#TITLE_ALTERNATIVE#
Indonesia as a tropical country is rich in coconuts which also forms an export commodity. The coconut production of Indonesia nowadays approaches about 10,000 millions ton each year. From that production about 3.85 millions ton coconut coirs is formed as waste. This agricultural waste should be used...
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| Format: | Theses |
| Language: | Indonesia |
| Online Access: | https://digilib.itb.ac.id/gdl/view/9663 |
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| Institution: | Institut Teknologi Bandung |
| Language: | Indonesia |
| Summary: | Indonesia as a tropical country is rich in coconuts which also forms an export commodity. The coconut production of Indonesia nowadays approaches about 10,000 millions ton each year. From that production about 3.85 millions ton coconut coirs is formed as waste. This agricultural waste should be used to high valuable materials. Analysis of coconut coirs revealed a high cellulose content. Lignin in black liquor, which is a waste of the paper and pulp factory, is also high. Melting point and infra red spectra of both materials were adequate to identify them. Both material together with polyethylene resin can be form a composite by polyblending processes. The mixing condition in forming the composite were as follows : composition of cellulose and polyethylene with a 1 : 2 (w:w) ratio, at a temperature of 140oC, and mixing time of 20 minutes. Lignin has been added to the mixture with varying amounts, and with a fixed amount of plasticizer. The result of the polyblending processes indicated that the composite showed flexible properties, and was strong. From the composite characteristics, it appeared that lignin functioned as additive forming crosslinking in the composite, which showed a positive influence to certain extent. |
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