Case 1: Application of CMG9801 in GF reinforced PP
Tab.1 Physical and Chemical Properties of PP+30% GF system
PP/GF/CMG9801
Tensile strength
/MPa
50mm/min
Flexural strength
/MPa
2mm/min
Flexural modulus
/ MPa
2mm/min
Notched Izod impact strength
/ J/m
23℃
MFR
/ g/10min
230℃*2.16Kg
70/30/0
30
40
4300
78
12
68/30/2
80
94
5450
130
13
Notes: PP Shanghai Secco K7926; GF: Jushi 988A
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Fig.1 The effect of CMG9801 on notched impact strength of PP+30%GF system
Fig.1 shows that the notched impact strength was obviously improved with the addition of CMG9801. The impact strength reaches a maximum when the content is 3%.
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Fig.2 The SEM graph of PP+30%GF system without and with 3% CMG9801
As shown in fig.2, the compatibility between PP matrix and
