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JPH0730482B2 |
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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JPH07502991A |
A method of imaging a corporeal situs by radiological techniques, comprising delivery to the corporeal situs of an imagingly effectively amount of a physiologically acceptable composition comprising a boron reagent. A variety of illustra...
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JPH0725894B2 |
A method for the preparation of a variety of engineering polymers and copolymers, in particular aromatic polymers and copolymers, which comprises reacting a stannylated intermediate containing a first monomeric or polymeric moiety with a...
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JPH0725893B2 |
The invention relates to a process for the synthesis of polymers containing boron and nitrogen as precursors of boron nitride by reaction between at least one trihaloborane and at least one silazane compound containing at least one IDENT...
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JPH0725891B2 |
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JPH0770326A |
PURPOSE: To produce a high-molecular silicon compd. having improved electrical conductivity, photoreactivity, and heat resistance by subjecting a specific 1,1'- dihaloferrocene deriv. and a triethynylsilane deriv. to polycondensation. CO...
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JPH0721060B1 |
These new oligoethyleneoxy polyphosphazenes contain alkyl gps. and have a structure in which segments represented by formulae (I), (II), and (III) are arbitrarily arranged. (In the formulae R is a single methyl, ethyl or propyl gp. or a ...
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JPH0711001A |
PURPOSE: To obtain a boron-containing organosilazane polymer suitable as a ceramic precursor for getting an Si-B-C-N ceramic capable of keeping amor phous structure even at a high temperature and to provide a production process therefor....
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JPH0711002A |
PURPOSE: To obtain an organic polygermane having a single-peak molecular weight distribution in short time and high yield by condensing a germanium dihalide with an alkali metal in the presence of HMPA. CONSTITUTION: An organic polygerma...
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JPH073209A |
PURPOSE: To obtain the subject coated film for heat resistant insulating wires, etc., free from occurrence of crack and powdery separations by coating a coating solution containing an aluminum-dialkoxide-acetoacetic acid ester compound a...
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JPH073208A |
PURPOSE: To obtain the subject coating for heat resistant insulated wires, etc., free from occurrence of crack and powdery separation, by dissolving or dispersing an Al-dialkoxide acetoacetic acid ester and a cyclic Al oxide salt in an o...
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JPH073031A |
PURPOSE: To obtain a novel compsn. bringing about a marked increase in viscosity in water when mixed with water. CONSTITUTION: A compsn. contains a mixture consisting of polymeric metaphosphate (KPO3)n, a solubilizing agent and at least ...
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JPH06340741A |
PURPOSE: To obtain a polymer composition containing liquid-crystalline extensible chains having a high flocculation strength and a good string-drawing strechablity. CONSTITUTION: The polymer contains formula I [wherein X3 is sulfur, oxyg...
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JPH06340744A |
PURPOSE: To obtain in high yields novel polymeric azanes which can be used as precursors for high-performance ceramics and have homogeneous distribution of each element. CONSTITUTION: Polymeric multinary azanes built up from units of the...
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JPH06511033A |
Novel compounds having use as contrast agents in magnetic resonance imaging, as well as other uses, are described. The compounds are comprised of a copolymer which comprises at least two of a first monomer of the formula X1-(CHR2CHR2-Y)n...
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JPH0699564B2 |
PURPOSE:To provide a new electrically conductive polygermane material of high electrical conductivity and a polygermane suitable therefor. CONSTITUTION:(A) A poly(methylphenylgermane) of formula I (m is >=3), (B) a polygermane compound o...
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JPH0699563B2 |
The process is characterised in that at least one disilane of the formula R6-nSi2(OR<1>)n (I> in which the radicals R may be identical or different and are hydrogen atoms or monovalent hydrocarbon radicals, the radicals R<1> are identica...
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JPH0699562B2 |
PURPOSE:To provide a polycarbogermane having a specific structure, excellent in electrical conductivity, produced under mild conditions. CONSTITUTION:The objective polycarbogermanes of formula [-GeR<1>R<2>-R<3>-GeR<4> R<5>-]n(R<1>, R<2>,...
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JPH0699565B2 |
Purification of polyorganophosphazene solutions or suspensions by a process employing semipermeable membranes. This technique applies to both organosoluble and hydrosoluble polyphosphazenes and makes it possible to select the impurit...
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JPH0696641B2 |
PURPOSE:To obtain the title polymer having excellent mechanical properties and improved oxidation resistance and wetting properties with plastic by subjecting a specific random copolymer to heat reaction and heat melting with a polycycli...
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JPH0696481B2 |
Crop protection agents based on aqueous emulsion concentrates containing, as dispersing agents, phosphorylated block copolymers based on propylene oxide and ethylene oxide, optionally containing a nucleus of fatty alcohol, or salts of th...
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JPH06322134A |
PURPOSE: To obtain the subject polymer, soluble in solvents and useful as a resist material, an electronics material, an adhesive, etc., by subjecting a specific metallic compound to the ring opening polymerization in the presence of an ...
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JPH06322136A |
PURPOSE: To obtain an organic-inorganic polymeric composite excellent in moldability such as film-forming properties or spinnability, transparency and homogeneity. CONSTITUTION: The inorganic-organic polymeric composite is obtained by po...
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JPH0691950B2 |
Nanofiltration membrane (3) comprising an inorganic porous support and a polymeric microporous membrane, characterised in that: - the inorganic porous support has a pore diameter of between 3 and 10 nm, - the polymeric microporous me...
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JPH0689148B2 |
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JPH0684447B2 |
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JPH06295079A |
PURPOSE: To provide the electrophotographic sensitive body having high mechanical strength, an excellent electrostatic charge characteristic, sensitivity characteristic and residual potential characteristic and excellent environmental re...
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JPH06509089A |
PCT No. PCT/GB92/01236 Sec. 371 Date Nov. 29, 1993 Sec. 102(e) Date Nov. 29, 1993 PCT Filed Jul. 8, 1992 PCT Pub. No. WO93/00879 PCT Pub. Date Jan. 21, 1993.Glassy coatings are made by curing in situ a coating of a sol gel of tetraethoxy...
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JPH06287452A |
PURPOSE: To obtain the subject composition being halogen-free and not low in water solubility by including ammonium polyphosphate and a specified phosphoric polyester as an organonitrogen components. CONSTITUTION: This composition contai...
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JPH0678434B2 |
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JPH06279587A |
PURPOSE: To obtain a trichlorosilylaminoalane simply in good yields by reacting 1,1,1-trichloro-3,3,3-trimethyldisilazane and AlCl3. CONSTITUTION: Hexamethyldisilazane is mixed with silicon tetrachloride in a molar ratio of 1:10 to 4:1 a...
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JPH06279472A |
PURPOSE: To efficiently obtain the titled polymer useful as a flame retardant agent, etc., which has a high heat resistance, by allowing a specific cyclic phosphoric acid ester to react with a tris-hydroxyalkyl cyanurate under specific c...
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JPH06256527A |
PURPOSE: To purify a polysilane, etc., having excellent photo-conductivity and semiconductor performance and useful as optical and electronic material, etc., in high efficiency by dissolving a polysilane, etc., in an alkane compound used...
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JPH0670137B2 |
These compounds are denoted by the formula (1): especially with R1, R2 = C1-C12 alkyl, cycloalkyl, aryl, Y-R4 (Y = single bond, heteroatom, C1-C12 alkyl, and R4 = phosphorus-containing, hydroxyl, carboxyl, ester or -Si(R6)2H group (R6 = ...
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JPH0670139B2 |
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JPH0670235B2 |
A functional fluid composition is provided which comprises a plurality of different phosphazene compounds of the general formula (P=N)n (R)a (R')b (R")c (R"')dwherein R is at least one alkoxy moiety described by the general formula -OCH2...
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JPH0670207B2 |
The present invention relates to binding agents for coating compositions which can be used for making foundry molds. The new compositions contain known polymeric titanic acid esters which are treated with chelating agents. The preferred ...
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JPH06243747A |
PURPOSE: To obtain the heat resistant insulated wire, in which the insulating property is maintained without decomposition even at a high temperature and a coating film is adhered with the excellent adhesion, and the manufacturing method...
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JPH0667975B2 |
A resin composition to be used as a resinous vehicle for an antifouling paint, which is prepared by a method comprising reacting a mixture of (A) acid group containing base resin, (B) metallic salt of low boiling organic basic acid, in w...
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JPH06234859A |
PURPOSE: To easily obtain a aromatic phosphorus-containing polymer in a short time without using a catalyst by reacting phosphorus pentachloride with an aromatic dihydroxy compound, reacting the reaction product with an aromatic monohydr...
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JPH0662776B2 |
Polytitanocarbosilazane polymers useful as ceramic precursors are prepared by reacting organic silicon compounds of first and second types, a titanium compound, and a disilazane. Ceramic fibers are obtained by melt spinning the polymers ...
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JPH0657749B2 |
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JPH06211988A |
PURPOSE: To obtain a stabilized organic material by mixing oligomeric compounds of a specific formula with an organic material which is easily affected by oxidative, thermal and/or light-induced degradation. CONSTITUTION: Oligomeric comp...
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JPH0655777B2 |
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JPH06207025A |
PURPOSE: To provide a new solvent-soluble metal-containing polymer which comprises a polymer containing metal atoms in the principal chain and can be utilized for resist materials, various electronics materials, adhesives and other vario...
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JPH0653803B2 |
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JPH0653864B2 |
A heat- and corrosion-resistant composition comprising a metal alcoholate, a hardening agent, a filler, and an organic solvent.
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JPH0654757B2 |
This invention relates to an electroconductive thin film prepared by forming a polymerized thin film on a substrate in a vacuum reactor by the decomposition of a metal complex starting material by glow discharge, said metal complex havin...
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JPH06200035A |
PURPOSE: To obtain a swellable crosslinked polycarbosilane which yields an SiC molding in the form of a stable, oxygen-free fiber or string through an easy process, by heating a polycarbosilane or polysilane at a temperature lower than a...
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JPH0651790B2 |
Photosensitive iodonium polymers are provided useful as positive photoresists. The iodonium polymers can be converted to polymeric diaryl iodonium polyfluorometal and metalloid salts by a metathesis reaction. These polymeric iodonium pol...
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