Abstract: Nylon-type polyamides are produced from a diamine and a diamide in contact with an oxygenated compound of carbon, boron, nitrogen or sulfur catalyst. For example, high quality nylon-6,6 is manufactured by contacting hexamethylenediamine and adipamide in water with an oxygenated compound of carbon, boron, nitrogen or sulfur at an elevated temperature and pressure.

Abstract: Normally solid copolymers that are the result of addition polymerization of methyl methacrylate and indene, containing the monomers combined in the polymer structure in the following weight percentages:______________________________________ Weight Percent ______________________________________ Methyl methacrylate 46-95 Indene 54-5.

Abstract: The vapor phase oxidation of acetonitrile with molecular oxygen in the presence or absence of water vapor to produce glycolonitrile or glycolamide in the presence of a vanadium oxide based catalyst.

Abstract: A catalytic process for the production of high molecular weight nylon-type polyamides from omega-aminonitriles has been discovered. The process comprises contacting an omega-aminonitrile, water and a catalytic amount of an oxygenated sulfur compound catalyst. In one embodiment, sulfuric acid is utilized to polymerize 6-aminocapronitrile to nylon-6, at an elevated temperature and pressure.

Abstract: A novel transition metal complex catalyst comprised of a transition metal attached to a ligand containing electron withdrawing substituents is employed in a polymerization process for producing nylon type polyamides.

Abstract: A process for producing polyamides comprising contacting a polyamide forming system with a transition metal complex catalyst at a temperature sufficient to cause polymerization. The transition metal complex catalysts are at least one binucleating ligand attached to at least one transition metal containing nucleus.

Abstract: A process for conducting a combination of fixed and fluid-bed catalytic reactions is achieved by employing fixed-bed catalysts on supports within the fluid bed. The fluid-bed catalysts may move in both directions through the fixed bed, thereby giving advantages of both types of beds in one reactor.

Abstract: Disclosed is the dehydrocyclization of certain alkylaromatics to indene or a substituted indene by contacting certain alkylaromatics in admixture with H.sub.2 O with a sulfided metal oxide catalyst.

Abstract: A new catalyst system for the conversion of short-chain aliphatic alcohols to hydrocarbons having the formula[ML.sub.q ].sub.b.sup.m+ [N].sub.d.sup.n+ [X.sup.p+ Y.sub.a Z.sub.(12-a) O.sub.40 ].sup.-(8-p)wherein:[ML] is an organometallic compound where M is at least one metal selected from Group IIIA, IVA, VA, IB, IIB, IVB, VB, VIA, Fe, Co, and Ni; and L is an organic ligand,N is a positively charged species including a positively charged organic ligand,X is at least one element selected from P, Si, As, Ti, Zr, B, Co, Cu or Sn,Y and Z are independently selected from W, Mo, or V,m+n=8-pq=1-6O<a.ltoreq.12O.ltoreq.d<3b=1 to 3.

Abstract: N-alkylamide-substituted amines, such as nitrilotripropionamide, are either self-polymerized or copolymerized with other monomers, such as amino acids, in the presence of a stoichiometric amount of aqueous ammonia and at a temperature of at least 200.degree. C. and autogenous pressure to form substantially linear polyamides, such as poly-.beta.-alanine and nylon-3/6.

Abstract: Disclosed is the reaction of propylene with acrylonitrile or acrylamide to make a cyano- or amidopentene and reacting that compound with NH.sub.3 and O.sub.2 to form mucononitrile or 5-cyano-2,4-pentadiene amide. Also disclosed is a process which comprises contacting a reactant of the formula H--(CH.sub.2).sub.a --(CH.dbd.CH)--(CH.sub.2).sub.b X with oxygen and ammonia to thereby form a product of the formula NC--CH.dbd.CH--CH.dbd.CH--X wherein X is --CN or --CONH.sub.2 and each of a and b are zero or an integer from 1 to 3 such that a+b=3.

Abstract: Disclosed is the vapor phase, catalytic reaction of a mixture of 3-methylpyridine and 3-methylpiperidine with ammonia and molecular oxygen to make 3-cyanopyridine.

Abstract: The process for manufacturing a nylon-type polyamide from a dinitrile, a diamine and water in the presence of a catalyst is improved by using as a catalyst an oxygenated phosphorus compound and an oxygenated boron compound. For example, high quality nylon-6,6 is manufactured by contacting adiponitrile, hexamethylene diamine and water with boric acid and phosphorous acid at an elevated temperature and pressure.

Abstract: Low viscosity, random tetrapolymers that are the result of addition polymerization of the monomers acrylonitrile, methyl methacrylate, .alpha.-methylstyrene and/or styrene, and indene, containing the monomers combined in the polymer structure in the following weight percentages:______________________________________ Weight Percent ______________________________________ Acrylonitrile 10-40 Methyl methacrylate 5-50 Indene 3-50 .alpha.-methylstyrene or 5-50 styrene or a mixture of both ______________________________________wherein said tetrapolymers have an inherent viscosity in the range from 0.08 to 0.4 deciliters per gram of polymer solution.

Abstract: A composition comprising an intimate admixture of(a) 50 to 98 parts by weight of a vinyl chloride polymer having an inherent viscosity of at least 0.4 and(b) 50 to 2 parts by weight of a random addition tetrapolymer containing the following monomers combined in the polymer structure in the following weight percentages:______________________________________ Weight Percent ______________________________________ Acrylonitrile 15-35 Methyl methacrylate 5-45 Indene 5-45 .alpha.-methylstyrene or 5-45 styrene or a mixture of both ______________________________________where (a) plus (b) total 100 parts by weight, and the total parts by weight of combined indene plus .alpha.-methyl styrene plus styrene in the tetrapolymer (b) is 38-70 parts by weight.

Abstract: Polyamides can be formed in good yields by the copolymerization of at least one alpha, beta-unsaturated nitrile with at least one alpha, beta-unsaturated carboxylic acid or ammonium salt thereof. These polymers are suitable for use as fibers, plastics, films and molding resins.

Abstract: A process for modifying certain polyamides by use of a novel combination of an organic sulfone and a lithium halide as a processing aid to yield a modified polymer having thermal stability and a lowered melting point (lower than unmodified polymer).

Abstract: Copolymers of acrylonitrile and propylene are produced by the process of the instant invention. This process comprises polymerizing (1) a major portion of an olefinically unsaturated nitrile monomer with (2) a minor portion of propylene, in the presence of a free radical initiator, while maintaining the molar ratio of propylene to the olefinically unsaturated nitrile during polymerization at a ratio greater than the molar ratio of propylene to the olefinically unsaturated nitrile in the final polymer.

Abstract: Certain benzylic and allylic compounds are catalytically oxidatively dehydrodimerized wherein the molecular oxygen oxidant is separated from the substrate by a gas impervious catalyst membrane that conducts oxide ions from the surface of the catalyst membrane wall to the opposite surface thereof which is in contact with the substrate.

Abstract: A catalytic process for the production of high molecular weight nylon-type polyamides from omega-aminonitriles has been discovered. The process comprises contacting an omega-aminonitrile, water and a catalytic amount of an oxygenated phosphorus compound catalyst.