Patent ID: 11872728
Assignee: BASF SE
Field: Macromolecular chemistry, polymers (Chemistry)
Classification: CPC B  C | IPC B  C

Claim 0:
1. A process for preparing polyurethane moldings, comprising the steps
(i) providing a reaction mixture (M), comprising at least one polyisocyanate, and at least one component with two functional groups which are reactive towards isocyanates,
(ii) introducing the reaction mixture (M) into a mold; and
(iii) allowing the reaction mixture (M) to react to form a polyurethane molding,
wherein in step (i), at least one additive selected from the group consisting of vegetable oils is added to the mixture (M),
wherein the vegetable oil is added in an amount in the range of from 0.5 to 5 wt % based on the weight of the reaction mixture (M);
wherein the vegetable oil is selected from the group consisting of castor oil, olive oil, soybean oil, palm oil, coconut oil, canola oil, sunflower oil and grape oil; and
wherein the polyurethane molding is an integral polyurethane foam having a density in a range of from 400 to 700 g/l.