CVC CTBN
CTBN 1300
Liquid nitrile butadiene rubber
Epoxy adhesive flexibiliser
Epoxy resin less brittleness
Epoxy brittleness
Epoxy flexibiliser
Epoxy resin island structure
Performance & Application:
● CTBN is a liquid nitrile butadiene rubber with carboxyl functional groups at both ends of the molecular chain. The carboxyl group at the end can react with epoxy resin and has a good toughening effect on epoxy resin.
● Mainly used for toughening epoxy resin.
● Customized index production according to customer needs.
Specifications
| Item | CTBN-1 | CTBN-2 | CTBN-3 | CTBN-4 | CTBN-5 |
| Acrylonitrile content, % | 8.0-12.0 | 8.0-12.0 | 18.0-22.0 | 18.0-22.0 | 24.0-28.0 |
| Carboxyl number, mmol/g | 0.45-0.55 | 0.55-0.65 | 0.55-0.65 | 0.65-0.75 | 0.6-0.7 |
| Molecular weight | 3600-4200 | 3000-3600 | 3000-3600 | 2500-3000 | 2300-3300 |
| Viscosity (27℃), Pa·s | ≤180 | ≤150 | ≤200 | ≤100 | ≤550 |
| Volatile, % | ≤1.0 | ||||
Packing
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