Research Article

The Modification of Polyurethane Foams Using New Boroorganic Polyols (II) Polyurethane Foams from Boron-Modified Hydroxypropyl Urea Derivatives

Table 10

Content of boron and nitrogen in the obtained foams.

Foam typeBoron content (wt%)Nitrogen content (wt%)

FA10.8339.15
FA20.6168.12
FB10.8518.95
FB20.7038.07
FC108.98
FC207.66