Process for foaming thermoplastic
Номер патента: CA1279949C
Опубликовано: 05-02-1991
Автор(ы): Roger J. White, Sivaram Krishnan
Принадлежит: Mobay Corp
Опубликовано: 05-02-1991
Автор(ы): Roger J. White, Sivaram Krishnan
Принадлежит: Mobay Corp
Реферат: A PROCESS FOR FOAMING THERMOPLASTICS ABSTRACT OF THE DISCLOSURE The present invention relates to an improvement in preparing foamed thermoplastic articles. It was found that a chemical blowing agent concentrate which contains a blowing agent which produces primary amines upon decomposition and additionally contains an an-hydride compound which contains at least one cyclic anhydride in its structure, offers surprising advantages over the prior art process in terms of improved impact strength and process flexibility.
Flame retardant masterbatch composition for foams containing a ph moderator
Номер патента: US20240174828A1. Автор: Ravi B. Shankar,Wenyi Huang,Mark Rickard,Shari Kram. Владелец: DDP Specialty Electronic Materials US LLC. Дата публикации: 2024-05-30.