申请人:Abe Shigehiko
公开号:US20120035290A1
公开(公告)日:2012-02-09
A propylene polymer resin composition comprising 50-99 wt. % of a propylene polymer resin and 1-50 wt. % of an ethylene polymer resin, wherein said ethylene polymer resin has the following characteristics (A) through (E): (A) a density (d), as measured by a density gradient tube method according to JIS K6760, of 940-960 kg/m
3
; (B) a melt flow rate (MFR), as measured at 190° C. under a load of 2.16 kg, of 1-10 g/10 min.; (C) a frequency of terminal vinyl of not more than 0.2 per 1,000 carbon atoms; (D) a melt strength (MS
160
), as measured at 160° C., of at least 100 mN; and (E) an activation energy of flow (Ea) of not larger than 35 kJ/mol. The propylene polymer resin has high melt strength and exhibits enhanced fluidity, processability and shapability.
一种丙烯聚合物树脂组合物,包括50-99重量%的丙烯聚合物树脂和1-50重量%的乙烯聚合物树脂,其中所述乙烯聚合物树脂具有以下特征(A)至(E):(A)密度(d),按照JIS K6760密度梯度管法测量,为940-960千克/立方米;(B)熔体流动速率(MFR),在190℃下,在2.16千克的负载下测量,为1-10克/10分钟;(C)端基乙烯频率不超过每1,000个碳原子0.2个;(D)熔体强度(MS160),在160℃下测量,至少为100mN;和(E)流动激活能(Ea)不大于35kJ/ mol。丙烯聚合物树脂具有高熔体强度,表现出增强的流动性,加工性和成型性。