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124results about How to "Fully foamed" patented technology

Screw rod cleaning material and preparation method of screw rod cleaning material

The invention discloses a screw rod cleaning material and a preparation method of the screw rod cleaning material. A recipe of the cleaning material comprises 100 weight parts of ethylene vinyl acetate copolymers (EVA) or low-density polyethylene (LDPE) or elastic bodies, 1 to 20 weight parts of foaming agents, 1 to 10 weight parts of whitening agents and 1 to 5 weight parts of filling agents. The EVA is ethylene vinyl acetate copolymers, and the LDPE is high-pressure low-density polyethylene. Compared with the prior art, the screw rod cleaning material has the advantages that the cleaning material produced by the recipe is an expansion material, and in the cleaning process, the cleaning material can be expanded, i.e. the volume is increased during the cleaning through the expansion of the cleaning material, so cleaning dead corners are eliminated, the used cleaning materials are few, the use cost is reduced, and in addition, the cleaning effect is better. The preparation method of the cleaning material has the advantages that the process is simple, the production is convenient, the quality is stable, the whole production can be completed only through a mixing machine and an extruding machine, the operation is safe and sanitary, and the screw rod cleaning material belongs to a product with good economy and market prospects.
Owner:宁波市金穗橡塑机电有限公司

Stable multilayer-film structural foaming agent and preparation method thereof

The invention particularly relates to a stable multilayer-film structural foaming agent and a preparation method of the stable multilayer-film structural foaming agent. The technical scheme is that the preparation method comprises steps as follows: getting 20 to 50wt% of main agent, 20 to 50wt% of assistant and 20 to 50wt% of foam stabilizer as the raw materials at 15 to 25 DEG C; then adding foam stabilizer of which the mass is 10 to 20 times that of the raw materials mentioned above; and agitating for 5 to 15 minutes, so as to obtain the stable multilayer-film structural foaming agent, wherein the main agent is one of sodium lauryl sulfate, sodium dodecyl benzene sulfonate, sodium dodecyl sulfate, alkylphenol ethoxylates and fatty alcohol-polyoxyethylene ether; the assistant is one of dodecanol, polyethylene glycol, setanol, octadecanol and lauromacrogol; and the foam stabilizer is one of sodium carboxymethylcellulose, gelatin, sodium carboxymethyl starch, arabia gum adhesive and hydroxyethyl cellulose. The preparation method has the characteristics of being simple, convenient to operate, and short in preparation time and the like; and the prepared stable multilayer-film structural foaming agent is relatively small in dimension, uniform in distribution, full in foaming and high in stability.
Owner:WUHAN UNIV OF SCI & TECH

Method for preparing fermented soybeans in water

The invention discloses a method for preparing fermented soybeans in water. The method comprises the specific steps of step one, raw material treatment: after soybeans are soaked by warm water, steaming is performed for 9-15 min under pressurization of 0.15 Mpa; step two, fermented soya bean yeast cultivation; step three, fermentation: during the fermentation period, stirring is performed slightly every 12 h; step four, pH adjustment: 8-10 lemon slices are placed on the surfaces of the fermented soybeans in water, warm water with the temperature of 30 EDG C to 35 DEG C is sprayed to the lemon slices uniformly by a watering pot, the spraying amount of the warm water is 0.5 kg, the lemon slices are covered and placed for 1 h after spraying, and the lemon slices are taken out; step five, seasoning: 40 g of pepper is added, and the mixture is stirred uniformly; step six, sterilization and filling: the mixture is heated to 90 DEG C to 93 DEG C, the temperature is kept for 20 min, and filling is performed while the mixture is hot. According to the method for preparing the fermented soybeans in water, complete appearances of the soybeans can be kept, the processing time is shortened, the phenomena of rancidity and stinking are avoided, and the expiration date of the fermented soybeans in water is prolonged.
Owner:YUQING COUNTY TOAST FLAVOR FOOD

Ultralow-temperature-resistant rubber and plastic product and preparation method thereof

ActiveCN111662512AImprove ultra-low temperature resistanceHigh gum contentPolymer scienceVulcanization
The invention belongs to the technical field of rubber and plastic products, and provides an ultralow-temperature-resistant rubber and plastic product. The product comprises, by mass, 20-25 parts of ethylene propylene diene monomer rubber. 3-5 parts of butyl rubber, 1-1.5 parts of butadiene rubber, 5-7 parts of a foaming agent, 20-30 parts of a flame retardant, 6-8 parts of operating oil, 4-7 parts of a low-temperature plasticizer, 0.3-0.5 part of an activator, 0.1-0.3 part of stearic acid, 3-5 parts of protective wax, 3-5 parts of an accelerant, 0.5-0.8 part of a vulcanizing agent and 0.1-0.2part of pigment. The ethylene propylene diene monomer, the butyl rubber, the butadiene rubber, the foaming agent, the flame retardant, the pigment, the operating oil, the low-temperature plasticizer,the protective wax, the activator and the stearic acid are subjected to banburying, discharging, open milling, compound milling and storage for 22-26 h, the vulcanizing agent and the accelerant are added, and mixing, extrusion molding and vulcanization foaming are conducted to obtain the ultralow-temperature-resistant rubber and plastic product. Through the technical scheme, the problem of poor low-temperature resistance of rubber in the prior art is solved.
Owner:HEBEI SHENZHOU THERMAL INSULATION BUILDING MATERIAL GRP CO LTD

Blow shoe mould

A blow shoe mould comprises an upper mould with an upper mould cavity, a lower mould with a lower mould cavity, and a mould core installed between the upper and lower moulds; the blow shoe mould further comprises an air discharging outlet installed on the upper mould for discharging air in the upper and lower mould cavity; the rear side of the mould core is hinged with the lower mould; the rear side of the upper mould is hinged with the rear side of the mould core; the upper mould is provided with a material injection passage and an air inlet passage; the air inlet passage comprises an air inlet installed on the top of the upper mould and a plurality of small holes communicated with the air inlet and densely distributed on the top of the upper mould cavity; the air discharging outlet is installed on the upper mould; the air inlet passage further comprises an edge passage formed by butting the upper and the lower passages; the upper passage is installed on the periphery of the upper mould cavity and communicated with the air inlet; and the lower passage is installed on the periphery of the lower mould cavity and communicated with the lower mould cavity. The shoe mould uses a plurality of small holes to blow with the lower passage in different directions; the air discharging outlet is installed on the upper mould; thus, the gas can be sealed in the mould cavity so that foam materials such as PVC can be fully foamed.
Owner:JINJIANG ZHONGTIAN MOLD

Aqueous film-forming foam fire extinguishing device

InactiveCN108159606AReduce hydraulic frictionIncrease foaming rateFire rescueEngineeringLiquid storage tank
The invention discloses an aqueous film-forming foam fire extinguishing device. The aqueous film-forming foam fire extinguishing device comprises a liquid storage tank, a second mixing box, a second high-pressure pump, a water box and a first mixing box. A base is tightly welded to the lower portion of the liquid storage tank, a liquid drain pipe is arranged at the upper end of the liquid storagetank, a liquid drain valve is arranged on the outer surface of the liquid drain pipe, and a support is arranged at the lower end of the liquid drain valve. According to the aqueous film-forming foam fire extinguishing device, a swirling device is installed in a fire-fighting lance, the swirling device is composed of a central conical hole and a plurality of inclined holes evenly distributed in theperiphery, an included angle is formed between each inclined hole and the axis of the swirling device, the inflow end face and the outflow end face of the swirling device are provided with forty five-degree chamfers, and the effect of reducing hydraulic friction can be achieved. Aqueous film-forming foam mixed liquid enters the swirling device to form a swirling current and a straight current, the swirling current is sufficiently swirled and atomized through a gradually contracted long cone type current mixing cavity, kinetic energy is increased step by step, the swirling current is jetted out from a nozzle through liquid jetting holes, and thus water atomization and mixed foaming are achieved, and the effect of conducting long-distance jetting according to a preset angle can be effectively achieved.
Owner:上海智密技术工程研究所有限公司

Fireproof flame-retardant inorganic coating

The invention discloses a fireproof flame-retardant inorganic coating. Raw materials of the inorganic coating comprise, in parts by weight, 30-40 parts of silica sol, 30-40 parts of heat insulation aggregate, 5-10 parts of titanium dioxide, 10-20 parts of chlorinated paraffin, 2-3 parts of a foaming catalyst, 1-3 parts of a flame retardant, 1-3 parts of a thickening agent and the balance of clearwater, wherein the heat insulation aggregate is one or a combination of more of expanded perlite, expanded vermiculite, diatomite, fly ash hollow microspheres or sepiolite powder. The invention relates to the technical field of coatings. The fireproof flame-retardant inorganic coating Can well resist external conventional fire disasters, and achieves the purpose of improving the fire resistance ofthe coating through improvement of internal components of the inorganic coating, thus the heat conductivity coefficient is substantially reduced, the fire resistance grade is improved, and further the fire resistance and the fire retardation of the inorganic coating material are enhanced. An inorganic glazed body is formed through an endothermic reaction when meeting fire so as to isolate the air, and the purposes of non-combustible gas emission through decomposition, smoke abatement and combustion blocking are well achieved.
Owner:江门市涂霸建材实业有限公司
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