Precipitated silicas
Rubber compositions comprising a precipitated silica with the following physico-chemical properties: BET surface area 35 to 350 m2/g BET/CTAB surface area ratio 0.8 to 1.1 Pore volume, PV 1.6 to 3.4 ml/g Silanol group density 6 to 20 ml/(5 g) Average aggregate size 250 to 1500 nm CTAB surface area 3...
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Main Authors | , , , |
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Format | Patent |
Language | English |
Published |
04.07.2006
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Subjects | |
Online Access | Get full text |
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Summary: | Rubber compositions comprising a precipitated silica with the following physico-chemical properties:
BET surface area 35 to 350 m2/g BET/CTAB surface area ratio 0.8 to 1.1 Pore volume, PV 1.6 to 3.4 ml/g Silanol group density 6 to 20 ml/(5 g) Average aggregate size 250 to 1500 nm CTAB surface area 30 to 350 m2/g DBP value 150 to 300 ml/100 g V2/V1 by Hg porosimetry 0.19 to 0.46 DBP/CTAB 1.2 to 3.5. |
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Bibliography: | Application Number: US20010986468 |