1873 results about "Latex rubber" patented technology

The invention discloses a high-performance green and environment-friendly single-component polymer cement waterproof dry blend and a preparation method thereof, and relates to the technical field of building materials, the high-performance green and environment-friendly single-component polymer cement waterproof dry blend comprises the following components: an inorganic cementing material, latex powder, graded quartz sand, a functional filler, cellulose ether, an organic silicon defoamer, a polycarboxylic acid water reducer and compound fibers; the functional filler is modified waste glass powder prepared through mechanical activation and silanization modification; the compound fiber is a mixture of modified glass fiber and modified polypropylene fiber; the preparation of the modified glass fiber comprises tannic acid and polyethyleneimine combined modification and graphene oxide modification, and the preparation of the modified polypropylene fiber comprises plasma activation. The polymer cement waterproof dry blend prepared by the method adopts the glass powder to replace natural mineral filler, is energy-saving and environment-friendly, and the cement matrix is modified by various fibers, so that the prepared polymer cement dry blend is excellent in comprehensive performance.

The invention discloses reactive compatible ACR-PHA core-shell latex and application thereof, and belongs to the field of polymer chemistry and material science. The latex comprises composite particles with core-shell, gradient core-shell, raspberry-shaped or Janus heterostructure, interfaces of ACR phase and PHA phase of the latex are connected through covalent bonds, and the compatibility problem of physical blending is fundamentally solved. The latex particles have a Z-average particle size of 80-400 nm, a PDI of less than or equal to 0.30, and a minimum film formation temperature (MFFT) of-10 to 12 DEG C. The coating prepared by the invention has excellent high-humidity barrier stability (WVTR is less than or equal to 65g / m.d), low-temperature rapid heat sealability, water resistance, oil resistance and complete recoverability, does not contain PFAS, is an ideal alternative scheme of a traditional PE (Polyethylene) spraying film, and is suitable for the fields of food packaging paper, paper cups, bowls and the like.

The invention provides a modified coal gangue-based large-flow-state grouting and water plugging material and a preparation method thereof. Comprising 80-90 parts of a coal gangue sample, 1-5 parts of Portland cement, 1-5 parts of sulphoaluminate cement, 0.51-3 parts of a polycarboxylic acid water reducing agent, 1-4 parts of cellulose ether with the viscosity of 200w, 0.1-5 parts of a calcium oxide expanding agent, 0.5-5 parts of a plastic expanding agent, 0.5-1 part of redispersible latex powder, 0.5-5 parts of polyacrylamide with the molecular weight of 1000 and water, and the water-material ratio is 0.4. According to the modified coal gangue-based large-flow-state grouting and water plugging material and the preparation method thereof, the cement consumption can be remarkably reduced, the cost is reduced, the utilization rate of solid wastes (such as coal gangue) is increased, and the material has good flow-state performance and adjustable setting time; the method is suitable for deep and large shaft surrounding rock water seepage treatment in coal mining and other mine engineering.

The invention belongs to the field of building decoration materials, and discloses a GRG gypsum composite reinforced material and a preparation method thereof. The high-strength concrete is prepared from the following components in parts by weight: 45 to 65 parts of alpha-semi-hydrated gypsum, 12 to 20 parts of composite reinforced fiber, 0.5 to 2 parts of graphene nanofiber, 2 to 5 parts of nano silica fume, 5 to 10 parts of ethylene-vinyl acetate copolymer latex powder, 1 to 2.5 parts of hydroxypropyl methyl cellulose, 0.1 to 0.8 part of polycarboxylic acid type water reducing agent, 1 to 4 parts of calcium stearate, 3 to 8 parts of vermiculite powder and 28 to 40 parts of deionized water. Aiming at the problems that an existing GRG material is insufficient in mechanical property, low in fireproof grade, poor in thermal performance, poor in durability and the like, a multi-dimensional synergistic enhancement system is constructed by adopting composite reinforced fibers, functional nanofiller and a gradient preparation process, the problems of dispersion and interfacial compatibility of the nanofiller are solved, and the comprehensive performance of the GRG material is improved. The performance breakthrough of high strength, high fire resistance, low heat conduction and long durability is realized.

The invention relates to the technical field of building materials, in particular to impermeable waterproof dry-mixed mortar and a preparation method thereof. The impervious waterproof dry-mixed mortar is prepared from the following raw materials in parts by weight: 1400 to 1550 parts of machine-made sand, 380 to 420 parts of Portland cement, 60 to 80 parts of fly ash, 30 to 50 parts of expanded perlite, 10 to 20 parts of latex powder, 7 to 10 parts of sepiolite powder, 5 to 10 parts of nano wollastonite powder, 2 to 4 parts of hydroxyethyl methyl cellulose, 2 to 5 parts of sodium citrate, 10 to 20 parts of fiber reinforcing agent, 3 to 5 parts of impervious agent, 6 to 10 parts of waterproof agent, 2 to 4 parts of expanding agent and 3 to 6 parts of water reducing agent. The dry-mixed mortar prepared by the invention not only has excellent mechanical properties, but also has good impermeability and waterproof performance, and the service life of the dry-mixed mortar is prolonged to a certain extent while the quality of the dry-mixed mortar is effectively guaranteed.

Multi-ply tissue products, particularly tissue products prepared from two or more wet pressed tissue plies that have been recreped using a print-crepe process that deposits a latex polymer on at least one of the outer surfaces of each tissue ply. The tissue products have improved strength and softness, such as a geometric mean tensile strength (GMT) greater than about 1,400 g / 3″, a geometric mean tensile energy absorption (GM TEA) of about 20 g·cm / cm2 or greater and a TS7 value less than about 16.0. In certain instances, the tissue products also have a low degree of stiffness and a relatively smooth surface, such as a Stiffness Index less than about 8.00 and a TS750 value less than about 20.0.

The present invention provides a glue dipping machine, and relates to the technical field of glue dipping machines. The glue dipping machine comprises a machine body, a glue spraying side frame is fixedly connected to the left side of the machine body, a reciprocating glue spraying machine is arranged on the upper part of the glue spraying side frame, and a conveying device is arranged inside the glue spraying side frame; a third spiral lifter is arranged on the upper surface of the machine body and located on the left side, a feed roller is arranged at the output end of the third spiral lifter, and an auxiliary roller is arranged inside the machine body and located on the left side. The latex and silicone are fully mixed by the reciprocating glue spraying machine, and then the reciprocating glue spraying is performed, and then the latex and silicone can be fully entered through the extrusion of the feed roller and the auxiliary roller, so that the processed finished product can be exposed to the sun and boiled in water, and the service life is longer, and there is no need to provide a vacuum environment. After processing, the fiber layer contains more glue. After dipping, the excess glue is squeezed twice to reduce the waste of glue, and the final finished product has a better bonding effect.

The invention discloses latex skeleton aerobic granular sludge and a preparation method thereof, and belongs to the technical field of sewage treatment. The aerobic granular sludge takes a porous natural latex carrier as a core skeleton, anaerobic sludge is fixed on the carrier, and after being mixed and wrapped with a sodium alginate solution, the mixture is dropwise added into a calcium chloride solution to be cured to form gel particles. The preparation method comprises the following steps: crushing the natural latex, screening to obtain particles with the particle size of 0.4-1.2 mm, and soaking the particles in alkali liquor with the pH value of 10-12; the method comprises the following steps: centrifugally concentrating anaerobic sludge to 10000 to 20000 mg / L; mixing the treated latex carrier, anaerobic sludge and a 1%-5% sodium alginate solution according to a volume ratio of 5: (2-5): (2-5); dropwise adding the mixture into a calcium chloride solution with the concentration of 3-7%, and curing to form gel particles; and putting the gel particles into a sewage treatment aerobic tank, injecting domestic sewage, and carrying out aeration domestication for 3-6 days until the particles become earthy yellow. The granular sludge prepared by the invention has the advantages of stable structure, good settling performance and high pollutant removal efficiency.

The present invention relates to a flexible iron aluminate cement-based supercapacitor and a preparation method thereof. The flexible iron aluminate cement-based supercapacitor is assembled with rGO / Ni as the positive electrode, rGO@α-Fe2O3 spindle / Ni as the negative electrode, and polyacrylamide-cement-emulsion-latex powder-water-KOH as the flexible cement-based solid electrolyte. Compared with the prior art, the flexible energy storage cement-based material, as a new type of building material integrating structure / function, realizes the integration of flexible lightweight design and functional technology. Its flexible characteristics can closely fit complex-shaped buildings and have good adaptability to special-shaped curved building structures. At the same time, a non-destructive construction process can also be adopted, and the energy storage function can be imparted to the existing structure by an external pasting method, so that the energy storage function can be imparted without structural reconstruction.

The invention relates to the technical field of coating compositions, and particularly discloses an ardealite-based heat-insulation fireproof coating and a preparation method thereof.The ardealite-based heat-insulation fireproof coating is prepared from titanium dioxide modified ardealite, hollow glass beads, styrene-acrylic emulsion, modified composite flame-retardant fibers, calcium sulfate whiskers, microencapsulated red phosphorus, redispersible latex powder, deionized water, a dispersing agent and a defoaming agent; the preparation method comprises the following steps: firstly, preparing titanium dioxide modified phosphogypsum, secondly, modifying the composite flame-retardant fiber, and finally, mixing and stirring all the components. Through the synergistic effect of the titanium dioxide modified phosphogypsum and the composite flame-retardant fiber and in combination with an ultrasonic-assisted preparation process, a double heat-insulating barrier and a synergistic flame-retardant mechanism is formed; and calcium sulfate whiskers are matched for toughening, so that the fireproof heat-insulating performance and the structural stability of the coating are improved, and the problem that the coating is easy to crack is solved.

The invention belongs to the technical field of cement pole materials, and particularly relates to a high-strength cement pole material and a preparation method thereof. The high-strength cement pole material is prepared from the following components in parts by weight: 450 to 500 parts of cement, 60 to 80 parts of fly ash, 500 to 550 parts of fine aggregate, 800 to 1000 parts of coarse aggregate, 80 to 120 parts of slag powder, 30 to 50 parts of composite fiber, 5 to 10 parts of redispersible latex powder, 2 to 6 parts of water reducing agent and 100 to 150 parts of water, the composite fibers comprise modified basalt fibers and polypropylene reticular fibers. According to the high-strength cement pole material provided by the invention, the polypropylene reticular fibers and the specific modified basalt fibers act together, so that the cement pole material has high compressive strength and high breaking strength, and a cement pole prepared from the cement pole material has high flexural capacity.

The invention belongs to the technical field of concrete preparation, and particularly relates to a preparation method of a large-mixing-amount concrete composite admixture with solid waste residues as raw materials. The large-dosage concrete composite admixture provided by the invention comprises the following raw materials: phosphogypsum subjected to activation and modification treatment, lithium slag powder subjected to calcination and fine grinding treatment, silica fume, redispersible latex powder, quartz powder and sodium silicate, and the raw materials are added into concrete to serve as cement replacement components. And the compressive strength, static elastic modulus, impermeability, freezing resistance and other properties of the concrete are not influenced.

The invention relates to the technical field of building materials, and discloses fire-resistant decoration waste exterior wall external thermal insulation mortar and a preparation method thereof. The fire-resistant decoration waste exterior wall external thermal insulation mortar comprises the following raw material components in parts by weight: 60-410 parts of cement; 120 to 550 parts of decoration waste recycled aggregate; 36 to 75 parts of SiO2 aerogel; 8 to 17 parts of a silane coupling agent; 1.3 to 2.1 parts of dispersible latex powder; 0.5 to 1.0 part of methyl cellulose; 7-15 parts of a water reducing agent; 0.2 to 0.4 part of an air entraining agent; and 120 to 180 parts of water. According to the invention, the low-cost and high-strength decoration waste recycled aggregate is used for partially replacing expensive and low-strength aerogel, so that the thermal insulation performance of the mortar is ensured, and the material cost is greatly reduced; the decoration garbage exterior wall external thermal insulation mortar can resist high-intensity fire disasters with the highest temperature of 1000 DEG C and the fire receiving time of 2.5 h, and can be applied to exterior wall external thermal insulation systems of high-rise and super high-rise buildings with high fire extinguishing difficulty.

The invention provides a ceramic tile back surface charged bead effect scavenger and a preparation method thereof, and belongs to the technical field of building materials. The scavenging agent comprises the following components in percentage by mass: 0.5-5% of a silane coupling agent, 2-10% of acrylate-vinyl versatate copolymer latex powder, 1-8% of silicon dioxide nanoparticles, 8-20% of an alkaline component, 3-10% of a bio-based surfactant, 1-5% of lipase, 8-20% of an adsorbent and 40-70% of a filler. The remover can effectively remove the bead effect on the back of the ceramic tile, improve the adhesive property of the ceramic tile, improve the durability, especially the adhesive property of the ceramic tile after water immersion and thermal aging, reduce the hollowing phenomenon and prolong the service life of the ceramic tile; the scavenger has the advantages of low formula cost, easily available raw materials, low toxicity, environmental protection, simple and fast use method, improvement of construction efficiency and construction quality, easy operation, cost saving, and enhancement of safety and environmental protection.

The invention discloses a highly permeable lawn and a preparation method thereof, the highly permeable lawn comprises artificial grass yarns, gum and a base layer, the artificial grass yarns are woven on the base layer, the gum is arranged on the bottom surface of the base layer, the artificial grass yarns and the base layer are fixed, the gum comprises latex, a calcium carbonate filler, a foaming agent and a cross-linking agent, the glass transition temperature Tg of the latex is 10-40 DEG C, the foaming agent is a foaming agent, and the cross-linking agent is a cross-linking agent. The latex comprises carboxylic butadiene-styrene latex and ethylene-vinyl acetate copolymer latex; the latex comprises the following components in parts by mass: 60-90 parts of carboxylic butadiene-styrene latex and 10-40 parts of ethylene-vinyl acetate copolymer latex. The base layer in the artificial turf is improved, the porous breathable gum is prepared, it is ensured that the mechanical property of the artificial turf meets the requirement, and the high water permeability of the artificial turf is achieved under the condition that drainage holes are not punched.

The present invention relates to the field of coated abrasive technology, specifically to anti-clogging ceramic sandpaper and its preparation method. The technical key features are as follows: from bottom to top, it comprises: latex paper, a base glue, abrasive, a double glue, and an anti-clogging coating. The anti-clogging coating is prepared from the following components, calculated by weight: 30-50 parts aqueous emulsion, 10-15 parts graded filler, 3-5 parts dispersant, 2-3 parts water-soluble curing agent, and 60-70 parts water. The graded filler is ceramic corundum particles with the following gradation: particle size R < 250nm, 1-3%; 250≤R < 350nm, 65-75%; 350nm≤R < 450nm, 15-19%; 450≤R < 550nm, 3-5%. The anti-clogging ceramic sandpaper and its preparation method provided by the present invention significantly enhance the anti-clogging effect of the anti-clogging coating while effectively improving the sharpness and self-sharpening properties of the sandpaper surface.

An elastomeric glove includes a superimposed texture provided on a surface of the elastomeric glove, including front and back of a palm region, a thumb region and fingers region, and the superimposed texture includes multiple units of a stellate convex polygon distributed on the surface of the elastomeric glove, with a tip at the center and folded at intersects of the polygon for gripping, diverting and channeling fluid away from the surface of the elastomeric glove. A synthetic latex formulation for producing the elastomeric glove is also disclosed.

The invention discloses a double-liquid magnesium phosphate early-strength high-strength grouting material and a preparation method thereof.The grouting material is composed of a liquid A and a liquid B. The liquid A is composed of powder A and water in parts by weight and comprises dead burned magnesia powder, a defoaming agent, steel slag powder, a retarder I and water, and the liquid B is composed of powder B and water in parts by weight and comprises powder B and water in parts by weight. Wherein the monopotassium phosphate, the superfine powder, the polymer rubber powder, the retarder II and the water have the advantages that the stirring time is shortened, the setting time is controllable, the flowability is good, the repair requirement can be met more quickly, the construction period is shortened, and the cane sugar and the borax are used as the retarders, so that the setting time can be controlled, and the early strength can be improved; surplus phosphate in a grouting material matrix is consumed by using the steel slag powder, so that some amorphous gel products can be generated, and the mechanical property is improved; the redispersible latex powder is utilized to form a polymer film in the slurry to wrap a hydration product, so that the water resistance is improved, and the synergistic modification effect is achieved.

The utility model discloses an electric connector assembly, which relates to the field of electric connectors, and comprises a first electric connector and a second electric connector, one end of the first electric connector corresponding to the second electric connector is rotatably provided with a shielding connecting shell, and the outer side of the shielding connecting shell is provided with a plurality of rectangular grooves. A latex sponge block is fixedly arranged on the inner wall of the rectangular groove, two guide plates are fixedly arranged on each of the two sides of the inner wall of the rectangular groove, the latex sponge block is located between the two guide plates, and a connecting ring is fixedly arranged at the end, corresponding to the first electric connector, of the second electric connector. According to the utility model, through the arrangement of the latex sponge block on the shielding connecting shell, the latex sponge block is expanded, so that the sponge hole of the latex sponge block is expanded, the water absorption area of the sponge is increased, the rectangular groove is blocked by the latex sponge block, ventilation and heat dissipation can be ensured, and the heat dissipation effect is improved while most humidity can be isolated.

A preparation method of a glove having a soft coating with high wear resistance and high anti-slip performance is provided, including: physically spraying a bio-based organic polymer material on a surface of a glove core coated with an impregnation latex, conducting pre-vulcanization and high-temperature vulcanization successively, washing with an alkali liquor, an acid liquor, and water successively, and oven-drying to obtain the glove having the soft coating with high wear resistance and high anti-slip performance. The present disclosure has the following advantages: The preparation method is simple and reliable, and can greatly increase anti-slip performance and wear resistance of a coating while providing a delicate sand surface effect for the coating. The glove of the present disclosure has excellent anti-slip performance, durability, and comfortability in oily environments and dry environments.

The invention discloses a surrounding type self-adaptive moving electric control rubber tapping device which comprises a surrounding type assembly used for surrounding a rubber tree in the radial direction. A circumferential guide rail is arranged on the outer side of the surrounding type assembly; the self-adaptive rolling wheel assembly is arranged on the inner side of the surrounding type assembly and used for transversely or vertically moving the device; the fixed clamping jaw assembly is slidably arranged on the guide rail through a guide rail connecting piece and used for fixing the device to the rubber tree. The electric control rubber tapping knife assembly is installed on the surrounding type assembly and used for cutting the surface of the rubber tree. The laser positioning module is used for positioning the position of the device; the control module is used for controlling operation of the device. The device can adapt to rubber trunks of different sizes, a stable and uniform spiral rubber cutting path is formed on the surface of bark, and the latex collecting effect is improved.

The utility model discloses a high-elasticity latex sponge mat which comprises an upper sponge mat body, a plurality of upper holes are formed between the two ends of the upper sponge mat body in a penetrating mode, a lower sponge mat body is arranged at the bottom of the upper sponge mat body, a plurality of lower holes are formed between the two sides of the lower sponge mat body in a penetrating mode, and silica gel blocks are filled in the upper holes and the lower holes. The top of the upper sponge mat is fixedly connected with an upper latex sponge base mat, the bottom of the lower sponge mat is fixedly connected with a lower latex sponge base mat, the upper surface of the upper latex sponge base mat and the lower surface of the lower latex sponge base mat are both provided with a plurality of anti-slip strips, and the silica gel block is provided with a plurality of vent holes. The compression space of the upper sponge mat and the lower sponge mat can be provided through the upper hole and the lower hole, and therefore the elasticity of the upper sponge mat and the elasticity of the lower sponge mat are improved.

The invention relates to a flexible aluminoferrite cement-based supercapacitor and a preparation method thereof. The flexible aluminoferrite cement-based supercapacitor is assembled by taking rGO / Ni as a positive electrode, taking rGO (at) alpha-Fe2O3 spindle body / Ni as a negative electrode, and taking polyacrylamide-cement-emulsion-latex powder-water-KOH as a flexible cement-based solid electrolyte. Compared with the prior art, the flexible energy storage cement-based material serves as a novel structure / function integrated building material, integration of flexible lightweight design and functional technology is achieved, the flexible energy storage cement-based material can be tightly attached to a building with a complex shape due to the flexible characteristic, and the flexible energy storage cement-based material has good adaptability to a special-shaped curved surface building structure; and meanwhile, a non-destructive construction technology can be adopted, the energy storage function is given to the existing structure in an external pasting mode, and the energy storage function can be given without structural reconstruction.

The invention discloses a basalt fiber reinforced ceramic tile binder and a preparation method thereof, and belongs to the technical field of ceramic tile binders. The basalt fiber reinforced ceramic tile binder is prepared from the following raw materials in parts by weight: 30 to 35 parts of cement, 40 to 50 parts of quartz sand, 1 to 2 parts of basalt fiber, 5 to 8 parts of calcium formate, 1 to 3 parts of redispersible latex powder, 1 to 1.5 parts of organic silicon modified polyurethane and 0.2 to 0.5 part of cellulose ether. The basalt fiber reinforced ceramic tile binder prepared by the invention has the advantages of relatively low slippage distance, good tensile bonding strength, water resistance, high temperature resistance and freeze thawing resistance stability.

The invention belongs to the technical field of sealing materials, and particularly relates to a rubber composite sealing material and a liquid phase preparation method and application thereof. According to the liquid-phase preparation method of the rubber composite sealing material, provided by the invention, based on deep understanding of a liquid-phase synthesis process of first liquid-phase pre-dispersion and then condensation, a modified carbon black dispersion liquid, a modification auxiliary agent and a modified synthetic rubber latex dispersion liquid are prepared, so that carbon black and the auxiliary agent can be promoted to be uniformly and stably dispersed in a synthetic rubber system; the dispersion uniformity of the carbon black and the auxiliary agent is improved, so that the vulcanized rubber composite sealing material is not easy to have insufficient or excessive local crosslinking or structural defects, thereby improving the mechanical property, air tightness and cold resistance of the rubber composite sealing material, and being a high-performance rubber composite material; the technical problem that a high-performance rubber material is difficult to prepare by an existing preparation method is solved.

The invention discloses a process for preparing paper from wormwood-sourced wormwood fibers, which comprises the following steps: by taking the wormwood fibers as a main raw material, pre-dehydrating, dehydrating, frying carbon, screening, pre-treating, pulping, screening and purifying, concentrating, drying, adsorbing, spraying latex, drying and shaping, and rolling, so that the dependence on imported raw materials in the papermaking process can be effectively reduced; the production cost can be effectively reduced while the production steps are reduced, the paper yield is improved, the agglomeration is reduced, the structure is stable, the environmental pollution in the papermaking process is reduced, the energy consumption is reduced, and the method is safer and more environment-friendly.

The invention relates to the technical field of wind power generation materials, in particular to a rubber insulating material and a sheath material for wind power generation. The rubber insulating material for wind power generation comprises an insulating inner layer, an interface transition layer and a sheath outer layer, in the rubber insulating material for wind power generation and the sheath material, through double mechanisms of chemical coupling of a plant-based diluent and nano-cellulose and physical adsorption of expanded graphite, the insulating inner layer has excellent heat resistance and mechanical strength on the basis of keeping the heat resistance and mechanical strength of the material; the processing viscosity of the epoxy resin system is reduced; the outer layer of the sheath improves the mechanical property and salt mist erosion resistance of the material through the chemical anchoring of plant fibers and resin and the barrier effect of the nanosheet layer; meanwhile, the natural latex-cellulose nanocrystalline composite network of the interface transition layer strengthens the interface compatibility of the insulating layer and the sheath layer, and avoids the interlayer separation risk, thereby improving the reliability and service life of the material in an extreme environment of offshore wind power equipment.

The invention relates to MXene / CNTs self-assembled conductive rubber and a preparation method thereof, and belongs to the technical field of conductive rubber. Through treatment, the CNTs have positive electricity and can be subjected to electrostatic self-assembly with MXene with negative electricity, the assembled conductive filler can be further assembled with latex particles of rubber through electrostatic interaction, the conductive filler and the latex particles are gelatinized together to prepare conductive rubber, and the conductive functional filler can form a good conductive network in a rubber matrix, so that the conductivity of the conductive rubber is improved. Therefore, the sensitivity, the stability and the durability of the conductive rubber are improved.

The invention relates to a production process of environment-friendly gloves, which comprises the following steps: adding a cross-linking agent into butyronitrile latex in a stirring state, continuously stirring, sealing and standing, adding a potassium hydroxide aqueous solution and a foam stabilizer, stirring, adding a sulfur dispersion, an accelerant dispersion and a zinc oxide dispersion into a system, stirring, and when the viscosity of the system is reduced, adding a foaming agent, and stirring to obtain the environment-friendly gloves. Adding water; adding a carbon nanotube composite material, and when the viscosity of the system is increased, increasing the stirring speed and adding water; adding a thickening agent, increasing the stirring speed, adding a cross-linking agent, keeping stirring, increasing the stirring speed when the viscosity of the system is increased, adding a latex stabilizer, and continuing stirring; stopping stirring, sealing, standing, filtering, adding water, and stirring for foaming; the glove lining is subjected to mold covering, then gum dipping is conducted, drying, vulcanization and ripening are conducted after gum dipping, and the environment-friendly glove is obtained. In the preparation process, coagulant dipping and surface treatment are not carried out, so that the preparation process is green, environment-friendly and efficient.

The invention discloses a pneumatic flexible displacement bistable ultrafast charging plugging-free milliohm-level interface, and belongs to the technical field of electronics. The device consists of a pneumatic component, an interface component, a control component and a power supply, wherein the pneumatic component comprises a normally closed electric inflator pump, a normally closed electric deflation valve, a latex tube and a flexible rubber hose with a net-shaped reinforcing rib; the interface part comprises a main contact and a monitoring point which can be made of 316L stainless steel sheets with the thickness of 0.3 mm and high oxidation resistance. The control component comprises a main controller containing solidified software, a charging main loop on-off control circuit and the like; the control part can control the inflator pump and the deflation valve to enable the main contact and the monitoring point to be automatically disconnected or connected, the contact resistance value of the power transmission main contact and the charging main contact can be smaller than 9 megohms in the stable connection state, and the disconnection resistance value of the power transmission main contact and the charging main contact can be larger than 10 megohms in the stable disconnection state. Compared with products sold in the current market, the electromagnetic radiation can be neglected, the charging power is large, the utilization rate of electric energy is high, manual plugging is not needed, and the charging device has important popularization value.