ES366298A1 - Procedure for the obtaining of molding thermoplastic materials starting from saturated linear polyesters. (Machine-translation by Google Translate, not legally binding) - Google Patents

Abstract

Procedure for obtaining thermoplastic compounds starting from saturated linear polyesters, characterized by the fact that a polyester granulate is incorporated, referring to polyester: a) 0 to 3% by weight, based on the polyester of inert inorganic solid materials with a particle size of less than 5 μ and b) 0 to 25 by weight, based on polyester, of multifunctional epoxides of the general formula **(See formula)** where R, R1, R2 and R3 represent hydrogen, alkyl, cycloalkyl, aryl or aralkyl groups, which may also be linked together to form ring structures, and contain groups of esters or ethers, however, having in each case to have at least one of the substituents a further epoxy grouping, and c) 0 to 1.5% by weight, based on polyester, of completely or partially neutral montane-face salts or partially esterified montanic acid salts, said process being further characterized by the fact that the granulate has a moisture content of less than 0.01% by weight and a reduced specific viscosity (measured in a 1% solution of phenol/tetrachloroethane 60: 40 at 25ºC.) at least 1.25 dl/g, and then coated with 0.01 to 1% by weight, based on polyester, of completely or partially neutral montane wax salts or of partially esterified montanic acid salts. (Machine-translation by Google Translate, not legally binding)