TEMPLATING NANOSTRUCTURES IN EPOXY RESIN USING STYRENIC BLOCK COPOLYMERS A THESIS SUBMITTED TO THE CENTRAL DEPARTMENT OF CHEMISTRY INSTITUTE OF SCIENCE AND TECHNOLOGY TRIBHUVAN UNIVERSITY, KIRTIPUR KATHMANDU, NEPAL FOR THE AWARD OF THE DEGREE OF DOCTOR OF PHILOSOPHY IN CHEMISTRY BY RAJESH PANDIT JUNE 2015

Abstract

In the 21st century global warming becoming the most challenging problem, a huge amount of wastes are generated due to the rapid urbanization and construction of several new structures, renovation and demolition of old buildings especially in developing countries several million tons of construction and demolition wastes (CDW) globally. Much of the concrete waste from the construction industries is used as land filled, leading to environmental and ecological problems such as occupation of large areas of land, generation of dust, contamination of surface and underground water.