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公开(公告)号：WO2021168181A1
公开(公告)日：2021-08-26
申请号：PCT/US2021/018678
申请日：2021-02-19
Applicant: ARKEMA INC.
Inventor： HENRY, James , O'BRIEN, Gregory S.
Abstract: Disclosed is a polymer process aid used to reduce or eliminate surface defects that can arise during extrusion of thermoplastic polymers. The polymer process aid comprises a thermoplastic vinylidene fluoride copolymer (A) having a melt viscosity at or above 25 kP. The VDF copolymer can be a VDF/HFP copolymer. The polymer process aid also contains at least one interfacial agent (B). Also disclosed is 1) a masterbatch (D) and articles containing the polymer process aid (A/B).
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