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    USE OF A COMPOSITION FOR THE MANUFACTURE OF A FOAMED ARTICLE
    2.
    发明申请
    USE OF A COMPOSITION FOR THE MANUFACTURE OF A FOAMED ARTICLE 有权

    公开(公告)号：US20220153977A1

    公开(公告)日：2022-05-19

    申请号：US17602812

    申请日：2020-03-31

    Applicant: SABIC GLOBAL TECHNOLOGIES B.V.

    Inventor： Robbert Duchateau ,  Lidia Jasinska-Walc ,  Miloud Bouyahyi ,  Lanti Yang ,  Peter Degenhart ,  Enrico Troisi

    IPC: C08L23/12 ,  C08J9/00 ,  C08J9/06 ,  B29C44/50

    Abstract: The present invention relates to the use of a composition comprising from 60-98 wt. % of polypropylene, from 2-40 wt. % of aromatic polycarbonate and from 0.1-10 wt. % of compatibiliser for the manufacture of a foamed article, wherein the compatibiliser is a BAB or AB type of block copolymer comprising a polypropylene block A and a polyester or polycarbonate block B, or wherein the compatibiliser is a graft copolymer of the type ABn having a polypropylene backbone A and polyester or polycarbonate block(s) B grafted thereon, with n being at least 1, and wherein the polyester or polycarbonate blocks B have an average M/F ratio from 2-25, wherein M is the number of backbone carbon atoms in the polyester or polycarbonate not including carbonyl carbon atoms, and F is the number of ester or carbonate groups in the polyester or polycarbonate block, and wherein the wt. % is based on the sum of the amount polypropylene, polycarbonate and compatibiliser.

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