210results about How to "High foaming rate" patented technology

The present invention relates to a water thin expanding steel structure fire-resisting coating material and its preparation method. Said ivnention adopts a self-synthesized high melting temp. acrylate emulsion as main film-forming substance, adding proper quantity of chlorometaemulsion to raise fibre resistance of film-forming substance self-body, and on the basis of convertional ammonium polyphosphate fire-resistant adjuvant an expandable graphite as foaming material is added so as to form the invented fire-resisting coating material. Said invention can greatly raise forming rate to coating layer, the thickness of foamed layer can be up to 30-50 times that of original coating layer, and its fire-resisting limit can be up to 75 min (thickness of coating layer is 3 mm).

The invention relates to a preparation method of whipped cream powder. The method comprises the following steps that (1) vegetable fat and an emulsifying agent are mixed uniformly to form mixed liquid 5; white granulated sugar, sodium caseinate, whey protein and milk powder are mixed with water to form mixed liquid 1; the mixed liquid 1 is mixed with glucose syrup to form mixed liquid 3; a water retention stabilizer and a thickener are mixed with the water to form mixed liquid 2; the mixed liquid 2 is mixed with the mixed liquid 3 to form mixed liquid 4; the mixed liquid 5 is mixed with the mixed liquid 4 to form oil-water mixed pulp; the oil-water mixed pulp is stirred, sheared and emulsified to form uniform light-milk yellow pulp; (2) the pulps obtained in Step (1) are homogenized to form homogenized pulp; and (3) the homogenized pulp is pasteurized and subjected to spray drying; an anticaking agent is added to powder obtained through the spray drying, and mixed uniformly to form the whipped cream powder. The whipped cream powder can serve as a principal raw material of preparation of decorative cakes, mousse cakes and puffs.

The invention relates to a production method of a polyurethane insole material, which comprises the steps of putting raw material into a thermostatic chamber with the temperature of 7-35 DEG C and standing still for 5-8 hours; applying a release agent in a mould used for preparing polyurethane, and maintaining the temperature of the mould at 45-48 DEG C; pouring polyalcohol composite into a mixing tank, adding a catalyst, a surfactant, an antimicrobial agent, a foaming agent, color paste and an opening agent and stirring for 120-150 seconds, and then adding isocyanate and stirring for 10-20 seconds; pouring the stirred mixture into the mould within 5 seconds, blowing away crafters by a blower gun, and then covering and locking the mould; and demoulding for material outlet after 35-45 minutes, and then cutting into slices according to the required size of the insole. Compared with the original mould closing pouring mode, the surface of each insole prepared in the production method of the polyurethane insole material can not generate a layer of airtight skin, and has higher foaming rate, lighter weight and obviously improved air permeability.

The invention discloses a fireproof interface agent for a polystyrene foam heat insulation material and a preparation method thereof. The fireproof interface agent is compounded by components A and B, wherein the mass ratio of the components A to B is 1: 1.2 to 1.4. The fireproof interface agent comprises the following raw materials in percentage by mass: the component A: 40 to 50 percent of butyl benzene emulsion, 35 to 40 percent of water glass, 1 to 3 percent of water glass stabilizing agent, 3.4 to 8 percent of ammonium polyphosphate fireproof aid, 10 to 15 percent of stable thickening agent and 0.2 to 0.4 percent of preservative; and the component B: 25 to 30 percent of water, 0.2 to 0.4 percent of preservative, 3 to 5 percent of antimonous oxide, 7 to 11 percent of chlorinated paraffin, 15 to 20 percent of fireproof paper fiber pulp, 3 to 5 percent of mica, 15 to 20 percent of aluminum hydroxide, 20 to 25 percent of fly ash, 0.5 to 1 percent of expanded perlite and the like. The fireproof interface agent has good flame-retardant property, and can greatly improve the combustion performance of the polystyrene foam heat insulation material.

A flight vehicle radome according to the present invention has a shape that covers radio equipment installed in a flight vehicle. The flight vehicle radome is formed of a sandwich panel structure in which a core member (30) resulting from foaming and compositing of a heat-resistant resin (32) and insulating reinforcing fibers (31) is sandwiched between skin members (20) made of a fiber reinforced material being a composite of quartz cloth (20) and a heat-resistant resin (22).

A foamed resin composition includes a polyolefin-based resin, and a ring opening polymer of norbornene or a copolymer of norbornene and ethylene or a mixture thereof. The ring opening polymer of norbornene or the copolymer of norbornene and ethylene or the mixture thereof is used as a foam nucleating agent in the foamed resin composition.

The invention relates to a seepage pipe, film or vessel for agricultural irrigation and a making method and application thereof. People first use water permeability of pottery clay to sinter permeation irrigation pipes of pottery clay, and then uses a rubber foam technique to manufacture permeation irrigation pipes of rubber, and some people apply a laser perforating method on plastic pipes to produce porous permeation irrigation pipes of plastic. Due to high cost, inconvenient application or blockage often happening during application, the pipes of the types are not popularized or widely applied. The product of the invention comprises a plasticization forming matrix material (1), an inert filler(2) with melting point higher than plasticizing temperature which is added in the plasticization forming matrix material and is wrapped over by a release agent, and a bent seepage channel (3) which bypasses the inert filler and is formed by dissolving the release agent in the matrix material, wherein, The weight ratio between the inert filler and the plasticization forming matrix material is 5-30 : 100 and the weight ratio between the inert filler and the release agent is 100 : 5-10. The product is applied as pipe, film or vessel for agricultural irrigation.

The invention relates to a method for foaming polymer microspheres with two-component or multi-component foaming agent under a low pressure and a foamed material obtained by the method. The polymer microspheres are comprised of a polymer serving as shells and foaming agent serving as a nuclear, wherein the polymer shells may be formed by the polymerization of a polymerizable monomer and a crosslinking agent; and the foaming agent consists of two or more components between which the boiling point difference is 10 to 100 DEG C, preferably 20 to 90 DEG C and more preferably 30 to 80 DEG C. When the outside pressure is less than a standard atmosphere, preferably 0.5 to 0.8 standard atmosphere, and the temperature is 100 to 180 DEG C, preferably 110 to 170 DEG C and more preferably 120 to 160 DEG C, the polymer microspheres begin to foam to form foamed material of which the foaming expansion ratio is no less than 20 times.

The invention discloses a polylactic-starch epispastic material and preparing method, which comprises the following steps: melting the polylactic and starch; mixing up with sparkle to form foam article with water resisting property and high frothing percentage. The invention can reduce the retrogradation of the polylactic, which improves the frothing percentage of the polylactic-starch.

The invention discloses a foam generating device used for dust fall. The foam generating device comprises an air inlet main pipe, one end of the air inlet main pipe is communicated with a foaming shell through a Venturi diffusion mechanism, the other end of the foaming shell is communicated with a foam output pipe, a longitudinal hollow air supply rod is arranged in the foaming shell, the air supply rod is sequentially provided with rotary power blades and a net type swirler, the air supply rod is provided with multiple air supply rod air outlet pipes which are evenly distributed in the circumferential direction of the air supply rod, an air supply rod air outlet is formed in the end, close to the foam output pipe, of the air supply rod and is of a horn mouth shape, the air supply rod air outlet corresponds to the foam output pipe, and an air supply rod air inlet pipe is arranged on the air supply rod and is communicated with the air supply rod air outlet and the air supply rod air outlet pipes. Foaming is performed on a foam dedusting agent solution three times, the foaming rate is greatly increased, and operation stability of the foam generating device is improved.

The invention relates to a water-based epoxy multifunctional steel structure paint and a preparation method thereof. The water-based epoxy multifunctional steel structure paint is composed of a component A and a component B. The component A comprises a water-based epoxy emulsion, ammonium polyphosphate, pentaerythritol, melamine, a pigment and filler, a functional nano material, a water-based defoaming agent, a water-based wetting and dispersing agent and the like. The component B is a modified amine curing agent. The preparation method comprises the following steps: (1) premixing the ammonium polyphosphate, pentaerythritol, melamine, pigment and functional nano material; (2) gradually adding the mixture obtained in the step (1) into a water solution containing the defoaming agent and wetting and dispersing agent, uniformly dispersing the materials by stirring, adding the epoxy resin emulsion, and dispersing by stirring to obtain the component A of the water-based epoxy multifunctional steel structure paint; and (3) adding the component B and defoaming agent into the component A, stirring uniformly and screening. The water-based epoxy multifunctional steel structure paint has the advantages of excellent fire and flame retardancy, simple preparation method and environment friendliness, and can be widely used for coating various steel structures.

The invention discloses a fireproof and anti-corrosion bifunctional ultra-thin steel structure coating and a preparation method thereof. The fireproof and anti-corrosion bifunctional ultra-thin steel structure coating is prepared from the following raw materials by weight percentage: 1-30% of chloroprene rubber adhesive, 1-30% of melamine, 1-20% of pentaerythritol, 1-30% of pigment and filler, 1-50% of 1000# solvent gasoline,1-20% of ammonium polyphosphate, 1-15% of chlorinated paraffin solution with a chlorine content of 70%, 1-10 % of acrylic resin, 0.1-5% of amino resin, 1-10% of raw vermiculite, 1-10% of charring aid, 0.1-5% zinc borate and 0.1-10% of auxiliary agent. The fireproof and anti-corrosion bifunctional ultra-thin steel structure coating has the advantages of greatly improved maximum flexibility, fire resistance limit, binding strength and fire resistance time, good flame retardance, corrosion resistance, water resistance and weather resistance and low cost; and more importantly, the coating is safe and environmentally-friendly, and the coating layer formed by the coating is light and thin, thus truly embodying the fireproof and anti-corrosion dual functions and ultrathin characteristic.

The embodiment of the invention relates to the technical field of organosilicone sealants, in particular to a high-temperature-resistant and heat-insulating room-temperature-vulcanized organosiliconefoaming sealant and a preparation method thereof. The room-temperature vulcanized organic silicon foaming sealant provided by the invention comprises a component A and a component B. The sealant is stable and fine in foam structure, uniform and controllable in size, good in elasticity, low in thermal conductivity, good in high-temperature resistance, high in initial decomposition temperature and good in flame retardance. According to the preparation method of the room-temperature-vulcanized organic silicon foaming sealant, a chemical foaming process is adopted, so that the controllability of the reaction process is high, the operation process is simple, the cross-linking rate and the foaming rate can be regulated and controlled, and the cell structure is easier to control.

A highly foamed coaxial cable comprising, an inner conductor disposed in the cable, and a foamed insulator comprising porous cells and surrounding the inner conductor, and an outer conductor surrounding said insulator, and a sheath surrounding said outer conductor, and in said insulator, the total area of macro cell which has a diameter of at least 300/M is larger than the total area of micro cell which has a diameter smaller than 300/M at cross section of cable.

The invention relates to the technical field of fire extinguishing, in particular to a medium-low-power composite fire fighting foam monitor. The medium-low-power composite fire fighting foam monitor comprises a base, worm gear boxes and a control device and is characterized in that the upper portion of the base is connected with one end of the horizontal worm gear box through a flange, the other end of the horizontal worm gear box is connected with one end of a middle bent pipe through a flange, and the other end of the middle bent pipe is connected with one end of the pitching worm gear box; and the other end of the pitching worm gear box is connected with a composite foam spray device through an upper bent pipe, and one side of the middle bent pipe is connected with the composite foam spray device through a hose. Compared with the prior art, according to the medium-low-power composite fire fighting foam monitor, the structure of the composite foam spray device of the medium-low-power composite fire fighting foam monitor is improved, the performance of an original low-power foam monitor is maintained, and medium-power foam with the high foaming rate can be brought to the long-distance range.

The invention discloses foam concrete based on a high-stability foaming agent and a preparation method of the foam concrete. The preparation method comprises the steps of firstly, constructing a halloysite aerogel three-dimensional network on halloysite through methyl methacrylate and graphene oxide, then loading ferroferric oxide on the halloysite aerogel, and grafting a large number of double-ion groups on the halloysite to obtain modified halloysite; putting the nano particles into the modified auxiliary liquid for reaction to obtain modified nano particles; and mixing the modified nanoparticles and the modified halloysite, and adding the mixture into an anionic surfactant for further reaction. The prepared modified foaming agent has high foaming capacity and foam stabilizing performance; and the concrete block prepared by mixing the modified foaming agent, the cement slurry and the low-hardness tap water has the characteristics of light weight, high compressive strength and good heat-insulating property, and is very practical.

The invention provides a method for recycling retired car polyolefin plastic parts and components by virtue of chemical foaming, and relates to a method for preparing a micro-cellular foaming material by recycling the retired car polyolefin plastic parts and components by virtue of chemical foaming. According to the method provided by the invention, an injection molding micro-cellular foaming technique is applied to the field of car plastic recycling, the defects of the prior art can be overcome, the difficult problem of recycling scraped car plastic can be solved, the resource recycling of car polyolefin plastic can be achieved, and the environmental pollution can be reduced; an obtained product is low in energy consumption and high in additional value; and the method has wide application prospects.

The invention discloses single-component polyurethane foam rubber and a preparation method thereof. The single-component polyurethane foam rubber is prepared from the following components in parts bymass: 30 to 100 parts of polyether polyol and/or polyester polyol, 0.5 to 5 parts of a crosslinking agent, 1 to 15 parts of an opening agent, 0.5 to 10 parts of gas-phase white carbon black, 1 to 3 parts of a foam stabilizer, 0.2 to 5 parts of a catalyst, 1 to 10 parts of supercritical fluid and 30 to 150 parts of polyisocyanate. According to the single-component polyurethane foam rubber and the preparation method thereof, a supercritical foaming technology and a single-component polyurethane foaming technology are integrated. The supercritical fluid of the single-component polyurethane foam rubber is used as a brand-new environmentally-friendly adhesive, so that the prepared single-component polyurethane foam rubber has dual advantages of foam hole compactness and high foaming rate, and is inevitably widely applied to occasions with requirements for high intensity.

The invention discloses a foaming glove and a production method thereof, and belongs to the technical field of labor protection gloves. The production method includes the steps: S1 glove core weaving;S2 hand mold cleaning; S3 coagulator soaking; S4 forming slurry preparation: sufficiently mixing and stirring waterborne polyurethane, nitrile latex, foaming agents and thickening agents to obtain forming slurry; S5 forming slurry soaking; S6 cleaning; S7 drying; S8 soaking; S9 vulcanization; S10 washing and drying. According to the glove produced by the production method, residual solvents on the glove are omitted, the performance of the prepared glove far exceeds national standards and European standards, the rubber surface of the glove is fine, smooth and soft and has excellent elasticity,toughness, abrasion resistance and tearing resistance, friction force of the palm surface of the glove can be improved when the glove is used, and the glove is resistant to abrasion and skid, flexible to use and comfortable in hand feeling.

The invention provides a carbon dioxide-epoxypropane copolymer foam plastic which is prepared from a carbon dioxide-epoxypropane copolymer and a flexibilizer, wherein the mass ratio of the carbon dioxide-epoxypropane copolymer to the flexibilizer is 100:(50-200). The invention provides a preparation method of the carbon dioxide-epoxypropane copolymer foam plastic; the preparation method comprises the following steps: (1) mixing the carbon dioxide-epoxypropane copolymer with the flexibilizer, and granulating to obtain plastic particles; and (2) putting the plastic particles into a carbon dioxide environment of 3MPa-8MPa, and depressurizing at a speed of 5MPa/s-20MPa/s after carbon dioxide is absorbed by the plastic particles to obtain the carbon dioxide-epoxypropane copolymer foam plastic. The carbon dioxide-epoxypropane copolymer foam plastic has relatively good resilience while being biodegradable.

The invention discloses a method for preparing foam glass with a high foaming rate by utilizing a lead-free high-barium abandoned lamp tube and belongs to the field of foam glass. The method comprises the following steps: carrying out ball milling on the lead-free high-barium abandoned lamp tube to form a glass powder raw material; feeding foaming agents, namely manganese dioxide and calcium carbonate, a fluxing agent, namely sodium fluorosilicate, and a stabilizer, namely sodium phosphate into a ball mill to be subjected to ball milling; feeding mixture obtained through ball milling into a high-temperature-resistant mould, preheating for 15-20 minutes at the temperature of 400-430 DEG C, then heating up to 800-820 DEG C, and carrying out heat preservation for 20-30 minutes; then cooling to 500-550 DEG C, annealing, and carrying out heat preservation for 35-40 minutes; and finally carrying out furnace cooling to room temperature. The prepared foam glass is uniform in pore diameter, closed pores are formed mainly, the average pore diameter reaches about 4.2mm, the density is 0.58g/cm<3>, the compressive strength is 3.78MPa, the performance is excellent, and the application standard of the foam glass can be met.