Environmentally Friendly Flame-Retardant and Its Application in Rigid Polyurethane Foam

Table 1

Formulations of RPUF.

Sample		Polyol		PAPI	DPTP	Blowing agent (n-pentane)	Catalyst, N,N-dimethylcyclohexylamine (DMCHA)
		HF4110	HF4110H
1#	Neat PU	30	70	138	0	30	0.5
2#	DPTP 2 phr	30	70	138	2	30	0.5
3#	DPTP 5 phr	30	70	138	5	0.5	0.5
4#	DPTP 2 phr	30	70	138	8	0.5	0.5
5#	DPTP 2 phr	30	70	138	10	0.5	0.5