Wanhua Chemical——Application research of HMDA in Liquid composite molding
1. Performance research of HMDA: Adjustable reaction activity, low viscosity for a long time at medium and low temperatures; excellent thermal and mechanical properties
2. Development of HMDA formulation: Solution for surface crusting of epoxy resin/alicyclic amine, which is easy for vacuum defoamation
3. HMDA based fast curing agent: HMDA is appropriate to fabricate low viscous very fast amine hardener designed for RTM applications with excellent wetting and adhesion characteristics on glass-, carbon- or aramid-fibers. Benefits of this system are a low viscosity during infusion (~4min @ 80°C < 300 mPas) and a short curing cycle( 3~5min @ 115°C).
4. Low-active HMDA molecular design: Low-active HMDA molecular through Chemical modification with low exothermic and long operating time, which is suitable for large-scale composites liquid molding.