Yellowing-resistant polyurethane foam material (Aliphatic isocyanate)

Yellowing-resistant polyurethane foam material (Aliphatic isocyanate)

Our invention relates to a method for preparing a yellowing resistant polyurethane foam material and a finished product thereof, in particular to a method for preparing a yellowing resistant polyurethane foam material by using a one-step method and a finished product with an anti-yellowing grade of more than 5.5 (ISO 105 B02) is provided.