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JPH0651773B2 |
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JPH0649766B2 |
Process for the preparation of polymers based on boron and nitrogen, which is characterised in that a) a composition of matter obtained by bulk thermolysis of at least one compound of formula (1): in which A denotes a halogen atom and R ...
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JPH0649767B2 |
Process for the preparation of a polymer based on boron, nitrogen and silicon comprising the reaction of a mixture of trihaloborane, disilazane and B-trichloroborazine. The invention also relates to the use of the polymers obtained f...
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JPH0647448B2 |
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JPH0645699B2 |
Polyphosphazene polymers are prepared which contain repeating units represented by the formulas:wherein X is -N(CH2CHCH2)2, and X' is a substituted or unsubstituted alkoxy, aryloxy, amino or mercapto substituent group or mixtures thereof...
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JPH0643457B2 |
Polyfunctional cationically polymerizable styryloxy compounds of the formula where R¹ is H or methyl; R² is hydrocarbyl, hydrocarbyl interrupted by ether oxygen atoms, or halo substituted hydrocarbyl; R³ is H, lower alkyl, or alkoxy; ...
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JPH06157766A |
PURPOSE: To obtain a condensate having improved chemical property such as resistance to acid, thermal property such as resistance to heat and mechanical property by, after reacting a specific metal derivative with respective specific fun...
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JPH0639559B2 |
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JPH06145183A |
PURPOSE: To provide a new compound having high yield and selectivity, soluble in ordinary solvent and giving a flame-retardant cured article having excellent adhesivity and heat-resistance by conventional molding method and, accordingly,...
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JPH06145362A |
PURPOSE: To improve mechanical characteristics, colorlessness and transparency, resistance to water absorption, and water repellency by polymerizing a phosphonitrile dichloride trimer and reacting the resulting polymer with diallylamine ...
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JPH0635514B2 |
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JPH06128035A |
PURPOSE: To provide a process for preparing an SiC-AlN solid soln. and an SiC-AlN composite material. CONSTITUTION: Elemental Si powder is dispersed in a ceramic precursor polymer contg. Al, N and C atoms, a reaction between the elementa...
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JPH0627270B2 |
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JPH06100698A |
PURPOSE: To obtain an organometallic polymer having a specific main chain and usable for a conductive polymer, a light-absorbing polymer, a magnetic material a catalyst, etc., by reacting a specific organometallic compd. with a specific ...
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JPH06100697A |
PURPOSE: To obtain an unsatd. carboxylic acid resin compsn. which gives a cured coating film excellent in adhesive properties, electric insulating properties, acid and alkali resistance, etc., by reacting a cyclic or linear dichlorophosp...
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JPH06503204A |
(57) [Summary] Since this publication is application data before electronic filing, summary data is not recorded.
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JPH0623305B2 |
Electrolyte consisting of a salt in solution in a randomly crosslinked copolymer. Application to the production of electrochemical accumulators.
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JPH0622888B2 |
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JPH0649220A |
PURPOSE: To produce a polymer containing no gel content in high conversion by heating hexachlorocyclotriphosphazene, etc., in the presence of an organic sulfonic acid silyl ester compound to polymerize the phosphazene at relatively low t...
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JPH06501496A |
Linear or cyclic germanium compounds are provided for use as biocompatible oil in human or animal biology and have formula (I), wherein n = 1-50, and radicals R are the same or different and are selected from hydrocarbyl radicals.
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JPH068311B2 |
A process for the preparation of certain phosphazene esters. The process is characterized by its utilization of a phase transfer catalyst, which may be either a quaternary ammonium compound or a quaternary phosphonium compound.
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JPH068352B2 |
The process is characterised in that an organosilicon compound containing Si-Si bonds and containing at least one radical of the formula -OR<2> where R<2> is hydrogen or an alkyl radical, is reacted in the presence of boric acid.
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JPH0616681A |
PURPOSE: To obtain a polymethylaluminoxane having enhanced solution stability in organic solvents and, in some cases, also an increased polymerization activity. CONSTITUTION: This polymethylaluminoxane composition comprises a part derive...
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JPH0588891B2 |
An improvement in the process for preparing an organometallic polymer having a main chain constituted of silicon and/or germanium or having a main chain constituted of a linkage including carbon and silicon or germanium and further havin...
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JPH05339358A |
PURPOSE: To provide a thermosetting compd. useful for preparing an optical fiber or an elastomer with an inherent bright color by reacting a specific oligophosphite with a specific unsatd. polyester or a specific epoxide, respectively. C...
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JPH05331290A |
PURPOSE:To produce a silicone resin having various functional groups by a conventional method. CONSTITUTION:A mixture of acrylonitrile and a somewhat excess of methyldichlorosilane is incorporated with TMEDA, tri-n-butylamine and cuprous...
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JPH05320356A |
PURPOSE:To obtain a polyborosilazane having excellent mechanical strength, heat-resistance, corrosion resistance and oxidation resistance, easily convertible to ceramic and useful for fiber, etc., by reacting a specific dihalosilane and ...
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JPH0583371B2 |
A silicate/titanate copolymer is disclosed for use as a primer in adhering rigid copolymer substrates to elastomeric interlayers or inorganic coatings.
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JPH05310948A |
PURPOSE:To safely obtain the subject compound on an industrial scale by putting a specific compound to electrode reaction using Mg or Cu, etc., as the anode under specific conditions. CONSTITUTION:The objective compound of formula II (n ...
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JPH05310949A |
PURPOSE:To provide the subject new compound having specific structure, useful as e.g. a positive hole carrying material for organic thin film electroluminescence elements or organic thin film photocells. CONSTITUTION:The objective compou...
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JPH05306342A |
PURPOSE:To provide a new compound made up of specific curable group-bearing recurring unit, capable of giving cured resin films or cured products which are excellent in surface hardness and transparency, being low in cure shrinkage, caus...
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JPH05301964A |
PURPOSE:To safely obtain the subject material, capable of controlling the molecular weight, excellent in heat resistance and useful as an optoelectronic material, etc., by subjecting a specific dihalogermane to the electrode reaction und...
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JPH05301965A |
PURPOSE:To safely obtain the subject material, capable of controlling the molecular weight, excellent in heat resistance and useful as an optoelectronic material, etc., by subjecting a specific dihalogermane to the electrode reaction und...
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JPH05301966A |
PURPOSE:To safely obtain the subject material, capable of controlling the molecular weight, excellent in heat resistance and operating efficiency and useful as an optoelectronic material, etc., by subjecting a specific dihalogermane and ...
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JPH05271421A |
PURPOSE:To obtain a titanium oxide polymer which is soluble in an organic solvent, useful for a polymer/inorganic substance composite material or as a surface treatment and also useful as a photocatalyst for photooxidation or photoreduct...
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JPH0571060B2 |
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JPH05255511A |
PURPOSE:To obtain the title polymer useful as a resist material, an adhesive, etc., by selecting a specified metal-containing polymer. CONSTITUTION:A metal-containing polymer of the formula {wherein M is a group XIV metal atom; X is N(Si...
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JPH05254818A |
PURPOSE: To carry out the preparation at a low temperature by reacting silicic acid with a metallic halide or a metallic oxyhalide in an organic solvent. CONSTITUTION: A solution of silicic acid at a prescribed concentration in tetrahydr...
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JPH05255510A |
PURPOSE:To obtain the title polymer useful as a resist material, an adhesive, etc., by selecting a specified metal-containing polymer. CONSTITUTION:A metal-containing polymer of the formula (wherein M is a group XIV metal atom; and R1, R...
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JPH0569764B2 |
Process for the preparation of boron nitride of high purity, free from silicon and with a low carbon content, the said process being characterised in that it consists in pyrolysing under an ammonia atmosphere the product of reaction betw...
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JPH0567565B2 |
Process for the preparation of polydichlorophosphazene compositions with a controlled cyclic oligomer content. The control of this content is obtained by modifying the concentration of the monomer (P2NOCl5 or P2NSCl5) in the solution of ...
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JPH0565443B2 |
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JPH0564958B2 |
A process for preparing a phosphonitrile compound having a substituted hydroxyl group by making use of a phosphonitrile chloride oligomer and an alcohol as the starting materials, which comprises: (1) a first step of reacting said phosph...
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JPH0564168B2 |
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JPH0559921B2 |
An energy polymerizable composition and process therefore, comprising a cationically polymerizable material and a catalytically effective amount of an ionic salt of an organometallic complex cation as polymerization initiator, said ionic...
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JPH05222079A |
PURPOSE: To provide a new compd. which is useful as a self-extinguishing additive to be compounded into a self-extinguishing thermoplastic polymer compsn., which has excellent thermal and coloring stability and significantly high char- f...
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JPH0559154B2 |
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JPH05214108A |
PURPOSE: To efficiently obtain the subject polymer useful as a raw material polymer for a silicon carbide ceramic product or the like in a high yield by co-condensing a dihalogen hetero element compd., a dihalogensilane and a dihalogen h...
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JPH0553800B2 |
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JPH05201710A |
PURPOSE: To prepare polydichlorophosphazenes by heating a precursor composition based on hexachlorocyclotriphosphazene in the presence of oxy-salt of phosphorus. CONSTITUTION: The oxy-salt of phosphorus is added to a precursor compositio...
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