Liquid isoprene rubber containing bead filler composition of tire as well as preparation method and application thereof
A technology of isoprene rubber and apex rubber, applied in special tires, tire parts, transportation and packaging, etc., can solve the problems of poor dimensional stability of parts, increase the amount of softener, composite interface pollution, etc., and reduce the cost of formulations , The effect of delaying thermal accumulation damage and reducing process loss
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[0027] The present invention is described in detail below in conjunction with general hard triangle formula and embodiment.
[0028]
Universal Hard Triangle Formula
Example 1
Example 2
Example 3
Example 4
natural rubber
100
98
97
95
90
liquid isoprene rubber
2
3
5
10
N375 carbon black
65
65
67
70
75
high aromatic oil
3.5
3
3
1
stearic acid
2
2.0
2.5
2.5
2.5
Zinc oxide
4
4.5
5.0
5.5
6.0
Antiaging agent
2
2.0
2.5
2.5
3
Reinforcement resin
10
10
12
13
15
super tackifying resin
3
2
HMT
1.1
1
1.2
1.3
1.5
insoluble sulfur
4
4
4.0
4.0
3.5
Accelerator
2.2
2.2
2.3
2.5
2.6
anti-scorch agent
0.2
0.1
0.1
0.1
[0029] From the test data of each embodiment formula ...
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