Rubber composition for green tire tread using sbs as compatibilizer
A technology of rubber composition and green tires, which is applied in the field of rubber, can solve the problems of performance degradation and difficulty in meeting the performance requirements of tire tread rubber materials, and achieve the effects of low heat generation performance, meeting performance requirements, and high cutting resistance
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[0020] Using HVBR and ESBR1502 as the main raw materials, and SBS-791H as the compatibilizer, the formula composition of the rubber composition is listed in Table 1. HVBR uses molybdenum-based high-vinyl 1,2-polybutadiene rubber produced by Shandong Qilu Petrochemical Rubber Factory, with a vinyl content of 80%; ESBR1502, a product of Shandong Qilu Petrochemical Company; SBS-791H, a product of Sinopec Baling Branch , the S / B ratio is 30 / 70.
[0021] Table 1 Formulation table (unit: parts by mass)
[0022] raw material
Example 1
Example 2
Example 3
Example 4
comparative example
HVBR
70
70
70
70
70
ESBR1502
30
30
30
30
30
SBS-791H
4
6
8
10
0
carbon black
5
5
5
5
5
Silica
60
60
60
60
60
TDAE
15
15
15
15
15
Si69
5
5
5
5
5
PEG4000
2
2
2
2
2
204 resin
2
2
2
2
...
PUM
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