64
4 Nanofiller Dispersion in Rubber as Revealed by 3D-TEM
Table 4.3
Recipes for preparation of hydrophobic and hydrophilic silica-loaded peroxide cross-linked NRs (from Table 1 in Ref. [8])
Sample
NR-P-0RX
NR-P-10RX
NR-P-20RX
NR-P-30RX
NR-P-40RX
NR-P-60RX
NR-P-80RX
NR
100
100
100
100
100
100
100
DCP b
(phr c
)
1
1
1
1
1
1
1
Silica RX d
(phr)
0
10
20
30
40
60
80
Sample
NR-P-0VN
NR-P-10VN
NR-P-20VN
NR-P-30VN
NR-P-40VN
NR-P-60VN
NR-P-80VN
NR
100
100
100
100
100
100
100
DCP b
(phr c
)
1
1
1
1
1
1
1
Silica VN3 e
(phr)
0
10
20
30
40
60
80
a
Cross-linking conditions: 30 min at 155 °C under 100–150 kg/cm 2
b
Dicumyl peroxide
c
Grams per one hundred grams of rubber
d
AEROSIL RX200 (trimethyl silyl group treated silica, average radius
= ca. 12 nm) from EVONIK DEGUSSA JAPAN CORPORATION
e
Nipsil VN-3 (average primary diameter
= ca. 16 nm) from TOSOH SILICA CORPORATION