OMICURE BC-120
OMICURE BC-120
OMICURE BC-120, a Lewis Acid, is intended for use as a room-temperature-latent elevated-temperature catalytic curing agent for epoxy resins. OMICURE® BC-120, in combination with liquid epoxies, produces clear homogeneous formulations. To incorporate this product, heat the resin to 30-35°C and stir in the curing agent. When used to cure EPALLOY® 7190 (DGEBA), where 1 to 9 phr BC-120 are typically used, room temperature shelf lives of greater than one year can be realized. Curing can be accomplished at temperatures above 120°C. Higher temperatures reduce cure times. When using 3 phr OMICURE BC-120 with 7190, and curing for 2 hours at 150°C, a Tg of 120°C was obtained. Using higher amounts of this product will shorten cure times and increase Tg. Higher Tg’s can also be achieved by using epoxy novolac resins in place of 7190.
This product can also be used as an accelerator in the aromatic amine, acid anhydride, or dicyandiamide cure of epoxy resins. The pot lives of these formulations will be significantly longer than those obtained when using BF3 MEA or DMP-30 as the accelerator. Typically 0.5 to 1.0 phr OMICURE BC-120 is used for acceleration.
Applications for OMICURE BC-120
As a latent accelerator in the dicyandiamide cure of epoxy resins used in:
- Castings
- Potting
- Adhesives
- Electric enamels
- Filament winding
- Pultrusion
Properties
Check out other OMICURE Curing Agents, Accelerators, and Catalysts in the CVC Product Brochure!
