Reactive-extrusion addition ethylene-propylene diene monomer rubber sulfonate and preparation method thereof
A technology of EPDM rubber and EPDM rubber, which is applied in the chemical industry, can solve the problems of low mechanical strength, unsatisfactory performance, poor processing performance, etc., and meet the diversified needs of the market and achieve excellent mechanical and mechanical properties. Effect
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Embodiment 1
[0019] Recipe: Table 2
[0020] Formula material
Dosage (parts by weight)
EPDM
100
Initiator (DCP)
0.2~0.3
4~5
1~1.4
Antioxidant 1076
0.6
[0021] Implementation process: Stir EPDM rubber, initiator, nucleophile, processing aid and antioxidant in a high-speed mixer for 7 to 8 minutes, then add it to a twin-screw extruder with a screw speed of 100 rpm , the twin-screw extruder temperature settings are shown in Table 3:
[0022] table 3
[0023]
Embodiment 2
[0025] Recipe: Table 4
[0026] Formula material
Dosage (parts by weight)
EPDM
110
Initiator (DCP)
0.4
6
0.6
Antioxidant 1076
0.5
[0027] Implementation process: Stir EPDM rubber, initiator, nucleophile, processing aid and antioxidant in a high-speed mixer for 7 to 8 minutes, then add it to a twin-screw extruder with a screw speed of 100 rpm , the twin-screw extruder temperature settings are shown in Table 5:
[0028] table 5
[0029]
[0030] Table 6 is a performance comparison table of the reaction extrusion addition EPDM rubber sulfonated product of Example 1 of the present invention and ordinary EPDM rubber. From the comparative data in the table, it can be seen that the tensile strength and elongation at break of the sulfonated product of the present invention The rate and adhesion properties are significantly higher than the existing ordinary EPDM ...
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