What are the toughening pathways for epoxy resins?

- Nov 20, 2018-

There are three main types of epoxy resin toughening pathways:

1. The rigid inorganic filler, the rubber elastomer and the thermoplastic polymer form a two-phase structure for toughening.

2. Toughening and modification is carried out by continuously penetrating through the epoxy resin network to form a semi-interpenetrating network polymer.

3. Improve the activity of the crosslinked network by changing the chemical structure of the crosslinked network (such as introducing a "flexible segment" in the crosslinked network).