In the free-radical cross-linking multiallyl polymerization, the structure of network polymer precursor (NPP) consisting of oligomeric primary polymer chains would become core-shell type dendritic or nanogel-like with the progress of polymerization and then, the NPPs can collide with each other to form cross-links among NPPs, eventually leading to gelation. Thus, the dilution of NPP by newly adding monomer could prevent the cross-link formation between NPPs and consequently, lead to the successive growth of NPP from nanogel to microgel.
- Hiroyuki Hamamoto
- Kota Himei
- Akira Matsumoto
