聚丙烯高压直流电缆绝缘研究进展与展望
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杜伯学, 李忠磊, 周硕凡, 范铭升
Research Progress and Perspective of Polypropylene-based Insulation for HVDC Cables
DU Boxue, LI Zhonglei, ZHOU Shuofan, FAN Mingsheng
表2
PP共混物的熔融温度、熔融焓和结晶度
共混
样品
iPP
(wt%)
sPP
(wt%)
aPP
(wt%)
T
c
/℃
Δ
H
m
/(J/g)
X
c
(%)
sPP0
95
0
5
119.44
78.82
39.69
sPP5
90
5
5
115.18
74.12
37.45
sPP15
80
15
5
115.90
75.89
38.60
sPP30
65
30
5
117.85
80.33
41.27
sPP45
50
45
5
119.55
79.08
41.04