617results about How to "High gel strength" patented technology

Oil-based settable spotting fluid compositions and methods of using the compositions are provided. The oil-based settable spotting fluid compositions are basically comprised of oil, an emulsifying surfactant for emulsifying the oil with water whereby an oil-external emulsion is formed, a de-emulsifying surfactant which in time de-emulsifies said oil-external emulsion when the emulsion is contacted with external water, a hydraulic settable component selected from the group consisting of ASTM Class C or the equivalent fly ash and ASTM Class F or the equivalent fly ash together with a source of calcium and water selected from the group consisting of fresh water and salt water.

Described are mono- and bi-layer alginate post-surgical anti-adhesion barriers with tailored absorption profiles and non-migrating characteristics. Muco-adhesive properties of alginates in their solid state are used to localize the device, and lubricious properties of alginates in their liquid state are used to mitigate adhesion formation during wound healing. In addition, the design of the implant can be selected such that the crosslinking agent is released from the device under specific conditions and the absorbance profile modified. A medicinal agent may optionally be incorporated.

The invention provides a method for preparing a composite water-retaining agent by adopting plant straws, belonging to the technical field of high-polymer materials. In the invention, the biodegradable plant straws with wide sources and low prices are used as raw materials, and graft copolymerization is carried out on the plant straws and acrylamide, clay, and the like to obtain the composite water-retaining agent with good comprehensive performance, therefore, the cost of the water-retaining agent is effectively reduced, and a new path for the application of the plant straws is sought. Meanwhile, since the composite water-retaining agent also has higher gel strength and saline alkali tolerance, the service performance of the water-retaining agent is further improved, and the service life thereof is prolonged.

The present invention relates to a novel method of making a non-liquid fruit product (fruit chip) which has a natural fruit flavor and which can be formed in desired individual or discrete configurations and sizes. A method of making a dry particulate natural fruit chip product comprising: (a) adding a fruit ingredient and water to a heated kettle; (b) adding buffer, sugar and pectin to the fruit ingredient and water; (c) boiling the buffer, sugar and pectin fruit ingredient and water mixture to hydrate the pectin; (d) adding liquid sugar to the mixture and continuing to boil the mixture until excess water is boiled away; (e) adding sugar to the mixture in the kettle to reduce the temperature of the mixture and increase solids concentration; (i) transporting the mixture from the kettle through a heat exchanger to raise the temperature of the mixture; (g) adding acid and flavoring mix to the mixture and mixing the acid/flavour into the mixture; (h) passing the mixture into a heated depositor and dispensing the mixture onto a surface in the form of discrete fruit chips; (i) retaining the fruit chips on the surface until they lose heat and form a stable gel; (j) transporting the gelled fruit chips through a zone to remove excess moisture and enhance gel strength of the fruit chips; and (k) transporting the fruit chips through a cooling zone so that the fruit chips lose further heat and reach ambient temperature.

The invention relates to a preparation method of organic/inorganic compound semi-interpenetrating network super-absorbent, which composites linear polycation and polymer to obtain organic/inorganic compound semi-interpenetrating network super-absorbent. The inventive product has high thermal stability, strength and salt tolerance, which can be used in sanitary and soil improvement fields. The preparation method comprises using cation monomer in-situ intercalation polymerization composite method or linear polycation direct intercalation composite method to prepare a composite solution of polycation and layered silicate, adding monomer, cross linker and initiator, polymerizing and obtaining gel at 20-90DEG C. The invention has the advantages that the invention polymerizes polycation and layered silicate to improve compatibility, and uses inter-penetrating network structure and organic/inorganic composite structure to improve product strength and salt tolerance.

The invention discloses coagulated yoghurt with aloe fruit granules and a manufacturing method thereof. The method comprises the following steps: centrifuging or filtering to clean raw milk, adding white granulated sugar and stabilizer, homogenizing, sterilizing and cooling feed liquid, then adding yogurt leaven, aloe fruit granules and flavor substances, properly stirring to uniformly disperse the materials, encapsulating the product, fermenting in a fermentation house, refrigerating, and carrying out after ripening to obtain the coagulated yoghurt with aloe fruit granules. The manufactured product has the advantages of delicate and smooth mouth feel, pleasant sweetness and sourness and no colloid feeling, and has peculiar flavors of aloe and fermented milk products. The manufacturing method can realize the production of the coagulated yoghurt with aloe fruit granules on a common yogurt production line without increasing any auxiliary equipment, thereby saving the equipment investment and lowering the production cost. Thus, the invention provides a novel yogurt which has the mouth feel of aloe pulp, the nutrient values of yogurt and aloe and favorable viscosity for consumers, and has better market prospects.

According to the present invention, the manufacturing method for the water absorbing resin involves the step of polymerizing a water-soluble unsaturated monomer, 0.06 of 5 mol % of which is composed of an internal crosslinking agent; and the step of drying a water-containing gel which has a thermally decomposing radical initiator content index of 40 to 100 at 100 to 250° C. The water absorbing resin of the present invention contains a water-soluble unsaturated monomer as a repeat unit for a major chain, 90 mol % of the monomer being composed of an acrylic acid and/or salt thereof, the resin having an internal crosslinking structure and exhibiting a weight-average molecular weight Mw of 360,000 to 1,000,000 daltons and an intrinsic viscosity IV of 2.1 to 6.0 dL/g where the weight-average molecular weight Mw and the intrinsic viscosity IV are measured after treatment under set 2 of hydrolysis conditions.

The invention concerns an oil-in-water emulsion wherein the oil droplets of a diameter in the range of 5 nm to hundreds of micrometers exhibit a nano-sized self-assembled structure with hydrophilic domains having a diameter size in the range of 0.5 to 200 nm, due to the presence of a lipophilic additive, and the oil-in-water emulsion contains a thickener or gelling agent in order to create new product consistencies and textures.

The invention relates to a handwork-dough-modeling and plasticine dual-purpose material. The handwork-dough-modeling and plasticine dual-purpose material comprises, by weight, 8 parts of wheat flour, 5 parts of glutinous rice flour, 1 part of malt sugar, 0.5 part of refined salt, 0.5 part of condensed milk, 2 parts of fresh milk, 0.8 part of honey, 2 parts of diatom soil, 2 parts of modified starch, 1 part of waxiness corn starch, 1.5 parts of kaolin, 0.5 part of bone glue, 1 part of calcium carbonate, 0.8 part of glycerin, 0.2 part of sodium diacetate, 0.5 part of potassium hydrogen tartrate, 0.5 part of food colorant, 1.5 parts of aloe gel, 0.1 part of olive oil, 0.2 part of sun screen and 5 parts of water. When children make handwork artware, the handwork-dough-modeling and plasticine dual-purpose material can be used as a dough modeling material so that dough modeling handwork artware can be made, and can also be used as a plasticine material for playing, multiple kinds of modeling can be made in a pinched mode, and the handwork-dough-modeling and plasticine dual-purpose material has the advantages of being green, nontoxic, harmless, free of cracking, antibacterial, long in retention time, good in modeling and proper in rigidity.

The invention discloses a method for improving gel property of minced fish product through adding glutamine aminotransferase which comprises, adding into minced fish processed from fresh fish as raw material complex addition agent consisting soybean protein, polyphosphates and glutamine aminotransferase, adding addition agent, then kneading the minced fish 10-20 minutes, the gel property of the obtained minced fish product is increased to 400-500g from the previous 200g before addition.

The heat resistant and salt resistant hydroscopic resin consists of ternary copolymer of acrylic acid, acrylamide and cation monomers and laminated inorganic stuffing in the amount of 10-150 wt% of total monomer. It may be used in the conditions of 70-150 deg.c and mineralization degree 5000-100000 ppm to maintain no shrinkage and no structure damage for long period. When being used as water plugging agent, it is safe, pollution-less, non-toxic and long in effect. The heat resistant and salt resistant hydroscopic resin as one novel composite material is mainly used for hydroscopic expansion use with harsh condition, such as water blocking and oil displacement regulation in high temperature and high salinity petroleum deposit and blocking in building. In addition, it may be also used in sanitary towel and agricultural and forestry water maintaining engineering in lower production cost.

This invention discloses a humic acid agroforestrial water-retaining ecological treating agent, belonging to the agroforestrial water-retaining ecological treating agent technological field. In order to solve the problems of current water-retaining agent, such as poor salt and alkaline resistance, harden soil and high cost of production, this invention proposes that it can use humate, acroleic acid and acrylamide as raw material to produce the humic acid agroforestrial water-retaining ecological treating agent by solution polymerization with presence of cross linker and initiator. The agent not only has a high water absorption ratio, but can improve the soil physicochemical properties, plant nutritional quality, drought resistance and soil moisture conservation, which can efficiently stimulate plant growth and improve water utilization efficiency so as to achieve the effects of increasing both production and income.

The invention belongs to the technical field of preparation of functional high polymer materials, and particularly relates to a natural high polymer material modified adsorption resin for the adsorption of heavy metal ions and a preparation method for the adsorption resin. The heavy metal ion adsorption resin comprises the following components in percentage by weight: 10.0 to 15.0 percent of chitosan (Chit), 25.0 to 50.0 percent of acrylic acid (AA), 20 to 45 percent of acrylamide (AM), 0.1 to 0.4 percent of N,N-methylene-bisacrylamide (NMBA), 1.0 to 3.0 percent of potassium persulfate (KPS) and 0.0 to 15.0 percent of wood meal. By the heavy metal ion adsorption resin, Pb2+ can be efficiently adsorbed and separated, the cost of a chitosan modified adsorption resin can be lowered, adsorption capacity can be improved, the number of reuse times can be increased, and the adsorptive selectivity of the resin can be improved.

This invention relates to a preparation method for poly-asparagic acid resin, which takes poly-pyrrolidine dione as the raw material to make crosslink poly-pyrrolidine dione with method of non-even phase suspended emulsion crosslink or non-even phase suspension crosslink and processes poly-asparagic acid resin by hydrolyzation characterizing that the crosslink poly-pyrrolidine dione is prepared by multi-section crosslink reaction, in which, the crosslinker is fed in for 2-4 times in equal volume and equal time interval, the crosslink poly-pyrrolidine dione and the resin are aged and crystallized and quickly dried, A ageing and crystallization process for 1-10 days under room temperature, B, quick drying process is carried out under -54-40deg.C.

The invention discloses a method for cemented filling of phosphogypsum in a mine goaf. The method mainly comprises the following steps: mixing the following materials in weight ratio: 0.8 to 1.2 percent of cement, 1.2 to 0.8 percent of water quenched iron (steel) slag, 10 to 14 percent of the phosphogypsum, and 0.4 to 0.8 percent of lime; adding water to the mixture and stirring the mixture to form filling slurry with the weight concentration of between 55 and 65 percent; conveying the filling slurry to the mine goaf; and curing the filling slurry to form a high-strength filling material. The method can significantly reduce the curing time of the filling slurry taking the phosphogypsum as the main raw material, is suitable for various mining techniques and the cement filling for various types of mine goafs, and has strong economic and social benefits.

The invention belongs to the technical field of adsorption resin and particularly relates to lignin graft copolymerization compound adsorption resin and a preparation method thereof. The compound adsorption resin is formed by acrylic amide, maleic anhydride, sodium lignin sulfonate, chitosan, potassium peroxodisulfate and N,N'-methylene bisacrylamide. According to the method, a graft copolymerization short chain is introduced on a lignin molecular chain so that the structure of lignin is more regular and the molecular weight of the lignin is more greatly improved. The compound adsorption resin has a certain water adsorption performance and mainly aims at a multi-element mixed metal ion solution system to improve the adsorption amount of metal ions and the competitive adsorption selection of the metal ions.

The invention relates to the viscoelastic surfactant based fluids and methods for utilizing same in oilfield applications including, but not limited to gravel packing, cleanup, drilling, acidizing, fracturing and the like in a subterranean formation. The viscoelastic fluid of the invention comprises at least one amphoteric surfactant and at least one synergistic cosurfactant that increases the gel strength and extends the brine tolerance of said viscoelastic-based fluid.

The invention provides a multiple-effect super absorbent resin fertilizer. In the manufacturing process, sodium hydrogen sulfite and ammonium persulfate oxidation-reduction type initiator are used as foundations, and ultraviolet initiation is used as an auxiliary means; N-N'-methylene bisacrylamide is used as a crosslinking foundation, and ethylene glycol diglycidyl ether and glycerol are used as auxiliary means; hydroxyethyl acrylate is added in the polymerized monomer, so that the colloid strength of the high molecular polymer is obviously improved; antioxidant, ultraviolet absorbent and light stabilizer are creatively introduced, thus finally manufacturing super absorbent resin having oxidation resistance, light resistance and degradation resistance; the super absorbent resin is organically combined with humic acid, microbial inoculant and an inorganic fertilizer to perform synergistic action, so that the various effective elements achieve the optimal use effect. Meanwhile, the consumption of the inorganic fertilizer is reduced, the salt content of soil is reduced, the pH value of the soil is improved, the soil environment is improved, and soil hardening is prevented, thus greatly increasing the utilization ratio of nitrogen fertilizers, phosphate fertilizers and potassium fertilizers, and achieving comprehensive effects of water saving, fertilizer saving, yield increase and outcome increase.

The invention relates to a special fertilizer for corn, in particular to a special fertilizer for corn with water holding and soil improvement effects and preparation thereof. The special fertilizer comprises the following components in part by weight: 100 to 200 parts of organic substance, 200 to 300 parts of compound fertilizer, 0.2 to 3 parts of active covering agent, 150 to 200 parts of acrylamide, 50 to 100 parts of starch, 20 to 50 parts of attapulgite, 20 to 40 parts of porous inorganic substance, 30 to 60 parts of clay, 100 to 150 parts of acid liquid, 2 to 4 parts of initiator, 0.5 to 1 part of cross linker, and 0.03 to 0.1 part of compost leaven. The compound fertilizer mainly comprises the following components by weight based on effective content: 1 percent of nitrogen (N), 0.45 to 0.60 percent of phosphorus (P), 0.40 to 0.55 percent of potassium (K) and 0.10 to 0.25 percent of zinc (Zn); and hydroquinone and dicyandiamide are 2.0 to 3.0 percent of the consumption of N fertilizer. The special fertilizer for corn keeps certain advantage of a water holding agent; because proportional organic substance, porous inorganic substance, clay and the like are added, the special fertilizer plays a role in improving the structure, organic substances and pH value of the soil; because humic acid is added, the special fertilizer can play a role of urease inhibitor to certain degree; and by matching the urease inhibitor, the utilization efficiency of N in the compound fertilizer can be improved.

The invention discloses a preparation method for extracting agar under the assistance of a compound enzyme method. The preparation method comprises the steps of enzyme treatment, alkali treatment, alkali washing, acidification, acid washing, bleaching, decolorizer washing, agar extraction and fine filtration. The preparation method is environmentally friendly. Compared with a traditional method, by the adoption of the compound enzyme method, the concentration of alkali is reduced, the use amount of acid is reduced, and thus discharge of sewage is reduced; meanwhile, by the adoption of the compound enzyme method, the agar extracting rate is increased, the transparency, the viscosity and the strength of agar are improved, and thus the preparation method has broad application prospects.

Disclosed herein is a temperature- and pH-sensitive block copolymer having excellent gel strength, including: (a) a poly(ethylene glycol)-based compound (A) or a copolymer (B) of the poly(ethylene glycol)-based compound (A) and a biodegradable polymer; and (b) a polyurethane-based oligomer (C). Further, a method of preparing a temperature and pH-sensitive block copolymer having excellent gel strength, including: (a) synthesizing a poly(ethylene glycol)-based compound (A) or a copolymer (B) of the poly(ethylene glycol)-based compound (A) and a biodegradable polymer; and (b) coupling a polyurethane-based oligomer (C) with the copolymer (B), is disclosed. Also disclosed is a polymer hydrogel type drug delivery system, including: (a) the block copolymer; and (b) a physiologically active substance which can be included in the block copolymer.