1150results about How to "Good foaming effect" patented technology

Provided is a waterborne ultra-thin steel structure fire retardant coating and a preparation method thereof. The raw material ratio of the coating includes 15-50% by weight of polymer latex, 15-30% by weight of ammonium polyphosphate, 5-15% by weight of pentaerythritol, 3-10% by weight of cyanurtriamide, 5-12% by weight of titanium dioxide, 2-13% inorganic filler, 0-5% by weight of expansiveness graphite, 1-10% by weight of plasticizer, 0.4-1.5% by weight of wetting dispersant, 0.2-0.5% by weight of defoamer, 1-6% by weight of coalescing agents and 5-15% by weight of water, and total raw material ratio is 100%. A high-speed dispersion method or a grinding dispersion method is adopted in preparation of the coating. A coating layer of the fire retardant coating can form a carbonization layer which is good in foaming effect, small and uniform in air holes and high in expansion times when in heating. The final fire retardant performance of the coating is far higher than technical requirements of a national standard. The waterborne ultra-thin steel structure fire retardant coating is a waterborne coating product, is non-poisonous and odorless and environment-friendly, and can be coated in a mode of brushing or spraying or roller coating.

An aerated food product is provided which includes hydrophobin. Also provided is the use of a hydrophobin in a method of inhibiting bubble coarsening in aerated food products.

The antimicrobial composition of the present invention comprises a cationic active ingredient, a quaternized sugar-derived surfactant, and an optional foam boosting surfactant. The present antimicrobial compositions are free of the antimicrobial agent triclosan (i.e., 2,4,4′-trichloro-2′hydroxy-diphenylether), have a high cidal activity in a short amount of time, provide stable copious foam and exhibit enhanced tissue (e.g. skin) compatibility as defined by an in vitro whole toxicology assessment method.

The invention discloses an inorganic fireproof heat-insulating material, which comprises the following components by weight: 0.5-30 parts of reinforced fibers; 40-65 parts of lightweight aggregate; 2-15 parts of bentonite; 12-35 parts of an adhesive; 5-20 parts of an inorganic gel material; 2-10 parts of an interface agent; 0-10 parts of expanded polyphenyl particles; and 200-260 parts of water. Specifically, the expanded polyphenyl particles play a buffering role in a stirring process, so that the lightweight aggregate can avoid breakage. The interface agent can enhance the compatibility of various raw materials and has a foaming effect. The adhesive and the inorganic gel material retain the produced foam. The reinforced fibers endow the material with certain elasticity and good mechanical strength. The preparation method of the material provided in the invention is simple and convenient, and is easy to operate and to realize industrial production. The material disclosed in the invention has the characteristics of high temperature resistance, good heat insulation performance, and small unit weight, not only can be used as a heat insulation sheet material and a heat insulation slurry, and also can be used as a fireproof door core, a fireproof plugging material and other inorganic refractory materials.

The invention discloses a preparation method of a biodegradable carbon dioxide-based polyester-polycarbonate terpolymer. A commercialized, simple and efficient nonmetal triethyl boron/tetra-n-butyl ammonium chloride catalytic initiation system is used for catalyzing and initiating epoxypropane, carbon dioxide and phthalic anhydride to be subjected to a ternary polymerization reaction, and an aromatic polyester structure with the content of 10%-40% is successfully introduced into a main chain of polymethyl ethylene carbonate (PPC). The terpolymer can have different sequence structures; and haverandom and block structures and the like, the glass transition temperature and the thermal stability of PPC are improved, and a catalytic system does not contain metal components, so that the phthalic anhydride modified PPC has extremely high light transmittance, very high melt viscosity and good foaming performance on the premise of keeping the biodegradability of a PPC material. The method canbe used for synthesizing the modified PPC biodegradable material, and widens the application range of the PPC material.

The invention relates to a mixture composition comprising rhamnolipids, to a process for its preparation, to its use for producing formulations and to formulations comprising this mixture composition.

The invention relates a novel high temperature resistant polyimide foam and the preparation process thereof is as follows: (1) firstly, 2, 3, 3', 4'-biphenyl tetracarboxylic dianhydride or 2, 3, 3', 4'-biphenyl tetracarboxylic dianhydride and another type of aromatic dianhydride are heated and refluxed in a fatty alcohol solution so as to change the tetracarboxylic dianhydride into diacid diester; (2) in accordance with a certain proportion, the obtained diacid diester is synthesized into a precursor solution with one type or more of aromatic diamine and a blocking agent of acetylenyl benzene and a certain quantity of foam stabilizer is added into the solution; (3) the solution is heated to remove tiny molecule volatile matter and obtain a polymide precursor powder; and (4) the precursor powder is filled into a mould to be frothed at high temperature and carries out imidization so as to obtain the polyimide foam. The density of the novel high temperature resistant polyimide foam is 10 kg/m<3> to 500 kg/m<3> and the vitrified transformation temperature is over 350 DEG C; and the foam is characterized by excellent high temperature resistance, low temperature resistance, mechanical properties and functions of anti flaming, heat insulation or noise reduction.

The invention belongs to the technical field of insulation material for building, and particularly relates to a foam cement insulation material for exterior wall and a preparation method thereof. The foam cement insulation material for exterior wall is prepared from raw materials comprising ordinary portland cement, sulphoaluminate cement, fly ash, silica fume, an expansive agent, a coagulating enhancer, a tackifier, a water-reducing agent, a waterproofing agent, a foaming agent, a foam stabilizer, fiber and water. The preparation method comprises the following steps: (1) first conducting dry mixing on ordinary portland cement, sulphoaluminate cement, fly ash, silica fume and the expansive agent, adding coagulating enhancer, tackifier, water-reducing agent, waterproofing agent, foam stabilizer, water and fiber, and stirring to obtain a slurry; and (2) adding the foaming agent in the slurry, and filling the foamed slurry into a mold. The foam cement insulation material for exterior wall has good fire resistance, long service life, good insulation property, light weight, high strength, low water absorption and good crack resistance.

The invention relates to a foam generator used for coal mine underground dust removal, mainly comprising a cylinder body, a Venturi tube, a spoiler, baffle plates and so on, wherein, the cylinder body is a cylinder; the Venturi tube is arranged inside the cylinder body; a diffuser of the Venturi tube is uniformly provided with a certain number of air inlet pores; the spoiler is a hollow cone and is horizontally arranged inside the space of the diffuser of the Venturi tube and fixed on the cylinder body by a support; a plurality of pores are arranged on the surface of the spoiler; the baffle plates are arranged on the rear of the foam generator. Gas enters from the side face of the cylinder body of the foam generator; foam liquid flows into the foam generator through a pipe on the front end of the foam generator; the flow velocity of the foam liquid is increased when the foam liquid passes through the throat section of the Venturi tube, and jets are formed; gas uniformly enters from the pores of the diffuser of the Venturi tube, and the gas and the liquid are fully mixed after passing through the spoiler and a plurality of baffle plates, consequently two-phase foams are generated. The foam generator used for coal mine underground dust removal has the advantages of stable structure, convenient use, light weight, small volume, no blockage and good foaming effect.

Foaming composition for topical application in the form of an oil-in-water emulsion, where the size of the droplets of the oily phase D[4,3] is less than or equal to 4 μm, the oily phase is present in an amount of at least 30% by weight, the composition containing an emulsifying system with an HLB value ranging from 8 to 18, present in an amount of at least 2% by weight relative to the total weight of the composition, and a foaming system comprising at least one anionic surfactant chosen from alkyl glycol carboxylic acids of formula (I) and salts thereof.

The invention relates to special resin with high melt strength for foaming of polylactic acid and a preparation method thereof, and belongs to the technical field of macromolecules. The special resin is prepared from the following raw materials in parts by weight: 60 to 95 parts of polylactic acid, 1 to 20 parts of biodegradable copolymer, 0.1 to 1 part of chain expander, 1 to 5 parts of melt enhancer, 0.1 to 5 parts of nucleating agent, and 0.5 to 2 parts of lubricant. The special resin has the advantages and beneficial effects that by improving the melt strength of the polylactic acid and enhancing the adsorbing ability of polylactic acid on CO2 (carbon dioxide), the foaming property of the polylactic acid is enhanced. The used devices are universal devices in the technical field of macromolecules, such as a double-screw extruder, a crystallizing drier and a plastic extrusion foaming machine. The special resin has the advantages that the operation is simple and convenient, the control is easy, the industrialized implementing is easy, and the economic benefit is high.

Foaming composition in the form of an oil-in-water emulsion, wherein the size of the droplets of the oily phase D[4,3] is less than or equal to 4 μm, the oily phase is present in more than 30% by weight, the composition containing an emulsifying system and a mixture of foaming surfactants, the oily phase (A)/foaming surfactant mixture (c) weight ratio ranging from 1.5 to 12, an amount of less than or equal to 45% by weight of water relative to the total weight of the composition being present.

The invention discloses a high-stability salt-containing clothes washing effervescent tablet and a preparation method thereof. A surfactant, a detergent auxiliary, an adhesive, a disintegrating agent, a covering agent and salt serve as main components of the effervescent tablet. The clothes washing effervescent tablet is prepared through the technologies of mixing, granulating, tablet compressing, film covering and the like. The high-stability salt-containing clothes washing effervescent tablet contains a lot of sodium chloride, so that the effervescent tablet has the characteristics of being natural in disinfection and sterilization, high in dissolving speed, stable and the like. Meanwhile, the washing effect of a traditional laundry detergent is kept, and the effervescent tablet has the characteristics of being low in foam, effective and completely water soluble. The effervescent tablet is convenient to carry and meter, overcomes the defects that the traditional laundry detergent is heavy and large and not easy to carry and store after being unsealed, and brings convenience to clothes washing when people go out and travel. Besides, the effervescent tablet does not contain any component polluting the environment, can be completely and naturally degraded, and makes a contribution to environmental protection.

The invention relates to a PVC (polyvinyl chloride) paste resin and a preparation method thereof. The preparation method is characterized by comprising steps as follows: (1), deionized water, a buffering agent and an activating agent are added to a seed emulsion polymerization kettle, vacuum pumping is performed, and an oxidizing agent and a reducing agent are added for aging; vinyl chloride monomers are added after aging for polymerization reaction, and the reducing agent and emulsifiers are added; (2), fatty alcohol is added after the polymerization reaction, and seeds are obtained; (3), the seeds after dilution are added to a micro-suspension polymerization kettle with the deionized water, an initiator A, an initiator B, the vinyl chloride monomers, an emulsifier A and an emulsifier B; a finished PVC paste resin product is obtained through spray drying after reaction. According to the PVC paste resin and the preparation method thereof, the advantages of two production methods including a seed emulsion method and a micro-suspension method are combined, and the PVC paste resin is in two-peak distribution, has the characteristic of good foaminess of a seed emulsion product and has the characteristics of good liquidity and low paste viscosity of the micro-suspension method.

The invention relates to the technical field of PVC materials, in particular to a PVC (polyvinyl chloride) foam material for a sole and a preparation method of the PVC foam material. The PVC foam material for the sole comprises raw materials in parts by weight as follows: 80-120 parts of PVC resin, 40-60 parts of a plasticizer, 20-30 parts of a filling agent, 6-10 parts of a wear-resistant modifier, 4-8 parts of a thermal stabilizer, 2-4 parts of a foaming agent, 0.8-1.2 parts of a lubricant and 1-2 parts of a processing aid. The raw materials are adopted for preparation of the PVC foam material for the sole, the weight proportion of the raw materials is controlled strictly, the performance of the prepared PVC foam material for the sole exceeds the national standards, and the PVC foam material is environment-friendly and has good temperature resistance and weather resistance, high strength, excellent anti-impact performance, good flame-retardant effect, good processing performance and excellent comprehensive performance.

The invention discloses a milk foam machine directly driven by a motor, comprising a cup cover, a cup body, an inner cup, a stirrer, a control panel, an electric heating tube, a motor and a power supply base. The milk foam machine adopts a sleeved structure that an upper piece and a lower piece of an electric connector are respectively arranged below the cup bottom and on the power supply base; and after the upper piece is sleeved with the lower piece, an external power supply in the power supply base is connected with a circuit below the cup to supply power for the electric heating tube and the motor. An aluminum sheet is compounded on the electric heating tube; the motor is arranged below the cup through a motor fixed piece; a driving shaft of the motor passes through the cup bottom from the eccentric position and extends into a container; a stirrer for stirring or foaming is sleeved at the shaft end; a sealing ring with more than two rings of flange rings is arranged between the driving shaft and a shaft hole; the flange ring of an inner ring is protruded into a high lug boss for sealing the shaft hole and the shaft; and the flange ring of an outer ring is used for sealing the surface space between the cup bottom and the fixed sheet. The invention has the advantages of favorable sealing performance, simple structure, favorable foaming effect and stable heating. The milk foam machine is applicable for heating or not heating and foaming or only heating liquid state milk.

The invention provides a fabric detergent with colour-preserving function and preparation method thereof. The detergent contains sodium fatty alcohol ether sulphate, laurylamide propyl betaine, alkyl glucoside, fatty alcohol polyoxyethylene (9) ether, sodium alpha-olefin sulphonate, 3-methooxyl-3-methyl-1-butyl alcohol, 1-vinyl pyrrolidone, 1-vinyl copolymer, sodium chloride, 1, 2-benzisothiazolin-3-one, essence, citric acid monohydrate and deionized water. The invention obtain favourable detergency in clothing washing process while realizing colour-preserving effect; the detergent is environmentally friendly, cleaning and colour-preserving are completed in one step, the detergent is non-toxic and non-irritant, and resource is saved.

The invention relates to a low-temperature thermal expansion micro-sphere. The micro-sphere is formed in the mode that a shell formed by polymerizing unsaturated alkene monomers wraps inert hydrocarbons. Each unsaturated alkene monomer is composed of acrylonitrile, acrylics and a vinyl acetate monomer. The total mass of each unsaturated alkene monomer is 100 wt% as the calculation datum, the acrylonitrile accounts for 40-80 wt%, the acrylics accounts for 5-55 wt%, and the vinyl acetate accounts for 1-40 wt%. The defects that pollution is caused easily, the production cost is increased and a micro-sphere can not be foamed easily in the prior art are overcome. The low-temperature thermal expansion micro-sphere does not contain halogen, can be synthesized under the low pressure and even under the normal pressure, has the good foaming ability, and is free from pollution and low in cost.

It is an object of the invention to provide an injection nozzle that efficiently foams foamed aerosol content, thereby improving adhering ability onto applying part. Furthermore, facilitating the oxidization of the foamed aerosol content and improving the effectiveness of the foamed aerosol content. It is also an object of the invention to provide an aerosol injection nozzle for injecting the foamed aerosol content that the clogging is prevented even when the foamed aerosol content have a high viscosity with a simple constitution and in low cost. An aerosol injection nozzle according to the invention includes a collision wall for foamed aerosol content to be collided and interfusing with air, disposed at an injection outlets. The collision wall is disposed within a retention chamber for temporary retaining the foamed aerosol content. The aerosol injection nozzle includes an outflowing outlet for outflowing the foamed aerosol content at least at a lower side of an injection axis line between retention chamber and injection outlets.

The invention discloses a foaming agent for foam concrete. The foaming agent is prepared by uniformly mixing and stirring the following raw materials at room temperature, by weight : 5-10 parts of sodium dodecyl benzene sulfonate, 2-4 parts of sodium alcohol ether sulphate, 1-2 parts of sodium lauroyl sarcosinate, 1-2 parts of cocamidopropyl betaine, 0.2-0.6 part of polyethylene glycol (120) methyl glucoside dioleate, 0.3-0.5 part of triethanolamine, 0.5-1 part of polyacrylamide, 1-2 parts of hydroxyethyl cellulose, and 60-70 parts of water. The invention has advantages of easily available raw materials, low cost and simple preparation process; and the produced foaming agent has advantages of good stability, no deterioration, easiness for long-term preservation, prolonged shelf-life, good foaming power, good peaceability with various foam concrete substrates, no defoaming and unrestricted range of usage.