43results about How to "Not easy to age and deform" patented technology

The invention discloses light and thin multi-functional fabric with warm keeping, moisture absorbing and perspiring functions. The light and thin multi-functional fabric with warm keeping, moisture absorbing and perspiring functions has a double-layer structure, the inner layer is composed of hollow far infrared warm keeping fiber, hydrophilic moisture absorbing and perspiring fiber and cotton or viscose in a blending mode, and the inner layer has warm keeping, moisture guiding and perspiring functions; the surface layer is composed of elastic fiber and cotton or viscose in a blending mode, and the surface layer has durable elasticity and moisture absorbing and quick drying functions; a regular air heat insulation cavity is formed between the surface layer and inner layer after being connected, and the heat storage and warm keeping performances are reinforced. The fabric is light and thin and has warm keeping, moisture guiding and quick drying effects, durable size stability and good hand feel; the light and thin multi-functional fabric with warm keeping, moisture absorbing and perspiring functions is especially suitable for underwear, warm clothing and the like.

The invention refers to a kind of dental stone composite board which has fire resistance and waterproof function for decorating in clap and toilet field and the manufacturing method, the dental stone composite board is made up of fire resistance board, binding agent layer and dental stone board, the fire resistance board is on the surface, which is used as working face, the dental board is used as base layer, the binding agent layer is between the fire resisting board and dental stone board. The invention uses reasonable structure design and process of pressing the composite board in vacuum, thus the invention has excellent fire resisting and waterproof and surface wear-resistant performance.

The invention relates to a pavement restoration method. The pavement restoration method comprises the steps that a detection radar is utilized for detecting the void positions in a butting plate of a damaged bridge, the positions of grouting holes I are marked on the surface of the butting plate and are drilled, and the grouting holes I are deep to a hard soil layer, and are distributed in an array mode; the distance between the centers of the adjacent grouting holes is 10-20cm and the void positions fall in the array range; all grouting holes II penetrate through a soft soil layer and are intersected with the grouting holes I; the two ends of all the grouting holes are provided with exhausting one-way valves; grouting is carried out on the grouting holes I, and the three-dimensional detection radar is utilized for detecting the filling conditions of slurry in the void positions, all the grouting holes I and all the grouting holes II, and the grouting is stopped when the void positions, all the grouting holes I and all the grouting holes II are filled with slurry; after the grouting is stopped, the detecting radar is utilized for detecting and rechecking the filled parts, and drilling and grouting are carried out again on the parts without being filled with the slurry. The pavement restoration method has the advantage that the problem of the settling velocity difference between the hard soil layer and the soft soil layer is solved.

The invention belongs to the technical field of power switchesh, in particular to a power switch with waterproof and dustproof functions and an installation method thereof. The power switch comprisesa power switch body, one side of the power switch body is provided with a panel. An inner shell and an outer shell are arranged on the outer side of the power switch body; the openings of the inner shell and the outer shell are movably connected with a mask; one side of the mask is rotationally connected with a knob; one side, close to the mask, of the knob is fixedly connected with one end of a rotating shaft, the other end of the rotating shaft extends to the inner side of the inner shell and is fixedly connected with one side of a turntable, a pushing shaft is fixedly connected to the top of the other side of the turntable, a frame slidably sleeves the outer side of the pushing shaft, and the top end of a pressing rod is fixedly connected on the bottom side of the frame. The power switch is reasonable in design, the opening and the opening area of the mask are effectively reduced, the sealing part is conveniently arranged, the sealing part is not prone to aging and deformation, reliability is high, the service life of the power switch is prolonged, on-off action of the power switch is conveniently achieved, and the power switch is suitable for application and popularization.

The invention provides a benzophenanthrene derivative and an organic light-emitting device thereof, and relates to the technical field of organic photoelectric materials. The provided benzophenanthrene derivative has excellent hole transport performance and high heat resistance stability, needle holes cannot be formed in a formed film easily and the formed film cannot be aged or deform easily, thefilm is applied to the organic light-emitting device as a hole transport material, the light-emitting efficiency of the device can be improved, the service life of the device is prolonged, and furthermore, the driving voltage of the device can be reduced. The provided benzophenanthrene derivative can further serve as a covering layer, and thus, the light-emitting efficiency of the device is improved.

The invention relates to a dam reinforcement method and a reinforcing sizing agent. The dam reinforcement method comprises the following steps: selecting a section of dam needing to be reinforced, and manufacturing an enclosing cover adapting to a dam body according to the shape of the dam body; placing the enclosing cover on the outer side of the dam body, wherein the lower end of the enclosing cover is inserted in underwater silts and the upper end of the enclosing cover emerges from water, and side panels of the enclosing panel are arranged close to the outside surface of the dam body and cling to the outside surface of the dam body through sealing strips; placing a plurality of grouting lines in the enclosing cover in sequence, wherein the lower ends of the grouting lines extend into the bottom of the enclosing cover; grouting grouting holes and detecting the sizing agent filling condition immediately by an underwater camera, filling the inner space of the enclosing cover with the sizing agent from the bottom of the enclosing cover gradually, and draining water accumulated in the inner space from the top of the enclosing cover, and when the sizing agent overflows from the top of the enclosing cover, stopping grouting; after the sizing agent is fully solidified, taking down the enclosing cover and carrying out hole sealing on the grouting lines; forming a waterproof reinforcing structure layer on the outer side of the dam after the sizing agent is solidified to prevent water from seeping into the dam body or damaging the dam body due to erosion of water to the surface of the dam body.

The invention relates to rubber for shaft sleeves. The rubber is prepared from the following raw materials in parts by weight: 60-80 parts of butadiene-acrylonitrile rubber, 6-9 parts of softening plasticizer, 8-11 parts of foamer, 4-9 parts of nano white carbon black, 2-5 parts of catalyst, 3-6 parts of vulcanizing agent, 7-12 parts of naphthenic oil, 6-9 parts of zinc borate, 2-4 parts of sulfur and 1-3 parts of reinforcing powder. The rubber has the beneficial effects that the rubber material disclosed by the invention is good in heat resistance and is not prone to aging deformation.

The invention discloses a corrosion-resistance ultrahard aluminum alloy material and a production process. The corrosion-resistance ultrahard aluminum alloy material comprises the following raw materials in percentage by mass: 1.5-3% of Cu, 1.8-2.5% of Mg, 7.5-8.4% of Zn, 0.03-0.06% of Ti, 0.55-2.5% of W, 0.05-0.25% of Zr, 0.05-0.08% of Dy, 0.05-0.15% of Gd, 0.3-0.45% of Er, 0.3-0.4% of Ce, 0-0.1%of Si, 0-0.15% of Fe, and the balance of aluminum. The corrosion-resistance ultrahard aluminum alloy material has the advantages of high hardness, high strength, wear resistance, corrosion resistanceand excellent crack resistance, can be used in an extreme environment, is not easy to age and deform, long in service life, and is suitable for producing aeroengine compressor parts, secondly structural parts of rockets, guided missiles and high-speed aircrafts.

The invention discloses a pressure relief building board using modified expanded and vitrified beads and an installation structure thereof. The pressure relief building board includes a board body, the board body consists of a board skeleton, modified expanded and vitrified beads, basalt fiber, and a plate skeleton, and a cementing material coating the board skeleton and the components, and the cementing material is added with a high quality compound, low-alkali and low hydration heat permeation resistant agent, thus solving the problems of easy aging and deformation, high maintenance cost, difficult breakage, sharp fragment and large impact energy after breakage, and lack of processing and cutting ability according to the actual needs of project sites in existing pressure relief boards. The invention provides the novel pressure relief board with the advantages of light weight, pressure relief, no toxicity or harm, fire prevention, durability, friableness, thermal insulation, sound insulation, waterproofness and the like and certain bearing capacity.

The invention relates to the field of rubber, in particular to rubber used on a shaft sleeve assembly of a fan. The rubber is prepared by compounding and vulcanizing 100 parts by mass of nitrile rubber, 4-6 parts by mass of zinc oxide, 1-3 parts by mass of stearic acid, 0.5-0.8 part by mass of sulfur, 0.8-1.2 parts by mass of an accelerator TMTD (Tetramethyl Thiuram Disulfide), 1.3-1.8 parts by mass of a vulcanization accelerator, 35-40 parts by mass of semi-reinforcing carbon block, 10-15 parts by mass of carbon black 330, 18-22 parts of barium sulfate, 4-6 parts of vaseline and 0.8-1.2 parts of aging resistant 4010 NA. The rubber used on the shaft sleeve assembly of the fan has the advantages of high heat resistance, difficulty in causing aging and deformation of a rubber part and long service life of the shaft sleeve assembly.