Abstract: An improved process is disclosed for preparing synthetic lubricant base stocks. Synthetic lubricant base stocks are prepared in good yield by oligomerizing linear olefins using a sulfate-activated Group IV oxide particularly zirconium dioxide, as the catalyst.

Abstract: A method for the preparation of isobutylene substantially free from tertiary butyl formate and peroxides from a tertiary butyl alcohol feedstock contaminated with tertiary butyl formate and peroxides wherein the feedstock is continuously brought into contact with a bed of a catalyst consisting essentially of sulfuric acid impregnated alumina under reaction conditions including a temperature of about 150.degree. to about 400.degree. C. and a pressure of about 0 to about 3000 psig. at the rate of about 0.5 to about 10 g of feedstock per hour per cc of catalyst, to form a reaction product substantially completely free from tertiary butyl formate and peroxides.

Abstract: An improved process is disclosed for preparing synthetic lubricant base stocks. Synthetic lubricant base stocks are prepared in good yield by oligomerizing linear olefins using montmorillonite clays which have a halogenated phosphorous- containing acid deposited thereon.

Abstract: The invention is an epoxy resin composition. Diol initiators are reacted with alkylene oxide and 1 to 5 wt % epoxy resin. The epoxy resin is added internally, along the length of the diol chain to yield a modified polyol of molecular weight 2000 to 5000. The modified polyol is subjected to reductive amination to yield a polyamine. This polyamine is mixed with an epoxy base resin and cured to product epoxy resins demonstrating improved strength and adhesion.

Abstract: Disclosed is an improvement in a process for production of cyclohexane by liquid phase hydrogenation of benzene wherein no diluent is necessary, which comprises contacting benzene and hydrogen in the presence of a mixed catalyst bed comprising a first catalyst which is a less active hydrogenation catalyst selected from elements of Group VIII of the Periodic Table and a second, more active catalyst, comprising a Group VIII metal supported on an oxide, such as, for example, alumina, silica or titania at a temperature of about 40.degree. C. to about 300.degree. C. and pressure sufficient to keep the benzene liquid at the chosen reaction temperature.

Abstract: A mixture of C.sub.1 -C.sub.4 mono-, di- and trialkylamines is separated by adding at least about an equimolar amount, based on the amine mixture, of a formyldialkanolamine selected from the group consisting of formyldiethanolamine, formyl aminoethylethanolamine and formyl 2-(2-aminoethylamino)-ethanol to the alkyl amine mixture, at a temperature of about 120.degree. to about 160.degree. C. and a pressure of about 500 to about 3,000 psig to provide a reaction mixture comprising the trialkylamine, the formyl dialkylamine and the formyl monoalkylamine, together with unreacted formyldialkanolamine and the corresponding alkanolamine, by separately recovering the trialkyl amine, the formyl dialkylamine and the formyl monoalkylamine from the reaction mixture, by reacting the dialkyl amine with said alkanolamine at atmospheric pressure at temperature of about 120.degree. to about 140.degree. C.

Abstract: An epoxy resin curative composition that provides cured epoxy resins exhibiting improved properties is disclosed. The curative composition comprises a mixture of 1-isopropyl-2-aryl imidazole and 1-isopropyl-2-aryl imidazoline.

Abstract: Methanol contaminated with residual amounts of peroxide contaminants such as tertiary butyl hydroperoxide, ditertiary butyl peroxide, allyl tertiary butyl peroxide, etc., can be effectively catalytically treated with a catalyst consisting essentially of titania-supported transition metals to substantially completely decompose the peroxide contaminants to thereby provide a treated methanol product substantially free from contaminating quantities of such peroxides.

Abstract: Vinyl monomers are polymerized in high yield to water-soluble polymers or copolymers by free radical polymerization of an aqueous reaction mixture containing the vinyl monomer(s), an UV-activated photoinitiator and a heat-activated chemical initiator. The polymerization is initially carried out by exposing the monomer mixture to UV radiation to activate the photoinitiator and then is carried out under the influence of free radicals produced by the chemical initiator.

Abstract: A process for the dissolution of polyurethane foams is disclosed. A polyurethane foam may be dissolved, or removed from a substrate, by contacting the polyurethane foam with 1,2-dialkyl imidazole, alone or as a co-solvent.

Abstract: A method is disclosed wherein t-butanol is reacted with methanol in a reaction zone in one step to provide methyl tert-butyl ether and the improvement of accomplishing the reaction which comprises:a. Using a catalyst comprising a montmorillonite clay treated with a fluorophosphoric acid,b. Continuously contacting said t-butanol and methanol in a molar amount of about 0.1 to 10 moles of methanol per mole of t-butanol with said catalyst at a temperature of about 20.degree. C. to about 250.degree. C. and a pressure of about atmospheric to about 1000 psig to obtain the methyl tert-butyl ether product.

Abstract: The invention concerns a method for the preparation of polyurethane, polyester, polyamide, and polyurea diols which contain essentially all primary hydroxyl groups without capping by ethylene oxide. The method comprises coupling an alkylene oxide adduct of propylene glycol t-butyl ether or butylene glycol t-butyl ether or its aminated derivative with organic diisocyanates or dibasic acids followed by cleavage of the t-butyl group with an acid catalyst.The resulting diol is useful in many types of urethane applications including foams, elastomers and coatings.

Abstract: Disclosed is a method for removing potassium from polyol and alkoxylated alkyl phenol products and neutralizing soluble base catalysts which comprises using a partially spent ion exchange resin which no longer meets the purity requirements for the production of MTBE, ETBE or TAME, washing the catalyst, mixing it with the polyol or alkoxylated alkylphenol in an acid/base ratio of about 7/1 to 10/1, for a period of hours and removing the filtrate.

Abstract: A process for preparing synthetic lubricant base stocks having improved properties is disclosed. The process comprises co-reacting vinylcyclohexene and long-chain linear olefin in the presence of a Friedel-Crafts type catalyst, preferably anhydrous aluminum chloride.

Abstract: A process is disclosed for preparing synthetic lubricant base stocks having improved properties. Synthetic lubricant base stocks may be prepared in good yield by oligomerizing linear olefins using certain acidic montmorillonite clay catalysts. When a mixture of poly(isobutylene) and long-chain linear olefin, in which up to about 10 wt. % of the mixture is poly(isobutylene), is co-reacted in the presence of these catalysts, a synthetic lubricant base stock having a high viscosity and a high viscosity index is prepared.

Abstract: An improved process is disclosed for preparing synthetic lubricant base stocks. Synthetic lubricant base stocks are prepared in good yield by oligomerizing linear olefins using certain acidic calcium montmorillonite clay catalysts which have aluminum nitrate deposited thereon.

Abstract: A method is disclosed wherein t-butanol is reacted with methanol in a reaction zone in one step to provide methyl tert-butyl ether and the improvement of accomplishing the reaction which comprises:a. Using a catalyst consisting of a crystalline aluminosilicate faujasite Y-type zeolite which has been treated with a fluorosulfonic acid;b. continuously contacting said t-butanol and methanol in a molar amount of about 0.1 to 10 moles of methanol per mole of t-butanol with said catalyst at a temperature of about 20.degree. C. to about 250.degree. C. and a pressure of about atmospheric to about 1000 psig to obtain the methyl tert-butyl ether product.

Abstract: A co-solvent system for the dissolution of cured flexible polyurethane foams, cured rigid polyurethane foams, and cured polyester resins is disclosed. The co-solvent system comprises a mixture of an alkylene carbonate and tetramethyl urea.

Abstract: A method for the manufacture of alkylene carbonates is disclosed. Alkylene carbonates that are free of halogen contaminants are prepared by reacting alkylene oxides and carbon dioxide in the presence of a catalyst selected from the group consisting of cerous acetate, ceric ammonium nitrate, cerous nitrate hexahydrate, and ceric potassium nitrate.

Abstract: Disclosed is a method for reducing compatibility problems when introducing a polyetheramine having a molecular weight of about 100 to 1000 into a nylon-6,6 polymer by prereacting the polyetheramine with two moles of adipic acid and reacting the adipic acid salt with nylon-6,6 and adipic acid.