Modyfication of the Rigid Polyurethane-Polyisocyanurate Foams
Table 2
Receipts used to prepare rigid PUR-PIR foams with addition of polyethylene glycol 1500 (initial foams).
Raw material, g
Number of foam
0
1
2
3
4
5
6
7
8
Rokpol RF-55
60.0
60.0
60.0
60.0
60.0
60.0
60.0
60.0
60.0
Polyethylene glycol 1500
00.0
8.6
17.2
25.8
34.4
43.0
51.6
60.2
68.8
Silicone L 6900
4.6
4.6
4.6
4.6
4.6
4.6
4.6
4.6
4.6
DABCO
2.8
2.8
2.8
2.8
2.8
2.8
2.8
2.8
2.8
Catalyst 12
6.5
6.5
6.5
6.5
6.5
6.5
6.5
6.5
6.5
Antiblaze TMCP
34.6
34.6
34.6
34.6
34.6
34.6
34.6
34.6
34.6
Water
3.15
3.15
3.15
3.15
3.15
3.15
3.15
3.15
3.15
Ongromat 30–20
265.7
284.0
284.0
284.0
284.0
284.0
284.0
284.0
284.0
2.5% (8.6 g), 5.0% (17.2 g), 7.5% (25.8.0 g), 10.0% (34.4 g), 12.5% (43.0 g), 15.0% (51.6 g), 17.5% (60.2 g), and 20.0% (68.8 g) w/w of polyethylene glycol were added with respect to the sum of Rokpolu RF-55 and Cosmonate 200 PMDI weight.
