Physicochemical Principles of Synthesis and Modification of Unsaturated Polyester-Polyvinyl Chloride Composites and the Properties of Materials Derived from Them

Figure 8

SEM micrographs of modified polyester materials. PVC content (pts.wt.): 1—0; 2 and 3—10. The time from the beginning of the PVC introduction to the beginning of curing of composition (min): (a) 0; (b) 5; (c) 90.

(a)

(b)

(c)