1069results about How to "Good thickening effect" patented technology

A mixture comprising A) a copolymer comprising from about 70 to about 79% by weight of units derived from ethylene, and having (a) Mw measured by gel permeation chromatography employing polystyrene standard ranging from about 50,000 up to less than 130,000 and / or (f) SSI≦18; (b) density (D) ranging from about 845 to about 895 kg / m3; (c) Mw / Mn less than 3; (d) melting point (Tm) measured by differential scanning calorimeter ranging from about 15° C. to about 60° C.; and (e) degree of crystallinity≧15%, and B) an amorphous polymer having Mw ranging from about 130,000 to about 1,000,000 having degree of crystallinity≦5%. In one embodiment the density and the melting point of the copolymer A) fulfill the expression Tm≦1.247 D−1037. In another embodiment, the percentage content (E: % by weight) of repeating units derived from ethylene and melting point (Tm: ° C.) of the copolymer A) fulfill the expression 3.44E−206≧Tm. Also, additive concentrates and lubricating compositions comprising the components making up the mixture.

The invention discloses konjac jelly powder. The konjac jelly powder comprises the following components in part by weight: 30 to 40 parts of konjac powder, 10 to 25 parts of carrageenin, 0 to 10 parts of xanthan gum, 0 to 15 parts of locust bean gum, 0 to 20 parts of guar gum, 5 to 12.5 parts of sodium citrate, 8 to 15 parts of potassium chloride, 0 to 7 parts of xylitol and 2 to 5 parts of citric acid. A method for preparing jellies by using the konjac jelly powder comprises the following steps of: mixing the konjac jelly powder and white granulated sugar uniformly; pouring the mixed white granulated sugar and konjac jelly powder into a stirred cold water proportioning cylinder; continuously adding the white granulated sugar or syrup, opening steam and heating; and performing filtration, packing and sterilization to obtain konjac jelly finished products. The konjac jelly powder provided by the invention has low production cost, adjustable taste and high dietary fiber content; the prepared konjac jellies do not need to be treated by alkali; and the method for preparing the jellies by using the konjac jelly powder has simple making process and low making cost.

Unique abrasive and / or thickening materials that are in situ generated compositions of precipitated silicas and silica gels are provided. Such compositions exhibit different beneficial characteristics depending on the structure of the composite in situ generated material. With low structured composites (as measured via linseed oil absorption levels from 40 to 100 ml oil absorbed / 100 g composite), simultaneously high pellicle film cleaning properties and moderate dentin abrasion levels are possible in order to accord the user a dentifrice that effectively cleans tooth surfaces without detrimentally abrading such surfaces. Increased amounts of high structure composite materials tend to accord greater viscosity build and thickening benefits together with such desirable abrasion and cleaning properties, albeit to a lesser extent than for the low structure types. Thus, mid-range cleaning materials will exhibit oil absorption levels from an excess of 100 to 150, and high thickening / low abrasion composite exhibit oil absorption properties in excess of 150. Such an in situ, simultaneously produced precipitated silica / silica gel combination provides such unexpectedly effective low abrasion and high cleaning capability and different thickening characteristics as compared to physical mixtures of such components. Encompassed within this invention is a unique method for making such gel / precipitated silica composite materials for such a purpose, as well as the different materials within the structure ranges described above and dentifrices comprising such.

The invention relates to a method for preparing a fluorine-containing modified amphoteric water-soluble polymer, in particular to a method for preparing the fluorine-containing modified amphoteric water-soluble polymer by a cosolvent method and belongs to the technical field of water-soluble macromolecular synthesis. Methacryloyl ethyl-N and N-dimethyl propanesulfonic acid (DMAPS) as amphoteric monomers and perfluoro hexyl ethyl acrylate (PFHEA) and acrylamide (AM) as hydrophobic monomers are copolymerized in a single solvent; azobisisobutyronitrile (AIBN) is used as a catalyst; and the fluorine-containing modified amphoteric water-soluble polymer is obtained. The polymer has good water solubility and remarkable interface activity, thickening, shearing resistance, temperature resistance and salt resistance. Through a mixed solution of anhydrous acetone and anhydrous ether, the polymer is precipitated, dried and pulverized to obtain a powdery product; and the powdery product has wide application prospect in the development of an oil field, dope, printing, household chemical, medicament and other fields.

The invention provides an acrylamide polymer thickener and a preparation method thereof, and a fracturing fluid, wherein the acrylamide polymer thickener is composed of the components by the mass percentage: 20%-45% of a hydrophilic propenyl monomer, 4%-6% of a hydrophobic propenyl monomer, 1%-2% of an emulsifier, 0.2%-0.5% of an initiator, a latent crosslinking agent and the balance water, wherein the latent crosslinking agent accounts for 0.5%-1.8% of the total mass of the hydrophilic propenyl monomer and the hydrophobic propenyl monomer; the acrylamide polymer thickener provided by the invention solves the technical problems in the prior art that a polymer thickener has poor temperature resistance and salt tolerance and poor shearing stability, and the prepared acrylamide polymer thickener has high-temperature performance, and can effectively meet the requirements of on-site construction of slick water fracturing.

The invention discloses an associative acrylate thickening agent as well as a preparation method and application thereof. The thickening agent in dry weight comprises the following component in percentage by mass: 20-40% of hydrophilic monomer, 50-70% of hydrophobic monomer, 1-10% of reactive surfactant and 0.2-2.0% of cross-linking agent. The preparation method comprises the following steps of: mixing the reactive surfactant, the hydrophilic monomer, the hydrophobic monomer, the cross-linking agent and water to prepare a monomer emulsion; reacting a part of monomer emulsion with a part of initiating agent solution to prepare a seed emulsion; adding the reset monomer emulsion and a part of the initiating agent solution into the seed emulsion; and finally adding the rest initiating agent solution to prepare the associative acrylate thickening agent. The thickening agent has the advantages of strong electrolyte resistance, good compatibility with surfactants, wide pH value application range and excellent thickening capability and suspension capability, and is applicable to the thickening of aqueous systems and system mainly containing water.

The invention discloses a comb polyurethane associated thickener and a preparation method and an application thereof and the preparation method comprises the following steps: adopting primary amine and diglycidyl ether to react, obtaining hydrophobic diol; then adopting polyether diol, catalyst, diisocyanate, hydrophobic diol and alkanol to react, using precipitate for precipitation after finishing the reaction, drying the precipitation and obtaining the comb polyurethane associated thickener. More than two hydrophobic groups (long chain alkyl) in the molecules of the comb polyurethane associated thickener so that the consistency of the emulsion paint can be greatly improved, the emulsion paint has not only high viscosity under low shear but also low applicable viscosity under high shear, and the quality of the emulsion paint is increased. The polyurethane associated thickener is applicable to thickening the water-containing system and can be used in emulsion paint, varnish, adhesive, leather, papermaking, dyeing and printing, ink, cosmetics and the like.

The invention discloses an agricultural thickening synergistic agent which comprises the following components by weight percent: 10-30% of fatty alcohol polyoxyethylene ether sulfate, 10-20% of alkyl glycoside, 5-25% of sodium lauroyl sarcosinate, 5-10% of fatty alcohol polyoxyethylene ether, 5-15% of ammonium sulfate and the balance of water. The invention also discloses a glufosinate solution containing the agricultural thickening synergistic agent. The agricultural thickening synergistic agent has the characteristics of being good in wetting synergistic action and stable in performances, and is good in thickening synergistic effect; the glufosinate solution prepared from the agricultural thickening synergistic agent has higher viscosity, is beneficial to improving the adhesive force and the moisturizing performance of a liquid medicine, is beneficial to the internal absorption and the conductivity of glufosinate, and can promote the pesticide effect to be fully exerted; and furthermore, the agricultural thickening synergistic agent also has excellent biodegradability, and is high in safety to the environment and organisms, thus well fitting the development requirements of future agricultural surface active agents.

Unique abrasive and / or thickening materials that are in situ generated compositions of precipitated silicas and silica gels are provided. Such compositions exhibit different beneficial characteristics depending on the structure of the composite in situ generated material. With low structured composites (as measured via linseed oil absorption levels from 40 to 100 ml oil absorbed / 100 g composite), simultaneously high pellicle film cleaning properties and moderate dentin abrasion levels are possible in order to accord the user a dentifrice that effectively cleans tooth surfaces without detrimentally abrading such surfaces. Increased amounts of high structure composite materials tend to accord greater viscosity build and thickening benefits together with such desirable abrasion and cleaning properties, albeit to a lesser extent than for the low structure types. Thus, mid-range cleaning materials will exhibit oil absorption levels from an excess of 100 to 150, and high thickening / low abrasion composite exhibit oil absorption properties in excess of 150. Such an in situ, simultaneously produced precipitated silica / silica gel combination provides such unexpectedly effective low abrasion and high cleaning capability and different thickening characteristics as compared to physical mixtures of such components. Encompassed within this invention is a unique method for making such gel / precipitated silica composite materials for such a purpose, as well as the different materials within the structure ranges described above and dentifrices comprising such.

The present invention discloses a watermelon juice probiotic fermented beverage and a preparation method thereof. The beverage preparation method uses watermelons as raw materials, scientifically blends prebiotic factors, does not add any essences and coloring matters, mainly uses low-temperature processing technology such as ultrasonic wave cleaning, high-pressure pulsed electric field treatment, biological enzymolysis, vacuum degassing, etc. in the whole process, replaces the existing heat sterilization and enzyme blunting technology, maintains the color and luster, flavor and mouth feel of the natural watermelon juice to a maximum degree, enhances the non-biological stability and biological stability of the watermelon juice, reduces the addition of chemical additives, increases the juice squeezing rate and food safety of the watermelon juice, and has a probiotic live bacteria content of 7 multiplied by 10^11 to 8 multiplied by 10^11 cfu / ml. The watermelon juice probiotic fermented beverage is environmentally friendly, can be processed into probiotic solid beverage and quantitatively packaged beverage which have natural taste, are nutritious and health-care, are convenient to drink, and have longer shelf lives, opens up a new way for watermelon deep processing and industrial development, and can achieve better economic and social benefits.

The invention discloses water montmorillonite nano composite heat insulating waterproof paint and a preparation method thereof. The water montmorillonite nano composite heat insulating waterproof paint comprises the following ingredients in percentage by mass: 30 to 35 percent of nano composite emulsion, 10 to 15 percent of polymer emulsion, 10 to 15 percent of rutile-type titanium pigment, 10 to15 percent of organic modified nano montmorillonite, 5 to 10 percent of nano oxide, 0.3 to 0.35 percent of pH adjusting agent, 0.50 to 0.65 percent of film-forming additive, 0.35 to 0.4 percent of elastic foam killer, 0.20 to 0.30 percent of wetting agent, 0.10 to 0.15 percent of dispersion agent, 0.50 to 0.65 percent of anti-freezing agent, 0.10 to 0.15 percent of sterilization antiseptic and 20to 25 percent of water. The water montmorillonite nano composite heat insulating waterproof paint not only has good compatibility, dispersion performance and good stability, but also has good water resistance, heat insulation, environmental protection, outdoor weather resistance and good adhesive attraction and has an antibacterial self-cleaning function.

Unique abrasive and / or thickening materials that are in situ generated compositions of precipitated silicas and silica gels are provided. Such compositions exhibit different beneficial characteristics depending on the structure of the composite in situ generated material. With low structured composites (as measured via linseed oil absorption levels from 40 to 100 ml oil absorbed / 100 g composite), simultaneously high pellicle film cleaning properties and moderate dentin abrasion levels are possible in order to accord the user a dentifrice that effectively cleans tooth surfaces without detrimentally abrading such surfaces. Increased amounts of high structure composite materials tend to accord greater viscosity build and thickening benefits together with such desirable abrasion and cleaning properties, albeit to a lesser extent than for the low structure types. Thus, mid-range cleaning materials will exhibit oil absorption levels from an excess of 100 to 150, and high thickening / low abrasion composite exhibit oil absorption properties in excess of 150. Such an in situ, simultaneously produced precipitated silica / silica gel combination provides such unexpectedly effective low abrasion and high cleaning capability and different thickening characteristics as compared to physical mixtures of such components. Encompassed within this invention is a unique method for making such gel / precipitated silica composite materials for such a purpose, as well as the different materials within the structure ranges described above and dentifrices comprising such.

The invention discloses a paint thickener for printing and a preparation method thereof. The preparation method comprises the following steps: using unsaturated and acidic monomers, crosslinking agent, unsaturated compound and functional monomers to perform inverse emulsion polymerization in hydrocarbon solvent under the action of initiator and oil-soluble emulsifier and performing inverse emulsion, wherein unsaturated and acidic monomers are neutralized before the polymerization. The paint thickener for printing of the invention has excellent thickening ability and electrolyte tolerance performance, high colour yield and soft hand feeling.

The invention relates to Sphingomonas sp. TP-5 and a method and an application of the same for producing welan gum. A strain of the invention is prepared by separating and acclimating sugar-contained wastewater in a molasses plant, has a systematic name of Sphingomonas sp. and a preservation number of CGMCCNo.3097, not only can grow in nutrient media of beef broth, LB and nutrient agar, but also can grow in a sugar-contained inorganic-salt culture medium. The TP-5 strain can be fermented in the sterile culture medium containing sugar, inorganic salt and water at a temperature condition of 28-37 DEG C; ymotic fluid is extracted to obtain the welan gum achieving a temperature-resistant limit value of 150 DEG C; and potassium chloride in different concentrations is added so that a welan gum solution remarkably improves the viscosity, enhances the temperature stability, does not vary the viscosity with temperature and presents stronger temperature tolerance, thereby being applied to seawater drilling mud and a high salinity reservoir viscous water flooding system.

The invention discloses a probiotics troche and a preparation method thereof. Functional leavening agents and germinated brown rice, Chinese herb medicine extract with anti-cold and hot irritability and a stabilizer capable of effectively enhancing the stability are added into a yoghourt fermenting process; poikilothermal yogurt fermentation enables proliferation of lactic acid bacteria to the maximum extent, so that the anti-cold and hot irritability of lactic acid bacteria is improved. yogurt and fruit and vegetable slurry are pre-treated by using a non-hot-working technology so as to prevent infectious microbe infection in the process, improve the juice yield of the fruit and vegetable slurry, increase the content of soluble cellulose of the fruit and vegetable slurry and prevent the fruit and vegetable slurry from brown stain. Moreover, when the fruit and vegetable slurry and the yogurt are mixed, a scientifically compounded freezing protecting agent which is relatively good in anti-freezing effect is added. Finally, the probiotics troche which is smooth in taste, uniform in texture, stable in state, natural in quality, high in viable count, strong in functionality and long in expiration data is prepared. The viable count is (1.75-2.55)x10<11> CFU / g. At normal temperature, the expiration data is 30-36 months.

The invention discloses an acrylamide copolymer and its preparation method and application. The acrylamide copolymer contains a structural unit A, a structural unit B and a structural unit C. the structural unit A is a unit with a structure as shown in the formula (1) and / or the formula (2); the structural unit B is a unit with a structure as shown in the formula (3) and / or the formula (4); and the structural unit C is a unit with a structure as shown in the formula (5) and / or the formula (6). In addition, with the total mole number of the structural units in the acrylamide copolymer as the reference, the structural unit A accounts for 5-25 mol%, the structural unit A accounts for 60-90 mol%, and the structural unit C accounts for 1-30 mol%. Viscosity-average molecular weight of the acrylamide copolymer is 1-10 million. The acrylamide copolymer has excellent thickening performance under conditions of high temperature and high salinity, and gel formed after crosslinking has good shearing resistance.

The invention relates to the technical field of food processing, in particular to a glutinous rice product and a preparation method thereof. The glutinous rice product has an improved preparation recipe consisting of 80 to 120 parts of high-quality glutinous rice flour, 10 to 20 parts of corn modified starch, 300 to 400 parts of high maltose syrup, 50 to 70 parts of water and compound improving agents which are 5 to 10 percent of the weight of the glutinous rice flour, wherein wrappers account for 70 to 80 percent of the total weight, and the stuffing accounts for 30 to 20 percent of the total weight. The preparation method comprises the following steps of: preparing wrapper, preparing stuffing, filling stuffing automatically, shaping and processing by smoothening agent; then, carrying out ozone sterilization for 1h; and packing to obtain finished products. The invention is characterized in that through the recipe and the process optimization, the preparation process has high automation degree, and the prepared glutinous rice product has strong water preservation performance, high elasticity, good flavor and rich nutrition and is convenient to eat. The problem that the traditional glutinous rice product has short shelf life and can be easily hardened is solved, and the shelf life of the glutinous rice product can reach more than 6 months.

The invention relates to a linear water-based polyurethane thickener containing hydrophobic side bases and a preparation method of the linear water-based polyurethane thickener. The preparation method is characterized in that 40 weight percent to 60 weight percent of dibasic alcohol polymers, 10 weight percent to 30 weight percent of diisocyanate and 0 weight percent to 5 weight percent of catalysts are mixed, under the condition of N2 gas existence and the temperature being 50 DEG C to 100 DEG C, the stirring is carried out for 1 to 6 hours, then, 10 weight percent to 30 weight percent of end-capping agents are added, under the condition of the temperature being 50 DEG C to 100 DEG C, the stirring is carried out for 1 to 6 hours, polyurethane prepolymers are prepared, then, 5 weight percent to 20 weight percent of chain extenders are added into the prepared polyurethane prepolymers, the stirring is carried out for 1 to 6 hours under the condition of the temperature being 50 DEG C to 100 DEG C, and the linear water-based polyurethane thickener containing hydrophobic side bases is prepared. The linear water-based polyurethane thickener and the preparation method have the characteristics that no solvent exists, the toxicity is low, the environment is protected, the preparation process is simple, and the like. The prepared linear water-based polyurethane thickener containing hydrophobic side bases is applicable to the thickening of water-based paint, and the obvious thickening effect is realized.

The invention discloses a high performance alkali swelling thickener which is characterized by comprising the components in parts by weight as follows: 1000-1010 parts of mixed acrylate monomer, 5-60 parts of emulsifier, 1-50 parts of initiator, 10-150 parts of protective colloid and 1600-1900 parts of deionized water. The mixed acrylate monomer is a mixture of soft monomer, a hard monomer and a crosslinking functional monomer. The invention further discloses a preparation method of the high performance alkali swelling thickener. The high performance alkali swelling thickener provided by the invention has the advantages of high swelling performance, high viscosity and high transparency, and is high temperature and low temperature resisting. The thickener is not only suitable for daily cosmetic and home nursing products and bonders, but also suitable for the field of well drilling in oil fields.

The invention discloses an agricultural thickening synergist. The agricultural thickening synergist comprises the following components by mass percent: 1-40% of fatty alcohol polyoxyethylene ether sulfate, 0-30% of alkyl glycoside, 5-15% of sodium lauroyl sarcosinate, 5-10% of sodium alkyl benzene sulfonate, 5-15% of ammonium sulfate and the balance of water. The invention also discloses an application of the agricultural thickening synergist in a glyphosate isopropamide salt water agent and a glyphosate salt water agent. The agricultural thickening synergist has the characteristics of better wetting synergy effect, more stable performance and better thickening synergy effect; by using the glyphosate salt water agent, the agricultural thickening synergist has high viscosity, the adhesive force and moisture property of the liquid medicine are improved, the internal absorption and conductivity of the glyphosate are realized, and the pharmacological function can be fully realized. Besides, the agricultural thickening synergist has excellent biological degradability, has high safety to the environment and organisms, and meets the development requirement of the agricultural surface active agent in the future.

The invention relates to a formula of an aquatic product composite preservative. The formula of the aquatic product composite preservative is characterized in that the aquatic product composite preservative in each liter of distilled water comprises the following components: 0.4 to 0.6 g of muramidase, 2.5 to 3.5 g of tea polyphenol, 16 to 20 g of carboxymethyl chitosan, 10 to 14 g of nisin, 25 to 35 g of potassium sorbate, 17 to 23 g of sodium alginate, 20 to 30 g of lactobacillus, 1.5 to 2.5 g of propolis extracts and 10 to 14 g of spice extracts; and the spice extracting liquid comprises the raw materials: galangal, garlic, onion, cinnamon, clove and rosemary. The aquatic product composite preservative provided by the invention is prepared by compounding biological preservatives, is safe and non-toxic, has simple preparation and application methods, prominent microbial inhibition effect and good preservation effect, can greatly prolong the shelf life of frozen aquatic products, and has important industrial value.

The invention relates to a high-performance epoxy-based resin composition suitable for sheet molding compound (SMC) molding. The epoxy-based resin composition is prepared from the following components in parts by mass: 100 parts of mixed epoxy resin, 20-60 parts of curing agent, 10-40 parts of thickening agent, 0.5-5.0 parts of internal demolding agent and 50-120 parts of filler. The epoxy-based resin is separately selected from glycidyl ether epoxy resin and glycidyl amine epoxy resin or glycidyl ester epoxy resin, the epoxy resin composition has good wettability and bonding strength to fibers, the cured product has excellent heat resistance and mechanical strength, and the epoxy sheet molding compound prepared from the epoxy resin composition provided by the invention is suitable for the occasions with strict requirements on temperature resistance, corrosion resistance and insulation property.

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.

The invention relates to fireproof paint, in particular to tunnel fireproof paint, which is prepared from the following ingredients: a major bonding agent (ordinary Portland cement), inorganic heat insulation filling materials (expanded perlite, expanded vermiculite, meerschaum, kaoline and wollastonite powder) and addition agents (calcium formate, starch ether, redispersible latex powder, methyl cellulose ether and polypropylene fiber). Through the unique addition agent combination and the prescription mixture ratio, the tunnel fireproof paint has the advantages that the construction performance is obviously improved, at the same time, the integral overall performance of the tunnel fireproof paint is greatly improved, and the tunnel fireproof paint has the characteristics of stable fireproof performance, high adhesion intensity and stable physicochemical performance. Simultaneously, the product per se generates no toxic substance in the construction and burning processes, has the effects of environment protection and high practicability, and can be widely used for the fireproof protection of buildings such as highways, railways, subway tunnels and the like.

The invention discloses a polyurethane associated thickener, and a preparation method and application thereof. The preparation method comprises the following steps: adding polyether polyol and methylbenzene to a reaction container under protection of nitrogen, heating up to 110-130 DEG C, and drying and dewatering in vacuum for 2-4 hours; adding a catalyst and diisocyanate after cooling to 30-50 DEG C, heating up to 50-80 DEG C and reacting for 2-6 hours, so as to obtain a methylbenzene solution of a polyurethane prepolymer; adding a chain extender to expand the chain, reacting for 2-6 hours, and then adding a hydroxyl-containing dendric molecule capping agent; heating up to 60-100 DEG C and reacting for 2-8 hours, and then adding a precipitator petroleum ether or normal hexane; drying the sediment in vacuum to finally obtain white solid powder, namely the polyurethane associated thickener. By adopting the polyurethane associated thickener, the viscosity of an emulsion paint can be effectively improved at low dosage, so that the emulsion paint has high viscosity in a low shear state, and also has the characteristic of low construction viscosity in a high shear state; the polyurethane associated thickener has a better application prospect.

The invention relates to a modified attapulgite heavy metal ion adsorbing agent. The modified attapulgite heavy metal ion adsorbing agent is prepared from the following raw materials in parts by weight: 1 to 2 parts of ammonium sulfate, 2 to 3 parts of water glass, 2 to 3 parts of malonic acid, 6 to 9 parts of layering expanded vermiculite, 0.2 to 0.4 part of citronellol, 1 to 2 parts of a silane coupling agent with amino group, 1 to 2 parts of sodium carboxymethylcellulose, 100 to 120 parts of attapulgite, an appropriate amount of water, 5 to 10 parts of assistants and 20 to 30 parts of a 2% to 3% sodium hydroxide solution. The dispersibility, suspension property, adsorption property and thickening performance of the attapulgite are improved, and the attapulgite is endowed with acid resistance and salt resistance as well as a toxic-free property; the attapulgite modification agent is uniform in modification and unlikely to drop, can be used as an adsorbing agent or a flocculating agent and can remove heavy metal ions, such as copper, in water.

The invention belongs to the technical field of building materials and particularly relates to a foaming agent for hydrophobic foam concrete and a preparation method of the foaming agent. The foaming agent for the hydrophobic foam concrete is prepared from the following raw materials in parts by weight: 200-260 parts of a frother, 20-30 parts of a foam stabilizer, 1-2.5 parts of a thickener, 210-300 parts of an enhancer, 15-20 parts of a diluent, 1.5-2.5 parts of a preservative and 420-480 parts of water. The foaming agent for the hydrophobic foam concrete is good in stability of generated foams, good in foaming effect, high in closed pore ratio of generated foamed concrete, good in hydrophobicity and high in compressive strength.

The invention discloses a cationic-nonionic composite intercalated organic montmorillonite and a preparation method thereof. The method comprises the steps of: refining calcium montmorillonites; conducting a hydration treatment to the calcium montmorillonites, i.e. making the refined calcium montmorillonites into water suspension which is then subjected a hydration treatment through a combinationof mechanical stirring and ultrasonic effect; preparing cationic-nonionic composite intercalated organic montmorillonite materials, i.e. respectively under the effects of ultrasonic dispersion and mechanical stirring, employing an organic cationic surfactant and a nonionic surfactant to intercalate the hydrated montmorillonite suspension in order. The interlamellar spacing of the organic montmorillonite provided in the invention can reach more than 4.6nm. Characterized by high thermostability, uniform dispersion in an organic phase, high stripping degree and excellent performance, the cationic-nonionic composite intercalated organic montmorillonite can be applied to the field of macromolecule nanocomposite preparation as a filling material with excellent performance.

The present invention relates to one kind of stuffing for roasted food and its preparation process. The stuffing consists of sugar 10-30 wt%, modified starch 0-11 wt%, hydrophilic colloid 0.1-0.6 wt%, steamed monoglyceride 1-5 wt%, potassium sorbate 0.01-0.1 wt%, food water preserver 5-30 wt%, edible essence and / or edible color 0.2-0.5 wt%, and water for the rest, with water content being less than wt%. The stuffing has the synergistic effect of colloid and modified starch, high flowability, high water preserving capacity, high freezing resistance and stable quality, and the roasted food with the stuffing has good taste.

The invention belongs to the field of new materials and particularly relates to a preparation method of acrylic thickening agents with inorganic clay as a cross-linking agent. According to the method, a silane coupling agent is adopted for modifying the inorganic clay, vinyl is introduced on the surface of the inorganic clay, and then the acrylic thickening agents are prepared through inverse emulsion polymerization by taking vinyl silane coupling agent modified inorganic clay as the cross-linking agent, an acrylic monomer as a main monomer and a hydrophobic long-chain monomer as a functional monomer for improving the electrolyte resistance of the thickening agents. The thickening agent is low in price and has excellent thickening performance and salt tolerance.