Research Article

Performance Characteristics of Silane Silica Modified Asphalt

Table 1

Physical properties of silane silica.

ProjectIndex

ModelSilane silica

AppearanceWhite powder

Whiteness/%≥93

Silica content (dry goods)/%≥98

PH value≥7

BET (specific surface area)/m2/g≥220

DBP mL/100 g (oil absorption capacity)≥270

Particle size/nm⩽100

Cauterant (dry goods) (1000°C, 2 h)/%≤7.0

Heating reduction (105°C, 2 h)/%≤6.0