HIGH CRYSTALLINITY, HIGH MELT FLOW RATE POLYPROPYLENE
摘要
<p>High melt flow rate high crystallinity polypropylene homopolymer are produced in a bulk polymerization process using a Ziegler-Natta catalyst containing a combination of two internal electron donors and selected external donors. The high melt flow rate, high crystallinity polypropylene homopolymers produced according to the current invention display improved flexural modulus and tensile yield stress when nucleated.</p>
申请公布号
WO2007140019(A1)
申请公布日期
2007.12.06
申请号
WO2007US12868
申请日期
2007.05.30
申请人
SUNOCO, INC. (R & M);MEVERDEN, CRAIG;SCHNITGEN, ANDREW;KIM, SEHYUN