Flexible Polyurethane Foams Modified with New Bio-Polyol Based on Rapeseed Oil

2015 ◽  
Vol 3 (1) ◽  
pp. 14-18 ◽  
Author(s):  
Sławomir Michałowski ◽  
Aleksander Prociak
Keyword(s):  
Rapeseed Oil ◽  
Polyurethane Foams ◽  
Flexible Polyurethane

The effect of various rapeseed oil-based polyols on selected properties of flexible polyurethane foams

Polimery ◽  
2016 ◽  
Vol 61 (11/12) ◽  
pp. 799-806 ◽  
Author(s):  
Elzbieta Malewska ◽  
Szymon Bak ◽  
Maria Kuranska ◽  
Aleksander Prociak
Keyword(s):  
Rapeseed Oil ◽  
Polyurethane Foams ◽  
Flexible Polyurethane

In situ monitoring of isophorone diisocyanate-based flexible polyurethane foams formation

2016 ◽  
Vol 54 (1) ◽  
pp. 37-52 ◽  
Author(s):  
I Eceiza ◽  
L Irusta ◽  
A Barrio ◽  
MJ Fernández-Berridi
Keyword(s):  
Foam Height ◽  
Polyurethane Foams ◽  
In Situ Monitoring ◽  
Generation Process ◽  
Isophorone Diisocyanate ◽  
Experimental Conditions ◽  
Foaming Process ◽  
Foam Generation ◽  
Flexible Polyurethane

Novel isophorone diisocyanate-based flexible polyurethane foams were prepared by the one-step method in a computerized foam qualification system (FOAMAT). The experimental conditions to obtain this type of foams, in relation to the nature and concentration of catalysts as well as the reaction temperature, were established as no data were available in scientific literature. The chemical reactions occurring during the foam generation process were monitored in situ by attenuated total reflectance-FTIR spectroscopy. The kinetics of the foam generation was fitted to an nth order model and the data showed that the foaming process adjusted to a first-order kinetics. The physical changes as pressure, foam height, and dielectric polarization were monitored by the FOAM software (FOAMAT). According to these parameters, the foaming process was divided into four steps: bubble growth, bubble packing, cell opening, and final curing.

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