scholarly journals Cassava starch biodegradable films: Influence of glycerol and clay nanoparticles content on tensile and barrier properties and glass transition temperature

LWT ◽  
2012 ◽  
Vol 46 (1) ◽  
pp. 110-117 ◽  
Author(s):  
A.C. Souza ◽  
R. Benze ◽  
E.S. Ferrão ◽  
C. Ditchfield ◽  
A.C.V. Coelho ◽  
...  
Keyword(s):  
Glass Transition ◽  
Transition Temperature ◽  
Glass Transition Temperature ◽  
Barrier Properties ◽  
Cassava Starch ◽  
Biodegradable Films ◽  
Clay Nanoparticles

scholarly journals Preparation and Properties of Polyester-Based Nanocomposite Gel Coat System

2006 ◽  
Vol 2006 ◽  
pp. 1-7 ◽  
Author(s):  
P. Jawahar ◽  
M. Balasubramanian
Keyword(s):  
Glass Transition ◽  
Transition Temperature ◽  
Glass Transition Temperature ◽  
Polyester Resin ◽  
Unsaturated Polyester ◽  
Flexural Modulus ◽  
Tensile Modulus ◽  
Barrier Properties ◽  
Mechanical Analysis ◽  
Water Barrier

Nanocomposite gel coat system is prepared using unsaturated polyester resin with aerosil powder,CaCO3, and organoclay. The influence of organoclay addition on mechanical and water barrier properties of gel coat system is studied for different amount (1, 2, and 3 wt%) of organoclay. The nanolevel incorporation of organoclay improves the mechanical and water barrier properties of nanocomposite gel coat system. The nanocomposite gel coat system exhibits 55%improvement in tensile modulus and 25%improvement in flexural modulus. There is a 30%improvement in impact property of nanocomposite gel coat system. The dynamic mechanical analysis shows a slight increase in glass transition temperature for nanocomposite gel coat system.

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