Starch

Category Type Material
Fibers Vegetable Fibers

show all Fibers types

 Banana fiber
Coir
Cotton
Felt
Flax
Hemp
Jute
Ramie
Sisal
Starch

Data Table for: Fibers: Vegetable Fibers: Starch

Mechanical Properties

Quantity Value Unit
Young's modulus 600 - 800 MPa
Tensile strength 22 - 50 MPa
Elongation 0.016 - 5 %

Physical Properties

Quantity Value Unit
Melting temperature 0 - 145 °C
Density 1260 - 1260 kg/m3
Resistivity 1e+15 - 1e+20 Ohm.mm2/m
Dielectric loss factor 4 - 6

Environmental Data

Quantity Value Unit
Author: Idemat 2003, Design for Sustainability, Delft University of Technology

General

     
Remarks This is a polylactic acid derived polymer (PLA) made by fermentation of starch containing agricultural products like potato (waste), rice, maize, tapioca, wheat and alike. Due to its biodegadability and thermoplasticity it is suited for orthopedic material.

The rate of degradation can be varied. The degradation time is 2 to 4 months. It is e.g used as surgery thread because it is absorbt in the body.The polymerisation katalysts however are usually toxic. Residual catalyst content possess a risk for the patients when freed at degadation of the material.

Sample: Vegetable Fibers

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