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

Table 5

Dimensional stability of polyurethane foams.

Foam type	Dimensional stability (linear %) in 150°C
	Length		Width		Thickness
	After 20 h	After 40 h	After 20 h	After 40 h	After 20 h	After 40 h
FA1	1.96 ± 0.03	1.96 ± 0.05	2.86 ± 0.09	2.86 ± 0.09	2.68 ± 0.23	2.65 ± 0.23
FA2	0.84 ± 0.03	0.84 ± 0.04	1.11 ± 0.03	1.11 ± 0.03	0.99 ± 0.07	0.99 ± 0.09
FA3	1.32 ± 0.11	1.76 ± 0.13	0.13 ± 0.03	1.39 ± 0.50	0.45 ± 0.03	0.90 ± 0.04
FB1	0.64 ± 0.05	0.64 ± 0.06	0.00 ± 0.00	0.68 ± 0.02	0.00 ± 0.00	0.00 ± 0.00
FB2	0.15 ± 0.02	0.75 ± 0.05	0.52 ± 0.02	2.09 ± 0.06	0.00 ± 0.00	1.06 ± 0.11
FB3	1.91 ± 0.12	2.23 ± 0.67	0.54 ± 0.04	0.45 ± 0.02	0.48 ± 0.06	0.68 ± 0.09
FC1	18.40 ± 1.50	16.89 ± 1.28	16.11 ± 1.93	15.98 ± 1.79	3.91 ± 0.42	8.59 ± 0.76
FC2	7.87 ± 0.26	9.55 ± 0.23	5.51 ± 0.43	8.27 ± 0.55	6.25 ± 0.29	10.42 ± 0.72
FC3	8.28 ± 0.82	9.08 ± 1.01	14.58 ± 1.38	15.23 ± 1.54	15.94 ± 1.60	19.81 ± 2.02