Poly(ortho-methylphenol) is obtainable at high purities and yields using industrial processes by causing a secondary amine and formaldehyde to react with a polyphenol (first step), and then breaking down the aminomethyl group of the obtained poly(ortho-aminomethyl)phenol by means of hydrogenolysis in the presence of a hydrogenation catalyst (second step).
Molding composition consisting of poly(arylether) resins and polyetherimide resins
申请人:UNION CARBIDE CORPORATION
公开号:EP0033394A1
公开(公告)日:1981-08-12
Described herein are molding compositions of blends of a poly(aryl ether) resin and a polyetherimide resin. These compositions have improved environmental stress crack resistance.
Filled poly(aryl ether) compositions and articles molded therefrom
申请人:UNION CARBIDE CORPORATION
公开号:EP0036959A1
公开(公告)日:1981-10-07
Described herein are molding compositions comprising a blend of a poly(aryl ether) resin, a thermoplastic polyalkylene terephthalate resin, and a mineral filler. These compositions exhibit reduced splay in articles molded therefrom.
Molding compositions and articles molded therefrom
申请人:AMOCO CORPORATION
公开号:EP0037547A1
公开(公告)日:1981-10-14
A molding composition comprising a blend of a poly (aryl ether), a polyester and a compatibilizing amount of an aromatic polycarbonate. The composition can additionally contain one or more of the following: fiber reinforcement, inorganic particulate filler, impact modifier, or a flame retardant additive. These compositions are especially suited for molding articles useful in electrical applications.
Sealing composition, method for preparing said composition, integrated circuit module sealed therewith, and process for sealing
申请人:International Business Machines
Corporation
公开号:EP0053280A1
公开(公告)日:1982-06-09
A sealing composition containing an epoxy polymer; 4,4'-(2-acetoxy-1,3 glyceryl)bis anhydro trimellitate; a polyanhydride; and a solid filler; a method of preparation, and the sealing of integrated circuit modules therewith are provided.