Abstract:
Carboxylic acid-polyetherpolyamine reaction products which contain as the principle reaction component, an amidoamine having the formula: ##STR1## where R=polyether segment as previously defined.Z=dicarboxylic acid of structure given in Examples 2 and obtained by reacting a polyoxypropylene and/or polyoxyethylene diamine with an aromatic dicarboxylic acid in molar proportions such that at least about 1.0 to 1.2 mole equivalents of amine are provided in the reaction mixture of each mole equivalent of carboxylic acid present in the reaction mixture. The amidoamines exhibit improved properties which allow for a rapid curing system even under ambient conditions and useful applications include coatings, adhesives, encapsulations, laminates and composite fabrications.
Abstract translation:含有作为主要反应组分的羧酸 - 聚醚多胺反应产物,具有下式的酰氨基胺:其中R =如前所定义的聚醚链段。 Z =实施例2中给出的结构的二羧酸,其通过使聚氧丙烯和/或聚氧乙烯二胺与芳族二羧酸反应得到的摩尔比例使得在每摩尔的反应混合物中提供至少约1.0至1.2摩尔当量的胺 相当于反应混合物中存在的羧酸。 酰氨基胺表现出改进的性能,即使在环境条件下也能快速固化,并且有用的应用包括涂料,粘合剂,包封物,层压材料和复合制品。
Abstract:
A process for the synthesis of glutamic acid intermediate from an acrylate, amide and syngas by reacting them in the presence of a catalyst comprising a cobalt-containing compound, a bis-phosphine ligand and a solvent at a pressure of at least 500 psi and a temperature of at least 50.degree. C. and thereafter extracting the glutamic acid.
Abstract:
Amino acid derivatives are synthesized by reacting paraformaldehyde, cyclic amides and synthesis gas with a bimetallic catalyst comprising a rhodium-containing compound and a cobalt-containing compound, optionally in the presence of a solvent at a pressure of at least 500 psi and a temperature of at least 50.degree. C. The novel amino acid products may be hydrolyzed to amino dicarboxylic acids or used as monomers to polyamides.
Abstract:
A process is disclosed for preparing products such as 2-hydroxytetrahydrofuran which comprises contacting unsaturated compounds such as allyl alcohol with carbon monoxide and hydrogen in the presence of a rhodium carbonyl catalyst and a ketone solvent system. Allyl alcohol conversions of 100% and selectivities to 2-hydroxytetrahydrofuran of 96% are achievable under certain conditions. Preferred ketone solvents are acetophenone and 2-undecanone. 2-Hydroxytetrahydrofuran is an important precursor to manufacture of 1,4-butanediol.
Abstract:
This invention concerns a process of preparing alcohols and aldehydes which comprises the steps of contacting a mixture of terminal and/or internal olefins and synthesis gas with a catalyst system comprising a ruthenium-containing compound dispersed in a low melting quaternary phosphonium or ammonium base or salt and heating said resultant reaction mixture under a pressure of 100 psi or greater at a temperature of at least 50.degree. C. for a sufficient time to produce said alcohols and aldehydes.
Abstract:
Ethanol is prepared by contacting methanol, hydrogen and carbon monoxide with a catalyst system comprising a ruthenium compound, a quaternary phosphonium or ammonium base or salt and a cobalt compound such as cobalt iodide in the presence of a non-polar, substantially inert, oxygenated hydrocarbon solvent.
Abstract:
This invention concerns a process of making acetic acid and propionic acid and their esters which comprises contacting a mixture of CO and H.sub.2 with a catalyst system comprising a ruthenium-containing compound and a cobalt halide dispersed in a low melting quaternary phosphonium or ammonium base or salt at a temperature of at least about 150.degree. C. and at a pressure of about 500 psig or greater.
Abstract:
This invention concerns a process of making alkanols and particularly ethanol which comprises contacting a mixture of CO and H.sub.2 at a pressure of 500 psig or greater and at a temperature of at least 150.degree. C. with a catalyst system comprising a ruthenium-containing compound and a cobalt-containing compound dispersed in a low melting quaternary phosphonium or ammonium base or salt.
Abstract:
A method for preparing a nanometal-polymer composite conductive film includes the steps of (1) mixing a metal oxide with a polymer solution; (2) coating a substrate with a solution resulting from step (1), followed by drying the resultant solution to form a film; (3) performing thermal treatment on the film formed in step (2); and (4) sintering the film thermally treated in step (3). The method dispenses with any reducing agent or dispersing agent but allows nanometallic particles to be formed in situ and thereby reduces surface resistance of the polymer film efficiently.
Abstract:
A pigment is dispersed in a solvent by mixing the pigment nanoparticles with clay in a layered or platelet form and mixing the resultant mixture with the solvent. The method is based on geometric inhomogeneity and mutually exclusive aggregation. The layered or platelet clay having a high aspect ratio is provided to hinder aggregation of the pigment nanoparticles. The pigment nanoparticles can be stably dispersed in a matrix containing an organic solvent and water without aggregation again.