| abstract |
Disclosed is a formulation of a non-yellowing polyurethane foam including a surfactant, a catalyst, a blowing agent, and a prepolymers combination made from at least one aliphatic isocyanate, and a crosslinking agent. The described crosslinking agents include polyetherdiamine, ethanolamine, carbodiimide, or combinations thereof. The polyurethane foam has superior non-yellowing properties under UV or high temperatures, and can be produced by molds or continue process. |