316results about How to "Improve foaming quality" patented technology

The invention provides polyurethane and polyisocyanurate foams and methods for the preparation thereof. More particularly, the invention relates to closed-celled, polyurethane and polyisocyanurate foams and methods for their preparation. The foams are characterized by a fine uniform cell structure and little or no foam collapse. The foams are produced with a polyol premix composition which comprises a combination of a hydrohaloolefin blowing agent, a polyol, a silicone surfactant, and a non-amine catalyst used alone or in combination with an amine catalyst.

The invention relates to a capsule for the preparation of a beverage obtained by supplying hot water within the capsule under pressure and releasing the beverage from the capsule. The capsule includes a food substance therein, a first surface adapted to be traversed by a flow of water entering the capsule, and a second surface adapted to be traversed by a flow of beverage exiting the capsule. The second surface is adapted to deform outwardly upon action of the inside water pressure thereon. Also, that surface includes at least one opening member capable of deforming inwards the capsule upon a mechanical reaction force applied from outside onto the closure member as a result of the deformation of the second surface due to the build-up of the inside pressure.

The invention provides polyurethane and polyisocyanurate foams and methods for the preparation thereof. More particularly, the invention relates to closed-celled, polyurethane and polyisocyanurate foams and methods for their preparation. The foams are characterized by a fine uniform cell structure and little or no foam collapse. The foams are produced with a polyol premix composition which comprises a combination of a hydrohaloolefin blowing agent, a polyol, a silicone surfactant, and an-amine catalyst that prefreably has a Fluoride Generation Value of not greater than about 1000 ppm.

The invention provides a foaming production line for water tank heat-insulation layers. The production line is designed and arranged on an annular track, and is divided into a water tank assembling area, a foaming work area, a foamed-layer curing area and a finished-product unloading area so as to form an automatic production line. The production line is provided with an electronic control mechanism and a foaming agent injection mechanism of the water tank heat-insulation layers; a water tank conveying mechanism and a positioning-locking mechanism are arranged on the annular track of the production line; a foaming worktable and a foamed-layer curing chamber are arranged on the annular track; the middle part of the foaming worktable is provided with a work channel; a side above the worktable is provided with a fixed track; a bracket is movably arranged on the fixed track; a movable control mechanism of an injection head is arranged on the bracket; and the top part of the foaming worktable is provided with a movable line connecting mechanism for controlling wires and liquid conveying pipes. The production line can effectively raise the automatic production level of the work of foaming the water tank heat-insulation layers so as to improve production efficiency, improve product quality, save production raw materials, reduce labor intensity and reduce production cost.

The invention discloses an attapulgite composite flame-retardant foaming agent. The technical scheme of the attapulgite composite flame-retardant foaming agent has the following key points that the attapulgite composite flame-retardant foaming agent is composed of attapulgite argil powder having an air purifying function, hydrogen peroxide, aluminium hydroxide, sodium polyoxyethylene fatty alcohol ether sulfate, superfine polyvinyl alcohol powder, dimethicone and water, and then the raw materials of the attapulgite composite flame-retardant foaming agent are stirred into a paste, and further stirred into the finished product of the attapulgite composite flame-retardant foaming agent. The attapulgite composite flame-retardant foaming agent is added with water and stirred at a high speed to form porous foamed mud; and the porous foamed mud is capable of quickly isolating a combustible material from air, thereby achieving the purposes of flame retarding and fire extinguishment; the attapulgite composite flame-retardant foaming agent has the effects of flame retarding, heat preservation, heat insulation and sound insulation, and also has the air purification function; and the attapulgite composite flame-retardant foaming agent is suitable for producing flame retarding and fire extinguishing products, light plates, light walls, and sound attenuation and noise reduction products.

Disclosed are polyol premix compositions, and foams formed therefrom, which comprise a combination of a hydrohaloolefin blowing agent, a polyol, a silicone surfactant, and a catalyst system that includes a bismuth-based metal catalyst. Such catalysts may be used alone or in combination with an amine catalyst and/or other non-amine catalysts.

Methods for generating an improved quality foam for a beverage are presented. In an embodiment, the method comprises providing at least one protein source; providing at least one multivalent ion source; providing a liquid source separate from the multivalent ion source; simultaneously dispensing the protein source and the multivalent ion source with the liquid source; and aerating during the dispensing to produce the stable foam. The foam has an improved stability, texture and mouthfeel.

The invention discloses a composite type kaolin flame-retardant foaming agent. The essentials of the technical scheme are as follows: the composite type kaolin flame-retardant foaming agent is prepared from kaolin powder, concave-convex rod argil powder having an air purification function, hydrogen peroxide, aluminium hydroxide, aliphatic alcohol polyoxyethylene ether sodium sulfate, superfine polyvinyl alcohol powder, dimethicone and water. A preparation method of the composite type kaolin flame-retardant foaming agent comprises the following steps of: firstly, stirring a composite type kaolin flame-retardant foaming agent paste-shaped ingredient into a paste; then stirring the composite type kaolin flame-retardant foaming agent ingredient into a finished product of the composite type kaolin flame-retardant foaming agent. After the composite type kaolin flame-retardant foaming agent is stirred at a high speed, porous foamed slurry is formed and the contact between combustible materials and air can be quickly isolated so as to fulfill the aims of flame retardance and extinguishment; by using a product produced by the composite type kaolin flame-retardant foaming agent, the effects of flame retardance, heat preservation, heat insulation and sound insulation are achieved, and a function of purifying the air is also realized; moreover, the composite type kaolin flame-retardant foaming agent is suitable for producing flame-retarding extinguishment products, light slabs, light wall bodies and sound-attenuating and noise-reducing products.

The invention discloses amino acid cleansing cream containing multiple plant ingredients. The amino acid cleansing cream is prepared from the following materials in proportion with a common preparation method of the amino acid cleansing cream: 17-19% of glycerol, 10-12% of sodium cocoyl glycinate, 9-11% of alkyl polyglucoside, 8-10% of cocamidopropyl betaine, 4-6% of N-lauroyl-L-sodium glutamate, 2-4% of disodium cocoamphodiacetate, 1.5-2.5% of cholesteryl hydroxystearate, 1.5-2.5% of a macromolecule positive ion conditioner, 0.8-1.2% of glyceryl stearate, 0.7-0.9% of saccharides isomerate, 2-4% of natural plant extract, and the balance of plasma water. Through the strict selection and concentration ratio, the synergistic effect of the various materials is played excellently. The amino acid cleansing cream has the advantages that the amino acid cleansing cream is low in irritation, moderate in cleaning performance and good in skin friendliness, and a user feels comfortable after washing with the amino acid cleansing cream and does not feel dry or tight.

The invention discloses a high-elasticity low-density polyethylene foaming composite material and a preparation method thereof. The high-elasticity low-density polyethylene foaming composite material is prepared from the following raw material components in parts by weight: 85-95 parts of low-density polyethylene, 5-15 parts of elastomer, 0.1-0.3 part of crosslinking agent, 1-2 parts of foaming agent and 0.2-0.8 part of blowing promoter. The foaming composite material prepared by the following steps of: burdening, extrusion, drying and injection molding has a high foaming ratio and improved rebound resilience reaching above 16.3%. Compared with present low-density polyethylene foaming sheets on the market, the high-elasticity low-density polyethylene foaming composite material has high cost performance and can be used for solving the problem that the rebound resilience of conventional foaming composite materials prepared by low-density polyethylene (LDPE) generally does not exceed 14%, and as the conventional foaming composite materials cannot reach technical requirements, have high cost and the like, the application of the conventional foaming composite materials in industries is limited.

The invention discloses an epoxy resin and nano inorganic particle compounded foam material and a preparation method thereof. The material comprises epoxy resin, a curing agent, a curing assistant, composite nano inorganic particles and a foaming agent. The preparation method comprises the following steps: mixing the epoxy resin, the curing agent, the composite nano inorganic particles, the curing assistant and the foaming agent, pouring the mixture into a die, curing for 1.5-5.5 hours in an oven at the temperature of 140-160 DEG C, and cooling along with the oven. In the technical scheme of the invention, composite nano inorganic particles are added in epoxy resin, composite inorganic particles can increase the viscosity of the polymer melt in preparing foam material, and the melt viscosity of the foaming system is improved to perform better synchronization of the epoxy resin curing and the cell nucleation and growth, thereby obtaining good foaming effect within wide process scope. Moreover, the prepared foam material has the advantages of small cell average diameter, uniform cell size distribution and high cell density.

The invention provides an electric water heater and an electric water heater assembly method using a large plastic sleeve. The electric water heater comprises an inner container, an outer shell, a water inlet pipe, a water outlet pipe, a magnesium rod, a water inlet pipe sleeve, a water outlet pipe sleeve and a magnesium rod sleeve. One ends of the various sleeve bodies are narrow-mouthed ends, and the other ends of the various sleeve bodies are flared ends. Each narrow-mouthed end is provided with an inner container follow-shape surface which is characterized that a middle hole edge of the inner container follow-shape surface of each plastic sleeve is provided with a horn-mouth shape elastic cantilever extending inward. The free end of each horn-mouth shape elastic cantilever is a cylindrical installation guide. The water inlet pipe sleeve, the water outlet pipe sleeve and the magnesium rod sleeve are connected into a whole in a sequential and side-by-side mode. The electric water heater is reasonable in structural design, high in installation efficiency and good in tightness. In the electric water heater assembly method using the large plastic sleeve, the separated or integrated large plastic sleeve is firstly clamped on a magnesium rod seat, the water inlet pipe and the water outlet pipe, wherein the magnesium rod seat, the water inlet pipe and the water outlet pipe are arranged outside the inner container. Only once inner container leakage detecting is needed, and thus processing step is simplified, and production efficiency and foaming quality are improved.

An antimicrobial hand wash comprises an active ingredient and an amidoamine based cationic surfactant having a fatty chain with from 6 to 24 carbon atoms. These cationic surfactants are compatible with common active ingredients such that antimicrobial efficacy is maintained, while foam quality is improved when the hand wash is dispensed as foam. Other antimicrobial hand washes include specific amidoamine based cationic surfactants that dissolve at least a portion of the active ingredient, thus reducing the amount of solids in the formulation, and, in some instances, making a cold manufacturing process possible.

The invention discloses a full-automatic intermittent type pre-foaming machine. A steam conveying pipeline is communicated with the bottom end of a pre-foaming machine barrel. A negative-pressure feeding device is connected with a metering weighing device and provided with a vacuum generator used for sucking in raw materials in the metering weighing device. The negative-pressure feeding device is arranged above the pre-foaming machine barrel and communicated with the pre-foaming machine barrel. A stirring device is arranged above the pre-foaming machine barrel. The stirring device is provided with a cross-shaped stirring block used for stirring the raw materials in the pre-foaming machine barrel. A sensor used for detecting the foaming degree is arranged on the inner wall of the pre-foaming machine barrel. The pre-foaming machine barrel is connected with a vulcanization drying device. The steam conveying pipeline, the pre-foaming machine barrel and a control system are installed on a rack. The rack is further provided with a power-off protection device connected with the pre-foaming machine barrel to prevent the raw materials in the pre-foaming machine barrel from being bonded after powering off. The full-automatic intermittent type pre-foaming machine can carry out effective drying, foaming particles are not bonded after powering off, the automation degree is high, stirring is even, and efficiency is high.

The invention relates to a production line for fireproof heat-insulating wall plates, and a method for on-site processing of the fireproof heat-insulating wall plates by utilizing the production line, and solves the problems that the conventional multi-layer fireproof heat-insulating wall plate processing equipment has a large occupied area, high investment and failure in on-site processing. Therefore, the production line comprises a stirrer, a pouring vehicle, and two lines of pouring molds, wherein the stirrer comprises an agitation tank; a stirring paddle driven by an external motor is arranged in the agitation tank; the agitation tank is provided with a liquid feeding device, a solid feeding device and a baiting valve, and is fixed on four support legs; the pouring vehicle comprises a vehicle body and a wagon box; the wagon box is fixed on the vehicle body; wheels are arranged below the vehicle body; the opening of the wagon box faces upwards; an emptying gate is arranged at the rear part of the wagon box; and a scraping plate is arranged on a fixing bracket behind the emptying gate. The invention further relates to a corresponding processing method. The production line has the advantages of low investment and small occupied area, ensures on-site processing, saves transportation cost, and is an ideal upgrading product for the conventional fireproof heat-insulating wall plate production line.

A method for filling a cavity with an expanding insulating foam component includes the following. First, providing a closed cavity comprising at least one elongated wall surface that extends along a first direction and includes first and second opposite sides, a top side and a bottom side. Next, forming a plurality of openings in the elongated wall surface arranged along the first direction and being alternating close to the first or the second opposite sides. Next, inserting a dispense tube through a first opening of the plurality of openings, and injecting a first portion of the expanding insulating foam into the closed cavity. The first opening is located close to the bottom side and close to the first side of the elongated wall surface. The injected foam expands along the bottom side and the first side and forms a first sloped top surface that has a positive slope angle. Next, inserting the dispense tube through a second opening of the plurality of openings located close and above the first opening and close to the opposite second side, and injecting a second portion of the expanding insulating foam into the closed cavity. The injected foam expands along the first sloped top surface and the second side and forms a second sloped top surface that has a negative slope angle.

The invention belongs to the technical field of forming of inner containers of refrigerators and particularly relates to a foaming and expanding-shrinking mold for a box body. The mold comprises a base plate and a convex mold body, wherein the convex mold body is formed by combining top plates, side plates and terminal plates, each top plate, each side plate and each terminal plate are of a split type structure, and each side plate and each terminal plate are arranged to do reciprocating motion along the normal so as to transversely expand or shrink the convex mold body; the top plates are fixedly arranged relative to the base plate, and pulling cores are arranged in crevices between the side plates and the top plates to do up-down reciprocating motion; in a foaming process, the side plates expand outwards, and then the pulling cores are level with the tops of the side plates and the top plates; and in a demolding process, the pulling cores move down, so as to form a space for the horizontal shrinkage of the side plates. According to the foaming and expanding-shrinking mold, the expansion and shrinkage of the top plates and the side wall of the mold are simultaneously driven by virtue of the vertical motion of a movable frame, a transmission structure is compact, and the interference is unlikely to be caused in an operation process, so that the foaming quality of the box body is effectively improved.