METHOD FOR STABILIZING THERMOPLASTIC RECYCLATES, STABILIZED PLASTIC COMPOSITIONS, AND MOLDING COMPOUNDS AND MOLDED PARTS PRODUCED THEREFROM
申请人:FRAUNHOFER-GESELLSCHAFT ZUR FÖRDERUNG DER ANGEWANDTEN FORSCHUNG E. V.
公开号:US20220162422A1
公开(公告)日:2022-05-26
The invention relates to a method for stabilizing thermoplastic recyclates or previously damaged plastic materials against oxidative, thermal and/or actinic degradation. According to the claimed method, at least one substituted sugar, selected from the group consisting of at least one ester and/or ether of an alditol or cyclitol, at least one ester of a saccharic acid, at least one amide and/or substituted amine of an amine sugar, and mixtures and combinations thereof, as the stabilizing component is introduced in a thermoplastic recyclate and optionally additionally at least one primary antioxidant and/or at least one secondary antioxidant is introduced in a thermoplastic recyclate.