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Studies on Preparation of Composite from Fibrous Waste Materials (QEID)

Paper is made up of short length cellulosic fibres sourced from plants. After consumption it goes to trash bins and thus comes to be termed as “waste paper”. This waste paper when recovered becomes the reclaimed cellulose fibre base suitable for paper making. Today the term “recycled fibre” is used to refer to the post-consumer paper that has been collected and reused to make paper. Use of recycled fibre for paper making has been picking up the world over .The present recovery and utilisation of waste paper by paper mills in India is 3.0 million tonnes annually, which translates to recovery of 27% of the total paper and paperboard consumed. This recovery rate is very low when compared to developed countries like Germany-73%, Sweden-69%, Japan-60%, Western Europe-56%, USA-49% and Italy-45%.

Good composites can be made by using waste paper with fibres and resin matrix. Paper is made by wood fibre which is suitable for composite. Waste polyethylene paper can be used as a thermo plastic resin. Sisal fibre would be used for enhancing mechanical property of composite. Sisal and other lingo-cellulosic  fibres are suitable for composite used.  Ligno-cellulosic fibres would be used along with waste paper as a reinforcement.

Increasing concern about the global warming, primarily due to deforestation has led to the ban on use of wood in government buildings. Subsequently, a large action plan for the development of wood substitute has resulted in creation of more awareness about the use of natural fibre based building materials. In the past one decade or so the joint efforts by R & D organizations, private industries and funding agencies provided the much needed thrust for the actual transfer of technical know-how and product to the end users.Most of the developing countries are very rich in agricultural and natural fibre. Except a few exceptions, a large part of agricultural waste is being used as a fuel. India alone produces more than 400 million tonnes of agricultural waste annually. It has got a very large percentage of the total world production of rice husk, jute, stalk, baggase and coconut fibre. All these natural fibres have excellent physical and mechanical properties and can be utilized more effectively in the development of composite materials for various building applications.

  • Fabrication and process optimization of waste material based composite.
  • Development of “table top” from waste material based composite.
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