introduction polyurethane catalyst k15, also known as dabco k-15 or bis(2-dimethylaminoethyl)ether, is widely used in the polyurethane (pu) industry to accelerate the reaction between isocyanates and polyols. the environmental impact of this catalyst has become a significant concern due to its widespread use in various applications such as foams, coatings, adhesives, elastomers, and sealants. this...