Figure 6
From: Novel microcapsules for internal curing of high-performance cementitious system
(A) OM images and particle size distribution of microcapsules fabricated under different stirring rate: (a,b) 200 rpm; (c,d) 300 rpm; preparation conditions: polymer dose: 5%; PVA concentration in outer water phase: 0.5%. (B) water release time for different microcapsules shell thickness.
