Polymethylpentene could be good membrane materials because of it ' s excellent properties 摘要聚4 -甲基1 -戊烯有很多优良的性能，具有作为优质膜材料的潜能。
2.
Collection funnel and separating cone : unique design and non - wetting polymethylpentene ensure immediate and complete separation of feces and urine 收集漏斗和分离锥形：能完全的分离粪便和尿，不会潮湿代谢笼。
