Abstract: Compositions comprising at least one phosphorescent organometallic compound and a polymer comprising structural units of formula II are useful in organic light emitting devices wherein R1, R2, and R4 are independently at each occurrence a C1-C20 aliphatic radical, a C3-C20 aromatic radical, or a C3-C20 cycloaliphatic radical; wherein R3 and R5 are independently selected from the group consisting of hydrogen, triphenylsilyl, t-butyl, mesityl, diphenyl phosphine oxide, and diphenyl phosphine sulfide; and a, b and d are independently 0 or an integer ranging from 1 to 3.

Abstract: Disclosed are a ferrocene-containing conductive polymer, an organic memory device using the conductive polymer and a method for fabricating the organic memory device. The conductive polymer may include a fluorenyl repeating unit, a thienyl repeating unit and a diarylferrocenyl repeating unit. The organic memory device may possess the advantages of rapid switching time, decreased operating voltage, decreased fabrication costs and increased reliability. Based on these advantages, the organic memory device may be used as a highly integrated, large-capacity memory device.

Abstract: The present invention relates to polymers which contain certain triarylamine units of the Formula (1) The materials according to the invention exhibit a longer lifetime than materials in accordance with the prior art and therefore more suitable for use in polymeric organic light-emitting diodes.

Abstract: The present invention relates to a method for treating an inkjet recording element to improve the image quality of such an element. The method comprises the applying of a solution of an aluminosilicate polymer on said recording element, said aluminosilicate polymer being obtainable by a preparation method consisting in treating an aluminum halide with an alkyl orthosilicate only having hydrolisable substituents or with a mixture of at least one silicon alcoxide only having hydrolisable substituents and at least one silicon alcoxide having a non-hydrolisable substituent with an aqueous alkali in the presence of silanol groups, the aluminum concentration being maintained less than 0.3 mol/l, the Al/Si molar ratio being maintained between 1 and 3.6 and the alkali/Al molar ratio being maintained between 2.

Abstract: The in vitro polymerization of silica, silicone, non-silicon metalloid-oxane and metallo-oxane polymer networks, by combining a catalyst and a substrate to polymerize the substrate to form silica, polysiloxanes, polymetalloid-oxanes polymetallo-oxanes (metal oxides), polyorganometalloid oxanes, polyorganometallo oxanes, and the polyhydrido derivatives thereof, at about neutral pH.

Abstract: A method for modifying the electrostatic discharge (ESD) characteristics of a polymeric material by integrating metallocene moieties as constituents of the polymer structure. In a preferred embodiment, the metallocene is part of the polymer backbone structure. In another preferred embodiment, the metallocene moieties are in sufficiently close proximity to one another such that electrostatic charge propagation is promoted. In another preferred embodiment, the metallocene is ferrocene. In another embodiment, an article is formulated from, or coated with, a polymeric composition containing metallocene as a polymer constituent. The subject invention includes novel polymeric compositions. Polymeric compositions of the subject invention, and articles made therefrom, exhibit electrostatic dissipative properties which are useful in preventing destructive electrostatic discharge.

Abstract: Novel conductive polyanionic polymers and methods for their preparion are provided. The polyanionic polymers comprise repeating units of weakly-coordinating anionic groups chemically linked to polymer chains. The polymer chains in turn comprise repeating spacer groups. Spacer groups can be chosen to be of length and structure to impart desired electrochemical and physical properties to the polymers. Preferred embodiments are prepared from precursor polymers comprising the Lewis acid borate tri-coordinated to a selected ligand and repeating spacer groups to form repeating polymer chain units. These precursor polymers are reacted with a chosen Lewis base to form a polyanionic polymer comprising weakly coordinating anionic groups spaced at chosen intervals along the polymer chain. The polyanionic polymers exhibit high conductivity and physical properties which make them suitable as solid polymeric electrolytes in lithium batteries, especially secondary lithium batteries.

Abstract: A method of synthesizing metal alkoxide polymers is provided, for use, as an example, in synthesizing hybrid organic/inorganic materials with low optical absorption for optical applications. The method involves a plurality of acidolysis steps involving acidolysis of a metal alkoxide compound with an acid to produce an intermediate acidolysed solution, and combining and condensing the intermediate acidolysed solutions to produce the metal alkoxide polymer.

Abstract: The invention relates to mono-, oligo- and polymers comprising a dithienothiophene group and an aryl group useful as semiconductors or charge transport materials in optical, electrooptical or electronic devices including field effect transistors, electroluminescent, photovoltaic and sensor devices.

Abstract: Hyperbranched organometallic polymers, including poly [1,1′-ferrocenylenesilynes], poly [1,1′-ferrocenylene-(alkyl)silynes], poly [1,1′-ferrocenylene(alkenyl)silynes] and poly [1,1′-ferrocenylene(aromatic)silynes], are useful as precursors to certain ceramic materials. Processes for the preparation of such polymers and the preparation of ceramic materials from such polymers are described, as are the resulting ceramic materials and their use as ferromagnetic materials and electrically conductive materials.

Abstract: Method is provided for controlling the stereo chemistry of functionalities or X groups to exo or endo positions on a polyhedral oligomeric silsesquioxane (POSS) compound by adding certain reagents to said X groups to change one or more positions thereof to endo or exo. Also provided are the POSS species formed by the above inventive method. Method is also provided for inserting a ring substituent into a POSS compound. Also provided are the POSS species formed by such inventive method.

Abstract: Metal complex containing one or more silsesquioxane ligands, having the formula Zy(MAxBq)b  (I), wherein Z is a silsesquioxane according to the formula R7−lSi7O12YD1+l  (II), M is a metal from groups 3-6 of the Periodic System of the Elements and the lanthanides, A is a monoanionic ligand bound to the metal, B is a &pgr;-bound ligand, y represents the number of silsesquioxane ligands and is 1-10, b represents the number of metal groups and is 1-20, q is 0,1 or 2, x is the number of substituents A bound to the metal; the value of x depends on the metal used and is equal to the valency of the metal minus 1, 2, 3 or 4, R is a substituent bound to Si, Y is an atom from group 13 or 14 of the Periodic System of the Elements, D is a group, directly bound to Y or Si with one atom from group 15 or 16 of the Periodic System of the Elements and 1 determines the amount of substituents R and atoms D and is equal to 0, 1, 2 or 3.

Abstract: The present invention provides a method for producing precursor polymers which decompose to a substantially pure refractory metal carbide or refractory metal boride. The method comprises mixing a transition metal compound with either (a) an organometallic, or (b) a backbone polymer comprising a plurality of unsaturated carbon-carbon bonds. The mixing occurs under conditions effective to form organo-transition metal complexes The organometallic (a), comprises either a borane, a carborane, or an organometallic comprising a metal and at least one unsaturated carbon-carbon bond. When an organometallic (a) is used, the transition metal complexes must be polymerized to form the precursor polymers. When a backbone polymer (b) is used, the transition metal complexes, themselves, comprise the precursor polymers. The refractory metal carbides or metal borides formed upon decomposition of these precursor polymers may be used to make ceramic matrix composites and high temperature coatings.

Abstract: The present invention provides a method and materials for reducing or limiting charge accumulation and the resulting arc discharges in components used in space vehicles such as satellites prone to charge buildup due to exposure to a charge flux. The material is found in the poly(metallocene) family. In each member of this family, a metal atom is an integral part of the polymer chain, the whole structure being held together (and the interactions provided) by chemical bonds rather than by the proximity of the components in a heterogeneous mechanical mixture. In a homogeneous dielectric, the needed conductivity may be radiation-induced or it may be achieved as the result of doping. The components may be coated with, or alternatively fabricated from, a material including the poly(metallocene) as a constituent.

Abstract: The present invention relates to a compound for preventing the acid generated during the exposure step of a photolithography process in the exposed areas, from being diffused to the unexposed areas, and a process for forming an ultra-micro pattern using the same.

Abstract: A paint composition being capable of forming a coating film which is remarkably excellent in stain-proofing property whereby neither stains in the air nor stains marked due to rain water adhere to or are deposited on the coating film surface and a stain-proofing agent for adding to the composition are provided.

Abstract: The present invention is directed to a method of forming germanium-containing silicones in which germanium is incorporated into the siloxane backbone with Ge—O—Si bond or onto a carboxylated siloxane in a form such as the germanium ester form, which has a COOGe bond. The germanium mole content ranges from 1 mol % to 50 mol %. The groups attached to silicon and/or germanium include alkyl, alkenyl, and carboxyalkyl and their derivatives. In the materials with pendant carboxylic acid groups, the protons can be replaced by metal ions such as an alkali, alkaline earth, transition metal, or rare earth metal ions. The materials can be crossinked, with the crosslinking being initiated by ultraviolet light or other means with or without a photoinitiator.

Abstract: Provided is an electrically conductive inorganic polymer containing at least one alkali metal or alkaline earth metal and at least one of the metals selected from the IVth to XIth subgroup and IIIrd to Vth main group starting with atom number 31.

Abstract: A composition for the detackification and clarification of acid and alkaline paint and lacquer waste waters and paint spray booth wastes, comprising:an inorganic-organic and/or organic adduct alloy polymer composition having the formula:A.multidot.B.sup.+ .multidot.D.sup.+wherein: A=[(SiO.sub.2 /Me.sup.I.sub.2 O).sub.u Me.sup.II.sub.m Me.sub.m.sup.III(OH).sbsp.p.sup.(SO.sbsp.4.sup.).sbsp.y.sup.(Aci) (2m+3n)-p-2y].sub.rwhere r=1 to 98% bw; u=0 to 10% bw; ##STR1## where: x=0 to 98% bw; Z is a divalent substituted or unsubstituted aliphatic, cycloaliphatic, heterocyclic or aromatic radicalD.sup.+ =(PQAM).sub.wwherew=2 to 98% b.w. of polyquaternized polymer (PQAM)Me.sub.m.sup.II is selected from the divalent cationic group comprising: Mg, Zn, Ca, and Fe.sup.2+m=0 to 5Me.sub.n.sup.III is a tri-or more valent metal selected from the group comprising: Fe, Al, and Al--Zn complexes;n=1 to 20Aci is selected from the monovalent anionic group comprising Cl.sup.-, Br.sup.-, I.sup.-, NO.sub.3 --, H.sub.2 PO.sub.4 --, CH.

Abstract: Organopolysiloxane particles useful as catalysts, are cross-linked, comprise a single molecule, have chemically bound metallic compounds and an average diameter of from 5 to 200 nm and are soluble in at least one solvent chosen from dichloromethane, pentane, acetone, ethanol and water to at least 1% by weight. At least 80% of the particles have a diameter which deviates a maximum of 30% from the average diameter.

Abstract: Organometallic linear polymers containing metallocene, inorganic units (such as silicon and boron), and acetylenic units which display superb processability, and which are readily converted to a thermoset through the acetylenic groups, yielding high temperature thermosetting polymers and ceramics that exhibit outstanding long-term thermal (high char yield) and magnetic properties and synthesis of these.

Abstract: Group 4 metal-containing organosilicon dendrimers are described. Also described are methods for synthesizing the dendrimers. The dendrimers can be useful in several applications including as olefin polymerization and copolymerization catalysts and as silane polymerization catalysts.

Abstract: A synthetic process for the selective preparation of reactive polyhedral oligomeric silsesquioxanes (POSS) as well as polyhedral oligomeric silicate (POS) (spherosilicate) is provided. The method claimed herein employs metal catalyzed metathesis reactions for the selective reaction of .alpha.-olefin containing polyhedral oligomeric silsesquioxanes or silicates with olefinic reagents bearing functionalities useful for grafting reactions, polymerization chemistry and sol-gel processes. The use of metal catalyzed metathesis chemistry to form both linear or network polyhedral silsesquioxane polymers directly from .alpha.-olefin-containing polyhedral oligomeric silsesquioxanes is also described.

Abstract: A synthetic process for the selective preparation of reactive polyhedral oligomeric silsesquioxanes (POSS) as well as polyhedral oligomeric silicate (POS) (spherosilicate) is provided. The inventive process employs the use of metal catalyzed hydrosilylation reactions for the selective reaction of silane containing polyhedral oligomeric silsesquioxanes or silicates with olefinic reagents bearing functionalities useful for grafting reactions, polymerization chemistry and sol-gel processes. The invention also discloses metal-catalyzed hydrosulfidation reactions and metal-catalyzed hydrophosphidation reacttions for functionalization of polycyclic silicones.

Abstract: A process for producing carboxylic acid esters by the following steps:a) preparation of a reaction mixture containing an alcohol and a carboxylic acid and/or a carboxylic anhydride and/or a carboxylic acid ester and or a partially esterified carboxylic acid,b) heating of this mixture to the suitable reaction temperature in the presence of a solid polysiloxane insoluble in the reaction medium and having sulphonic acid groups with intensive thorough mixing accompanied by continuous separation of the reaction water which forms, wherein the polysiloxane used as the catalyst in modified by treatment with a soluble aluminum, titanium or zirconium compound, and the spherical particles thereof have a diameter of 0.01 to 3 mm, a specific surface of 0.1 to 1200 m.sup.2 /g, a specific pore volume of 0.01 to 6.0 ml/g and a bulk density of 50 to 1000 g/l.

Abstract: Provided is a radiation-curable primer coating composition, which is adapted to provide a printable primer coating on a polyolefin surface that is functionally resistant to delamination from the polyolefin surface over the temperature range from heat pasteurization temperatures to freezer storage temperatures. The primer composition being formulated from the following components:at least one monomer or oligomer having at least one functional group that polymerizes when exposed to radiation; andan effective amount of at least one zirconate or titanate, or a mixuture of a titanate and zirconate, to increase adhesion of the radiation-cured primer coating to said polyolefin surface.

Abstract: A glass composite material comprising a polymer chain selected from the group consisting of polysilane, polygermane, polystannane and a copolymer thereof, and a network structure of a metal oxide consisting of a metal atom bonded to the other metal atom through an oxygen atom, wherein the polymer chain is chemically crosslinked with a glass matrix of the network structure of the metal oxide directly or indirectly, and a volume resistivity measured by setting a ratio of a voltage to a film thickness at 10.sup.6 V/cm according to a disc plate electrode method is not more than 3.times.10.sup.6 .OMEGA.cm.

Abstract: An anti-fogging coating composition contains (a) an inorganic alkoxide and/or a hydroxyl group-containing polymer formed therefrom by hydrolysis and polycondensation, the inorganic alkoxide being represented by the formula (I):M(OR).sub.n (X).sub.a-n (I),wherein M is an inorganic element selected from the group consisting of Si, Al, Ti, Zr, Ca, Fe, V, Sn, Li, Be, B and P; R is an alkyl group; X is an alkyl group with or without functional groups or a halogen atom; a is a number representing the valence of M; and n is an integer from 1 to a; (b) a polyalkylene oxide, a weight ratio of the polyalkylene oxide to the inorganic alkoxide and/or the hydroxyl group-containing polymer being 100/1-100/150; (c) 0.5 parts by weight or less of an acid catalyst per 100 parts by weight of (a); (d) 0.

Abstract: Thermally stable thermosets are formed from novel linear polymer containing acetylenic units and a random distribution of organotransition metal complexes, siloxane, boron, and/or carborane-siloxane units formed by crosslinking of the linear copolymers through the acetylene units in the polymer backbone. The thermosets can be used as structural components in high temperature and oxidizing environments or as pyrolytic precursors to metal containing ceramics, ceramic films and fibers having enhanced strength and toughness with superior mechanical, optical, electrical and/or magnetic properties.

Abstract: The invention relates to viscous, aluminium-containing liquids suitable for roducing gel threads, filaments or fibres, a process for the production thereof and the use thereof for the production of alumina-containing, inorganic fibres. The liquids according to the invention comprise one or more partly or completely hydrolytically condensable compounds of aluminium and optionally further elements and/or precondensates derived from said compounds. The hydrolytically condensed Al-compounds are derived from compounds of formula (I)Al(OR*).sub.3 (I)in which the radicals R* stand for propyl or butyl in that the Al(OR*).sub.3 is reacted with an alcohol of formulas (II) or (III): ##STR1## in which R.sup.1 stands for an alkyl radical, R.sup.2 for an alkylene radical and X is O, S or NR.sup.3, with R.sup.3 being hydrogen or alkyl. The resulting Al-compounds are complexed with a low molecular weight carboxylic acid and hydrolytically condensed.

Abstract: Scavengers for removing acidic or corrosive gaseous components from semiconductor process effluents comprising a metallic macromer comprising a coordinated complex of (i) metal coordination atoms linked to (ii) oxomeric moieties selected from the group consisting of carbonate, sulfite, carboxylate, and silicate, and methods for synthesizing these scavengers. A method for cleaning an exhaust gas containing least one corrosive or acidic gaseous component selected from the group consisting of hydrogen halide, chlorine, boron trihalide, thionyl chloride, and tungsten hexafluoride, which comprises contacting the exhaust gas with the metallic macromer scavenger compositions.

Abstract: Dental inorganic-organic composite fillers are disclosed, which do not scatter a visible light of from 360 to 830 nm in the particles thereof, has a refractive index nD by the D-line of sodium in the range of 1.460.ltoreq.nD.ltoreq.1.600, and which is represented by the following mean empirical formula:aM.sup.1 O.sub.x/2 .multidot.bSiO.sub.2 .multidot.cM.sup.2 O.sub.(4-i-j)/2 R.sup.1.sub.i R.sup.2.sub.jwhereinM.sup.1 is one or more members selected from Ti, Zr, Y, La, Ta, and Al, which is bonded to Si or M2 via the crosslinked oxygen; and x is a valence of M.sup.1 ;M.sup.2 is Si and/or Ti;R.sup.1 is a non-functional group; and R.sup.2 is an organic compound reacted with an organic functional group;i is 0, 1, or 2; and j is 1, 2, or 3, provided that i and j are satisfied with 1.ltoreq.(i+j).ltoreq.3; anda, b, and c are each a molar ratio, provided that a, b, and c are satisfied with 0.ltoreq.a/(a+b).ltoreq.0.65 and 0.02.ltoreq.c/(a+b).ltoreq.3.0.

Abstract: The present invention provides an inorganic-organic hybrid material having both the characteristics of the inorganic material and the characteristics of the organic material. The material has a lamellar structure formed by piling a sheet of silicon tetrahedrons upon a sheet of titanium octahedrons. In this lamellar structure, an organic group is bonded to a center atom of a tetrahedron via a covalent bond. The organic group can be polymerized to make the organic phyllotitanosilicate a tough and hard coating material. The hybrid material of the present invention thus has both the characteristics, such as high hardness and heat resistance, of the constitutive inorganic material and the characteristics, such as flexibility and filmability at room temperature, of the constitutive organic material, and further has an excellent UV-blocking property.

Abstract: A glass composite material comprising a polymer chain selected from the group consisting of polysilane, polygermane, polystannane and a copolymer thereof, and a network structure of a metal oxide consisting of a metal atom bonded to the other metal atom through an oxygen atom, wherein the polymer chain is chemically crosslinked with a glass matrix of the network structure of the metal oxide directly or indirectly, and a volume resistivity measured by setting a ratio of a voltage to a film thickness at 10.sup.6 V/cm according to a disc plate electrode method is not more than 3.times.10.sup.6 .OMEGA.cm.

Abstract: The present invention provides crosslinkable compositions comprising(A) an organosilicon compound having radicals containing aliphatic carbon-carbon multiple bonds,(B) an organosilicon compound having Si-bonded hydrogen atoms,(C) a catalyst which promotes the addition of Si-bonded hydrogen onto aliphatic multiple bond, and optionally(D) an agent which retards the addition of Si-bonded hydrogen onto aliphatic multiple bond at room temperatureand to the use of the crosslinkable compositions for producing coatings which repel tacky substances.The present invention also relates to organosilicon compounds having Si-bonded hydrogen atoms, and to a process for their preparation.

Abstract: The present invention relates to a lacquer obtained by the process comprising the steps of: (i) precondensation of: a) 1 to 10 mol % of at least one zirconium compound of the formula ZrR.sub.4 ; b) 20 to 94 mol % of at least one organic silane of the formula R".sub.m (R'"Y).sub.n SiX.sub.(4-m-n) ; c) 5 to 30 mol % of at least one organic silane of the formula R".sub.p SiX.sub.4-p ; d) optionally 0 to 10 mol % of at least one low-volatility metal oxide; and (ii) hydrolysis condensation of the precondensate of step (i) in the presence of 0 to 50% of the stoichiometric amount of water. The invention also relates to a process for the obtention of a coating on substrate which comprises the steps of applying the lacquer and curing same. The invention also relates to the thus-coated substrates.

Abstract: Processes of preparing polymeric photoinitiators are disclosed. The polymers are prepared by either a hydrosilation reaction of a SiH containing siloxane or a ring opening reaction of an epoxy functional siloxane. The resulting polymeric photoinitiators are cationic polymers consisting of organometallic complex salts which are grafted onto a polyorganosiloxane backbone.

Abstract: A hybrid material includes a layer containing an octahedral sheet comprising octahedra linked with each other to provide a sheet-like structure and a tetrahedral sheet comprising tetrahedra linked with each other to provide a sheet-like structure; and an organic portion bonded by covalent bond to an element located at the tetrahedral site of the tetrahedra constituting the layer; each of the octahedra having an element at the octahedral site thereof with a valence in the range of from 3.5 to 4.5 on average over the entire octahedral sheet, and each of the tetrahedra having an element at the tetrahedral site thereof with a valence in the range of from 4.5 to 5.5 on average over the entire tetrahedral sheet. A process for fabricating the hybrid material and a process for controlling the content of the organic and inorganic components of the hybrid material are also provided. Any type of organic component is allowed to be incorporated in the hybrid material.

Abstract: The present invention relates to novel reaction products of azlactones and organometallic nucleophiles and the method of making these reaction products. The invention also relates to methods of using such reaction products to prevent or eliminate microbial and fungal growth on substrates. Reaction products can be provided that show improved antifouling and antimicrobial action.

Abstract: A novel photoinitiator which includes an organometallic complex salt grafted onto a polyorganosiloxane skeleton is provided.

Abstract: A method of making an organopolysiloxane sheet or tube polymer involves contacting a sheet or tube silicate with an organo-H-chlorosilane to form an organosiloxane sheet or tube polymer with pendent .tbd.Si--H groups. Subsequently, the organosiloxane sheet or tube polymer with pendent .tbd.Si--H groups is contacted with an alkenyl group containing compound in the presence of a hydrosilation catalyst. The catalyst is used in an amount effective to catalyze a hydrosilation reaction between the alkenyl group on the alkenyl group containing compound and the hydride functionality on the organosiloxane sheet or tube polymer with pendent .tbd.

Abstract: Organopolysiloxane sheet or tube polymers are made by contacting a sheet or tube silicate with an alkenyl group containing chlorosilane to form an alkenylsiloxy polymer, and subsequently contacting the alkenylsiloxy sheet or tube polymer with a hydrosilane or hydrosiloxane in the presence of a hydrosilation catalyst, to catalyze a reaction between the alkenyl group on the alkenylsiloxy polymer and hydride functionality on the hydrosilane or hydrosiloxane. Silylalkoxysiloxane sheet or tube polymers are made by contacting a sheet or tube silicate with an acidic solution of an alkenyl alcohol to form a polymeric sheet or tube alkenyloxysiloxane, and subsequently contacting the alkenyloxysiloxane with a hydrosilane or hydrosiloxane in the presence of a hydrosilation catalyst, to catalyze a reaction between the alkenyl group on the alkenyloxysiloxane and hydride functionality on the hydrosilane or hydrosiloxane.

Abstract: A synthesis process for polysilsesquioxanes which produces a high yield, tractable copolymer of perfectly alternating silsesquioxane and bridging group segments is provided. A difunctional silsesquioxane monomer of the formula Si.sub.8 R.sub.8 O.sub.11 (OA).sub.2 or Si.sub.7 R.sub.7 O.sub.9 (OSiR.sup.4 R.sup.5 R.sup.6) (OA).sub.2 is reacted with a difunctional compound of the formula X-M-X which forms a bridging group for a time sufficient to condense the difunctional silsesquioxane monomers and bridging groups into a linear polymer containing alternating silsesquioxane and bridging group segments. The resulting linear copolymer is essentially free of impurities and has controllable properties through the proper selection of the monomeric starting materials.

Abstract: The present invention relates to polymeric multinary azanes built up from units of the general formula [E(NR.sup.1 R.sup.2).sub.a (NR.sup.3).sub.b/2 ], wherein E may be B,Al,Ga,In,Si,Ge,Ti, Zr, Hf,V,Nb,Ta,Cr,Mo or W and R.sup.1,R.sup.2,R.sup.3 may be H, C.sub.1 -C.sub.6 alkyl, vinyl or phenyl; methods for the preparation of these polymers and their use as precursors for high-performance ceramics.

Abstract: An aluminum-nitrogen polymer is prepared by reacting an organic nitrile with a dialkylaluminum hydride to form an organoaluminum imine, and heating the imine to a temperature of 50.degree. to 200.degree. C. for at least 2 hours. The polymeric product can be subjected to an additional heat treatment to form a more highly cross-linked polymer. After either heat treatment the polymeric product can be further reacted with a primary amine or ammonia. The organoaluminum imine as well as the aminated or non-aminated polymers can be pyrolyzed to form an aluminum nitride-containing ceramic.

Abstract: Disclosed are aqueous solutions of polymeric organosiloxane-ammonium compounds which possess ion exchange properties and a method for manufacture from solid organopolysiloxanes. The solutions are used in the hydrophobing treatment of inorganic materials and building materials.

Abstract: The invention is a method for the preparation of organic solvent-soluble polytitanosiloxanes that contain units with the formulas R.sup.1.sub.a R.sup.2.sub.(3-a) SiO.sub. 1/2 (M units), SiO.sub. 4/2 (Q units) and TiO.sub. 4/2. The method comprises hydrolyzing tetraalkyl titanate or a partial hydrolyzate-condensate thereof and tetraalkyl silicate or a partial hydrolyzate-condensate thereof using water in an amount which is less than 80% of the amount theoretically necessary for the hydrolysis of all the alkoxy groups, and reacting the cohydrolyzate-cocondensate with at least 1 silane compound with the formula R.sup.1.sub.a R.sup.2.sub.3-a) SiOR.sup.3, where in the preceding formulas, R.sup.1 is the hydrogen atom or a monovalent organic group, R.sup.2 is a monovalent organic group, R.sup.3 is the hydrogen atom or an acyl group having no more than 8 carbon atoms, and a is an integer with a value of 0 to 3.

Abstract: A layered inorganic-organic polymer having the features of both inorganic and organic materials and a coating material produced therefrom. The former is produced, for example, by reacting an organoalkoxysilane having alkoxyl groups and organic groups with a metal salt or alkoxide in an alkaline solution. This reaction yields a layered inorganic-organic polymer composed of one or two sheets of tetrahedrons with a central atom of Si or a metal and a sheet of octahedrons with a central atom of a metal, part or all of the central atoms of the tetrahedrons being covalently bonded to organic groups. If the organic group is one which contains a functional group capable of polymerization, the resulting layered inorganic-organic polymer may be polymerized with a functional group to give a firm coating material. The functional group of the organic group may be bonded to an organic compound.

Abstract: There is disclosed a method for producing organoplatinum polymers by reacting 5,6,11,12-tetradehydrodibenzo a,e!cyclooctenes with platinum complexes. The organoplatinum polymer thus obtained has .pi.-coordinated acetylene in the main chain, and is expected to be used as electronic materials, nonlinear optical materials, and polymer platinum complex catalysts, that can be used in air.

Abstract: A method for coupling tin-containing molecules via a Sn--Sn bond is described. The invention employs dehydrocondensation to link the Sn atoms of two molecules to form tin dimers as well as novel high molecular weight organotin polymers. In a preferred embodiment, catenated tin polymers are formed from hydrostannane precursors in the presence of a suitable metal catalyst. A particularly preferred method involves coupling dialkylstannane monomers in the presence of a metallocene catalyst to form polystannanes. Preferred catalysts include electropositive metals, such as Zr and Hf. The polystannanes are photolabile, decomposing readily under room light conditions.