Natural fibres grass

The employment of natural fibres, such as cellulose pulp, sisal, bamboo, hemp, flax, jute, ramie fibres, etc., is restricted to countries where these fibres are easily available. They are important constituents of structural elements used for construction of inexpensive buildings in developing regions of the world (Coutts, 2005). In Africa, sisal fibre-reinforced concrete has been nsed extensively for making roof tiles, corrugated sheets, pipes, silos, and gas and water tanks. Subrahmanyam (1984) cited the application of elephant grass... 

Blends of two or more biopolymers are not presented here, they are included in the paragraph describing the main constituent of their matrix. Starch or lignin are often added as a filler. Depending on their concentration, these blends are described in the section dedicated to starch/lignin or to their main matrix component. The main natural fibres that can be added to biopolymers are cotton, jute, flax, hemp, ramie/china grass, sisal, kenaf, kapok and abaca (Beckwith, 2003). Table 1.2 summarises the major properties of these fibres (Drzal et al, 2002)... 

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