A liquid base product, characterized in that it comprises a first base product component reacted with a second base product component, wherein:
- the first base product component is selected from at least one of:
- vegetable oil, modified vegetable oil or a combination of these components;
- and
- the second base product component is selected from at least one of:
- nitrilotriethanol, monoethylene glycol, diethylene glycol, triethylene glycol, tetraethylene glycol, propylene glycol, dipropylene glycol, tripropylene glycol, 1,4-butanediol, nitrilodiethanol, nitrilomonoethanol, dimethylolpropane, pentaerythritol, sorbitol or a combination of these components,
- wherein the liquid base product comprises between 97% and 99.9% by weight of the first base product component and between 0.1% and 3% by weight of the second base product component, based on the total weight of the liquid base product,
- wherein the hydroxyl index of the liquid base product is in the range of from 45 to 180.