The modification of polyurethane foams using new boroorganic polyols (II) polyurethane foams from boron-modified hydroxypropyl urea derivatives.

摘要: The work focuses on research related to determination of application possibility new, ecofriendly boroorganic polyols in rigid polyurethane foams production. Polyols were obtained from hydroxypropyl urea derivatives esterified with boric acid and propylene carbonate. influence esterification type properties next was determined. Nitrogen boron impacts the foams’ discussed, for instance, their physical, mechanical, electric properties. Boron presence causes improvement dimensional stability thermal foams. They can be applied even at temperature 150°C. Unfortunately, introducing polyurethanes affects deterioration water absorption, which increases as compared that do not contain boron. However, both nitrogen determines decrease combustibility. Main impact combustibility has presence, but case proper ratio synergic activity easily seen.