giant magnetic field force; meanwhile, a first-time pre-deceleration unit is promoted and corrected according to a magnetic field distribution characteristic of the annular electromagnet; and finally, through the combined action of an energy absorption layer and the buffer on the bottom part of the annular electromagnet, a giant impact force generated during the lift car falling is absorbed and stopped, so that the harm on passengers in the lift car is remarkably reduced, and the personal casualty is reduced.

The invention discloses tin dioxide-containing dark purple dotted metal crystal ceramic glaze and a preparation method thereof, and belongs to the technical field of ceramic. The tin dioxide-containing dark purple dotted metal crystal ceramic glaze is prepared by the following steps: firstly preparing a tin dioxide-containing dark purple dotted metal crystal ceramic glaze material, then glazing, and sintering at high temperature, wherein the tin dioxide-containing dark purple dotted metal crystal ceramic glaze material comprises the following raw materials in percent by mass: 45-35% of potassium feldspar, 25-15% of silicon dioxide, 8-4% of kaolin, 11-5% of dolomite, 10-20% of talcum, 15-8% of sodium pyroborate, 3-1% of cobalt carbonate and 5-1% of tin dioxide. By the preparation method, ceramic glaze forms red dotted crystals in a dark purple ceramic glaze surface, the ceramic glaze surface has a smooth effect, and the stablephysical and chemical properties of the ceramic glaze are achieved.

The invention provides a memory alloy driven by a magnetic field to deform and a preparation method thereof and belongs to the field of shape memory alloys. The alloy has the capacity of being controlled by the external magnetic field to deform at room temperature, and is a magnetic control shape memory alloy capable of generating restorable deformation in the manner that martensite twin boundaries are driven by the change of the external magnetic field to migrate and reversely migrate at room temperature. The chemical formula of the alloy is NixMnyGazFej, wherein x is larger than or equal to36 and smaller than or equal to 52, y is larger than or equal to 11 and smaller than or equal to 22, z is larger than or equal to 7 and smaller than or equal to 12, j is larger than or equal to 33 andsmaller than or equal to 48, x+y+z+j is equal to 100, and x, y, z and j show mole percent contents. Compared with existing materials, a Fe-Ga intermetallic compound exists in the microstructure of the magnetic control shape memory alloy, and the alloy has the wide magnetoelastic strain temperature range, the high magnetoelastic strain amount and the good mechanical performance, and can be importantly applied to the fields such as high-precision drivers and actuators used at room temperature.

The invention relates to a high-temperature purple cobalt oxide ceramic glaze and a preparation method thereof, belonging to the ceramic field. The high-temperature purple cobalt oxide ceramic glaze is prepared by the steps of firstly preparing a high-temperature purple cobalt oxide ceramic glaze material, and carrying out glazing and high-temperature sintering, wherein the high-temperature purplecobalt oxide ceramic glaze material contains the following raw materials in percentage by mass: 35%-45% of feldspar powder, 15%-25% of silicon dioxide, 4%-8% of spherical clay, 5%-11% of dolomite, 10%-20% of talcum, 8%-15% of sodium pyroborate, 2%-5% of cobalt oxide and 1%-4% of manganese dioxide. By virtue of long-term adjustment and multiple experiments of a glaze formula, long-term experimentsat -30 DEG C show that the phenomenon that a glaze surface cracks or falls does not appear, and the glaze surface can resist ordinary acid-base corrosion.