Table 2.

Comparison of D_m and K_ma values of OPEFRs in different foam materials at 23 °C.

Material	Chemical	Dm (m2/h)	Kma (dimensionless)	Method	Comment
PIR foam	TCEP	8.88 × 10−12	9.59 × 108	Microchamber emission test	This study
	TCIPP	6.51 × 10−12	1.37 × 108
	TDCIPP	N/A	N/A
PIR foam	TCEP	2.01 × 10−10	7.76 × 106	Small chamber sorption test	Liang et al. (2018a)
	TCIPP	8.25 × 10−11	6.85 × 106
	TDCIPP	1.39 × 10−11	1.90 × 108
PUF	TCEP	1.22 × 10−9	5.28 × 106	Small chamber sorption test	Liu et al. (2016)
	TCIPP	5.01 × 10−10	4.99 × 106
	TDCIPP	8.43 × 10−11	2.26 × 107
PUF	TCEP	2.95 × 10−9	3.87 × 106	Small chamber sorption test	Liu et al. (2016)
	TCIPP	1.21 × 10−9	3.70 × 106
	TDCIPP	2.03 × 10−10	1.23 × 107