38results about How to "Strong rheological properties" patented technology

This invention discloses a complex material contg. granular packing and thermal liquid polymer (TCLP), mfg. method and use thereof. Said complex material is composed of (by wt. portion): 30-85 nylon 6, 5-70 granular packing and 1-20 TLCP, where-in, granular packing being hollow glass micro-balls (GB), solid glass micro-balls, SiO2 or CaCO3 with granularity of 1-100 mum; TLCP being main-chain type aromatic copolymer with its molten-range of 190-360 deg.C. Said complex material is made by molen-blending method. This product has excellent flow-ability and dimension-stability. It has potential superiority in mfg. thin-wall plastic products of fine-structure plastic products.

The invention relates to a high-solid content quick-drying modified starch lap adhesive and a preparation method thereof. The lap adhesive has solid content of 52 to 55%, a pH value of 8.2 to 8.5 and viscosity of 816 to 843 mPa.s. The high-solid content quick-drying modified starch lap adhesive is prepared from the following raw materials by weight: 37.4 to 42.5% of starch, 0.02 to 0.03% of amylase, 2 to 3.2% of NaClO, 6 to 9% of meerschaum powder, 3.5 to 4.6% of a gelatinization agent, 0.05 to 0.07% of a cross-linking agent, 0.06 to 0.1% of an antiseptic, 0.2 to 0.5% of a defoaming agent and 45 to 47% of deionized water. According to the invention, since the nanometer meerschaum powder is added and a proper amount of amylase is added in preparation of a starch glue, the lap adhesive is green and environment-friendly, has good initial adhesion and a fast drying speed, completely accords with four standards for adhesives for cigarettes and is applicable to a high speed cigarette maker.

The invention provides a convenient sealing agent for fibrin. It is made up of fibrin source 60-100 mg/ml, factor XIII (FXIII) 30-60 U/ml, thrombin 200-600 IU/ml and the buffer, the PH value is 6-8. the invention has rheology character, and strong adhesive ability, imitates the final period of physical cruor mechanism. It exerts functions of biological hemostasis, promotes the concrescence of wound, prevents organism conglutination, conglutinates viscera gap, seals lacuna organism in order to decrease the exudation, medicine releasing carrier slowly. It applies to all the modern surgical.

The invention discloses a method for modifying nano calcium carbonate by using boric acid ester and a preparation method of a PVC plastic. The method comprises a preparation method of the nano calcium carbonate modified by the boric acid ester. The method comprises the steps as follows: 1), nano calcium carbonate is dispersed into deionized water; 2), the boric acid ester is added, and dispersion is performed continuously; and 3), filtering and drying are performed. According to the method, the boric acid ester is used for coating the nano calcium carbonate dispersed in a liquid phase, so that the lipophilicity of the nano calcium carbonate is enhanced, the dispersibility and the mobility of the nano calcium carbonate in a PVC resin are improved, and the nano calcium carbonate has good compatibility with the PVC resin. The improvement on the compatibility guarantees stronger binding force of the PVC resin and the nano calcium carbonate, and the mechanical property and the rheological property are improved.

The invention belongs to the technical field of a fertilizer, and more specifically relates to a biological organic fertilizer having slow release effect and a mineral element supplement function, and the biological organic fertilizer is prepared by poultry manure and attapulgite ore. The attapulgite can use own surface activity, adsorptivity, catalysis performance, filtering effect, ion exchange effect, complexation effect and electrostatic interaction, a soil pH value can be adjusted by two items, and the attapulgite can provides appropriate growth environment for crops. The attapulgite can change physical and chemical properties of the soil, reduces soil unit weight, promotes formation of a soil gel state, enhances soil permeability, absorbs harmful heavy metals in the soil, and inhibits insect disease; beneficial elements in the soil can be converted through chelating effect, nutrition balance is reached, crop growth is cooperated, output is increased, and agricultural product quality is improved. Under a same application amount of the fertilizer, the growth index of crops planted by the attapulgite-based mineral slow-release fertilizer is obviously higher than that of the crops planted by common fertilizers, and yield is increased by more than 17%.

The invention belongs to the technical field of environmental pollution improvement, and particularly relates to a repair agent for soil polluted due to preparing heavy metal via utilizing attapulgite. An attapulgite-based soil heavy metal repair agent is prepared through multiple steps of raw ore breaking, acidizing, drying and sieving, roasting and soil heavy metal repair and the like. Accordingto the attapulgite-based soil heavy metal repair agent subjected to acidification and thermal modification, attapulgite clay is subjected to sulphuric acid acidizing and has the characteristics of large specific surface area and high porosity, both the activity and adsorptive property of the repair agent are relatively greatly improved, the proportion of soluble heavy metal in soil can be effectively lowered, the effect of passivating soil heavy metal is achieved, and the soil heavy metal pollution is repaired.

The invention provides a water-soluble organic salt weighting agent for drilling fluid for oilfields as well as a preparation method and application thereof. The method comprises the steps of preparing an organic acid mixture containing chlorine atoms, wherein the organic acid mixture comprises C1-C6 organic acids; adding composite alkali containing NaOH, KOH, ammonia water, N(CH3)3 and epoxy chloropropane to the organic acid mixture, stirring the materials to react, and evaporating water until the product is pasty or half-dry, wherein the mass ratio of composite alkali to organic acids is (0.2-2):1; drying the product at 80-120 DEG C for 6-24 hours, and grinding the dried product, thus obtaining the granular product. The weighting agent Weigh2 can not only improve the density of solid-free water-based drilling fluid base fluid but also improve the inhibitive capacity of the drilling fluid.

The invention relates to a slurry for printing wallpapers, and especially relates to a rose flower fragrance special slurry for printing wallpapers, and a production method of the slurry. The slurry is mainly produced from, by weight, 5-20 parts of dioctyl phthalate, 30-50 parts of polyvinylchloride paste resin, 1-2 parts of a foaming agent, 1-5 parts of environmentally-friendly D80 solvent oil, 12-18 parts of calcium carbonate, 4-6 parts of hollow glass beads, 5-8 parts of lignin, 10-30 parts of a plasticizer, 1-5 parts of a stabilizer, 5-8 parts of a VAE emulsion, 5-10 parts of titanium dioxide, 1-3 parts of a thickener, 1-3 parts of a drying speed regulator, 0.5-1 part of rose essential oil, 2-3 parts of rose bud extract and 2-3 parts of diatomite. The slurry has high adhesion, realizes a crack effect, is suitable for embedding gold powder, silver powder and pearl essence in a gold sprinkling technology, can wrap the gold powder, the silver powder and the pearl essence to improve the class of the wallpapers, and prolongs the service life of the wallpapers.

The invention belongs to the technical field of fertilizer, and particularly relates to an improvement and synergy method for mixed attapulgite. The attapulgite can utilize own surface activity, adsorptivity, catalytic performance, filtering function, ion exchange function, complexing action and electrostatic function to carry out two-way regulation on the pH (Potential of Hydrogen) value of soilso as to provide proper growth environment for crops. The attapulgite also can be used for changing the physicochemical and biological characters of soil, lowering soil unit weight, accelerating the formation of a soil gel state, enhancing soil gas permeability, adsorbing harmful heavy metal in soil and inhibiting diseases and insect pests, beneficial elements in soil are converted through a chelating function to achieve nutrition balance, crop growth and development is coordinated, yield is improved, and the quality of an agricultural product is improved.

The invention discloses a method for modifying nano calcium carbonate by using aluminum zirconium and a preparation method of a PVC plastic. The method comprises a preparation method of the nano calcium carbonate modified by the aluminum zirconium. The method comprises the steps as follows: 1), nano calcium carbonate is dispersed into deionized water; 2), the aluminum zirconium is added, and dispersion is performed continuously; and 3), filtering and drying are performed. According to the method, the aluminum zirconium is used for coating the nano calcium carbonate dispersed in a liquid phase, so that the lipophilicity of the nano calcium carbonate is enhanced, the dispersibility and the mobility of the nano calcium carbonate in a PVC resin are improved, and the nano calcium carbonate has good compatibility with the PVC resin. The improvement on the compatibility guarantees stronger binding force of the PVC resin and the nano calcium carbonate, and the mechanical property and the rheological property are improved.

The invention relates to the technical field of concrete additives, and provides a high-strength composite fiber expansion anti-cracking agent and a preparation process thereof. The high-strength composite fiber expansion anti-cracking agent comprises, by mass, no less than 40% of a CaO-MgO-Al2O3-SO3 expansion source, no less than 25% of fibrous aggregate mineral powder and no less than 18% of modified fiber-doped polymer sol liquid. According to the invention, the physical and chemical properties of the composite fiber expansion anti-cracking agent are effectively improved through reasonable selection and matching of the raw materials, modification treatment and optimization of preparation steps, a doping amount is reduced, excellent compressive strength and an excellent expansion rate in a restrict condition are obtained, and high comprehensive practicability is achieved.

The invention discloses a novel slag melting agent, a preparation method of the novel slag melting agent and application of the novel slag melting agent to preparation of high-purity hypereutectic niobium-chromium-containing 28 cast iron. Comprising the following raw materials: 9-13 parts of perlite powder, 3-5 parts of aluminum powder, 14-18 parts of montmorillonite powder, 3-6 parts of fluorite powder, 10-16 parts of talcum powder, 4-8 parts of passivated lime powder, 6-10 parts of magnesium carbonate powder, 4-7 parts of medical stone powder, 2-5 parts of quartz powder, 2.6-4.8 parts of sesbania gum and 18-25 parts of water. According to the high-purity hypereutectic niobium-chromium-containing 28 cast iron prepared through the technology, the oxygen content is 10.8 ppm, the hydrogen content is 3.1 ppm, the Rockwell hardness value (HRC) is 64.1, the high-purity hypereutectic niobium-chromium-containing 28 cast iron can be used for overflowing part pump bodies, impellers, various powder conveying pipelines, liners and the like of small pumps (8 inches), and the use effect is good.

The invention discloses a method for modifying nano calcium carbonate through aluminum titanate and a preparation method of PVC plastics. The method for modifying the nano calcium carbonate through the aluminum titanate includes a method for preparing the modified nano calcium carbonate through the aluminum titanate, and includes the following steps that (1) the nano calcium carbonate is dispersed in deionized water; (2) the aluminum titanate is added, and dispensing is conducted continuously; (3) filtering and drying are carried out. By means of the aluminum titanate, the nano calcium carbonate dispersed in a liquid phase is wrapped, lipophilicity of the nano calcium carbonate is enhanced, and therefore dispersity and flowability of the nano calcium carbonate in PVC resin are improved, so that the nano calcium carbonate and the PVC resin have good compatibility. The improvement of the compatibility guarantees that binding force of the PVC resin and the nano calcium carbonate is strong, and mechanical properties and rheological properties are improved.