30results about How to "Low impact resistance" patented technology

The invention discloses a mullite fiber reinforced porous ceramic product. The mullite fiber reinforced porous ceramic product comprises the following components in percentage by weight: 50 to 58 percent of waste ceramic fragment, 40 to 48 percent of foaming mineral, 0.1 to 2 percent of sintering modifier and 0.1 to 5 percent of mullite fiber. A method for preparing the mullite fiber reinforced porous ceramic product comprises the following steps of: pulverizing and mixing the waste ceramic fragment, the foaming mineral and the sintering modifier to perform ball milling; adding the mullite fiber into the mixture and continuing to stir the mixture; performing spray drying; after the mixture is staled, paving pug into a detachable fire-resistant combined mould; slicking the mould and placing the mould into a kiln; and firing to obtain the light-weight uniform and sealed micropore-containing mullite fiber reinforced ceramic product. The mullite fiber reinforced porous ceramic product andthe preparation method thereof have the advantages of improving the mechanic property and the durability of the porous ceramic material, solving the problem of environmental pollution of waste ceramics and realizing recycling comprehensive utilization, along with great economic and social benefits and the like.

The invention belongs to the technical field of adhesives, and particularly relates to an ultraviolet-heat dual curing optical adhesive containing epoxidized polybutadiene resin. The ultraviolet-heat dual curing optical adhesive comprises the following components in percentage by weight: 14.5%-45% of epoxidized polybutadiene resin, 10%-40% of alicyclic epoxy modified resin, 5%-15% of polyolefin liquid rubber, 25.5%-35% of an acrylic ester reactive diluent, 2.4%-3.4% of a free radical photoinitiator, 0.1%-0.2% of a cationic photoinitiator and 2%-2.5% of a peroxide initiating curing agent. The optical adhesive disclosed by the invention is relatively completely solidified at a shaded part, a dark adhesive layer part or a thick adhesive layer part, has excellent optical properties such as high refractive index and high transmittance after being solidified, has the advantages of shock resistance, low yellowing coefficient, low haze, low shrinking percentage, easiness in repairing and good flexibility, meets the requirements of optical, physical and chemical properties of display devices, and is suitable for fast-tempo and high-efficiency production processes.

The invention discloses a highly weather-resistant light-colored halogen-free flame-retardant PC / ASA alloy material, which is made of the following components in parts by weight: 600-800 parts of PC; 50-250 parts of ASA; 50-150 parts of halogen-free flame-retardant 0-50 parts of toughening agent; 50-200 parts of titanium dioxide; 4-8 parts of flame retardant and anti-dripping agent; 1-10 parts of antioxidant; 1-15 parts of mold release agent; UV agent. The mass ratio of the titanium dioxide in the raw material of the highly weather-resistant light-colored halogen-free flame-retardant PC / ASA alloy material is 4.7-17%. The product surface of the high weather resistance light-color halogen-free flame-retardant PC / ASA alloy material of the present invention has a good color retention rate. After 1000 hours of light, the color difference is less than 4. Due to the increase in the content of titanium dioxide, the performance of the material and the appearance of the product can be effectively protected. .

The invention relates to the technical field of plastic pipes, and in particular relates to a super-tough and super-flexible high-temperature-resistance polyvinyl chloride pipe and a manufacturing technology thereof. The super-tough and super-flexible high-temperature-resistance polyvinyl chloride pipe comprises the following components in parts by weight: 50-65 parts of polyvinyl chloride, 25-38 parts of chlorinated polyvinyl chloride, 12-18 parts of shock resistance agent, 4-10 parts of filler, 3-8 parts of stabilizing agent, 2-5 parts of plasticizer, 0.1-0.6 part of external lubricating agent, 0.1-0.6 part of internal lubricating agent and 3-7 parts of modifying agent. The pipe has the advantages of high intensity, high super-flexibility, high-temperature resistance, shock resistance, corrosion resistance and lower cost and can meet a construction requirement on an electronic pipe.

The invention relates to an environmentally friendly flame-retardant injection molding grade ACS modified material, which comprises the following raw material components in parts by weight: 45-65 parts of acrylonitrile-styrene copolymer; 15-35 parts of chloroprene rubber; brominated flame-retardant 8-12 parts of antimony flame retardant; 3-5 parts of antimony flame retardant; 0.2-1 part of lubricant; 0.1-1 part of antioxidant; 1-3 parts of environmentally friendly composite stabilizer; 3-6 parts of toughening agent Described environment-friendly composite special stabilizer is (35-45) according to mass ratio by calcium stearate, zinc stearate, magnesium hydroxide, hydrotalcite, antioxidant: (35-45): (6-12 ): (3-8): (3-8) ratio composition. The above-mentioned ACS modified material uses chloroprene rubber instead of polyvinyl chloride, which not only plays a role in flame retardancy, but also plays a role in toughening. The use of environmentally friendly compound special stabilizers not only meets the environmental protection requirements of REAH and RoHS, but also has very good performance. Excellent heat stabilization effect, not easy to decompose, can be used for injection molding.

The invention discloses a preparation method of a functional slurry for a sheet-type electrostatic suppressor, which comprises the following steps: ① mixing the following compounds according to the mass component ratio: 30-40 lead oxide, 30-45 aluminum oxide, 30-45 aluminum dioxide Silicon 4-6, diboron trioxide 15-25, zinc oxide 2-6; ② Ball mill the mixture and dry it at 100°C; ③ The dried raw material is heated to 1200°C for 3 hours and kept for 1 hour, then naturally cooled ; ④ Vibrate and ball mill the ceramic material obtained from the reaction to obtain ceramic powder, and test the particle size and specific surface area; into slurry. The functional slurry developed by the invention can be applied to a chip-type electrostatic suppressor, and can withstand more than 1000 times of 8KV electrostatic shock.

The invention relates to a water-soluble alkyd resin-sulfur compound capsule controlled release fertilizer and a preparation method thereof. The capsule controlled release fertilizer consists of a fertilizer core and a capsule which is outside the fertilizer core; wherein, the capsule comprises a sulfur capsule, the exterior of the sulfur capsule has a polymer film that contains water-soluble alkyd resin capsule agent and an inorganic layer that is arbitrarily arranged outside the polymer film and contains inorganic powders.

The invention relates to frame filling body heat insulating board. It includes frame structure body heat insulating material, obturator heat insulating material, non cold bridge connecting piece, and edge sealing heat insulating material. The obturator heat insulating material is embedded in cavity of the frame structure body heat insulating material, and divided the cavity into enclosed type air space and open type air space. Air vent is set in open type air space and side wall of the frame structure body heat insulating material. The non cold bridge connecting piece is made up of lock catch and net band. It is set in frame structure body heat insulating material, or cross the edge sealing heat insulating material. Outer surface cross recess is set on outer surface of the frame structure body heat insulating material. The invention can apply in wall body outer heating and so on. Its advantages are light, crack resistance, sound insulation, heating, low cost, and so on. And it can satisfy country building energy conservation standard.

The invention discloses a two-stage vibration isolation buffer, which belongs to the technical field of vibration isolation buffers. The invention solves the problems of low energy conversion rate and longitudinal impact resistance of the existing vibration isolation buffer. The lower part of the connecting end cover is set between the two cylinders and fixedly connected with the secondary cylinder body, the upper part of the connecting end cover is inserted into the primary cylinder body and fixedly connected with the inner wall of the primary cylinder body, and the piston slides up and down and is set at The first-stage cylinder and the upper part of the piston pass through the first-stage cylinder and are fixedly connected to the guide cylinder. The composite diaphragm is fixedly clamped between the connecting end cover and the second-stage cylinder and is attached to the inner wall of the connecting end cover. The composite membrane The upper surface of the middle part of the sheet is attached to the bottom of the piston, and the composite diaphragm, the connecting end cover and the first-stage cylinder form a closed first-stage chamber. This application has two sealed chambers isolated from each other, which realize energy consumption and energy storage at the same time. On the basis of molecular springs, combined with the working principle of energy consumption type vibration isolation buffer, it overcomes the low natural frequency and small vibration under heavy load. Static deformation can not have both problems.