Research Article

Synthesis and Morphology of Flexible Polyurethane Foams Containing Neem Oil and Clove Powder

Table 2

Foam formulations with different isocyanate index.

Foam components% weight of components (parts per hundred polyol)
At an isocyanate index of 103At an isocyanate index of 108

Polyol100100
TDI51.4453.42
Surfactant0.200.45
Water3.754.57
Methylene chloride1.501.50
Tin catalyst0.2460.246
Amine catalyst0.0280.028
Neem oil0.50.5
1.01.0
Clove powder0.50.5
1.01.0