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JP2667365B2 |
A process for the condensation and/or equilibration of organosilicon compounds in the presence of oxygen-containing phosphazenes, in particular those of the formula Y-PCl2=N(-PCl2=N)n-PCl2O (I> where Y is a chlorine atom or a hydroxyl gr...
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JP2666950B2 |
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JP2663557B2 |
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JPH09255787A |
To inhibit the evolution of a corrosive gas upon combustion of a halogen-contg. resin compsn. or a resin compsn. contg. a halogen-based flame retardant by using a polyphosphoric acid compd. as a hydrogen halide scavenger. The polyphospho...
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JPH09509408A |
Novel pyrrolidine monomers bearing various functional groups are used to prepare oligomeric structures. The pyrrolidine monomers can be joined via standard phosphate linkages including phosphodiester and phosphorothioate linkages. Useful...
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JP2649269B2 |
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JPH09227683A |
To obtain a catalyst having a low halogen content and an improved activity of polymerizing an organosiloxane by mixing a specified short-chain linear phosphazene with a linear siloxane. This catalyst is prepared by mixing a short-chain p...
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JP2637040B2 |
PURPOSE: To obtain a silazane precursor advantageously on an industrial scale which is useful in the starting materials for the preparation of a ceramic such as silicon nitride and silicon carbide by reacting a dihalogenosilane with a mo...
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JP2633639B2 |
The present invention provides a photographic element comprising an antistatic composition comprising a polyphosphazene comprising repeating units of the formula: and a salt that complexes with the polyphosphazene. In the above formula, ...
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JP2629845B2 |
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JPH09176325A |
To obtain a silicon-contg. functionally gradient material excellent in resistances to heat and combustion, and in mechanical properties. This silicon-contg. functionally gradient material is obtained by treating a silicon-contg. polymeri...
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JPH09506678A |
PCT No. PCT/EP94/04029 Sec. 371 Date Jun. 14, 1996 Sec. 102(e) Date Jun. 14, 1996 PCT Filed Dec. 3, 1994 PCT Pub. No. WO95/16715 PCT Pub. Date Jun. 22, 1995A process is described for flame-proofing organic polymeric materials by means of...
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JP2622225B2 |
PURPOSE: To obtain a membrane having an irreversibly hydrophobic surface simply and cheaply by coating the entire outside surface of porous structural body containing a microporous layer and the entire inside surface of pores with a cont...
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JPH09157395A |
To obtain a coating compsn. which can form a coating film improved in adhesion to a substrate and having a long-lasting gas barrier properties such as against oxygen or steam by using specific compds. This compsn., obtd. by hydrolyzing a...
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JPH09504819A |
The compositions of this invention comprise uncrosslinked reaction mixtures comprising (1) at least one organic monomer, oligomer or polymer comprising a multiplicity of organic, electrophilic substituents, and (2) at least one metal-con...
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JP2607568B2 |
PURPOSE:To make reversible, stable cation doping possible and to prevent deterioration in the atmosphere by using a new conductive polymer obtained by electrochemically or chemically polymerizing a specific phenyl boron derivative. CONST...
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JPH09504308A |
(57) [Summary] Macrophages of the reticuloendothelial cell line provide particles that are not rapidly removed from the bloodstream, and they are modified to achieve variable release rates or target specific cells or organs. The particle...
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JP2590535B2 |
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JP2588181B2 |
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JP2586012B2 |
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JP2581880B2 |
PURPOSE: To provide a method for forming a very high molecular weight polycarborane siloxane polymer useful in a space environment with good reproducibility. CONSTITUTION: A method comprises the steps of providing ultra-pure carborane bi...
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JP2576065B2 |
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JP2576066B2 |
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JP2573820B2 |
Novel compositions comprising a high concentration of one or more extended chain homopolymer, copolymer, or block polymer and certain polyphosphoric acids are prepared. Such compositions are optically anisotropic (liquid crystalline), ca...
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JPH09500629A |
A immunoadjuvant soluble phosphazene polyelectrolyte is disclosed. In one embodiment, the polymeric adjuvant is an poly(organophosphazene) with (i) ionized or ionizable pendant groups that contain, for example, carboxylic acid, sulfonic ...
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JP2572813B2 |
A process for the production of boron nitride is carried out by condensing a mixture of B-tris(loweralkylamino)borazine with an alkylamine in an inert gas atmosphere at a temperature of 150 DEG C or above to prepare a precursor, forming ...
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JPH09500132A |
Water soluble polymers or polymeric hydrogels are used to encapsulate antigen to form vaccines. The antigen is mixed with a polymer solution, microparticles are formed of the polymer and antigen, and, optionally, the polymer is crosslink...
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JP2560246B2 |
PURPOSE: To produce an organoplatinum polymer by reacting a 5,6,11,12- tetradehydrodibenzo[a, e]cyclooctene represented by a specified formula with a platinum complex represented by a specified formula. CONSTITUTION: A platinum complex r...
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JPH08311205A |
To improve storage stability by hydrolyzing a specified dendrimer in the presence of a base in a nonpolar solvent containing water. A dendrimer of formula I (wherein (i) is 3 or 4; (n) is 2-6; R is an alkyl or an aryl, and Z is Cl, Br or...
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JP2551213B2 |
PURPOSE:To obtain the core material which is less increased in optical transmission loss by an external pressure by incorporating a specific repeating unit into this material. CONSTITUTION:This core material is formed of the org. silicon...
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JP2543908B2 |
In a first stage, a heterocyclic oxygen compound is polymerized by an ionic route in a vinyl halide and, in a second stage, the vinyl halide, to which other unsaturated monomers capable of being polymerized by a radical route may be adde...
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JPH08268735A |
PURPOSE: To easily obtain a heat resistant laminated glass excellent in heat resistance, fireproof property, adhesiveness, etc., and having fine appearance by interposing an intermediate adhesive layer of polymetallosiloxane between at l...
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JP2527379B2 |
A primer composition comprises (A) an organosilicon compound having different alkoxy groups in its molecule, (B) a tetraalkoxytitanium, (C) an acid and water, and (D) an organic solvent. The composition shows excellent adhesion propertie...
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JP2524763B2 |
An oligomer flame-retarding additive can be defined by the general formula wherein: R is the hydrogen atom, or a linear or branched alkyl radical, containing from 1 to 6 carbon atoms; m takes the value 1, 2 or 3; n takes a value, or an a...
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JP2522856B2 |
PURPOSE:To obtain a primer composition which can improve the bonding of a room temperature-curing condensation-type silicone elastomer and a coated metal by using a reaction mixture among a silicon alkoxide, an alkoxytitanium and a speci...
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JP2521081B2 |
An organic solution of AlR1R2R3 (R1, R2 and R3: organic group or halogen) is reacted with water of the molar ratio of 1.01 to 1.45 to prepare a polyaluminoxane. The polyaluminoxane is mixed with a silicon-containing compound, and the mix...
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JPH08193090A |
PURPOSE: To obtain a new compound capable of exhibiting excellent compatibility with an aromatic polymer and an aliphatic polymer, free from volatilization and oozing-out in molding and processing and useful as an additive for resins suc...
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JP2509782B2 |
PURPOSE: To obtain pure propanephosphonic anhydride which is useful for prepar ing a fire proofing reagent and the like, by distilling under specific conditions an impure propanephosphonic anhydride of specific quality and/or property. C...
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JP2507714B2 |
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JPH08505352A |
PCT No. PCT/GB94/00015 Sec. 371 Date Jul. 25, 1995 Sec. 102(e) Date Jul. 25, 1995 PCT Filed Jan. 5, 1994 PCT Pub. No. WO94/15882 PCT Pub. Date Jul. 21, 1994Glassy coatings are made by curing in situ a coating of a sol gel of boron trieth...
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JPH08151392A |
PURPOSE: To produce a new phosphorus-containing compound useful e.g. as a harmless flame-retardant effective at a low rate of application by reacting an organic phosphorus halide compound with a bishydroxy compound, hydrolyzing the produ...
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JP2501286B2 |
PURPOSE: To provide a new modified polycynulate resin having enhanced fracture toughness and improved perforating property. CONSTITUTION: The resin consists of a fluorine-contg. cyanate and a fluorine- contg. thermoplastic polymer, and i...
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JPH08120087A |
PURPOSE: To obtain the subject compound exhibiting high heat stability and not causing undesirable discoloration by reacting pentaerythrityl bis(phosphite) with a specified imidazolidinone derivative under specified conditions. CONSTITUT...
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JPH0832708B2 |
Compositions of matter and methods of preparation are described for water and air stable, square planar transition metal double-complex salts which contain isonitrile ligands derivatized with long chain aliphatic groups. These salts are ...
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JPH0833661B2 |
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JPH0822926B2 |
A process for producing novel oxy-metallo-organic, e.g. oxy-alkoxy, polymers is disclosed which comprises heating a metallo-organic compound, e.g. an alkoxide of a metal selected from the group consisting of aluminum, titanium and zircon...
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JPH0816159B2 |
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JPH08501581A |
Expandable thermoplastic polymers in particle form comprising a) at least one organic boron-silicon compound, b) at least one thermoplastic polymer and c) a blowing agent, a process for their preparation, and the foams produced using the...
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JPH0841197A |
PURPOSE: To use a novel phosphite or phosphonite containing structural units of a hindered amine light stabilizer such as a tetramethylpiperidyl-containing compound as a processing stabilizer. CONSTITUTION: A phosphite or phosphonite hav...
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JPH085906B2 |
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