New Packaging Material By Using Mechanical Retting Kenaf As A Natural Filler

Siti Eaisyah , Kamaruzaman (2009) New Packaging Material By Using Mechanical Retting Kenaf As A Natural Filler. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

Egg packaging material mostly produced from non-biodegradable material such as PET and the material itself cannot protect the product properly such as recycle paper. The new natural composite which contain natural source and recycle material developed to design a new material packaging which are economically and environmental friendly. Different composition of starch, recycle newspaper, mechanical retting and water retting kenaf fiber contain in composition 2 until composition 6. This natural composite composition produce by using manual cold press technique and dried it under the sunlight. There are four mechanical tests and one physical test has done which are Tensile Test, Flexural Test, Impact Test, Water Absorption Test and Vibration Test. These entire tests will be following the ASTM D 638, ASTM D 790, ASTM D 256, ASTM D 570 and ASTM D 3580 standard respectively. Composition 9 and 10 as reference compositions contain 100 percent of PET and recycle paper which these materials exist in the market. Young’s Modulus value for composition 9 or PET higher 99.31 % than composition 2 which is the third higher because PET is a polymer and the elasticity should be higher and the common failure mode is delamination and pull out condition. From impact test result, the impact energy of specimen composition 2 more higher 100 % impact energy absorb and impact strength compare to composition 9. This is because composition 9 has a very small value that cannot detect by the machine. Critical damping value composition 2 for vibration test has higher 97.05 % than composition 9. This value is the maximum damping that can reduce the amplitude of the vibration. This natural composite can replaced current material from observation and data analysis. The best composition is composition 2 which contains 70 percent of tapioca starch, 20 percent of recycle newspaper and 10 percent of mechanical retting kenaf fiber with thickness 10.3 ± 0.2 mm has Young’s modulus, impact strength and critical damping value are 11234.88 kPa, 17 kJ/m2 , 0.85. Some of the result has a small different and some has a large different value when compare to the available material where the reference specimen made from different process method that involve high technology such as injection molding.

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