Development of Flexible Polyurethane Nanostructured Biocomposite Foams Derived from Palm Olein-Based Polyol

Table 2

Formulation of petroleum- and palm-based PU foams.

Ingredients	Concentration, php
	Petroleum-based PUF	Palm-based PUF
Poly-G 85-29	93.5	83.5
Poly-G 92-27	5.0	5.0
Pioneer E-135	—	10
Lumulse POE 26 (cell opener)	1.5	1.5
Diethanolamine (chain extender)	0.5	0.5
Tegostab B 4113 (surfactant)	2.0	2.0
Dabco 33LV (catalyst)	0.1	0.1
Niax A-1 (catalyst)	0.1	0.1
DBTDL (catalyst)	0.15	0.15
Distilled water (blowing agent)	3.75	3.75
Isocyanates index of Desmodur 3133	90	90

The concentrations of all ingredients are expressed in parts per hundred parts of polyol.
The amount of isocyanates used relative to the theoretical equivalent amount. Isocyanate index is defined as the ratio of the equivalent amount of isocyanate used relative to the theoretical equivalent amount times 100.