Table 8.

Parameters of cellular structure and thermal conductivity coefficient of prepared foams

Parameter	1	2	3	4	5	6	7
Average cell size (μm)	192 ± 116	186 ± 106	172 ± 98	166 ± 91	163 ± 86	160 ± 83	163 ± 90
Circularity	0.35 ± 0.21	0.36 ± 0.23	0.50 ± 0.27	0.51 ± 0.27	0.54 ± 0.27	0.54 ± 0.24	0.59 ± 0.27
Aspect ratio	1.34 ± 0.31	1.32 ± 0.24	1.32 ± 0.27	1.31 ± 0.22	1.29 ± 0.22	1.29 ± 0.19	1.29 ± 0.23
Roundness	0.78 ± 0.15	0.78 ± 0.12	0.78 ± 0.12	0.78 ± 0.12	0.80 ± 0.12	0.79 ± 0.11	0.79 ± 0.12
Open cell content (%)	57.66	57.07	54.54	54.31	53.15	56.13	59.29
λ coefficient (mW/(m·K))	69.15	66.65	65.56	68.21	64.97	68.63	69.16