6345 results about "Talc" patented technology

Enhanced removal and/or control of adhesives or sticky materials, “stickies”, from recovered paper stock or virgin pulp fibers is achieved using a combination of enzyme treatment with adsorbents and/or absorbents. Pulp stock to be treated is typically obtained from old magazines, newspapers, household waste, but may include corrugated boxes and office waste. Virgin pulps may include mechanical, chemical, or semi-chemical pulps. Enzymes typically include hydrolases such as cellulases, hemicellulases, pectinases, amylases, and lipases such as esterases, lyases such as pectate lyases, and oxidoreductases. Adsorbents include activated bentonite, microparticles, talc, clay and modified silica. Absorbents typically include water soluble polymers, dispersants, coagulatants and agglomerants.

A composition for forming a reinforced composite siding product and a composite siding product formed by an extrusion process utilizing the composition is provided. The mixed resin formulation utilized to form the composite siding product includes a polymeric resin, a filler, a processing aid, at least one lubricant, and a thermal stabilizer. In a preferred embodiment, the polymer resin is polyvinyl chloride and the filler is talc. The mixed resin formulation may be extruded with a reinforcement material in a screw extrusion process to form a composite siding product. One or more reinforcing fibers may be utilized in the extrusion process. The reinforcement fibers may be present in the final product in an amount up to 25% by weight of the final product. In at least one preferred embodiment, the reinforcement fibers are glass fibers. A weatherable cap may be co-extruded to form the final reinforced, foamed composite siding product.

A probiotic composition essentially comprises 15 to 20 wt % of milk powder, 25 to 30 wt % of corn starch, 8 to 15 wt % of modified starch (capsul), 10 to 15 wt % of ethylcellulose, 5 to 15 wt % of bacterial broth, and 10 to 15 wt % of talc. The probiotic composition is microencapsulated to form a plurality of microencapsule coated with an acid-resistant enteric coating for improving the enteric acid-resistance, the probiotic survival rate, the antimicrobial property, the stability, the moisture-proof property, and the mobility of the probiotic composition preventing from coagulation in a moist environment and for being used as an additive applied to livestock feed.

The invention relates to a production method of once-fired super-spar ceramic tile and the ceramic tile. The production method of the once-fired super-spar ceramic tile comprises the following steps: preparing green body powder; pressing a tile body; cleaning the green body; pouring ground glaze; printing; pouring overglaze; firing a glaze body at a high temperature; polishing; performing surface treatment; performing edge polishing; and packaging to obtain a finished product, wherein the overglaze comprises the following components in parts by weight: 5 to 13 parts of quartz powder, 3 to 20 parts of potassium feldspar, 20 to 28 parts of soda feldspar, 12 to 18 parts of dolomite, 3 to 6 parts of fired talc, 3 to 8 parts of kaolin, 14 to 22 parts of calcined kaolin, 3 to 8 parts of zinc oxide, 7 to 14 parts of barium carbonate and 3 to 6 parts of grammite. According to the invention, the problems that microlite has low wear resistance and is difficult to process in the prior art are solved, and the defect of water ripples caused by the situations that fully-polished glaze absorbs dirt, bottom is easy to expose and the tile surface is uneven is also solved. The super-spar product produced with the method has the advantages that the microlite is transparent, bright and smooth like a mirror and does not absorb dirt completely; and the fully-polished glaze is light, thin and wear-resistant.

The invention relates to high molecular processing field compound material, especially a high molecular organic sillicon elastomer filled with talcum powder agglomerate, with outstanding rigidity and resistance to heat and its preparing method, which can be applied in auto and toner field, such as pate of tenacity, door, plate of augxiliary tenacity, deconating stick and other polypropylene inside and outside automobile. The invention is comprised of high molecular organic sillicon elastomer and talcum powder agglomerate with high crystal and the percentages of each component are: high molecular organic sillicon elastomer 60-90, talcum powder agglomerate 10-40, scratch 3-10, dust 0.1-1.0, of talcum powder agglomerate 0.2-1.5, 0.05-1.0. The preparing method is: mix the high molecular organic sillicon elastomer, talcum powder agglomerate, dust, of talcum powder agglomerate and in, then place then into to form the particles. Its advantage is that, keeping the tenacity of polypropylene, the rigidity has also been increased, balancing its tenacity and rigidity, as well as its resistance to scratch, it can satisfy the requirements of elements in auto; besides, it also reduces dust, benefiting for protecting the work environment.

The invention relates to an anti-oil and fire-retardant chlorinated polyethylene sheath material with good weather resistance and a preparation method thereof. The sheath material uses chlorinated polyethylene rubber as main raw material and adds chlorosulfonated polyethylene rubber, triallyl isocyanurate, 1,3-bis (tert-butyl peroxide isopropyl) benzene, trioctyl trimellitate, carbon black, antioxidant 1010, ultra-fine talc powder, antimony trioxide, and high-activity magnesium oxide R-150 according to ratios; the preparation method is as follows: at first, mixing part of the auxiliary agents, then mediating, internal mixing, open mixing, granulating and extruding are carried out on the mixture to form cables, thus the cables are obtained. In the formula, high temperature resistant plasticizer is utilized, various auxiliary agents with appropriate proportions are added into the formula, so that chlorinated polyethylene rubber cable material can reach a high temperature of 105 DEG C, and can be used at the lowest temperature of minus 50 DEG C. The sheath material has the advantages of good anti-aging property, excellent electrical insulation and mechanical property, environmental protection and high flame resistance, thereby being suitable for cold and oil-contaminated severe environment and transmission and distribution circuits of which the current-carrying capacities are large and the rated voltages are at or below 450/750V. Meanwhile, compared with traditional chloroprene rubber cable material, the sheath material has the characteristics of low cost, fast extruding speed and high output benefit.

A thermoplastic composition comprising a polyimide resin, a polycarbonate resin, a polyimide-polysiloxane copolymer and talc.

An improved process of coating tacky or soft polymer pellets to maintain a free-flowing property, uses a liquid binder, in conjunction with an anti-tack or partitioning powder such as talc to prevent aggregation during storage. The binder is a non-volatile material such as an oil or plasticizer including triglycerides, mono-/di-glycerides, acetylated mono-/di-glycerides, fatty acids, epoxidized triglycerides, phthalates, benzoates, sebacates, lactates, citrates, mineral oils etc. Applications of this process include chewing gum bases, hot-melt adhesives, sealants, rubber masterbatches, powdered rubber, and other soft and tacky polymer materials.

The invention discloses a preparation method of a talc filled PTFE (polytetrafluoroethylene) composite material. The method comprises the following steps in order: 1) conducting burdening with 50-99 wt% of PTFE, 1-50 wt% of talc powder, 0 wt%-10 wt% of filler I, and 0 wt%-20 wt% of filler II; 2) mixing the mixture obtained in step 1) uniformly, then carrying out cold pressing molding under a pressure of 25-40 MPa, and maintaining the pressure for 3-10 minutes; 3) putting the molded product obtained in step 2) into a high temperature sintering furnace, heating the product to a temperature of 360-380DEG C at a heating rate of 30-100DEG C/h, then preserving the heat for 0.5-2h; and 4) leaving the sintered product obtained in step 3) to natural cooling to room temperature, thus obtaining the talc filled PTFE composite material. The talc filled PTFE composite material prepared by the method of the invention has excellent performances and a wide application range.

Described herein are foamable compositions and methods of making foamed compositions. The foamable composition comprises at least one polymer and a foaming agent. The foaming agent comprises a talc or a talc derivative. The polymers described herein comprise a substantially non-halogenated polymer. One or more additives are added to render the compositions flame retardant and/or smoke suppressant. Also described are Power over Ethernet (PoE) cables, having at least one electrical conduit comprising an electrically conductive core, an insulation that at least partially surrounds said electrically conductive core and a polymeric separator extending from a proximal end to a distal end and having at least one channel adapted for receiving the at least one electrical conduit. The PoE cables are capable of carrying about 1 watt to about 200 watts of power.

A composition comprises a compatibilized poly(arylene ether)/polyamide blend, an optional electrically conductive filler, a phosphinate, and flame retardant augment selected from the group consisting of melamine polyphosphate, zinc borate, low melting glass, talc, and combinations of two or more of the foregoing flame retardant augments.

The invention relates to a dry powder type shell powder interior wall coating material which has the functions of adsorbing and decomposing harmful gas and peculiar smell, restraining bacteria, sterilizing and resisting static electricity and using shell powder, nanometer inorganic filler and high molecular powder materials as main components. The invention solves the defects of high cost, high energy consumption, pollution and incapability of purifying indoor harmful gas in the existing interior wall coating materials. The coating material uses natural or manually cultivated shell powder as basic materials; meanwhile, a certain quantity of nanometer titanium dioxide and nanometer electric stone powder radiated by cobalt-60 gamma ray and the high molecular powder materials are added; the weight percentages of all components are as follows: 30-60% of shell powder, 10-20% of calcined kaolin, 10-20% of heavy calcium, 10-20% of talcum powder, 1-5% of nanometer titanium dioxide, 1-5% of nanometer electric stone powder, and 5-20% of high molecular powder materials; the particle size of the shell powder is 200-1250 meshes.

The invention relates to a transparent lead-free fritted glaze with low expansion coefficient and a preparation method thereof. The fritted glaze comprises the following chemical ingredients of: 59 to 66 percent of SiO2, 10 to 15 percent of Al2O3, 5 to 10 percent of B2O3, 3 to 6 percent of CaO, 4 to 8 percent of MgO, 0 to 3 percent of K2O, 0 to 2 percent of Na2O, 0 to 1 percent of Li2O, 1 to 5 percent of ZnO and 0 to 2 percent of SrO; and the fritted glaze comprises the raw materials of: 10 to 25 percent of kaolin, 15 to 30 percent of quartz, 10 to 25 percent of potassium feldspar, 0 to 8 percent of dolomite, 2 to 6 percent of grammite, 10 to 20 percent of roasted talc, 1 to 6 percent of zinc oxide, 2 to 8 percent of boric acid, 5 to 15 percent of calcium borate, 1 to 5 percent of alumina, 0 to 2 percent of lithium carbonate and 0 to 3 percent of strontium carbonate. The expansion coefficient of the fritted glaze is 3.7-4.5*10-6/DEG C (RT to 500 DEG C), the melted temperature is 1400 DEG C to 1500 DEG C, the glaze firing temperature is 1130 DEG C to 1230 DEG C; and the transparent lead-free fritted glaze has fine and bright glaze surface, high transparency, low expansion coefficient as well as no lead precipitation and is particularly suitable for double-fired hard porcelain body with lower expansion coefficient.

The invention relates to porcelain glaze and in particular relates to high and low-temperature resistant porcelain glaze for enamel. According to the technical scheme, the highnd low-temperature resistant porcelain glaze for enamel is prepared from the following raw materials in parts by weight: 22-38 parts of sodium silicate with the modulus of 2-3.8, 11-19 parts of aluminum oxide, 10-20 parts of manganese dioxide, 6-9 parts of palladium oxide, 6-9 parts of high-boron calcium borate, 23-29 parts of lead sulfate, 2-4 parts of talc, 7-13 parts of calcium carbonate, 8-12 parts of barium sulfate, 12-19 parts of zinc sulfate and 2-9 parts of titanium oxide. The high and low-temperature resistant porcelain glaze has excellent ultralow-temperature resistance and high-temperature resistance.

A novel filtration media employing polymeric absorbents comprising a material selected from the group consisting of styrene, pentadiene, cyclopentadiene, butylene, ethylene, isoprene, butadiene, propylene and mixtures thereof; and a filtration enabler intimately mixed with the polymeric absorbent. Preferably, the filtration enabler comprises clay, ground glass, talc, mica, recycled rubber, sand, gravel, vermiculite, recycled plastic chips, an inert, non-absorbent material, or mixtures thereof. Preferably, the polymeric absorbent may be further compounded to incorporate about 10 to 50% recycled or waste plastic scrap, scrap polyolefins, inorganic fillers, or other inexpensive, relatively inert solids. Other compounding materials may include clay, talc, mica, ground glass, silica, and mixtures thereof. Upon contact with a hydrocarbon containing liquid, the liquid partially dissolves the polymeric absorbent forming a partial filtration barrier prior to the filtration media substantially absorbing the hydrocarbons, and allowing hydrocarbon-free liquid to flow through the filtration media. In situations of a leak or spill wherein an excess of hydrocarbons are present, the filtration media forms a plug to seal and prevent further discharge of the hydrocarbons. The filtration media may be placed inside a portable container for insertion into an existing drain such that hydrocarbon containing liquid is filtered through the device allowing hydrocarbon-free liquid to flow from the device. The filtration media has a thickness within the container adapted to substantially filter out hydrocarbons while capable of forming a plug in an excess of hydrocarbons. The filtration media of the present invention may be employed in pits, pipes, and self-contained cartridges of various sizes to remove and contain hydrocarbons from a hydrocarbon containing liquid or a hydrocarbon spill or leak, and that the absorbent will form a plug in an excess of hydrocarbons entering the pit, pipe or cartridge. Also described are methods of filtering and preventing discharge of a hydrocarbon containing liquid.

The invention relates to coated board, a process for its manufacture, and containers and packaging formed therefrom. The board comprises at least one polymer-based coat preventing the transmission of liquids and gases, which coat is according to the invention made from a polymer dispersion to which talc particles are added so that talc will constitute 30-80% of the dry weight of the dried coat. The coating is applied onto the board during its manufacture as on-line coating. The board may be, for example, a multi-layer board (2) which has a middle layer (6) containing CTMP or other similar mechanical pulp, on its both sides outer layers (7) formed from sulfate pulp, against these on both sides of the board (2) talc-containing polymeric barrier layers (3), and on one side of the board a heat sealing layer (9) introduced onto the barrier layer (3).

The invention provides a wear-resistant transparent glaze and a method for preparing a glazed tile by utilizing the same. According to the components of the wear-resistant transparent glaze, spodumene, frit, potash feldspar, calcinedtalc, barium carbonate and zinc oxide are adopted as a fluxing agent, and the Si/Al ratio is adopted by utilizing wollastonite and kaolin. Meanwhile, the wear-resistant performance of the glaze is improved by adopting white corundum and zirconium oxide as a wear-resistant agent. The weight percentage of zirconia relative to the total weight of the raw materials of the wear-resistant transparent glaze is smaller than or equal to 0.2%. The above wear-resistant transparent glaze is applied onto the surface of a green body, and then the green body is polished after being sintered in a furnace to obtain a glazed tile product. Compared with the prior art, the wear-resistant transparent glaze is excellent in wear resistance, and can be used for preparing ceramic tiles with thin glaze layers. The decorative properties and the anti-pollution characteristics of obtained products are greatly improved. Meanwhile, the manufacturing cost of products is lower.

The invention discloses a Chinese medicinal composition for treating infantile diarrhea. In the Chinese medicinal composition, medicaments for oral administration comprise the following raw materials: Chinese pasque herb, cinnamomvine, stir-fried gordon euryale seed, pomegranate rind, costus root, nutmeg, largehead atractylodes rhizome, Indian buead, kudzuvine root, longstamen onion bulb, areca peel, golden thread and tangerine peel. For damp-heat diarrhea, talc, swordlike atractylodes rhizome, officinal magnolia bark and coix seed are added into the raw materials; for wind-cold diarrhea, wrinkled gianthyssop herb, parslane herb, weeping forsythia and divaricate saposhnikovia root are added into the raw materials; and for poor appetite, aphagia and spleen and kidney-yang deficiency, charred triplet, chicken's gizzard-membrane, Chinese magnoliavine fruit and flos caryophyllata are added into the raw materials. In the Chinese medicinal composition, externally-applied medicaments comprise foeniculi, cassia bark, fistular onion stalk, raw malt, indigowoad leaf, manchurian wildginger, amur corktree bark and mongolian dandelion herb. The Chinese medicinal composition has the effects of relieving pain, regulating the flow of vital energy and tonifying spleen, tonifying spleen, lung and kidney, tonifying middle-Jiao and qi and invigorating splenic yang and stopping diarrhea, is mainly used for treating diarrhea caused by discord in spleen and stomach and weakness of spleen and stomach, has a simple preparation process and a small toxic or side effect, is convenient to administrate, has low cost, short cure time and relapse prevention after cure, is convenient to prepare and can reach focus directly.

A dual-component high-strength polyurethane water proof coating contains A and B components; A component consists of polyether dibasic alcohol 120-200 proportion, polyether trivalent alcohol 40-180 proportion, toluene diisocyanate 47-80 proportion, dibutyl ester 1.5-3 proportion, and tartaric acid 0.1-1 proportion. B component consists of filling oil 50-90 proportion, paraffin chloride 20-50 proportion, dibutyl ester 10-30 proportion, 3,3-dichloro-4,4-diphenyl-methane-diamine 45-70 proportion, poly-ether trivalent alcohol 60-360 proportion, hydrated magnesium silicate 50-60 proportion, kaolin 10-50 proportion, heavy calcium carbonate 50-60 proportion, iron oxide brown or carbon black 3.5-4.5 proportion, de-foaming agent 0.2-0.5 proportion, and dibutyltin dilaurate 0.2-0.5 proportion. It's convenient and cheap, has excellent adhesion, strength and extensibility and more solid content and no environmental pollution. It can be used for foundation construction and municipal traffic engineering.

The invention relates to high molecular compound material, especially a polypropylene filled with talcum powder, with outstanding and resistance to heat and its preparing method, which can be applied in auto and electric field, such as pate of instrument,door, plate of augxiliary instrument, deconating stick and other ornament inside and outside automobile. The invention is comprised of polypropylene and talcum powder... with high crystal and the percentages of each component are: polypropylene 60-90, talcum powder 10-40, coupling agent 3-10, stabalizer 0.1-1.0, of talcum powder0.2-1.5, processing aid 0.05-1.0. The preparing method is:mix the polypropylene, talcum powder, stabalizer, of talcum powder and processing aid in agitator, then place then into double screw extruderto form the particles. Keep the same, it has low density, larger hardnessof the surface, advanced strength to resist scratch, can satisfy the requirements of elements in kinds of auto.

The present invention provides powder compositions comprising from 20 to 90 phr of one or more than one silicone resin having a glass transition temperature (Tg) of at least 40° C., from 10 to 80 phr of one or more than one resin chosen from glycidyl functional acrylic resin, mixtures of aromatic epoxy resin or novolac resin with carboxyl functional acrylic resin carboxyl functional polyester resin or glycidyl functional acrylic resin, and one or more than one filler, such as wollastonite, barium sulfate, mica, talc, alumina, layered silicates like montmorillonite, and mixtures thereof. The one or more than one silicone resin may or may not be flaked and may or may not contain silanol groups. The compositions of the present invention provide single layer or multilayer powder coatings that are free of voids larger than 30 μm in diameter, and which may meet the UL Class H (180° C.) certification for electrical insulation applications. Further, the compositions may be used to provide powder coatings, films, moldings, electrical potting compounds and electrical encapsulation compounds.

An automotive part containing at least one component formed from a composition comprising the following: (i) a crystalline, isotactic propylene homopolymer, (ii) an ethylene/α-olefin elastomeric impact modifier, and (iii) a reinforcing grade of filler, for example, talc. The crystalline isotactic propylene homopolymer has a flex modulus of greater than about 1930 MPa and a heat deflection temperature (HDT) of greater than about 100° C.; the ethylene/α-olefin interpolymer has a Tg of less than about −30° C., and a tan delta measured at 0.1 radians/s at 190° C. of less than about 2; and the filler has a HDT reinforcing efficiency of at least about 2. The automotive part has an HDT of greater than about 100° C. and a flex modulus of greater than about 1930 MPa.

The invention discloses a method for producing a ceramic brick by metallurgical steel slag, which comprises the following steps: crushing waste slag after metallurgical steel-making; adding clay, talc, quartz and other materials to the waste slag according to the requirement of formulation property to mold a blank by a dry pressing method through ball milling by a wet method, and powdering by slurry spraying; drying and placing the molded blank into a roller kiln for maturing; and producing the matured product into a finished product through edging, polishing, grading and packaging. The invention can be widely applied in decoration, has the characteristics of environmental production, high strength, corrosion resistance, good decoration effect and so on. The method provided by the invention is simple and feasible, and is beneficial to industrial production.