Big Chemical Encyclopedia

Chemical substances, components, reactions, process design ...

Articles Figures Tables About

Coarsening Dissolution/reprecipitation

Polycondensation reactions (eqs. 3 and 4), continue to occur within the gel network as long as neighboring silanols are close enough to react. This increases the connectivity of the network and its fractal dimension. Syneresis is the spontaneous shrinkage of the gel and resulting expulsion of Hquid from the pores. Coarsening is the irreversible decrease in surface area through dissolution and reprecipitation processes. [Pg.252]

Coarsening or ripening is a process of dissolution and reprecipitation driven by differences in solubility, s, between surfaces with different radii of curvature, r ... [Pg.188]

See other pages where Coarsening Dissolution/reprecipitation is mentioned: [Pg.52]    [Pg.361]    [Pg.622]    [Pg.276]    [Pg.656]    [Pg.253]    [Pg.258]    [Pg.150]    [Pg.151]    [Pg.1515]    [Pg.50]    [Pg.253]    [Pg.9]    [Pg.253]    [Pg.258]    [Pg.342]    [Pg.261]    [Pg.621]    [Pg.305]    [Pg.911]    [Pg.922]    [Pg.3046]    [Pg.156]    [Pg.116]    [Pg.396]    [Pg.282]    [Pg.1870]    [Pg.209]    [Pg.648]    [Pg.160]   


SEARCH



Dissolution/reprecipitation

© 2024 chempedia.info