الفهرس | Only 14 pages are availabe for public view |
Abstract Improving ageing properties of paper & evaluation of the security features’ effectiveness in the universal currency (contemporary Egyptian, Arabian and foreign paper money) The thesis comprises three main chapters: The first chapter: is the introduction. The second chapter: is the experimental. The third chapter: is the results and discussion. This thesis includes, analyzes, displays and disuses the following: Toward the end of the 18th century, the increase in the demand for paper required technological and scientific improvements in paper production. Most industrialized countries tried to find new economic raw materials. After several failed attempts, in the 19th century the first wood-based, wood pulp paper production processes were patented. Paper is nowadays a good present in many aspects of our daily life. It is thus not strange that its production and trade have reached a global Scale. Therefore, the concurrent spreading of paper additives is an issue of concern, Since it is seldom considered in a life cycle perspective. The paper industry is constantly looking for new ideas for improving paper products while competition and raw materiel prices are increasing. Banknotes are essential demand for our life. Could you do anything without money? Could you eat, Study, buy, Sell, ……etc? Without money? Imagine your day without having money paper, you will realize then you have big problems as money is the tool to have and do a lot of things, Hence the importance of paper banknote comes. |