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145results about How to "Cool" patented technology

Mosquito repellent water containing green pepper extracts and preparation method of mosquito repellent water

The invention provides mosquito repellent water containing green pepper extracts and a preparation method of the mosquito repellent water. The mosquito repellent water is prepared from components in percentage by weight as follows: 1%-5% of plant extract, 40%-75% of ethanol and the balance of deionized water, wherein the plant extract is prepared from raw materials in parts by weight as follows: 25-40 parts of green pepper, 10-20 parts of lavender, 10-20 part of roses, 5-15 parts of wrinkled gianthyssop herbs and 5-15 parts of mint with a method shown as follows: the raw materials are mixed, cleaned, drained, dried and crushed, the crushed powder is added to the deionized water in a material-water ratio and extracted with a microwave-assisted extraction technology, an extracting solution is filtered, and filtrate is the plant extract. The mosquito repellent water has the mosquito repellent effect and further has the efficacy of refreshing, restoring consciousness, cooling, relieving itching, inhibiting and killing bacteria, protecting skin against bite by insects and the like; besides, raw materials of the product are from plants, and the mosquito repellent water is safe, non-toxic and applicable to various crowds and various skin.
Owner:NANJING INST FOR THE COMPREHENSIVE UTILIZATION OF WILD PLANTS CHINA COOP

Nano antibacterial vortex spinning yarns and production technology thereof

The invention discloses nano antibacterial vortex spinning yarns and a production technology thereof. Each nano antibacterial vortex spinning yarn comprises a yarn body, wherein the yarn body is of acore spun yarn structure and comprises core yarns and wrapping yarns; the wrapping yarns are wrapped outside the core yarns; the core yarns comprise irregular-cross-section polyester filaments, and tencil fibers and silver fibers which are located outside the irregular-cross-section polyester filaments; the surfaces of the irregular-cross-section polyester filaments are coated with a nano titaniumdioxide photocatalyst; the wrapping yarns are prepared from natural plant fibers formed by mixing soybean protein fibers and bamboo fibers. The nano antibacterial vortex spinning yarns disclosed by the invention have a soft texture, do not easily balling up and have good skin-friendly performance and air permeability; the irregular-cross-section polyester filaments are adopted and the wet permeability is good; the nano titanium dioxide photocatalyst and the silver fibers are matched so that the antibacterial performance is good; the soybean protein fibers and the bamboo fibers are provided with irregular grooves in the longitudinal direction and are matched with the irregular-cross-section polyester filaments to form a heat-dissipation and wet-conduction groove with a stereoscopic structure, so that bacterium breeding can be avoided.
Owner:SUZHOU CITY XINGJINGZE FIBER TECH CO LTD

Multifunctional air vortex spinning yarn

The invention discloses a multifunctional air vortex spinning yarn which comprises a core yarn, a middle yarn and a covering yarn, wherein the core yarn is formed by twisting and combination of firstyarn bundles, second yarn bundles and third yarn bundles; the first yarn bundles are carbon fiber filaments; the second yarn bundles are nylon fiber filaments; the third yarn bundles are polyester fiber filaments; the middle yarn is aramid fiber short fiber; the core yarn is located in the middle yarn; the covering yarn is a fire retardant fiber layer; and the covering yarn is spirally wound and wrapped outside the middle yarn. The multifunctional air vortex spinning yarn is reasonable in structure, the core yarn and the middle yarn enter from a vortex spinning core tube, the covering yarn enters from a vortex spinning outer tube, and the produced multifunctional air vortex spinning yarn is less in hairs and does not pill; because the middle yarn in aramid fiber short fiber, the core yarnis uniform in stress, good in structure strength, and uneasy to fracture, and can be used as high-strength yarn; the covering yarn adopts combination of flame-retardant acrylic fiber and tencel fiber,has good flame retardant performance, and is smooth in surface, comfortable in wearing good in wear resistant property, and easy to wash, can dry fast, and has a cold feeling.
Owner:SUZHOU CITY XINGJINGZE FIBER TECH CO LTD

High-strength vortex spinning yarn and production method thereof

The invention discloses a high-strength vortex spinning yarn. The high-strength vortex spinning yarn comprises a core yarn layer, a wrapping layer and a covering yarn layer. The wrapping layer is arranged on the outer surface of the core yarn layer, the covering yarn layer is arranged on the outer surface of the wrapping layer, and the core yarn layer comprises a first strand, a second strand, a third strand and a core fiber layer. The first strand, the second strand and the third strand are mutually wound, the core fiber layer is arranged on the outer side of the first strand, the outer sideof the second strand and the outer side of the third strand, and the wrapping layer comprises a first wrapping fiber layer and a second wrapping fiber layer. The second wrapping fiber layer is arranged on the outer surface of the first wrapping fiber layer, and the yarn wrapping layer comprises an acrylic fiber wrapping layer and a tencel fiber wrapping layer. The invention further provides a production method for the high-strength vortex spinning yarn. The yarn has less hairiness and is free of pilling, uniform in core yarn stress, good in structural strength, not prone to breakage and capable of being used as high-strength yarn.
Owner:江苏京正特种纤维有限公司

Quick-dry self-flow casting material for ladle permanent layer

The invention discloses a quick-dry self-flow casting material for a ladle permanent layer. The quick-dry self-flow casting material is prepared from the following raw materials in percentage by mass:56-75% of a pyrophyllite and fused mullite composite material of which the particle size is 1-9mm, 14-22% of a pyrophyllite and fused mullite composite material of which the particle size is 0-1mm, 2-8% of silicon nitride of which the particle size is less than or equal to 1mm, 0.5-1.5% of a water reduction agent, 0.8-1.5% of an anti-explosion agent, 1-3% of a combination agent, 1-3% of silicon dioxide micro powder of which the particle size is less than or equal to 60mu m, 1-4% of an active aluminum oxide micro powder of which the particle size is less than or equal to 60mu m, and 2-5% of asilica powder of which the particle size is less than or equal to 50mu m. By adopting the quick-dry self-flow casting material, the ladle permanent layer is good in thermal insulation, good in thermalshock resistance, good in peeling resistance and easy to construct, has the characteristics of excellent self flowing, spreading, filling and the like, can be rapidly baked without cracking, achievesthe purposes of self flowing and quick drying, in addition is free of iron slag adhesion, and is long in service life.
Owner:YANSHI ZHONGYUE REFRACTORY MATERIALS
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