The main objective of the project is to illustrate the preparation of rayon by the cuprammonium process. Rayon is a manufactured fiber made from natural sources such as wood and agricultural products that are regenerated as cellulose fiber.The many types and grades of rayon can imitate the feel and texture of natural fibers such as silk, wool, cotton, and linen.. Rayon is manufactured from natural cellulose, and hence is not considered to be synthetic. Rayon from Dryer Lint: A Demonstration. Although viscose rayon is a manmade fiber and it is produced by a spinning process. The process of making viscose was discovered by C.F.Cross and E.J.Bevan in 1891. Michael A. Knopp . Cotton linters are used as the source of cellulose for this rayon. Mainly viscose rayon is used as the alternatives of natural silk fiber. Rayon is a regenerated fiber, because cellulose is converted to a liquid compound and then back to cellulose in the form of fiber. It is regenerated from solution by adding sulphuric acid. It is essential for textile manufacturing industries to invent new resources, composites and industrial technologies, which are environmentally acceptable and can fulfill the consumer necessities. It is the principal component of the covering of plant cells. ‘Cuprammonium rayon’ is usually made in fine filaments that are used in blouses, lightweight summer dresses and in combination with cotton for textured fabrics. DOI: 10.1021/ed074p401. Manufacturing Process of Cuprammonium Rayon. The ‘cuprammonium process’ duplicated in this activity is one of the earliest methods used for producing rayon, but is less cost-effective now than some other more modern methods. ‘The two most commonly used production methods for rayon are the cuprammonium process and the viscose process.’ ‘This paper deals with the preparation and characterization of keratin/cellulose films prepared by coagulating polymers blends from cuprammonium solution.’ Cuprammonium Rayon: Cuprammonium rayon is obtained by dissolving pieces of filter paper in a deep blue solution containing tetra-ammine cupric hydroxide. The latter is obtained from a solution of copper sulphate. Rayon is a manufactured fiber made from natural sources such as wood and agricultural products that are regenerated as cellulose fiber.The many types and grades of rayon can imitate the feel and texture of natural fibers such as silk, wool, cotton, and linen.. Rayon is manufactured from natural cellulose, and hence is not considered to be synthetic. Cuprammonium rayon is a rayon made from cellulose dissolved in cuprammonium solution.. The cuprammonium process can be useful for preparing rayon from waste papers. Investigating the Cuprammonium Rayon Process in a High School Laboratory. Day by day the demand of the viscose rayon is increases rapidly. Looking for cuprammonium process? A process by which rayon is made from regenerated cellulose in a solution of ammoniacal copper oxide Explanation of cuprammonium process Journal of Chemical Education 1997, 74 (4) , 401. PREPARATION OF RAYON BY CUPRAMMONIUM PROCESS Introduction Cellulose is the chief structural component to which plants owe their rigidity and form. Cuprammonium Rayon: Cuprammonium rayon is obtained by dissolving pieces of filter paper in a deep blue solution containing tetra-ammine cupric hydroxide.