STRETCHING/BLOWING CONDITIONS IN ONE-STAGE INJECTION-STRETCH-BLOW-MOULDING
    2.
    发明申请
    STRETCHING/BLOWING CONDITIONS IN ONE-STAGE INJECTION-STRETCH-BLOW-MOULDING 审中-公开
    一级注射吹塑成型中的拉伸/吹制条件

    公开(公告)号:US20100013129A1

    公开(公告)日:2010-01-21

    申请号:US12305298

    申请日:2007-06-20

    IPC分类号: B29C49/06

    摘要: The present invention discloses a method for preparing containers by one-stage injection-stretch-blow-moulding with a resin comprising:a random copolymer of propylene (RCP) having a melt index of from 1.5 to 35 dg/min, an ethylene content of less than 6 wt % with respect to the weight of the RCP; andoptionally a nucleating and/or a clarifying agent; wherein the preform injection temperature is larger than 200° C. and wherein the stretching and blowing temperature Tsb is limited to a very narrow range ΔT of at most 15° C., said range being a function of the injection temperature Tinj.

    摘要翻译: 本发明公开了一种通过一次注射拉伸吹塑法制备容器的方法,该树脂包括:熔体指数为1.5至35dg / min的丙烯(RCP)无规共聚物,乙烯含量为 相对于RCP的重量小于6重量% 和任选的成核剂和/或澄清剂; 其中预成型件注射温度大于200℃,并且其中拉伸和吹制温度Tsb被限制在至多15℃的非常窄的范围DeltaT,所述范围是注射温度Tinj的函数。