Antioxidants for industrial, automotive, and aviation lubricants and methods of making the same are provided. A process using alkylated diphenylamines; alkylated phenyl-α-naphthyl amines; and a metal catalyst to form oxidates is provided. The metal catalyst is a combination of a cation and an organic anion, for example, a metal acetylacetone. The reaction takes place in the presence of oxygen to form an antioxidant comprising oligomers of the alkylated diphenylamine and the alkylated phenyl-α-naphthyl amine, and a metal component of the catalyst.
Antioxidants For Synthetic Lubricants And Methods Of Manufacture
Mono- and di-esters of 2,2,4-trimethyl-1,3-pentanediol and benzoic acids are useful plasticizers for vinyl chloride polymers, and other polymers, particularly for imparting improved stain resistance to plasticized compositions. Novel processes for preparing the esters are disclosed.
Colored Polyurethane Foams And A Process For Their Production
Eugene P. DiBella - Piscataway NJ Morris Dunkel - Paramus NJ Henry Gould - Englishtown NJ
Assignee:
Tenneco Chemicals, Inc. - Saddle Brook NJ
International Classification:
C08J 900
US Classification:
521116
Abstract:
Colored polyurethane foams are prepared by the reaction of a polyisocyanate with a component that contains at least two compounds having functional groups containing active hydrogen atoms and that comprises a polyol and a dispersion of a pigment in a low-viscosity, semi-reactive vehicle that comprises a glycol monocarboxylate, such as 1,2-propylene glycol mononeodecanoate.
Thixotropic Agents For Organic Solvent-Based Surface-Coating Compositions And Surface-Coating Compositions Containing Same
A thixotropic agent for organic solvent-based surface-coating compositions is the product of the reaction of a polypentaerythritol component comprising tripentaerythritol with a saturated aliphatic monocarboxylic acid component comprising acids having 20 to 22 carbon atoms in amounts that provide from 0. 40 mole to 0. 96 mole of carboxyl groups per mole of hydroxyl groups.
Fire-Retardant Polyurethane Resins Prepared From Side-Chain Halogenated Aromatic Polyisocyanates
Triaryl phosphates are prepared in good yields by contacting the corresponding triaryl phosphites with an oxygen-containing gas in the presence of a catalyst that comprises a halogen component and a cationic cocatalyst at a temperature in the range of 10. degree. C. to 200. degree. C. The catalyst preferably comprises iodine and ferric chloride.
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