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1191 results about "Cashew nut" patented technology

Environment-friendly solvent-free humidified and rusted anticorrosive paint

The invention relates to a paint material with formed organic film, in particular to an epoxy solvent-free anticorrosive paint applied to low surface treatment steel structure. The anticorrosive paint is prepared by efficiently compounding rusted coating pigments such as zinc molybdate, zinc phosphate, aluminium trippolyhosphate, iron oxide red and the like, using cashew nut oil modified long-chain amine phenolic aldehyde as, alicyclic glycidyl ether as active diluent, thus overcoming the problems that surface treatment technique in coating construction costs high and heavy anticorrosive paint with high solvent content pollutes the environment, having easy preparation and construction, low cost, fast solidification at high temperature, good mechanical and anticorrosive performance, solvent-free and environment-friendly properties, and being applicable to heavy anticorrosive projects of steel structures such as ship, train, bridge and the like.
Owner:INST OF OCEANOLOGY - CHINESE ACAD OF SCI

Composition brake shoe for urban rail vehicle and manufacturing method thereof

The invention relates to a composition brake shoe for an urban rail vehicle and a manufacturing method of the composition brake shoe for the urban rail vehicle. The composition brake shoe comprises the following components of, by weight, 10-15 parts of butadiene-acrylonitrile rubber, 10-20 parts of cashew nut shell oil modified phenolic resin, 6-10 parts of basalt fibers, 4-8 parts of carbon fibers, 8-15 parts of steel fibers, 5-8 parts of sepiolite fibers, 2-6 parts of hexamethylenetetramine, 5-8 parts of iron oxide powder, 5-7 parts of crystalline flake graphite, 5-7 parts of chromite, 6-9 parts of barium sulfate, 3-6 parts of potassium feldspar and 5-8 parts of frictional powder. The manufacturing method of the composition brake shoe is a dry method production technology, and comprises the steps of steel back production, abrasive blasting processing, shaping, burdening, mixing, hot compacting, heat processing, subsequent processing, finished product forming and inspection. The manufactured composition brake shoe is inspected through the 1:1 rack test, is excellent in friction and abrasion resisting performance, stable in brake performance, safe and environmentally friendly, and solves the problem that the friction coefficient drops too fast under the conditions of damascene of the composition brake shoe for the urban rail vehicle, hot cracks, hot spots and rain and snow weather.
Owner:GUANGXI UNIV FOR NATITIES

Cashew shell modified alkyd resin and preparation method thereof

The invention relates to a production method of cashew nut oil modified phenolic resin. Phenol and cashew nut oil are sufficiently mixed under the acidic or alkaline environment, wherein, the main ingredient of the cashew nut oil is the polyhydric phenol of C8-C27, the weight of the cashew nut oil accounts for twenty to thirty percent (weight percentage) of the total weight of the cashew nut oil and the phenol, and the acidic environment is obtained by using catalyst, the addition amount of which is one to three percent (one to two percent for the alkaline environment); the mixture is mixed with formaldehyde, temperature is raised, reaction lasts until the synthesis of the phenolic resin is finished, and wherein, the molar ratio of the formaldehyde is 1:0.72 to 0.78 (1:1.2 to 1.4 for the alkaline environment. the catalyst must be ammonia). The thermoplastic phenolic resin prepared by the invention is characterized in low free phenol and high molecular weight and can be applied to not only molding materials but also friction materials; meanwhile, the production process of the modified phenolic moulding materials is simple, the use amount of phenol and formaldehyde is reduced, the concentration of wastewater is lowered, and therefore environment is protected; moreover, the plant oil applied by the preparation method of the invention is a regenerative resource.
Owner:浙江南方塑胶制造有限公司

Method for preparing MWNT (Multi-Walled Carbon Nanotube) modified paper-based friction material

ActiveCN102943410AOvercoming the problem of unstable friction performanceIncrease frictionOther chemical processesPaper/cardboardFiberCarbon fibers
The invention relates to a method for preparing an MWNT (Multi-Walled Carbon Nanotube) modified paper-based friction material, which comprises the following steps of: dissolving cashew nut shell modified phenolic resin into absolute ethyl alcohol to obtain solution A; dispersing MWNTs into aqueous solution of sodium dodecyl sulfate to obtain suspension B; dispersing chopped carbon fibers, bamboo fibers and kieselguhr into water and then adding the suspension B to obtain solution C; after pouring the solution C into a fluffer to disperse, carrying out sheet making on a sheet making machine and drying to obtain a sample wafer D; and after impregnating the sample wafer D in the solution A, taking out the sample wafer D, naturally air-drying the sample wafer D and carrying out hot-press forming on a vulcanizing machine so as to obtain the MWNT modified paper-based friction material with a stable friction performance. According to the invention, the carbon nanotubes are used as the raw materials to be added into a carbon fiber reinforced reins-based wet friction material so as to prepare the single-layer paper-based friction material. The problems of delamination and unstable friction performance in the long-term application process, which are caused by the case that the carbon nanotubes are used as an enhancement layer to be added into the friction material in a conventional process, are solved; the friction performance of the paper-based friction material is greatly improved; and the wear rate is effectively reduced.
Owner:杨洁如

Carbonaceous double-layer paper-based friction material and preparation method thereof

The invention discloses a carbonaceous double-layer paper-based friction material and a preparation method thereof, aiming at solving the technical problem of low friction coefficient of the traditional double-layer paper-based friction material. According to the technical scheme, the carbonaceous double-layer paper-based friction material is prepared from 15-30% of reinforced fibre, 20-35% of filler, 5-15% of carbonaceous material, 5-10% of alumina and graphite and 25-35% of cashew nut shell oil modified phenolic resin. The preparation method comprises the following steps of: manufacturing and shaping a support layer in one time; and coating a friction layer on the surface of the support layer to obtain the carbonaceous double-layer paper-based friction material. Compared with the two-time manufacturing and shaping process in the background art, the preparation method is simpler. The coefficient of dynamic friction of the carbonaceous double-layer paper-based friction material is improved to 0.145-0.168 from 0.112-0.140 in the background art, and the coefficient of static friction is improved to 0.194-0.232 from 0.155-0.191 in the background art.
Owner:NORTHWESTERN POLYTECHNICAL UNIV

Full automatic cashew nut hull breaking machine

The invention discloses a full automatic cashew nut hull breaking machine which is mainly composed of a machine frame, a motor, a feeding mechanism, a conveying mechanism, a fruit picking mechanism and a cutting mechanism. The conveying mechanism is mainly formed by guide rails, a transmission shaft, a transmission chain wheel, a transmission chain and a fruit pushing plate. The guide rails are formed by an upper guide rail and a lower guide rail, the transmission chain drives the fruit pushing plate to penetrate a gap between the upper guide rail and the lower guide rail, the feeding mechanism is located at one end of the guide rail, and the cutting mechanism is located at the other end of the guide rail. The lower guide rail is formed by a left half portion and a right half portion. The fruit picking mechanism is mainly formed by two transmission shafts, a transmission chain wheel, two transmission chains and more than two fruit poking plates, and the transmission chains drive the fruit poking plates to enable poking pieces on the fruit poking plates to penetrate a gap between the left half portion and the right half portion. The full automatic cashew nut hull breaking machine is capable of achieving automatic feeding, conveying and centralizing, can improve the production efficiency, reduce labor intensity and reduce production cost, and is high in safety. The rate of perfect kernel can reach 50%-70%.
Owner:AGRI PRODS PROCESSING RES INST CHINESE ACAD OF TROPICAL AGRI SCI

Soybean sauce mutton shashlik and preparation method thereof

The invention provides soybean sauce mutton shashlik and a preparation method thereof. The mutton shashlik is characterized by being prepared from the following raw materials in parts by weight: 260-280 parts of mutton, 1-1.5 parts of liquorice, 2-2.2 parts of platycladi seed, 1.2-1.4 parts of semen plantaginis, 2.2-2.4 parts of white poria, 2.5-2.7 parts of thunbergia fragrans root, 3-3.3 parts of carrot leaf, 1.5-1.8 parts of morusaustralis poir, 8-10 parts of cashew nut, 10-11 parts of panicum miliaceum, 3-4 parts of cheese powder, 4-5 parts of water-soaked bamboo slice, 1-2 parts of grape seed powder, 4-5 parts of hawthorn kernel powder, 22-24 parts of soybean sauce, 50-55 parts of rock candy, 10-11 parts of grape juice, and 3-4 parts of nutrition additive. The mutton flavor is rich because beneficial components in traditional Chinese medicines can be sufficiently absorbed by the mutton through cooking, the mutton shashlik tastes sweet and refresh due to the syrup cooked by the rock candy and the grape juice, and the prepared mutton shashlik is bright in color, unique in flavor and nice in smelling, and can meet the requirement of consumers to color, flavor and taste. Furthermore, the soybean sauce mutton shashlik has the effects of invigorating spleen and replenishing qi, clearing heat and removing toxicity, tranquilizing by nourishing the heart, and resisting tumors.
Owner:HUAIYUAN DAYU FOOD TECH

Calcium carbonate whisker reinforced rubber base friction material and preparation method therefor

The present invention discloses a calcium carbonate whisker reinforced rubber base friction material, and a preparation method therefor. The material comprises: 8-15 parts of nitrile rubber, 10-15 parts of styrene-butadiene rubber, 5-10 parts of phenolic resin, 5-25 parts of calcium carbonate whisker, 10-20 parts of steel fiber, 2-8 parts of sepiolite fiber, 0-8 parts of mineral fiber, 0-3 parts of aramid fiber, 5-8 parts of barium sulfate, 5-10 parts of magnesium oxide, 2-3 parts of aluminum oxide, 5-10 parts of flake graphite, 1-5 parts of carbon black, 5-10 parts of petroleum coke, 3-6 parts of Cardolite cashew nut shell oil friction powder, 0.5-1 parts of sulfur, and 0.5-1 parts of accelerator. The preparation method comprises process steps of such as material collocation, mixing, pressing molding and the like. Brake pads synthesized by the method provided by the invention have the advantages including excellent friction and wear performance, stable braking performance, high heat-resistant property, safe, environmentally-friendly, and low in cost; and is suitable for braking devices for automobiles and motive power machines, thereby achieving a very wide application prospect and applying to industrial production.
Owner:GUANGXI UNIV +2

Marine engine lubrication

Trunk piston marine engine lubrication, when the engine is fueled by heavy fuel oil, is effected by a composition comprising a major amount of an oil of lubricating viscosity and a minor amount of one or more phenolic compounds comprising distilled cashew nut shell liquid or hydrogenated distilled cashew nut shell liquid. Asphaltene precipitation in the lubricant, caused by the presence of contaminant heavy fuel oil, is prevented or inhibited.
Owner:INFINEUM INT LTD
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