POLYAMIDE COMPOSITIONS WITH HIGH MELT FLOW AND GOOD MECHANICAL PROPERTIES

    公开(公告)号:US20180179361A1

    公开(公告)日:2018-06-28

    申请号:US15736803

    申请日:2016-05-31

    Applicant: BASF SE

    Abstract: A polyamide composition with improved melt flow containing (A) 20 to 99.9 wt % of one or more polyamides independently selected from the group consisting of aliphatic polyamide, semi-aromatic polyamide, aromatic polyamide and their blends, (B) 0.1 to 10 wt % of one or more polyether polyols having a melting temperature below room temperature, (C) 0 to 70 wt % of one or more reinforcing agents, and (D) 0 to 50 wt % of one or more other additives, each based on the whole composition. A molding article produced from the polyamide composition also is disclosed.

    Transesterification of polyesters

    公开(公告)号:US10703900B2

    公开(公告)日:2020-07-07

    申请号:US15738148

    申请日:2016-06-28

    Applicant: BASF SE

    Abstract: The present invention relates to a polyester composition comprising: (A) 15 to 99 wt % of polyester blend of two or more polyesters based on the total weight of the polyester composition, (B) 0.05 to 5 wt % of a transesterification accelerator based on the total weight of the polyester composition, wherein the transesterification accelerator comprises alkali metal carbonate salt, alkali earth metal carbonate salt, alkali metal bicarbonate salt, alkali earth metal bicarbonate salt and combination thereof, (C) optionally a reinforcing filler, and (D) optionally further an additive. The present invention also relates to an article prepared from the polyester composition and a method of preparing the article.

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