Abstract: A polyester resin produced by polycondensing a dicarboxylic acid component containing an aromatic dicarboxylic acid or its ester-forming derivative as the main component and a diol component containing ethylene glycol as the main component in the presence of at least an antimony compound and a phosphorus compound, via an esterification reaction or an ester exchange reaction, which is characterized in that the amount of antimony eluted when immersed in hot water of 95° C. for 60 minutes in the form of particles having a number average particle weight of 24 mg, is not more than 1 &mgr;g per 1 g of the polyester resin, as antimony atoms (Sb).

Abstract: Fluoropolymer resin is stabilized and/or whitened by addition of a small amount of alkali metal nitrate prior to extrusion. The nitrate can be introduced during polymerization, isolation, or preparation of extruder feed.

Abstract: It is the object of the present invention to provide a curable composition capable of giving a polymer electrolyte showing a high level of ionic conductivity and excellent mechanical strength as well. The invention provides a curable composition for polymer electrolyte which comprises the following constituents (A) to (D) as essential constituents: (A) a polysiloxane having a polyethylene oxide structure-containing group and/or a cyclic carbonate structure-containing group as a substituent on a silicon atom and having two or more SiH groups; (B) a compound having at least one structure selected from the group consisting of a phenylene unit, a siloxy linkage, an Si—N bond, a carbonyl group, an amide linkage and an amino group and having two or more alkenyl groups; (C) a hydrosilylation catalyst; and (D) an electrolyte salt compound.

Abstract: The present invention is a process for making a low color copolymer of ethylene glycol, isosorbide and terephthalic acid or dimethyl terephthalate. This copolymer, poly(ethylene-co-isosorbide) terephthalate, is useful for making bottles, hot-fill containers, films, sheet, fiber, strand and optical article applications. It can also be used to make polymer blends and alloys.

Abstract: By the present invention, there are provided a catalyst for polyester preparation, which comprises a solid titanium compound containing titanium, oxygen, carbon and hydrogen and having a Ti—O bond and which has a maximum solubility in ethylene glycol, as measured when the catalyst is dissolved in ethylene glycol under heating at 150° C., of not less than 3,000 ppm in terms of a titanium atom, a catalyst for polyester preparation, which comprises a titanium-containing solution wherein a contact product of a hydrolyzate of a titanium halide or a hydrolyzate of a titanium alkoxide with a polyhydric alcohol is dissolved in ethylene glycol in an amount of 3,000 to 100,000 ppm in terms of a titanium atom, a process for preparing a polyester using the catalyst, and a polyester prepared by the process.

Abstract: There are provided an inorganic filler, multi-functional filler, an organic compound filler, a modified filler, and a dental coloring filler suitable in use as a filler in a dental composition, compositions having a resin matrix of an organic polymer material, as well as a process for producing the same. Disclosed are an inorganic filler which comprises an inorganic fine particle, wherein the surface of the inorganic fine particle is covered with polysiloxane. Also disclosed is a multi-functional filler which comprises an inorganic fine particle containing an acid reactive element, wherein a cement reactive phase is formed on the surface of the inorganic fine particle, and the cement reactive phase is further covered with polysiloxane. Also disclosed is an organic compound filler which comprises an organic-inorganic polymer particle or an organic polymer particle, wherein the surface of the organic-inorganic polymer particle or an organic polymer particle is covered with an inorganic film.

Abstract: The present invention relates to mixtures prepared from (A) at least one linear, branched, or cyclic monomeric organosilane having at least two silicon atoms with hydrolyzable and/or condensation-crosslinking groups in which the silicon atoms are bonded to one another through at least one carbon atom in a linking unit, and (B) at least one boron- and/or aluminum-containing compound having the formula (I) RxM(OR′)3-x  (I)  wherein M is Al or B, x is 0, 1, or 2, R is C1-C6-alkyl, C6-C12-aryl, or (O)1/2, with the proviso that if R is (O)1/2, then the compound of the formula (I) is a chain when x is 1 and a cyclic or cage-form compound when x is 2, and each R′ is independently H, C1-C10-alkyl, or C6-C12-aryl. The invention further relates to hybrid materials prepared from such mixtures and to coatings produced therefrom.

Abstract: The invention provides for the use of non-copolymerizable hydroperoxides of the formula R—O—O—H as regulators in the free-radically initiated polymerization of ethylenically unsaturated monomers, where R is H, a C1-C18-alkyl radical, a C7-C22-aralkyl radical or a saturated or unsaturated carbocyclic or heterocyclic ring having from 3 to 18 carbon atoms, and may be substituted or unsubstituted.

Abstract: The invention relates to a method for producing an aliphatic polyester, utilizing starch as a raw material. The invention produces an aliphatic polyester by the steps of hydrolyzing starch to obtain glucose, oxidizing the glucose to obtain gluconolactone or gluconic acid, reducing the gluconolactone or the gluconic acid to obtain caproic acid, chlorinating the caproic acid to obtain 6-chlorocaproic acid, cyclizing the 6-chlorocaproic acid to obtain &egr;-caprolactone, and executing ring-opening polymerization of the &egr;-caprolactone.

Abstract: This invention provides improved methods and compositions for achieving material coloration using particle scattering. These coloration effects can be designed to be either highly stable or dependent upon the switching effects of either temperature, integrated thermal exposure, moisture absorption, or exposure to actinic radiation. Articles employing materials with these coloration effects are described. Composition comprise a solid, light-transmitting matrix component having a non-liquid particle scattering colorant dispersed. Articles are produced wherein another solid second matrix component has an electronic transition colorant dispersed therein and the first and second compositions are disposed on one another and optionally interpenetrate each other. Colored articles are produced in the form of fibers, films and molded articles.

Abstract: Process that is capable of synthesizing a metal-containing resin having a good antifouling property in a short period of time without having such problems associated with the synthesis as gelation. The process for producing a metal-containing resin by conducting a copolymerization reaction of a monomer mixture (A) comprising 1 to 50% by weight of a carboxyl group-containing polymerizable unsaturated monomer (a) and 50 to 99% by weight of other polymerizable unsaturated monomer (b) in an organic solvent in the presence of water and an oxide or hydroxide of a metal having a valency of at least 2, wherein the amount of water is 1 to 30 parts by weight based on 100 parts by weight of the monomer mixture (A), and the formation of a metal carboxylate bond occurs together with the copolymerization of the monomer mixture (A); and an antifouling coating composition containing, as an active constituent, a metal-containing resin obtained by the production process.

Abstract: Disclosed are a cyanate ester based resin-containing insulating composition, an insulating film made therefrom and a multilayer printed board having the insulating film. The insulating composition comprises 1-75% by weight of epoxy resin, 1-60% by weight of cyanate ester resin, up to 20% by weight of a filler, a curing agent and a metal catalyst, from which the insulating film can be prepared, and the film-applied multilayer printed board can be manufactured. Use of epoxy resins having excellent electrical properties and cyanate ester based resins having high heat resistance causes the reaction of hydroxy groups in some epoxy resins with cyanate ester, thus forming such net structures as to increase the heat resistance of the insulating composition, the insulating film and the multilayer printed circuit board.

Abstract: A resin composition which comprises 100 parts by weight of a synthetic resin and 50 to 1,500 parts by weight of magnesium oxide particles, wherein the magnesium oxide particles satisfy the following requirements (i) to (v): (i) an average secondary particle diameter of 0.1 to 130 &mgr;m, (ii) a BET method specific surface area of 0.1 to 5 m2/g, (iii) a total content of an Fe compound and an Mn compound of 0.01 wt % or less in terms of metals, (iv) an Na content of 0.001 wt % or less, and (v) a Cl content of 0.005 wt % or less, and a molded product formed therefrom. Since the resin composition of the present invention has excellent flame retardancy, heat conductivity and water resistance, it is advantageously used as a material for sealing a heat generating electronic member such as a semiconductor.

Abstract: A cationically polymerizable resin composition which comprises (A) a compound containing at least one ring selected from the group consisting of an oxirane ring and an oxetane ring; (B) an onium salt; (C) an organic peroxide; and (D) an alkaline filler except for a hydroxide.

Abstract: A conductive composition for a biological electrode is capable of reducing the impedance between the electrode and the skin. A conductive gel composition for a biological electrode which is capable of electrically and physically connecting a living body to an electrode element and is composed of at least the following components: (1) a radical-polymerizable unsaturated compound; (2) a moisturizer serving as a plasticizer and functioning to supplementing and promoting the physiological humidifying function of the horny layer; (3) a polymerization initiator; and (4) a crosslinking agent. This moisturizer serves also as a plasticizer and, furthermore, elevates the moisture content in the horny layer at the application of this composition. The above-mentioned composition may further contain a plasticizer selected from among polyhydric alcohols, amines and ethers.

Abstract: This invention relates to a process for the production of a polyurethane elastomer by reacting a reaction mixture comprising (A) an isocyanate-reactive component having a molecular weight of 400 to 12,000, a functionality of about 2 to about 8 and being capped with 13 to 21% by weight of ethylene oxide, wherein the isocyanate-reactive groups are hydroxyl groups, amine groups or mixtures thereof; (B) an isocyanate-reactive component comprising (1) an isocyanate-reactive component containing at least two hydroxyl groups and having a molecular weight of from 62 to 399, and (2) an isocyanate-reactive component selected from the group consisting of (a) an isocyanate-reactive group containing tertiary amine polyether corresponding to a specific formula, (b) at least one organic amine compound containing at least two amine groups which are reactive with isocyanate groups; (C) potassium halide; (D) an internal mold release agent; (E) at least one catalyst, and (F) a polyisocyanate component.

Abstract: Physical properties, such as melting temperature of MPO compositions may be significantly modified by modifying the weight percentage of one or more of the constituent MPOs. For example, removal of a significant portion of the tetramer can afford low melting MPO compositions. In one aspect, the invention is related to a method for modifying a physical property of a MPO composition that includes the steps of (a) providing a composition that has at least two species of MPOs, and (b) changing the weight percentage of at least one species of the MPOs in the composition. In another aspect, the invention is related to a MPO composition that includes at least two species of MPOs where a species of the MPOs having the highest melting temperature is present in an amount less than or equal to 5%.

Abstract: The present invention provides to an organo-bridged ladderlike polysiloxane having the following formula: and a tube-like organosilicon polymer, complexes thereof and the method for producing the same.

Abstract: An aliphatic polyester is provided which is manufactured by a process comprising a step of hydrolyzing cellulose so as to form D-glucose, a step of forming gluconolactone represented by the formula (II) from the D-glucose, and a step of performing ring-opening polymerization of the gluconolactone so as to form an aliphatic polyester represented by the formula (I). In the formulas above, R represents a hydrogen atom, an acetyl group, or a linear or a branched alkyl group having 1 to 3 carbon atoms, and the subscript n is an integer of 10 to 6,000.

Abstract: A heat curable silicone rubber composition, having improved resistance to engine coolants and oils, including long-life coolants and synthetic motor oils, comprises: (A) 100 parts by weight of an organosiloxane polymer base comprising an organosiloxane polymer containing at least 2 silicon-bonded alkenyl groups in each molecule and 1 to 65 weight percent reinforcing silica filler, (B) curing component sufficient to cure the composition when heated, and (C) an effective amount of at least one metal salt additive selected from the group consisting of monobasic alkali metal phosphates, alkali metal oxalates, alkali metal tartrates, alkali metal tetraborates, alkali metal phthalates, alkali metal citrates; dibasic metal phosphates where the metal is selected from the group consisting of sodium, potassium, calcium and magnesium; metal acetates, where the metal is selected from the group consisting of sodium, potassium, calcium, magnesium; metal sulfates where the metal is selected from the group consisting of s

Abstract: Submicron sized particles of poly(methyl methacrylate) are prepared by a surfactant-free semi-continuous emulsion polymerization process that involves (i) preparing an aqueous phase containing a free radical initiator in water by heating and stirring, (ii) preparing a monomer composition containing at least 80% by weight methyl methacrylate and 1 to 10% by weight of a crosslinking agent, (iii) adding the monomer composition to the aqueous phase to initiate emulsion polymerization of the monomer composition, the adding being done at a rate such that from 0.05% to 5% by weight of the total weight of the monomer composition is added per minute, (iv) continuing heating and stirring following completion of the adding of the monomer composition for an amount of time, and (v) drying and recovering the submicron sized particles of poly(methyl methacrylate). The submicron sized particles of poly(methyl methacrylate are used in forming a coating of carrier particles for a two-component developer composition.

Abstract: The present invention relates to mixtures prepared from (A) at least one linear, branched, or cyclic monomeric organosilane having at least two silicon atoms with hydrolyzable and/or condensation-crosslinking groups in which the silicon atoms are bonded to one another through at least one carbon atom in a linking unit, and (B) at least one boron- and/or aluminum-containing compound having the formula (I) RxM(OR′)3−x  (I)  wherein M is Al or B, x is 0, 1, or 2, R is C1-C6-alkyl, C6-C12-aryl, or (O)½, with the proviso that if R is (O)½, then the compound of the formula (I) is a chain when x is 1 and a cyclic or cage-form compound when x is 2, and each R′ is independently H, C1-C10-alkyl, or C6-C12-aryl. The invention further relates to hybrid materials prepared from such mixtures and to coatings produced therefrom.

Abstract: The process for producing polyesters, and in particular, polyethylene terephthalate (PET) which includes the use of antimony catalyst that is acidic phosphorus additive involves the addition of the catalyst prior to or together with the additive. Moreover, the amount of additive is selected so as to provide a resin that is at least substantially free of non-acidic inorganic compounds such as antimony phosphate which can be formed by the reaction of the catalyst with the additive. The process preferably includes an esterification step, a prepolymer step, and a polymerization step with the antimony catalyst being added prior to, during, or after, the esterification step while the phosphorus-containing additive is introduced prior to or during the prepolymer stage. Polyesters having low levels of elemental phosphorus are also disclosed.

Abstract: This invention relates to a method for manufacturing polyesters, in particular, to using a lithium titanyl oxalate as the catalyst for such reaction to provide fast reactions with excellent color properties for the resulting polyester. The present invention provides an improved method of producing polyester by the polycondensation of polyester forming reactants wherein the improvement comprises utilizing, as the polycondensation catalyst, lithium titanyl oxalate. The improved process produces a polyester of improved color versus other titanyl oxalate catalysts and a novel polyester without the presence of antimony.

Abstract: This invention relates to a method for manufacturing polyesters, in particular, to using a lithium titanyl oxalate as the catalyst for such reaction to provide fast reactions with excellent color properties for the resulting polyester. The present invention provides an improved method of producing polyester by the polycondensation of polyester forming reactants wherein the improvement comprises utilizing, as the polycondensation catalyst, lithium titanyl oxalate. The improved process produces a polyester of improved color versus other titanyl oxalate catalysts and a novel polyester without the presence of antimony.

Abstract: A composite material is described which contains polymerizable monomers plus a special transparent glass having high release of calcium ions and fluorine ions and, because of this release property and in particular of its optical properties, can be used as a restoration material in dentistry.

Abstract: The present invention is directed to a tintable coating composition, comprising an admixture of: (A) about 2 to about 80 wt % of a carboxylated urethane polymer dispersion mixture made from 1,6-hexanediol and 4,4-methylenebis(cyclohexylisocyanate); (B) about 5 to about 65 wt % of a hydroxylated methylmethacrylate acrylic polymer emulsion; (C) about 0.1 to about 3 wt % of a crosslinking agent, the crosslinking agent comprising an aziridine-based crosslinking compound; and (D) optionally, about 0.5 wt % to about 25 wt % of a solvent; all percentages based on the total weight of the coating composition. The coating composition of the present invention may be used as a clear coating, or may include a decorative component such as dyes, pigments, colorants, metal flakes, metal powders, glass flakes, glass powders, and combinations thereof, that add a decorative or colored characteristic to the disclosed coating composition.

Abstract: The present invention provides a catalyst for polyester production capable of producing a polyester with high catalytic activity and a process for producing a polyester using the catalyst. The catalyst for polyester production comprises a solid titanium compound which is obtained by dehydro-drying a hydrolyzate obtained by hydrolysis of a titanium halide and which has a molar ratio (OH/Ti) of a hydroxyl group (OH) to titanium (Ti) exceeding 0.09 and less than 4. The present invention also provides a method to obtain a polyester having a small increase of the acetaldehyde content during the molding. This method comprises bringing a polyester, which is obtained by the use of a titanium compound catalyst and in which the reaction has been completed, into contact with a phosphoric ester aqueous solution or the like having a concentration of not less than 10 ppm in terms of phosphorus atom.

Abstract: The invention relates to a process for the preparation of polyesters of a glycol and a dicarboxylic acid which comprises the following steps:

Abstract: Polyesters may be prepared by reacting an amyl diiodide, an aliphatic or aryl diol and carbon monoxide in presence of a catalyst and an organic base. The process is preferentially carried out in a solvent. The catalyst is a heterogeneous catalyst containing a metal selected from a group containing Palladium, Platinum, Nickel and Cobalt. Following the formation of polyester, the catalyst can be easily separated and efficiently recycled.

Abstract: Copolyesters are prepared using cyclic esters or carbonates as monomers and a metallic salt of the formula Me2+X2 as catalyst. Me2+ represents Ca, Fe(II), Mg, Mn(II) or Zn, and X is an anion of an aminocarboxylic acid, hydroxycarboxylic acid or a halide. Monomer and catalyst are used in a monomer/catalyst ratio of greater than 100.

Abstract: The present invention relates to rubber compounds comprising one or more soluble rubbers, hydrophobized filler, and one or more sulfane-silane compounds on an inorganic or organic support and to a process for making them. The novel rubber compounds are suitable for moldings of every kind, especially tires or tire treads having low rolling resistance and high resistance to abrasion.

Abstract: The invention relates to the use of thermoplastic polyester molding compounds, containing A) 80 to 100 wt. % of a polyalkylene arylate, especially polybutyleneterephthalate, with a half-width of crystallization heat releases of ≦5° C. and B) 0 to 20 wt. % of other additives, the weight percentages of constituents A) and B) adding up to 100%, for producing molded bodies by blow-molding, profile extrusion and/or pipe extrusion. A preferred use for the inventive molding compounds is the production of light guide sheathing. The invention also relates to a 3-stage method for producing the polyesters as follows: a) esterification or re-esterification of an aromatic dicarboxylic acid or its derivative and a glycol; b) precondensation; and c) polycondensation to a viscosity number of at least 158 ml/g. The reaction is carried out in at least 2 temperature zones in stages a) and b).

Abstract: A process for preparing polytrimethylene terephthalate in which a carbonyl-containing 1,3-propanediol stream is purified for reuse of the 1,3-propanediol. The process involves reacting, under condensation polymerization conditions, terephthalic acid and a molar excess of 1,3-propanediol, with vacuum distillation and condensation of a major portion of the unreacted 1,3-propanediol. To this condensed stream is added a sufficient amount of base to raise the pH to a value greater than 7, and from this base-containing condensate the 1,3-propanediol is distilled and recycled to the polymerization reaction.

Abstract: A radiation-curable formulation employs an electrically conductive primary filler, comprised of elements of elongate form and having surfaces that reflect the actinic radiation to which the photoinitiator employed is responsive, and a secondary filler that is electrically semiconducting and is substantially transparent to the actinic radiation; silver-coated cylindrical fibers or rods will typically constitute the primary conductive filler. Solid deposits cured from the formulation may function, for example, as sealing elements, gaskets, solder joints, and coatings.

Abstract: The present invention is directed to a tintable coating composition, comprising an admixture of (A) about 2 to about 80 wt % of a carboxylated urethane polymer mixture made from 2,6-hexanediol and 4,4-methylenebis (cyclohexylisocyanate); (B) about 5 to about 65 wt % of a hydroxylated methylmethacrylate acrylic polymer; (C) about 0.2 to about 10 wt % of an epoxylated silane cross-linking agent; and (D) optionally, about 0.5 wt % to about 25 wt % of a solvent; all percentages based on the total weight of the coating composition. The coating composition of the present invention may be used as a clear coating, or may include a decorative component such as dyes, pigments, colorants, metal flakes, metal powders, glass flakes, glass powders, and combinations thereof, that add a decorative or colored characteristic to the disclosed coating composition.

Abstract: The present invention provides a new and improved color concentrate comprising from about 10% to about 30% by weight metal particles component, from about 1% to about 15% by weight colorant material and from about 60% to about 90% by weight thermoplastic polymer. The metal particles component comprises aluminum particles having both a spherical and a lenticular shape. The concentrate can be utilized to color thermoplastic polymers and produce a matte metallic effect.

Abstract: The invention relates to improved hydrophilic, polyurethane gel substances and foams, the use of polyurethane gel substances for pressure-distributing, in particular self-adhesive polyurethane-(foam) gels, and the use of said polyurethane gel substances for moulded structures and adhesive coatings.

Abstract: The invention provides novel polyether hydroxycarboxylate copolymers which are effective sequestering agents. The polyether hydroxycarboxylate copolymer when used in a cleaning composition enhances or “builds” the cleaning efficiency of the surfactant by inactivating hardness ions. In addition, the polyether hydroxycarboxylate copolymers assist in cleaning by dispersing and suspending soils to prevent the redeposition of soils. The polyether hydroxycarboxylate copolymer has the structure wherein M+ is a cation wherein M is independently selected from hydrogen, ammonia, alkali metals, alkaline earth metals, zinc, copper, organic amines, amino acids, and amino saccharides; R2 and R3 are independently hydrogen or a substituted or unsubstituted alkyl group having 1 to 4 carbon atoms; n is from about 2 to about 100; x1 and x2 are independently 0 or 1; a is from 0 to 99 mole percent; and b is from 100 to 1 mole percent, provided that (a+b) is 100 mole percent.

Abstract: A radiation-curable formulation employs an electrically conductive filler comprised of elements of elongate form, which elements have surfaces that reflect the actinic radiation to which the photoinitiator employed is responsive. Silver-coated cylindrical fibers or rods will typically constitute the conductive filler, and solid deposits cured from the formulation may function as, for example, sealing elements, gaskets, and solder-like joints. In certain preferred embodiments the formulation will include an active oxygen free radical-generating catalyst, the presence of which enhances curing even though the reaction conditions are such that normal thermal catalysis temperatures are not attained.

Abstract: This invention relates to graft copolymers containing polydiorganosiloxane and polybutylene grafts. More particularly this invention relates to a graft copolymer having a backbone and two or more polymeric side chains, the copolymer formed from the copolymerization of at least one acryloxyalkyl-functional polydiorganosiloxane macromonomer, at least one acryl-terminated, carboxyl-functional polybutylene macromonomer, and at least one ethylenically unsaturated monomer which is copolymerizable with the polydiorganosiloxane and polybutylene macromonomers. This invention also relates to a method of making graft copolymers containing polydiorganosiloxane and polybutylene grafts.

Abstract: A process for the preparation of an unsaturated polyester which comprises (i) reacting an organic diol with a cyclic akylene carbonate in the presence of a first catalyst to thereby form a polyalkoxy diol, and (ii) optionally adding thereto a further amount of cyclic alkylene carbonate in the presence of a second catalyst, and (iii) subsequently polycondensing the resulting mixture with a dicarboxylic acid.

Abstract: The oxidation of 7,14-diphenylacenaphtho[1,2-.kappa.]fluoranthene (1) at platinum or indium tin-oxide electrodes leads to deposition of a polymer film on the electrode surface that displays many interesting properties including electroactivity, fluorescence, and electrochromism. Thin films of this polymer appear deep blue in the neutral state, but become pale grey upon oxidation and light green or orange upon reduction, depending upon the voltage applied. Soluble oligomers of poly(3,10-(7,14-diphenylacenaphtho[1,2-.kappa.]fluoranthene)) are formed during oxidation of the monomer (1) via radical cation-radical cation coupling reactions and are identical to those chemically synthesized by the Ni(0)-catalyzed coupling of the 3,10-dibromo derivative of 1. Further oxidation of these oligomers leads to intramolecular coupling reactions to form ladder structures within the chains and the eventual precipitation of insoluble polymer onto the electrode.

Abstract: The present invention is directed to a process of atom (or group) transfer radical polymerization for the synthesis of novel homopolymer or a block or graft copolymer, optionally containing at least one polar group, with well defined molecular architecture and narrow polydispersity index, in the presence of an initiating system comprising (i) an initiator having a radically transferrable atom or group, (ii) a transition metal compound, and (iii) a ligand; the present invention is also directed to the synthesis of a macromolecule having at least two halogen groups which can be used as a macroinitiator component (i) to subsequently form a block or graft copolymer by an atom or group transfer radical polymerization process; the present invention is also directed to a process of atom or group transfer radical polymerization for the synthesis of a branched or hyperbranched polymer; in addition, the present invention is directed to a process of atom or group transfer radical polymerization for the synthesis of a ma

Abstract: A method of preparing a composite of organic and inorganic compounds includes the steps of reacting a mixed solution of a metal alkoxide and a silicon-containing compound with a catalyst to produce an alcogel of a metal oxide or a complex metal oxide. The metal alkoxide is prepared by reacting at least one metal with an alcohol and the mixed solution is prepared by mixing the metal alkoxide with the silicon-containing compound. An alcogel is produced from the reacting step and alcohol is impregnated within the inorganic oxide lattice structure of the alcogel. Furthermore, the method of preparing a composite of an organic and an inorganic compound includes the steps of centrifuging the alcogel to separate any alcohol from the alcogel to form a gel, adding an organic monomer the gel and polymerizing the organic monomer in-situ to form an organic polymer. The resulting composite has characteristics of both the parent organic and inorganic compounds.

Abstract: RTV-1 silicone sealants resistant to deterioration in the presence of aggressive functional fluids are prepared from an organopolysiloxane component comprising a major amount of silanol-functional organopolysiloxane, a primary or secondary amine-functional crosslinker, and both iron oxide and magnesium oxide, optionally together with auxiliary fillers, adhesion promoters, catalysts, and customary additives. The gasket materials are particularly useful in axle and transaxle seals exposed to fuel efficiency-promoting aggressive lubricants.

Abstract: A process for the preparation of polymers which comprises generating a solution of water and polyvinyl alcohol with acetate groups; adding thereto a mixture of an alkali metal iodide and iodine; adding thereto initiator, and optional crosslinking agent; adding monomer, a mixture of monomers, or a monomer/polymer mixture; homogenizing, and polymerizing; and wherein there is formed an iodide/iodine/acetate complex prior to said polymerizing.

Abstract: A polyester fiber made from a polymer having ethylene glycol moieties, isosorbide moieties and terepthaloyl moieties, and the method of making the fiber is described. The polyester fiber is used to form articles suitable for commercial, especially textile, and industrial uses, and has an inherent viscosity of at least 0.35 dL/g when measured as a 1% (weight/volume) solution of the polyester in o-chlorophenol at a temperature of 25.degree. C.

Abstract: A process for the preparation of an unsaturated polyester which comprises (i) reacting an organic diol with a cyclic akylene carbonate in the presence of a first catalyst to thereby form a polyalkoxy diol, and (ii) optionally adding thereto a further amount of cyclic alkylene carbonate in the presence of a second catalyst, and (iii) subsequently polycondensing the resulting mixture with a dicarboxylic acid.

Abstract: A polyester polymer and method for making the polyester, wherein the polyester is prepared by (1) combining in a reactor a monomer containing a diacid moiety; a monomer comprising a diol moiety; and a monomer containing an isosorbide moiety; with a condensation catalyst suitable for condensing aromatic diacids and diols; and (2) heating the monomers and catalyst to polymerize the monomers to yield a polyester having an inherent viscosity of at least about 0.15 dL/g.