A Study on Making Rigid Polyurethane Foams from Vietnam Rubber Seed Oil-Based Polyol by Using Water as a Single Blowing Agent

Table 1

Formulation of rigid polyurethane foam based on rubber seed oil.

No.	Foams	Water	Glycerol	NCO/OH	Dibutyltin dilaurate	Silicone		Amine
1.1	Sn0	4	3	0.8	0	0		0
1.2	Sn3				0.3
1.3	Sn4				0.4
1.4	Sn5				0.5
2.1	0S0A	4	3	0.8	0.4	0		0
2.2	25S2A					0.25 (L580)		0.2
2.3	35S2A					0.35 (L580)
2.4	L627	4	3	0.8	0.4	0.35	L627	0.2
2.5	L580						L580
2.6	B8158						B8158
2.7	B8298						B8298
3.1	R8.35	4	3	0.8	0.4	0.35 (L580)		0.2
3.2	R9.35			0.9
3.3	R10.35			1.0
3.4	R11.35			1.1
3.5	R12.35			1.2
3.6	R8.25	4	3	0.8	0.4	0.25 (L580)		0.2
3.7	R9.25			0.9
3.8	R10.25			1.0
3.9	R11.25			1.1
3.10	R12.25			1.2
4.1	A1.35	4	3	1.1	0.4	0.35 (L580)		0.1
4.2	A2.35							0.2
4.3	A3.35							0.3
4.4	A4.35							0.4
4.5	A1.25					0.25 (L580)		0.1
4.6	A2.25							0.2
4.7	A3.25							0.3
4.8	A4.25							0.4