Summary
N-Octyltrimethoxysilane (CAS No. 3069-forty-7), silane coupling agent SCA-K08M, is a monomeric medium-chain alkylfunctional silane. SCA-K08M is a very clear colorless liquid and soluble in typical non-polar organic solvents (e. G. Petroleum ether, toluene). However its lower volatility and viscosity make SCA-K08M an straightforward-to-take care of additive. During the hydrolysis response in between drinking water and SCA-K08M a specified sum of ethanol (VOC) is launched.
Identification
Title n-Octyltrimethoxysilane
Synonyms Trimethoxyoctylsilane
Molecular Formula C11H26O3Si
Molecular Weight 234.41
CAS Registry Number 3069-forty-seven
EINECS 221-338-7
Equivalents
Z-6672
OCTMO
O9840
Houses
Density .ninety one
Boiling level 246 C diploma
Viscosity two mPa. S
Flash point 102 C diploma
H2o solubility REACTS
Application
N-Octyltrimethoxysilane (CAS No. 3069-40-seven), silane coupling agent SCA-K08M, is an essential additive for several apps. Illustrations are:
SCA-K08M silane can be employed as a surface area modifier to create hydrophobicity (e. G. On concrete, glass, inorganic pigments, SCA-K08M or mineral fillers). The medium-chain alkyl features outcomes in exclusive compound homes when SCA-K08M handled minerals or pigments are incorporated into polymers, e. G. Polyethylene or polypropylene. Loading ranges of .five to 1.5% wt. SCA-K08M based mostly on the bodyweight of fillers or pigments are generally recommended.
SCA-K08M silane can also be employed to improve the compatibility of mineral fillers or pigments in polyolefins or to simplicity their dispersion in nonpolar matrices.
SCA-K08M silane is a tiny molecule to permit for deep penetration into the cementitious area. This content reacts with dampness in the air and in the substrate in the presence of an alkaline or acidic surroundings to generate hydroxy teams. These hydroxy teams will bond with the substrate and by itself to make a hydrophobic treatment that inhibits water absorption into the substrate. An alkaline setting, these kinds of as new concrete, will catalyze the response and velocity the development of the hydrophobic surface area.
