Abstract: This invention is directed to an improved process for the conversion of an aldehyde to a diolefin comprising contacting an aldehyde of 4 to 6 carbon atoms in the vapor phase at a temperature of 250.degree. to 400.degree. C. with a catalyst, the improvement comprising the addition of from 0.10 to 5 percent by weight of an aromatic compound to the aldehyde feed. Representative of the aromatic compounds useful in the instant invention are: phenol, catechol, alkylated catechol, resorcinol, hydroquinone and aniline; wherein the alkyl radical can be from 1 to 10 carbon atoms.

Abstract: There is disclosed a process for the preparation of N-tetrathiodimorpholine wherein an admixture of morpholine and elemental sulfur is oxidized with air or oxygen in the presence of iron salts and iron complexes to yield N-tetrathiodimorpholine.

Abstract: There is disclosed a method for adhering rubber to reinforcing materials which comprises embedding a textile fiber or metal reinforcing material in a vulcanizable rubber composition comprising rubber, a vulcanizing agent, reinforcement, a methylene donor, and a phenolic ester as a methylene acceptor.

Abstract: There are disclosed polymerizable thioester synergists which have utility in enhancing the antioxidative activity of phenolic and amine stabilizers. The invention is also concerned with the thioesters themselves, their use in oxidizable organics, their combination with polymerizable and/or conventional antioxidants, and with polymers which contain these thioesters as physical admixtures or segmeric units of the polymer.

Abstract: This invention is directed to the preparation of polymerizable monomers that are prepared from 1-(1-isocyanato-1-methylethyl)-3-(1-methylethenyl) benzene (m-TMI) and 1-(1-isocyanato-1-methylethyl)-4-(1-methylethenyl) benzene (p-TMI). The monomers prepared from m- and p-TMI can contain numerous chemical moieties, and when polymerized, produce polymers that have chemically bonded to the polymeric backbone the functional moiety. More specifically, these TMI derived monomers may contain chain breaking antioxidant moieties, peroxide decomposing antioxidant moieties, ultraviolet stabilizing moieties, triplet quenching moieties, and other chemical moieties that are useful in polymers.

Abstract: There is disclosed a resin-metal (complex) catalyst, a method for its preparation, activation and use in carrying out Fischer-Tropsch reactions. The complex is a resin which has attached to it a coordination compound(s) and a metal(s). The complex has utility as a Fischer-Tropsch catalyst. More specifically, the complex is useful for the gaseous conversion of synthesis gas (carbon monoxide and hydrogen) to hydrocarbons.

Abstract: This invention is concerned with improved boron phosphate dehydration catalysts. More specifically, this invention is directed to a process for the conversion of an aldehyde to a diolefin comprising contacting an aldehyde of 4 to 6 carbon atoms in the vapor phase with a catalyst comprising boron phosphate wherein the boron phosphate has been treated with an ammonium carbonate or bicarbonate salt prior to calcination. This invention is also concerned with a large port catalyst for dehydration reactions wherein the improvement comprises the use of a catalyst with a molar ratio of P/B of about 1.0 modified with from 0.1 to 10 mole percent, based on moles of boron, of a carbonate salt selected from (NH.sub.4).sub.2 CO.sub.3 and NH.sub.4 HCO.sub.3.

Abstract: There are disclosed polymers which have nonionic surfactant moieties pendant to the polymeric backbone which exhibit activated sulfur vulcanization, a process for their preparation, and mixtures of polymeric cure activators and elastomers.

Abstract: There is disclosed a method for the treatment of yarn which comprises applying an aqueous emulsion of a polyester/epoxy adhesive to the yarn. The polyester/epoxy adhesive comprises a water emulsifiable polyester capped with an isocyanate group and an epoxide which is dispersed in water to fYorm an emulsion.

Abstract: There is disclosed a new polymer bound catalyst, a means for the production of a polymer bound aryl substituted crown ether and use of such polymer bound aryl substituted crown ethers as catalysts.

Abstract: There is disclosed a process for the production of alkylated hydroxyanisoles which consists of dehydrogenating para-isopropylphenol to para-isopropenylphenol which is then reacted with a methylating agent to yield para-isopropenylanisole which is then treated with acidic hydrogen peroxide to yield para-hydroxyanisole which is then treated with an alkylating agent to yield the alkylated hydroxyanisole. The process of this invention is especially useful for the synthesis of the food preservative butylated hydroxyanisole (BHA).

Abstract: Vinylaromatic compounds are stabilized against undesired polymerization by adding to the vinylaromatic compounds small amounts of zinc or nickel salts of dialkyl dithiocarbamates, specifically p-diisopropenylbenzene can be stabilized by the use of zinc dibutyldithiocarbamate.

Abstract: This invention is directed to a process for the conversion of an aldehyde to a diolefin comprising contacting an aldehyde of 4 to 6 carbon atoms in the vapor phase at a temperature of 300.degree. to 400.degree. C. with a catalyst comprising boron phosphate wherein the initial molar ratio of phosphorous (P) to boron (B) (P/B) is less than 1.0 but greater than 0.6 which is in intimate admixture with from 0.1 to 10 weight percent graphite. More specifically, this invention is concerned with a process for the catalytic dehydration of 2-methylbutanal (2MBA) to isoprene in the vapor phase with a boron phosphate catalyst wherein the improvement comprises the use of a catalyst with a molar ratio of P/B of less than 1.0 but greater than 0.6 which contains from 0.1 to 10 weight percent graphite and 0 to 10 mole percent, based on moles of boron, of ammonia or an amine selected from the group consisting of mono-, di- and/or tri- alkyl amines of 1 to 10 carbon atoms.

Abstract: Two antioxidants functioning by different mechanisms are combined chemically into one molecule, allowing optimization of their antioxidant properties.

Abstract: A process for the emulsion copolymerization of functionalized monomers wherein the improvement comprises the use of dichloromethane or tetrahydrofuran as a cosolvent and elevated soap levels in the polymerization.

Abstract: There is disclosed a process for the preparation of thermal oils which comprises heating rosin acids to a temperature from 300.degree.-360.degree. C. in the presence of at least one decarboxylation accelerator selected from the group consisting of high sulfur content tall oil rosin, Vinsol.TM. resin, fatty acids, organic sulfides and inorganic sulfides. The process of this invention provides an economical and efficient method of treating a renewable natural wood-derived feedstock to produce a material that is suited for numerous applications, especially in rubber formulations.

Abstract: There is disclosed the use of esters especially methyl esters of rosin acids as total or partial replacements for oil in rubber formulations. Vulcanizate properties, low temperature performance, and processibility are comparable when using either the rosin ester or an aromatic oil, however, the rosin ester extended rubber demonstrates improved abrasion resistance and flex resistance.

Abstract: There is disclosed a process for blending rubber latices with carbon black or other reinforcing pigments which comprises the use of a 60/40 to 40/60 butadiene/methacrylic acid latex which has been converted to a water soluble polymer through treatment with an alkali metal hydroxide. Said converted butadiene/methacrylic acid latex is then combined with dry carbon black at a level of 1 to 2 percent butadiene/methacrylic acid dispersing latex solids based on weight of the carbon black. The blended carbon black butadiene/methacrylic acid dispersion is added to rubber latices prior to coagulation. More specifically, this invention is concerned with a carbon black dispersion and its addition to a rubber latex.

Abstract: There is disclosed a process for the modification of a polymer having pendant halo-benzyl groups comprising(a) contacting said polymer with a quaternary ammonium or phosphonium salt and an alkali ionizable molecule containing anti-degradant properties thereafter(b) contacting the resultant mixture with an alkaline compound.

Abstract: This invention relates to an improved continuous emulsion polymerization process. Specifically, this invention relates to an improved method for producing carboxylated styrene/butadiene latices. The improvement is characterized in that a reaction mixture containing specified reaction ingredients and only a portion of the primary monomers is charged to a first reaction zone followed by subsequent injection of the remaining portion of the primary monomers to the following reaction zone in a chain consisting of two or more reactors. The latices produced by the process of this invention have improved stability during polymerization and improved physical and application properties.