A Method of High-quality Silica Preparation from Copper
As can be seen from Fig. 3 h, the DBP absorption value of the silica first increases and then decreases as the reaction temperature increases. At 30°C and 40°C, the DBP absorption values are close to 2.44 cm 2 /g and 2.42 cm 2 /g, respectively.
In-situ surface modification of precipitated silica
The DBP absorption was measured according to GB10530 standards. The specific surface area and the pore structure of precipitated silica nanoparticles were measured using U.S. Quantachrome automatic surface area measurement. Particle size analysis has been carried out by laser particle size analyzer (LS13320 type, Beckman-Coulter).
ISO 19246:2016(en), Rubber compounding ingredients ? Silica ? Oil
Dibutylphthalate (DBP) and dioctylphthalate (DOP) were commonly used in the past for determining the absorption capacity of pigments and extenders, like carbon black and silica. In the meantime, both substances have been banned as carcinogenic, mutagenic, reprotoxic substances (CMR) in different countries.
ASTM International - ASTM D6854-12A - Standard Test Method for Silica
1.1 This test method covers the determination of the n-dibutyl phthalate (DBP) absorption number of silica. 1.2 The values stated in SI units are to be regarded as the standard. The values given in... ASTM D6854-03 (2008) July 1, 2008 Standard Test Method for Silica —n -Dibutyl Phthalate Absorption Number
Standard Test Method for Silica—n-Dibutyl Phthalate Absorption Number
The DBP absorption number of a silica is related to the processing and vulcanizate properties of rubber compounds containing the silica. Scope 1.1 This test method covers the determination of the n-dibutyl phthalate (DBP) absorption number of silica. 1.2 The values stated in SI units are to be regarded as the standard.
