40results about How to "Damage to physical health" patented technology

The invention provides a metallized-film capacitor sealing agent composed of components of, by weight: 40 to 60 parts of petroleum wax, 10 to 15 parts of polyisobutylene, 20 to 30 parts of vaseline, 10 to 15 parts of mica powder, 10 to 15 parts of vermiculite powder, 10 to 15 parts of sulfur, 3 to 5 parts of straw ash, and 10 to 15 parts of attapulgite. The metallized-film capacitor sealing agentprovided by the invention has good toughness and plasticity, excellent electrical properties, and appropriate kinematical viscosity. With the sealing agent, gaps between metallized-film capacitors can be conveniently filled.

The invention provides a metalized-film capacitor encapsulating wax consisting of the following components in parts by weight: 40-60 parts of petroleum wax, 10-15 parts of polyisobutene, 20-30 parts of vaseline, 10-15 parts of sulfur, 3-5 parts of straw ash and 10-15 parts of attapulgite clay. The metalized-film capacitor encapsulating wax has excellent plasticity, good electrical property and proper kinematic viscosity and is convenient to fill the gap of the metalized-film capacitor.

The invention provides a sealing paste of a metallized film capacitor, which includes the following components, by weight, 40 to 60 parts of petroleum wax, 10 to 15 parts of polyisobutene, 20 to 30 parts of vaseline, 10 to 15 parts of mica powder, 10 to 15 parts of vermiculite powder, 10 to 15 parts of sulphur and 10 to 15 parts of attapulgite. The sealing paste of the metallized film capacitor has good toughness and plasticity, excellent electrical property and appropriate kinematic viscosity, and easily fills gaps of the metallized film capacitor.

The invention relates to a precise casting mold material, which comprises: petroleum wax, petroleum resin, high polymer, mineral wax and animal-plant wax. This product has high bending strength, superficial hardness, small linear shrinkage and ash, and well other properties, overcomes opposite in prior art, and fits to manufacture large-scale thin-wall integral fine-casting structure part.

A precision-casting mold material for ornament consists of hydrogenated microcrystalline wax, paraffin, petroleum resin, high-molecular polymer, mineral wax and animal and vegetable wax. It has better bending strength, surface hardness, thermal stability, fluidity, reutilization and less linear shrinkage rate. It can be used for gold and silver ornaments.

The invention relates to a kind of impregnation enveloping wax combination used for electronic components, which contains petroleum wax, petroleum resin, and adhesion promoter. The impregnation enveloping wax of the invention has the advantages such as high drop melting point, excellent high-temperature property, fine electrical property, low melting viscosity, good adhesivity, fine moisture resistance, and so on. Coil impregnation-enveloping materials for exclusive use to existing technology electronic components all take resin as main materials, and the impregnation-enveloping materials have higher cost. The impregnation encapsulating wax of the invention adapts to the impregnation and envelopment of inductance coil, mid-frequency and high frequency electric coil, and other electronic components.

The invention discloses aeroengine turbine guide vane polishing protection wax and a polishing method. The aeroengine turbine guide vane polishing protection wax is prepared from petroleum wax, abietic resin, hydrocarbon cream, a butylene polymer and the like by mixing processing according to a specific ratio. The aeroengine turbine guide vane polishing protection wax has good plasticity, good adhesiveness, appropriate physical and chemical performances and excellent use performances, is convenient for knife coating, can be removed easily, does not produce corrosion, toxins and pollution, and is environmentally friendly. The polishing method adopting the aeroengine turbine guide vane polishing protection wax comprises the following steps of protecting an air-guiding hole of a turbine guide vane by the aeroengine turbine guide vane polishing protection wax, carrying out polishing processing, and then removing the aeroengine turbine guide vane polishing protection wax. The polishing method can effectively prevent that metal chips block the air-guiding hole in turbine guide vane polishing.

The invention discloses a rolling mill used for box body plate processing of a television transmitter. The rolling mill includes a rail seat, a machine frame, a noise reduction housing and a motor. The noise reduction housing is mounted on the top end of the rail seat; the machine frame is mounted on one side of the top end side of the rail seat inside the noise reduction housing; one side of themachine frame is transversely provided with a lower roller bearing; an upper roller bearing is transversely disposed above the lower roller bearing; and the motor is mounted on the other side of the top end of the rail seat inside the noise reduction housing. Through arrangement of a spray nozzle, a spraying device, a water pump and a water tank, the water pump is operated to pump water into a water supply pipe, and then an upper roller and a lower roller are sprayed by the spray nozzle to dissipate heat and reduce temperature, thereby reducing the possibility of component damage caused by high temperature of the device, and the service life of the device is prolonged; and through arrangement of a second through mouth, a filter chamber and a semi-permeable membrane, sprayed water is filtered through the semi-permeable membrane to remove impurities entrained in the water, and re-enters the water tank to form a water circulation system, thereby saving water resources.

The invention relates to an insulation impregnated coating wax-sealed compound which comprises: petroleum wax, macromolecule wax, malthene and gelatin.

The present invention relates to a kind of electronic element sealing wax composite comprising petroleum wax, polymer wax, tackifier and plasticizer. The sealing wax has the features of high dropping point, excellent high temperature performance, good plasticity and flexibility, excellent electric performance, powerful sealing force, short solidification time, no corrosion, no impurity, etc., and has the sealing cost lower than available sealing material with resin as main component. The sealing wax is suitable for positioning and sealing electronic tuner, inductance coil and other electronic element coil.

The invention relates to an antique processing technology of an environment-friendly solid wood furniture decorative board, which utilizes raw lime to burn and soak the processed board to complete the coloring and insecticidal sterilization of the board. Specifically, the decorative board is soaked in a warming pool with raw lime and water for boiling. The processed boards can be made of high-grade furniture, decoration materials, indoor wooden doors, and musical instruments by burning and soaking raw lime. The invention is guided by the awareness of environmental protection advocated by the state to protect people's health from damage, so that indoor furniture and decorative materials do not release harmful gases and odors. The board does not change shape, does not crack, and increases the material density. The colors are mostly red, yellow and black, and it is an environmentally friendly new material with the characteristics of the original texture that is getting brighter and brighter.

The invention discloses a processing method of Chinese chestnut treated with sugar water, comprising the following steps of: (1) selecting raw materials; (2) preparing red bean sugar water; (3) soaking; (4) unshelling; (5) cutting with a knife; (6) candying; (7) canning; (8) preheating; (9) can sealing; (10) sterilizing; and (11) storing. In a production processing process of the Chinese chestnut, no chemical additive is added, original taste and nutritional value of the Chinese chestnut are guaranteed, no harm is done to physical health of human; red bean is delicious food and panacea used for treating diseases by doctors, traditional Chinese medicine shows that the red bean is sweet, acid and mild in smell and non-toxic, has the effects of resolving dampness and tonifying spleen, is applicable to people weak in spleen and stomach and is frequently used for treating hypertension, atherosclerosis and edema caused by various reasons as well as relieving summer heat, removing fever, detoxificating and invigorating stomach in food therapy, the Chinese chestnut is cooked in red bean sugar water, taste of the Chinese chestnut is enriched, and nutritional value of the Chinese chestnut is enhanced.

The invention provides potting wax for a metailized film capacitor. The potting wax for a metailized film capacitor comprises: by weight, 40 to 60 parts of petroleum wax, 10 to 15 parts of polyisobutylene, 20 to 30 parts of Vaseline, 10 to 15 parts of sulphur, 10 to 15 parts of mica powder and 10 to 15 parts of attapulgite. The potting wax for a metailized film capacitor has good toughness and plasticity, excellent electrical properties and suitable kinematic viscosity, and is convenient to fill gaps of a metailized film capacitor.

The invention provides a lithium ion secondary battery as well as an isolating membrane and a preparation method of the isolating membrane. The isolating membrane comprises a porous substrate and a coating, wherein the coating is arranged on the at least one side of the porous substrate. The coating contains polyurethane with the structure shown in formula 1; the polyurethane is formed by a section A with isocyanate group at the tail end and a section B with amido at the tail end which have reaction between the isocyanate group and the amido so as to generate urea bond; in the polyurethane, m and n are integers which are larger than or equal to 1; the section A is generated by the reaction among monomers R1, R2 and R3; the section B is generated by the reaction between monomers R4 and R5. The lithium ion secondary battery comprises the isolating membrane. The isolating membrane has good physical and mechanical properties, high temperature resistance and adhesive property, and effectively improves the safety of the lithium ion secondary battery and solves the problems of the deformation of the lithium ion secondary battery.

The invention relates to an electronic cigarette and a nebulizing device thereof. The nebulizing device comprises a smoke cartridge tube and a nebulizing component. The smoke cartridge tube is provided with a smoke passage, a liquid storage cavity and a liquid outlet allowing pass of liquid nicotine. The nebulizing component fits the liquid outlet and comprises a liquid guide body, a polysilicon heating layer and first and second electrodes; the liquid guide body covering the liquid outlet is made of porous material; the polysilicon heating layer is located on one side, far away from the liquid storage cavity, of the liquid guide body; the first electrode and the second electrode are both electrically connected with the polysilicon heating layer so as to connect to a power supply; the side of the polysilicon heating layer is communicated with the smoke passage. The liquid guide body made of porous ceramic is used for guiding liquid; the polysilicon heating layer heats and nebulizes the liquid nicotine leaking out; when the nebulizing component heats the liquid nicotine, no dust is generated and flows to the smoke passage, and the physical health of consumers is protected from impairment; the nebulizing device is simple in structure, convenient to assemble and lower in assembly and labor cost.