702 results about "Silicate minerals" patented technology

The invention provides a ceramic bovine flame retardant polymer composite material based on polyolefin or a thermoplastic polyurethane elastomer. The ceramic bovine flame retardant polymer composite material is prepared from the following components in parts by weight: 30-40 parts of polyolefin resin or the thermoplastic polyurethane elastomer, 25-45 parts of a ceramic forming filler, 20-30 parts of a halogen-free flame retardant, 1-5 parts of a flame-retardant synergist, 1-3 parts of a plasticizer, 0.5-2 parts of an antioxidant and 0.02-0.15 part of a crosslinking agent, wherein the ceramic forming filler is prepared from the following components including low softening point glass powder and a silicate mineral filler. The invention also provides application of the ceramic bovine flame retardant polymer composite material in the field of cables. According to the ceramic bovine flame retardant polymer composite material disclosed by the invention, a dense ceramic bovine product can be formed within a range from 600 DEG C to 1000 DEG C, and the formed ceramic bovine product is good in high-temperature strength and flame retardancy and is also good in mechanical properties under room temperature.

A fire resistant composition for forming a fire resistant ceramic at elevated temperatures, the composition comprising: at least 15% by weight based on the total weight of the composition of a polymer base composition comprising at least 50% by weight of an organic polymer; and at least 20% by weight based on the total weight of the composition of a silicate mineral filler; wherein upon exposure to an elevated temperature (experienced under fire conditions), the fire resistant composition is useful for passive fire protection applications, particularly cables, the fluxing oxide is present in an amount of from 1 to 15% by weight of the residue.

A resin composition comprising: (1) 100 parts by weight of an aromatic polycarbonate resin (component A); (2) 0.005 to 0.6 part by weight of a fluorine-containing organic metal salt having a fluoride ion content measured by ion chromatography of 0.2 to 20 ppm in terms of weight (component B); and (3) at least one component selected from the group consisting of a flame retardant (component C), a fatty acid ester (component D), an ultraviolet light absorber (component E), polytetrafluoroethylene having fibril formability (component F), a filler (component G), a silicate mineral (component H) and a titanium dioxide pigment (component I). A process of manufacturing the resin compositon and a method of preventing the melt dripping during combustion of the resin composition. The flame retardancy of the above aromatic polycarbonate resin composition comprising the fluorine-containing organic metal salt compound is improved.

The invention relates to the field that biquaternary ammonium compounds are applied in silicate mineral flotation, and discloses a collector which applies the biquaternary ammonium compound with the constitutional formula shown as the formula I in bauxite or ironstone reverse flotation desiliconization. In the formula I, R<1> and R<2> are alkyls with 6-18 carbon atoms; R<3>, R<4>, R<5> and R<6> are respectively methyl, ethyl, -(CH2CH2O)nH, or -(CH(CH3)CH2O)nH, wherein, n is equal to 1-6; R<7> is alkylene with 2-6 carbon atoms; and X is Cl, Br or I. The collector of the invention has strong ability to collect quartz, kaolinite, illite and pyrophyllite, and is applicable to the silicate mineral separation from the bauxite or ironstone by reverse flotation, the suitable pH range of the flotation pulp is 5-13, and the dosage is equal to 50-500 g/t according to the content change of the silicate mineral in ores.

The invention provides a method for recycling and synchronous harmless treatment of gold, silver and iron in roasting-cyanidation tailings, and belongs to the technical field of metallurgical waste residue utilization. The method comprises the following steps: mixing dried roasting-cyanidation tailings with a fluxing agent and a reducing agent; carrying out roasting at 750 to 900 DEG C for 3 to 5 hours; conducting water quenching on hot roasted sand for cooling; carrying out ore grinding and flotation to remove residual carbon; leaching gold and silver with an environment-friendly gold leaching agent; and conducting magnetic separation on the leaching residue to obtain fine iron powder. Containing no highly toxic cyanide, the rejects belong to general industry solid waste. As the fluxing agent is added for magnetic roasting, not only can gold and silver coated with an iron mineral be exposed, but also the fluxing agent can perform a solid-phase reaction with a silicate mineral to generate a dissoluble silicate, and gold and silver coated with the dissoluble silicate can also be exposed after ore grinding. According to the method, gold, silver and iron in the roasting-cyanidation tailings are recycled, harmless treatment is realized synchronously, and the purpose of clean production is realized.

The invention provides a sustained-release organic fertilizer for fruits and vegetables and a preparation method thereof. The sustained-release organic fertilizer for fruits and vegetables consists of lignin, kieselguhr, humic acid, calcium-based silicate minerals, a nitrogen fertilizer, a phosphatic fertilizer, a potassic fertilizer, trace elements, sesame-seed cake and water, wherein the trace elements comprise ferrous sulfate, boron sulphate, crystallized magnesium sulfate and molybdenum sulphate. According to the preparation method, the fertilizer is prepared by dissolving the components, stirring, mixing and granulating. The sustained-release organic fertilizer for the fruits and vegetables is reasonable in formula, the utilization rate of the organic fertilizer and the yield of the fruits and vegetables are improved greatly under the synergistic action of the components, the problems of eutrophy or nutrient deficiency symptoms of crops and water body pollution caused by fertilizer loss are solved effectively, resources are saved, and the cost is reduced; and the preparation method is simple, and is applicable for industrial production.

The invention relates to a preparation method of organic modified silicate mineral clay, which belongs to the clay silicate technical field. The preparation method adopts the specific steps that a spiral classifier is utilized for primary purification, a cyclone separator is utilized for secondary purification, gravity sorting equipment is utilized for tertiary purification, flocculation and concentration, organic modification, drying and superfine grinding, and finally micropowder of organic modified silicate mineral clay with 2.5 to 6.0 average particle diameters is produced. The method realizes one step completion of the purification and modification technical processes of the silicate mineral clay, improves the quality of silicate mineral clay products, and has low requirements on the equipment; the process is simple, the condition is temperate, and the investment is low.

A biodegradable polymer includes a) 20 to 60% of a mixture of starch and/or a modified starch, b) 8 to 22% of starch plasticisers and processing agents c) 30 to 70% of one or more biodegradable aliphatic polyesters d) 1 to 10% of a layered silicate clay mineral. The silicate mineral is an organoclay which has been formed by reacting clay with an intercalating chemical to compatibilise it with the polymers so that the clay is exfoliated and makes the blend amorphous. The polymers may also include the usual additives including e) from 0 to 20% by weight of a polyol plasticiser f) from 0.1 to 1.5% by weight of a C12-22 fatty acid or salt or a destructing agent preferably urea and/or urea derivatives, and g) from 0 to 12% by weight of added water. The polyester may be modified by reaction with maleic anhydride.

The invention discloses an adhesion agent composition comprising at least one C₃-C₂₀₀ olefin compound having at least one metathesis active double bond, wherein the olefin is substituted or unsubstituted; and at least one compatibilizing functionality for interacting with a substrate surface. The substrate surface can be any surface, for example, silicate glasses, silicate minerals, metals, metal alloys, ceramics, natural stones, plastics, carbon, silicon, and semiconductors. The invention also discloses articles of manufacture utilizing these adhesion agents as well as methods for adhering a polyolefin to a substrate surface.

An article includes a substrate and an intumescent coating to form an intumescent product in response to heating the article. The intumescent coating is disposed on the substrate and includes a primary intumescent precursor and a layered material that includes a silicate mineral, a layered double hydroxide, or a combination thereof. The primary intumescent precursor includes a carbohydrate polymer. A process for forming an article includes forming a liquid composition by disposing in a solvent a primary intumescent precursor and a layered material, contacting a substrate with the liquid composition, and forming an intumescent coating on the substrate to form the article.

The invention discloses an insulating refractory material of polymerized silicon and aluminum and the preparation method, applied in construction and industrial facilities, which is characterized in that: excitation, gas evolution and polymerization are carried out for industrial wastes abundant in aluminum oxide, silicon dioxide, and the complex of the silicon dioxide and aluminum oxide, so as to obtain a three-dimensional aluminum silicate minerals with an internal structure made of a plurality of phases from amorphous to semi-crystalline inside, and an internal form in silica tetrahedron and alumina tetrahedron; a plurality of molecules are linked mainly through ionic or covalent bonds, the mechanical properties of the inorganic concretion are externally presented. The raw materials are composed of silicon and aluminum materials as kaolin, fly ashes, coal gangue, cinder, and red mud; without adding any gelled materials, a high temperature and corrosion resistant porous long-chain structure is formed with an intensity over 0.8MPa and a thermal conductivity coefficient of 0.087 (kilocalorie/ meter x hour x centigrade). The insulating refractory material is applied not only for the heat insulation wallboards in the building but also for the heat insulation and preservation of the industrial thermal pipelines and facilities.

The invention discloses and provides a sintered strippable light-colored casting coating which is wide in application range, pollution-free, low in cost and good in sintering stripping performance and stability, and a preparation method thereof. The coating provided by the invention completely does not contain graphite powder; composite zirconium-containing silicate mineral powder is adopted as a main fireproof base material and a suspending agent, a bonding agent, a de-foaming agent and the like are added at the same time; the raw materials are low in price and sufficient in source; the coating is excellent in sintering stripping performance, sand bonding resistance and suspension stability, unlikely to generate deposits in long-term storage and transportation processes, low in production cost and free of environmental pollution, and can be used for producing various cast steel parts and various cast iron and non-ferrous cast parts; especially the sintering stripping performance of the coating is wide in adaptability and breaks through the limitation of narrow adaptation range of the sintering stripping performance ubiquitous in a conventional sintered strippable coating. The coating is applied in the technical field of casting coatings.

The invention provides a method for roughing and tailings-discarding of fine rutile ore by multi-stage floatation, relating to the technique for roughing and tailings-discarding of fine rutile ore by multi-stage floatation and belonging to the technical field of mineral processing engineering. The method of the invention comprises the following steps: firstly, conducting the reverse floatation of rutile by using sodium oleate as a collector according to the characteristics that aluminum sulfate can inhibit the rutile and activate silicate minerals in varying degrees, so as to effectively deslime in the process of reverse floatation; and then, conducting the forward floatation of rutile by using lead nitrate (or lead acetate) as an activator of rutile and using sodium alkyl hydroxamate and benzyl arsonic acid (or styryl phosphonic acid) as a combined collector according to the characteristic that gangue minerals can be inhibited on a combined basis under the synergistic action of sodium fluorosilicate, carboxymethylcellulose and the residual aluminum sulfate in the ore pulp, briefly, the method of the invention can realize the roughing and tailings-discarding of fine rutile by the multi-stage floatation comprising the following steps: firstly, conducting the reverse floatation by inhibiting the rutile; and then, conducting the forward floatation by activating the rutile. The method of the invention has the advantages that the enrichment ratio and recovery rate of rutile are high, the tailings of rutile ore can be discarded thoroughly and the mineral processing cost of rutile can be greatly reduced.

The invention discloses a diatom ooze decorative wall material modified by silicate mineral powder, and relates to the technical field of interior decoration materials. The diatom ooze decorative wall material is prepared from the following raw materials in percentage by weight: 30-35% of diatomite (325-800 meshes), 10-15% of clay sepiolite (200-300 meshes), 0.4-0.6% of sodium-based bentonite (200-400 meshes), 0.3-0.4% of fibrous sepiolite, 35-45% of sierozem (calcium content: 95%),10-20% of natural colored sand (5-10 meshes), 0.15-0.17% of high-strength adhesive, 0.01-0.05% of water-retention and thickening plasticizer, 0.01-0.1% of ecological pigments, 0.005-0.01% of wetting dispersant, and 0.03-0.04% of nano titanium dioxide diatomite composite photocatalytic material. The wall material disclosed by the invention has the advantages of simple production process, easily-purchased raw materials, low cost, simple construction, low cost, strong adsorption, easiness for maintenance, and capability of preventing dust retention and degrading formaldehyde, and the like.

The invention provides a concrete material, comprising the following components with corresponding proportions: cement, fine aggregate, coarse aggregate, fly ash, silica fume, carbon nanotube, nano silica, ceramsite, polyphenyl particles, steel fibers, nano kaolin particles, ultrafine natural zeolite powder, gypsum, polymer emulsion, a diol compound, modified lignosulfonate, a layered silicate mineral material, polysiloxane, oxalic acid, styrene acrylic emulsion, crystalline hydrated magnesium aluminum silicate minerals, water, a super plasticizer, a barium-containing naphthalene superplasticizer, an organic polymer plastic retaining agent, a composite retarder and an air entraining agent. The invention further relates to a preparation method of the concrete material. Compared with the existing concrete, various properties of the concrete material provided by the invention are greatly improved. The concrete material has a wide application range, a significant practical engineering value and remarkable technical and economic significance.

The invention relates to a heavy metal stabilizer for treating waste incineration fly ash and a method for using the same. Composition of alkaline substances and silicate minerals and/or adsorbents. The use method includes: fully stirring and mixing phosphate, inorganic alkaline substances, silicate minerals and/or adsorbents in proportion, and then adding waste incineration fly ash for maintenance. The invention does not contain any organic chelating agent such as dithiocarbamate or sulfide, has no secondary pollution and pollution-free; the method of use is simple, the cost is low, and it meets the benefits of energy saving and carbon reduction, economic benefits, and has good application prospects.

The invention provides a phyllosilicate mineral depressor for sulfide ore floatation and a preparation method thereof. The phyllosilicate mineral depressor for the sulfide ore floatation is prepared from the following components in part by weight: 0 to 20 parts of modified corn starch, 8 to 30 parts of sodium alginate, 1 to 35 parts of carboxymethyl cellulose or polyanionic cellulose or methylenenapadisilate dinaphthalene sulfonate, and 5 to 55 parts of sodium hexametaphosphate. The preparation method comprises the following steps of: selecting the reagents according to types of depressed minerals; adding the reagents in a high-speed mixing granulator in the set ratio for granulation; and drying the obtained grains to obtain the phyllosilicate mineral depressor for the sulfide ore floatation. The product has the characteristics of small dosage, good depression selectivity, low toxicity, and the like. The specific depressor is mainly applied to depressing phyllosilicate minerals such as talcs, serpentines, chlorites, kaolinites and the like during the sulfide ore floatation, thus the specific depressor is favorable for improving floatation concentrate grade and metal recovery rate, and is particularly suitable for floating talc-containing molybdenites and nickel sulfide ores.

The invention relates to a retarding superplasticizer composition for roller compacted concrete, which is prepared from 40-80 percent of barium-containing naphthalene based superplasticizer, 10-30 percent of modified lignosulfonate, 3-7 percent of plastic retaining agent, 5-15 percent of composite retarder, 1-7 percent of layer silicate mineral material, 0.1-0.5 percent of polysiloxane and 0.1-0.2 percent of air entraining agent. The retarding superplasticizer composition does not contain alkali harmful to alkali-aggregate reaction, has a better inhibition effect to the alkali-aggregate reaction, and has the advantages of high water reducing rate, strong VC value retaining capacity, good water retaining property, small bleeding rate, remarkable retarding effect and the like, so that the prepared roller compacted concrete mixture has the characteristics of good workability, small VC value loss, small bleeding rate, long setting time, greatly reduced early hydration heat and delayed occurrence time of a hydration heat peak, so as to have better construction property, mechanical property and durability.

A method for the recovery of molybdenum from an ore that includes a molybdenum-bearing mineral, such as molybdenite. The ore is treated to recover metal values from the ore, such as base metals, by utilizing a depressant to depress the flotation of the molybdenite. The tailings, which can include insoluble silicate minerals in addition to the molybdenite, are then activated to render the molybdenite floatable in one or more subsequent flotation steps, thereby producing a high-grade molybdenum concentrate.

The invention discloses a cyanobacteria mud enhancing auxiliary agent and application in cyanobacteria mud processing thereof. The cyanobacteria mud enhancing auxiliary agent, which is measured by 100 weight portions, consists of the materials: aluminum iron line soluble salt: 10-50 portions; silicate mineral rock soil powder: 50-90 portions. The aluminum iron line soluble salt is mixture of aluminum chloride, aluminum sulfate, ferric sulfate, ferrous sulfate, polymeric aluminum chloride, polymeric ferric sulfate and polymeric aluminum ferric sulfate or mixture of any of aluminum chloride, aluminum sulfate, ferric sulfate, ferrous sulfate, polymeric aluminum chloride, polymeric ferric sulfate and polymeric aluminum ferric sulphate. The silicates mineral rock soil powder is the mixture of diatomite, fly ash, acid clay and bentonite or the mixture of any of diatomite, fly ash, acid clay and bentonite. Before the cyanobacteria mud enhancing auxiliary agent is used for the cyanobacteria mud processing, a reserved weight ratio of 10-30 percent of suspension liquid is prepared by the cyanobacteria mud enhancing auxiliary agent, then a weight ratio of 1-5 percent of the suspension liquid is added into the cyanobacteria mud. The invention has good dehydration effect, promptly control the serious threat caused by algae toxins and lays the solid foundation of the utilization of cyanophytes.

The present invention relates to a method of producing a ceramic material comprising the steps of: a) mixing a first clay composition comprising silica and a silicate mineral with a second clay composition; and b) firing the mixed clay composition from step a) to form a ceramic product. The present invention also relates to an engobe clay composition, sanitary ware and methods of productions thereof.

The invention relates to a method for simultaneous anti-flotation of carbonate and silicate in phosphorus ore. The method comprises the specific steps that phosphate ore is added into a mill to be ground; the ground phosphate ore pulp is subjected to desliming to remove fine fraction; rest coarse ore pulp enters a phosphorus inhibitor agitator, and a phosphorus inhibitor is added into the agitator for pulp mixing; after pulp mixing is conducted through the phosphorus inhibitor, the ore pulp enters a collecting agent agitator, and a collecting agent is added into the agitator for pulp mixing; and after pulp mixing is conducted through the collecting agent, the ore pulp enters a flotation machine for phosphorus ore anti-flotation, floating foam is carbonate minerals and silicate minerals, and underflow in a tank is phosphorus concentrate. By the adoption of the method, the carbonate and the silicate in the phosphorus ore can be floated out simultaneously, the flotation process and the flotation reagent system are simplified, and the reagent use amount and the cost of phosphorus ore anti-flotation are reduced.