Resin, Flame Retardant and Additives
Cyclic Carbodiimide
Teijin's new resin additive cyclic carbodiimide is cyclic compound containing carbodiimide bonds. It is a new type of additive that exerts various effects depending to resins and applications, including not only suppression of hydrolysis, which is innate ability of carbodiimide additives, but also improving heat resistance and increasing melt viscosity.
Features
Structure and effects of cyclic carbodiimide
Structure schematic of cyclic carbodiimide
| Resins | Expected effects of cyclic carbodiimide |
|---|---|
| Polyester Polyamide Polyurethane |
|
| Combinations of the resins above |
|
| Thermosetting resins |
|
Novel hydrolysis inhibitor without generation of isocyanate gas
The amount of generated isocyanate gas when added to polylactic acid
Cyclic carbodiimide is a hydrolysis inhibitor that does not generate harmful isocyanate gas when mixed with resins thanks to its cyclic structure. It is possible to be manufactured and used safely at manufacturing sites.