34results about How to "Strong surface hardness" patented technology

The invention relates to a polyphenylene sulfide compound material and a preparation method thereof, and a process for preparing an anticorrosion pump overflowing assembly by using the compound material, and belongs to the technical fields of anticorrosion materials and application of the anticorrosion materials. The compound material mainly comprises the following components in part by mass: 100 parts of polyphenylene sulfide, 40 to 100 parts of reinforcement fibers, 18 to 35 parts of hollow glass microspheres, and 25 to 60 parts of polyamide. The compound material is prepared by a melt cladding method. The anticorrosion pump overflowing assembly is prepared by using the compound material and a compression molding process or an injection molding process. The prepared polyphenylene sulfide compound material has high intensity, toughness, surface hardness, corrosion resistance, and small friction coefficients; and the manufactured overflowing assembly has high intensity, wear resistance and corrosion resistance, and long service life and can be used for high-corrosion using conditions where pumps of other materials cannot be used.

The invention relates to the technical field of laser marking high polymer materials, in particular to a halogen-free flame-retardant nylon composite material capable of being subjected to laser marking and a preparation method thereof. The nylon composite material comprises nylon resin, a halogen-free flame retardant, a flame retardant synergist, laser marking powder, black master batch, an adsorbent, glass fibers, an antioxidant and a lubricant, so that the prepared nylon composite material has excellent flame retardance and high-temperature and high-humidity resistance, relatively good tensile strength and bending strength and a good laser marking effect. The material is simple in preparation process, environment-friendly, clean and low in cost, laser marking can be directly carried out in the product processing process, and continuous and automatic industrial production is realized.

The invention belongs to the field of ceramic glazes, in particular to micro-nano composite glazes for daily use. A micro-nano composite glaze, the glaze is composed of the following raw materials by weight: 30-60 parts of micron α-Al2O3, 4-8 parts of nano-TiO2, 9 parts of micron Ni3-9, 3-9 parts of nano-ZrO2, 50-60 parts of nano-TiC , 3‑9 parts of mullite, 20‑30 parts of kaolin, 30‑50 parts of fused corundum, 15‑30 parts of silica powder, 2‑6 parts of sodium hexametaphosphate, 3‑8 parts of zinc oxide, zirconium carbide 6‑15 parts, 3‑9 parts of silicon nitride, 3‑9 parts of yttrium carbonate, 7‑15 parts of udonite powder. The glaze prepared by the micro-nano composite glaze has high temperature resistance, wear resistance and corrosion resistance, and compared with ordinary glaze layer, it also has good toughness and strength; in addition, even if it is exposed to light for a long time, it can also be antibacterial and self-cleaning on the surface ,anti-oxidation.

The invention discloses a special veneering pressing and sticking method of melamine impregnated paper, which comprises the steps of: softening medium density polyethylene fibreboards, improving the formula of the melamine impregnated paper, and compression-molding by adopting a concave and convex matching mould. The method avoids the deficiencies that a traditional door sheet is not wear-resistant, is not stain-resistant, is easy to deform, crack, delaminate, burn, and mildew, and the surface of a traditional door sheet needs cumbersome processing procedures, such as many times of painting or spray painting, and the like.

This invention relates to a manufacturing method for an abnormal spinneret including: 1, spraying metal Ti thin layer and making oxidation process on a glass plate, then throwing off negative etching glue and pre-drying it to form a pattern of the abnormal nozzle etching glue structure, 2, sputtering a Ti-Cu conduction layer, 3, applying an electric deposition technology to carry out deposition of the stress buffer layer, a non-crystal state silking face layer and a die supporting layer to form a complete electric die cast, 4, heat-processing it and cooling it to room temperature, 5, carryingout flatness process to remove the negative glue and Cu stress buffer layer.

The invention provides a heat-transfer-printing PET film ultraviolet-curing varnish and a preparation method thereof. The varnish comprises the following components in percentage by mass: 35-50% of hexafunctional polyurethane acrylate, 5-10% of trifunctional polyurethane acrylate, 10-20% of thermoplastic acrylic resin, 0.5-1% of leveling agent, 20-30% of organic solvent and 5-10% of photoinitiator. According to the heat-transfer-printing PET film ultraviolet-curing varnish, the paint film has the advantages of favorable adhesive force, high surface hardness, favorable scratch resistance of the surface, and favorable chemical resistance. The cured paint film has favorable flexibility, and can not crack even after being bent by 90 degrees. In the preparation method, the mild and nontoxic organic solvent is utilized, and has the advantages of small out-emission amount and no environment pollution; the heat-transfer-printing PET film ultraviolet-curing varnish is used instead of the traditional thermocuring transfer printing paint; when the heat-transfer-printing PET film ultraviolet-curing varnish is in use, the paint film can become dry and form a film after being irradiated by ultraviolet light for 10-20 seconds, and thus, the method has the advantages of higher production efficiency, simple film-forming technique, low requirements for film-forming equipment and energy saving, and further lowers the cost.

The invention discloses a negative ion diatom ooze decorative material for a wall surface. The negative ion diatom ooze decorative material for the wall surface comprises the following raw materials by weight percent: 30-40% of diatom ooze, 25-35% of zirconium oxide, 15-25% of titanium oxide, 10-14% of kaolin, and 2-4% of chemical fiber powder. A preparation method of the negative ion diatom oozedecorative material specifically comprises the following steps: S1, roasting and pulverizing: roasting the diatom ooze at the high temperature of 1800 DEG C, pulverizing in a pulverizer to obtain a diatom ooze powder; S2, screening: screening and collecting the diatom ooze powder pulverized in the step S1; S3, premixing the materials: stirring and mixing the zirconium oxide, the titanium oxide, the kaolin and the chemical fiber powder in a stirrer to obtain a mixture; S4, stirring through negative ions: putting the diatom ooze powder screened in the step S2 into a negative ion stirrer, addingthe mixture prepared in the step S3 in the process of stirring the diatom ooze powder, mixing the diatom ooze powder and other material mixtures, and finally preparing a finished product.

For overcoming the problems of low hardness of a metal member, low combination force of the metal member with a ceramic base body, and poor appearance and performance in a metal / ceramic composite body in the prior art, the invention provides a metal / ceramic composite body which comprises a ceramic base body and a metal member, a groove being formed in the surface of the ceramic base body and the metal member being arranged in the groove. The metal member comprises a zirconium-based amorphous alloy base body and a reinforcing material in the amorphous alloy. The reinforcing material is one or more selected from W, Mo, Ni, Cr, stainless steel, WC, TiC, SiC, ZrC or ZrO2. Meanwhile, the invention also discloses a preparation method of the metal / ceramic composite body. In the metal / ceramic composite body, the surface hardness of the metal member is high and the metal member has strong combination force with the ceramic base body. The metal / ceramic composite body is excellent in appearance and performance.

The invention relates to the technical field of laser-marked polymer materials, in particular to a laser-markable halogen-free flame-retardant nylon composite material and a preparation method thereof. The nylon composite material includes nylon resin, halogen-free flame retardant, flame retardant synergist, laser marking powder, black masterbatch, adsorbent, glass fiber, antioxidant and lubricant, so that the obtained nylon composite material has the following characteristics: It has excellent flame retardancy and high temperature and high humidity resistance, good tensile strength and bending strength, and good laser marking effect. In addition, the material has a simple preparation process, is environmentally friendly and clean, and has low cost, and can be directly laser marked in the product processing process to realize continuous and automatic industrial production.

The invention discloses an anodizing coloring method for a titanium-magnesium alloy. The method comprises steps as follows: (1), pretreatment; (2), anodizing: an anodizing solution is prepared from 20-60 parts by weight of potassium dichromate, 10-30 parts by weight of chromate, 10-20 parts by weight of sulfate, 10-50 parts by weight of sulfuric acid, 2-4 parts by weight of a blackening solution, 25-40 parts by weight of phosphoric acid, 20-40 parts by weight of phosphate, 1-10 parts by weight of acetic acid, 10-20 parts by weight of ethylene glycol, 15-30 parts by weight of sodium gluconate and 700-1,000 parts by weight of distilled water through mixing, a sample is taken as a working electrode, graphite is taken as an auxiliary electrode, the working electrode and the auxiliary electrode are completely soaked in the anodizing solution for anodizing; (3), follow-up treatment. The method is simple and easy, oxidation films with different thicknesses and good compactness can be obtained by controlling different voltage values, pH values of the anodizing solution and power-on time, and the market requirement of anodizing for metal surface treatment is met.