High heat resistance low density high performance auto polypropylene composite and preparation method thereof
A polypropylene composition and low-density technology, which is applied in the field of high-heat-resistant and low-density high-performance polypropylene composition and its preparation, can solve the problems of incompatibility of high heat resistance and high toughness, achieve excellent comprehensive performance, reduce Emissions, Density Reduction Effects
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Examples
Embodiment 1
[0065] Table 1 Formula content
[0066] components
Example 1
Comparative example 1
Comparative example 2
Comparative example 3
PP
84.5%
85%
84.5%
84.5%
POE
5%
5%
5%
5%
Al 2 o 3 whiskers
5%
5%
10%
-
coupling agent
0.5%
-
0.5%
0.5%
talcum powder
5%
5%
-
10%
[0067] Put the above raw materials into a high-speed mixer with a rotation speed of about 1000rpm and mix them according to the weight percentage, and then put them into a twin-screw extruder. Get granulated. Wherein the coupling agent used is the mixture of epoxy resin, hydrogenated butadiene and monoglyceride, 50% by weight of epoxy resin, 25% by weight of hydrogenated butadiene, and 25% by weight of monoglyceride.
[0068] The properties of the prepared samples are as follows:
[0069] Table 2 Performance table
[0070]
[0071] Comparing Example 1 and Comparative Example 2 from Table 2...
Embodiment 2~ Embodiment 5
[0074] Table 3 Formula content
[0075] components
Example 2
Example 3
Example 4
Example 5
Comparative example 4
PP
64%
64%
65%
58%
58%
POE
15%
15%
10%
15%
10%
Al 2 o 3 whiskers
3%
10%
13%
15%
-
coupling agent
1%
1%
2%
2%
2%
talcum powder
17%
10%
10%
15%
30%
[0076] Put the above raw materials into a high-speed mixer with a rotation speed of about 1000rpm and mix for 3 minutes. See Example 1 for the extrusion granulation process. Wherein the coupling agent used is the mixture of epoxy resin, hydrogenated butadiene and monoglyceride, 30% by weight of epoxy resin, 40% by weight of hydrogenated butadiene, and 30% by weight of monoglyceride.
[0077] The properties of the prepared samples are as follows:
[0078] Table 4 Performance table
[0079]
[0080] Comparing Examples 2 to 5, it is found that the compounded talcum powde...
Embodiment 6~ Embodiment 9
[0082] Table 5 Formula content
[0083] components
Example 6
Example 7
Example 8
Example 9
PP
64%
64%
64%
64%
POE
15%
15%
15%
15%
Al 2 o 3 whiskers
3%
5%
8%
-
ZnO whiskers
-
-
-
10%
talcum powder
17%
15%
12%
10%
coupling agent
1%
1%
1%
1%
[0084] Put the above raw materials into a high-speed mixer with a rotation speed of about 1000rpm and mix for 3 minutes. See Example 1 for the extrusion granulation process. Wherein the coupling agent used is the mixture of epoxy resin, hydrogenated butadiene and monoglyceride, 50% by weight of epoxy resin, 25% by weight of hydrogenated butadiene, and 25% by weight of monoglyceride.
[0085] The properties of the prepared samples are as follows:
[0086] Table 6 Performance table
[0087]
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