36results about How to "Won't become brittle" patented technology

The invention provides an inorganic foaming filling and reinforcing composition for a coal mine as well as a using method and application thereof. The inorganic foaming filling and reinforcing composition for the coal mine can be used as a novel safe plugging and reinforcing material, is especially suitable for plugging and reinforcing of the coal mine, and is the best water-proof, fire-proof, gas-proof, collapse-proof and accident-proof material.

The invention provides a novel FPC composite electromagnetic shielding film and a preparation method thereof. The method comprises the following steps: 1) preparing coating materials of a first insulation paint layer, a second insulation paint layer, an electromagnetic wave reflection coating layer and an electromagnetic wave absorbing coating layer; and 2) carrying out coating, wherein the firstinsulation paint layer is a wear-resisting coating, wear resistance being larger than 1000 times; the second insulation paint layer is a high-filling and high-toughness coating, bending resistance times being larger than 80000; the coating material of the electromagnetic wave reflection coating layer comprises reflection layer matrix resin and metal fillers, the metal fillers being flake silver-clad glass or flake silver-clad copper powders or leaf-like silver-clad copper powders or dendritic silver-clad copper powders; the ratio of the matrix resin and the metal fillers of the electromagneticwave reflection coating layer is 1:1.5-1:5; the electromagnetic wave absorbing coating layer comprises absorbing layer matrix resin and wave absorbing materials; the carrier film is a matte release film. The novel FPC composite electromagnetic shielding film has better flexibility, bending resistance, product flatness and shielding effect.

The invention discloses a special flow type silicone sealant for a road. The special flow type silicone sealant for the road comprise raw materials in parts by weight as follows: 54-58 parts of room temperature vulcanized methyl silicone rubber with the viscosity of 1,200-1,600 mPa*s, 115-125 parts of room temperature vulcanized methyl silicone rubber with the viscosity of 18,000-20,000 mPa*s, 210-220 parts of silica powder, 122-130 parts of nano calcium carbonate, 0.1-1 part of di-n-butyltin dilaurate, 22-30 parts of methyltris(methylethylketoxime)silane, 5-10 parts of vinyltris(methylethylketoxime)silane and 1-2 parts of a coupling agent. The special flow type silicone sealant for the road has excellent high-low-temperature resistance and weather aging resistance, cannot deform in an environment with the too high or too low temperature and has good extensibility, elasticity, convenience in construction and long service life.

The invention provides a preparation method of a reflective electromagnetic shielding film for FPC, comprising the following steps: first, preparing a coating of a first insulating coating layer, a second insulating coating layer and an electromagnetic wave reflecting coating; 2, coat; The first insulating coating layer is an abrasion-resistant coating, and the abrasion resistance is more than 1000 times; The second insulating coating layer is a coating with high filling and high toughness, and the bending resistance is more than 80000; The coating of electromagnetic wave reflective coating comprises a base resin and a metal filler, wherein the metal filler is sheet silver-coated glass or sheet silver-coated copper powder or leaf silver-coated copper powder or dendritic silver-coated copper powder; The carrier membrane is matte photoionization membrane. The metal filler has a size of 1 to 2 [mi]m in the thickness direction, a planar size of 3 to 9 [mu]m, and 3 to 5 bifurcations on theleaf-shaped metal filler; the ratio of the matrix resin to the metal filler of the electromagnetic wave reflective coating is 1:1.5 to 1 :5 The invention has better flexibility, bending resistance, product flatness and shielding effect.

The production process of fancy artificial plate blank with natural color difference includes the following main steps: selecting timber of different colors; cutting into timber tow or skein; mixing and drying; soaking with glue and drying; metering and feeding; pressing and curing; demolding and post-finishing. The fancy artificial plate blank or column blank has color spots and color grains of various natural colors in different directions. It may be made into different products, such as floor board, wall plate, furniture, etc and has high density, high strength, color and grain variety, completely new visual effect and other advantages.

The invention discloses a novel multi-purpose environment-friendly methanol-based alternative fuel and a preparing method thereof and belongs to the field of alcohol ether alternative fuel. The novel multi-purpose environment-friendly methanol-based alternative fuel is prepared from, by mass, 85-95 parts of methanol, 5-15 parts of a heat value regulator, 0-5 parts of a combustion stabilizing agent, 0-5 parts of a combustion improver, 0-5 parts of a thickening curing agent, 0-5 parts of a water-proof agent and 0-5 parts of a corrosion inhibitor. The novel multi-purpose environment-friendly methanol-based alternative fuel has the advantages of being large in methanol proportion, long in waterproof stable phase, and high in heat value and power performance; the cold staring performance, air resistance tolerance, low corrosion and rubber swelling prevention performance are superior to those of traditional methanol fuel, and the six existing problems hindering use and popularization of methanol gasoline for a long time are solved. The cost is low, and good economic benefits, social benefits and environmental benefits are achieved. The novel multi-purpose environment-friendly methanol-based alternative fuel is applied to boilers, automobile engines and other various occasions, and can be stably combusted for a long term, use equipment such as automobile engines does not need to be transformed, and the fuel can be directly used. The fuel is stored in a solid state, so that transportation is convenient, and use is safer.

The invention discloses a production formula of cold-resistant HIPS particles, which comprises the following components in percentage by weight: 85-95% of HIPS resin powder, 2-6.5% of cold-resistant agent, 0.5-1% of UV powder, and 0.5-1% of iron oxide black powder % and silicon steel powder 2 to 8%. The cold-resistant HIPS particles of the present invention have extremely high cold-resistant properties, greatly reduce their brittleness, that is, improve their physical properties such as tensile strength, flexural strength, and flexural modulus, and increase their toughness. In the environment of minus 40 degrees Celsius, it is not easy to age, not to become brittle, not easy to burst, and it is easy to demould when injection molding products, which helps to improve production efficiency and increase molding output.

The invention discloses a multi-station hopper and relates to the field of building material machining. The multi-station hopper comprises feeding disks which are all sequentially connected vertically, a rotating shaft, an electromagnetic vibrator and a controller. The feeding disks are disks which are connected through the rotating shaft and made from soft iron; the inner surface of each feeding disk is provided with a slide way which spirally rises; an outlet of each slide way is an outlet of the corresponding feeding disk; a spiral spring is arranged between the corresponding feeding disk and the electromagnetic vibrator; an electromagnet capable of being attracted to or separated from the corresponding feeding disk is arranged in the electromagnetic vibrator; a starting switch is arranged on a shell of the electromagnetic vibrator; the electromagnetic vibrator is fixedly connected with the controller; a motor and a control circuit connected with the motor are arranged in the controller; and a shell of the controller is provided with an adjusting button which is electrically connected with the control circuit and can adjust the vibrating frequency of the electromagnetic vibrator and the rotating speed of the motor. The multi-station hopper can feed materials to various stations at the same time.

The invention discloses a production process of a water-milled carbonized bamboo summer sleeping mat, and relates to the technical field of bamboo summer sleeping mat processing. The production process of the water-milled carbonized bamboo summer sleeping mat comprises the following steps of bamboo skin strip preparation, drying, baking and carbon-burning, dipping treatment, cleaning and polishing, weaving and yarn covering. In the dipping treatment process, the carbon-burned bamboo skin strips are cleaned, then placed in a water mill to be subjected to water milling, taken out and drained. Then the bamboo skin strips are placed in a dipping tank containing a modification solution to be dipped and then placed in a constant-temperature furnace to be subjected to heat preservation treatment, and the modification solution is composed of sodium borate, N-acyl glutamate, triethanolamine, a pepper tree leaf extracting solution, a mugwort extracting solution and other raw materials. According to the water-milled carbonized bamboo summer sleeping mat provided by the invention, the preparation method of the bamboo summer sleeping mat is simple, operation is easy, the raw materials are easy to obtain, cost is low, the bamboo summer sleeping mat has the antibacterial and mosquito-repelling effects, the antibacterial and mosquito-repelling lasting time is long, and the bamboo summer sleeping mat further has the advantages of being high in strength, high in toughness, not prone to brittle fracture and long in service life.

The invention discloses a high-tensile-strength environmentally-friendly plastic masterbatch polymer carrier and a preparation method thereof, the method is as follows: firstly using terephthalic acid, adipic acid and ethylene glycol for synthesis of environmentally-friendly biodegradable material PEAT (poly terephthalic acid / ethylene glycol adipate) as a main component of the masterbatch polymer carrier, using a screw extruder for blending and extruding 40%-90% by weight of PEAT, 5%-25% by weight of PLA, 1%-5% by weight of malacolac HY, 2%-15% by weight of PPC, 0.3%-2% by weight of rosin resin TF-100, 0-10% by weight of starch, 0-15% by weight of multilayer graphene, 0.1%-2% by weight of a compatilizer, 0.05%-0.2% by weight of an antioxidant A, 0.05%-0.15% by weight of a chain extender, 0.1%-0.5% by weight of a coupling agent and 0.1%-0.3-% by weight of a light stabilizer to obtain the masterbatch polymer carrier. The masterbatch polymer carrier has the characteristics of high molecular weight and uniform distribution, and has higher flexural and tensile strength and other excellent mechanical properties, and the synthesized polymer and materials used in the extrusion process all have degradation property, and belong to environment-friendly materials free of pollution to the environment.

The invention discloses an inorganic environment-friendly high-strength composite fireproof heat-insulation plate. The inorganic environment-friendly high-strength composite fireproof heat-insulationplate comprises, by weight, 150-250 parts of 525 cement, 100-200 parts of high-calcium powder, 150-250 parts of medium materials, 10-30 parts of adhesive powder, 20-40 parts of sodium silicate, 10-30parts of silicon and calcium powder, 10-30 parts of setting accelerators, 5-15 parts of foaming agents, 100-200 parts of 425 cement and 20-80 parts of inorganic fibers. The inorganic environment-friendly high-strength composite fireproof heat-insulation plate has the advantages that good heat-insulation effects can be realized by the inorganic environment-friendly high-strength composite fireproofheat-insulation plate, the inorganic environment-friendly high-strength composite fireproof heat-insulation plate has moderate density, is good in fire resistance and can be quickly solidified and dried under low-temperature conditions, and the construction time for constructing the inorganic environment-friendly high-strength composite fireproof heat-insulation plate in the north in autumns andwinters can be shortened.