PVC FORMULATIONS WITH IMPROVED PERFORMANCE AND PROCESSING

    公开(公告)号:US20220275187A1

    公开(公告)日:2022-09-01

    申请号:US17630034

    申请日:2020-08-06

    IPC分类号: C08L27/06 C08L83/04 C08J9/00

    摘要: A polyvinyl chloride (PVC) composition and a method for preparing a polymer composite article. The composition comprises (A) a mineral filler in an amount of from 47.5 to 75 wt. %. The composition also comprises (B) a PVC polymer in an amount of from 25 to less than 50 wt. %, wherein the amount of the (A) mineral filler is greater than the amount of the (B) PVC polymer. Further, the composition comprises (C) an organopolysiloxane in an amount of from greater than 0 to 5 wt. %; the (C) organopolysiloxane having at least one silicon-bonded hydroxyl group and a viscosity of from 1,000 to 60,000 mPa·s at 25° C. The ranges for components (A)-(C) are based on the total weight of components (A), (B) and (C) in the composition.