114 results about "Condensed phosphate" patented technology

A method for producing a set gypsum-containing product comprising an interlocking matrix of set gypsum wherein said method comprises applying to said set gypsum one or more enhancing materials selected from the group consisting of phosphoric acid; condensed phosphoric acids, each of which comprises 2 or more phosphoric acid units; and salts or ions of condensed phosphates, each of which comprises 2 or more phosphate units, and monobasic salts or monovalent ions of orthophosphates.

A pretreatment solution for providing a catalyst for electroless plating and a pretreatment method using the solution are provided. The pretreatment solution comprises a silver colloidal solution containing, as essential components, at least the following components (I), (II) and (III): (I) silver colloidal particles, (II) one or more ions selected from an ion of a metal having an electric potential which can reduce a silver ion to metal silver in the solution and an ion oxidized at the time of reduction of the silver ion, and (III) one or more ions selected from a hydroxycarboxylate ion, a condensed phosphate ion and an amine carboxylate ion, the silver colloidal particles (I) being produced by the ion of the metal (II) having an electric potential which can reduce a silver ion to metal silver. When an object to be plated is pretreated by use of the pretreatment solution, provision of an effective catalyst for electroless plating is achieved.

The invention discloses a modified reinforced geopolymer gelling material. The modified reinforced geopolymer gelling material comprises 40-60 parts of compounded silicon-aluminum powder, 70-90 partsof a compounded alkali activator, 5-15 parts of a modifier and 2-6 parts of a condensed phosphate promoter, and the compounded silicon-aluminum powder includes 20-30 parts of metakaolin, 10-20 parts of fly ash, 5-10 parts of mineral slag, 5-10 parts of steel slag, 4-6 parts of silica fume and 1-2 parts of nano-silica. The invention also discloses a preparation method of the modified reinforced geopolymer gelling material. The above product has a high chemical stability and a high mechanical strength in an acid and alkali erosion environment.

The present invention generally relates to a resin composition, a cured resin, a sheet-like cured resin, a laminated body, a prepreg, electronic parts, single and multilayer circuit boards comprising a cyanate ester polymer and condensed phosphate ester, for use in single and multilayer circuit boards that are especially useful in the high-frequency range of above 100 MHz.

A flame retardant resin composition composed of a thermoplastic resin (polyester resin, etc.) (A) and a flame retardant (B), the flame retardant (B) containing a polyphenylene ether resin (B1), a phosphate ester ( Condensed phosphoric acid ester, etc.) (B2), polyphosphate salt of nitrogen-containing cyclic compound (B3). The nitrogen-containing cyclic compound includes an amino group-bearing triazine compound (melamine, melamine condensate, etc.). The ratio of a flame retardant (B) is about 10-300 weight part with respect to 100 weight part of polyester resins (A). The flame retardant (B) can contain 10 to 500 parts by weight of polyphenylene ether resin (B1) and 5 to 1000 parts by weight of polyphosphate ( B3).

The invention discloses a high-strength and high-toughness geopolymer material. The high-strength and high-toughness geopolymer material comprises, by weight, 500-700 parts of silicon-aluminum mineralraw materials, 600-800 parts of an alkali activator, 70-150 parts of a nanoscale efficient modifier, 2-5 parts of super absorbent resin, 2-6 parts of a hybrid fiber, 4-10 parts of a surfactant, 700-1000 parts of fine aggregates and 100-150 parts of deionized water, the silicon-aluminum mineral raw materials comprise 200-300 parts of metakaolin, 150-200 parts of fly ash, 50-100 parts of red mud, 40-60 parts of mineral slag, 40-60 parts of silica fume and 20-40 parts of Portland cement, and the nanoscale efficient modifier comprises 20-50 parts of condensed phosphate, 20-40 parts of nano-silica, 20-40 parts of nano-alumina and 10-20 parts of zeolite. The invention further discloses a preparation method of the high-strength and high-toughness geopolymer material. The problems of large earlyself-shrinkage and easy cracking of the geopolymer are solved, and the obtained geopolymer has strong toughness and high strength.

A method for forming a circuit pattern includes at least a step (a) of subjecting a non-conductor to electroless copper plating to form a copper film and a step (b) of etching the copper film so as to form a circuit pattern. As a catalyst for the electroless copper plating, a silver colloidal solution is used containing as essential components at least the following: (I) silver colloidal particles; (II) one or more of ions of metal having an electric potential which can reduce silver ions to metal silver in the solution and/or ions which result from oxidation of the ion at the time of reduction of the silver ions; and (III) one or more of hydroxycarboxylate, condensed phosphate and/or amine carboxylate ions. The silver colloidal particles (I) are produced by the ion (II) of the metal having an electric potential which can reduce silver ions to metal silver. The circuit pattern may be formed on a printed wiring board.

It is disclosed a method for the nitrosphate process to produce NPK or NP material with polyphosphates by reducing the pressure in the evaporation stage and / or increasing the temperature in the evaporation stage and/or controlling the temperature in the crystallization stage wherein a material is produced containing a mixture of MAP, DAP, DCP and optionally apatite and a controlled amount of condensed phosphates (polyphosphates), and N/P and Ca/P ratios of the NPK material are N/P >= 0.95 and 1.0 >= Ca/P = 0.2 and products thereof.

The invention relates to an inorganic bonding agent for casting, which is an inorganic casting bonding agent based on phosphate applied to hot core technology. The phosphate casting inorganic bonding agent consists of phosphate solution, polyvinyl alcohol [CH2CH(OH)]n solution and a metal oxide curing agent; when being applied to preparing sand type or sand core, by taking the new sand according to parts by weight as reference, the phosphate casting inorganic bonding agent comprises the following components: 100 parts of new sand, 0.1-1 part of metal oxide curing agent, 0.5-2 parts of polyvinyl alcohol solution, and 3-5 parts of phosphate solution. In the invention, based on the phosphate casting inorganic bonding agent, hydrophobic nodes are added in condensed phosphate space lattices sothat the rate of contacting with water is reduced and the wet resistance is obviously improved; for the sand type or sand core prepared by taking phosphate as the main body of the casting bonding agent, no harmful product can be produced during the process of casting production compared with organic resign bonding agent; the added polyvinyl alcohol for improving the wet resistance does not like benzene-containing organic resin to cause the production of harmful gas because of incomplete combustion.

A resin composition for a shell mold which reduces smoke generation upon molding of a casting mold and maintains a crumbility and a casting mold strength of a phenolic resin, and resin coated sand by the use thereof are provided. The resin composition for the shell mold includes the phenolic resin and an aromatic condensed phosphate ester. The phenolic resin is used as a binder of the resin coated sand used for producing a main mold and a core for shell mold casting of cast iron, cast steel, aluminum, and the like. The aromatic condensed phosphate ester is very effective as a crumbling agent for improving the crumbility of the casting mold after casting.

Radiation-absorbing, plastics-based material consisting of a polymer matrix with an absorber material or mixture of absorber materials contained therein, wherein the absorber material or mixture of absorber materials is selected from phosphates, condensed phosphates, phosphonates, phosphites and mixed hydroxide-phosphate-oxoanions of copper (Cu), tin (Sn), calcium (Ca) and/or iron (Fe) and is present finely distributed, dispersed or dissolved in the polymer matrix.

Disclosed is a flame-retardant epoxy resin composition characterized by containing (A) an epoxy resin containing 0.5-10 equivalent/kg of oxazolidone rings, (B) an epoxy group-containing phosphazene compound, (C) at least one compound selected from the group consisting of phosphates, condensed phosphates, quinone derivatives of phosphine compounds, and polyphenylene ethers, and (D) at least one curing agent selected from the group consisting of guanidine derivatives, phenol novolacs, bisphenol A novolacs, cresol novolacs and naphthol novolacs.

A curable resin composition comprising: 100 parts by weight of an alicyclic olefin polymer (A); from 1 to 100 parts by weight of a curing agent (B); from 10 to 50 parts by weight of a salt (C) of a basic nitrogen-containing compound with a phosphoric acid; and from 0.1 to 40 parts by weight of a condensed phosphate ester (D); of which phosphorus element content is not less than 1.5% by weight. The composition can provide a molded body or composite body which excels in a moisture resistance, a flame retardancy, a smoothness of the surface, and an electric insulation property and a cracking resistance, and hardly generates a harmful substance in burning. A multilayered circuit board is obtained by molding the composition into a sheet; laminating the sheet on an inner layer board; curing the laminated sheet to form an electric insulating layer; and forming an electric conducting layer on the electric insulating layer.

A halogen-free varnish includes epoxy resin, composite curing agent, condensed phosphate, and filler. The composite curing agent includes Benzoxazine (BZ) resin and amino triazine novolac (ATN) resin. The filler has aluminium hydroxide and silica. Glass fabric is dipped into the varnish so as to form a prepreg with better thermal stability, anti-flammability, and low moisture absorption

Provided are: an elimination agent that is for oral cavity biofilms and that comprises (A) an [alpha]-olefin sulfonate and (B) a condensed phosphate (B-1) and/or an amphoteric surfactant (B-2); and an oral cavity composition comprising component (A) and component (B) and having a high elimination effect with respect to oral cavity biofilms.

Provided is a titanium oxide sol solution which is usable as a coating agent or its starting material having functions such as prevention of contamination, deodorization, clouding resistance, and antimicrobial activity. The titanium oxide sol contains negatively charged amorphous titanium oxide particles and titanium oxide particles responsive to a visible light of 50-99 pts.mass in total, >=1 kind(s) of anionic compound(s) selected from condensed phosphoric acid, condensed phosphates, and chelate compounds having carboxy groups of 1-50 pts.mass in total, and a solvent, and its pH is 5-10. In addition, a specific basic compound, an antioxidant, etc., can be contained. The titanium oxide coating film is formed by adhering the titanium oxide sol, volatilizing the solvent, heating at a temperature of >=200[deg.]C and then irradiating an electromagnetic wave with a wavelength of <650 nm.

The invention discloses an electrolyte solution for magnesium alloy surface micro-arc oxidation and a preparation method of a black coating. The electrolyte solution is prepared from a main film-forming agent, an auxiliary film-forming agent, main coloring salt, a complexing agent and deionized water; the main coloring salt is metal copper salt; the complexing agent is composed of condensed phosphate, organic phosphonate and tartrate; in the electrolyte solution, the content of the main film-forming agent is 5-50 g/L, the content of the auxiliary film-forming agent is 1-30 g/L, and the contentof the main coloring salt is 1-20 g/L; and the contents of various complexing agents can be compounded at 1-20 g/L. The electrolyte solution is not prone to precipitating in the micro-arc oxidation process, high in stability and long in service life; electrical parameters can be regulated and controlled in a large range, extreme discharge is not prone to occurring, and the film forming efficiencyis high; and the black coating prepared from the electrolyte solution is high in blackness, small in color difference, low in surface roughness, high in hardness, good in corrosion resistance, high in adhesive force, not prone to discoloring and excellent in thermal control performance.