ABSTRACT
Stabilized adhesive was developed and produced. The development was made by the production of samples of the adhesive with varied quantities of the active ingredients and the additives. From the various formulations made, it was observed that formulations A is the best for paper adhesive.
In the formulation, starch was used as the binder, NaOH as a gelatinize, CaCO3 as the filler, the solvent was water, while formaldehyde was used as a preservative to control microbial attack. Borax provided the additional strength.
The working properties such as viscosity, strength (Bonding Strength) melting point etc was determined by analysis based on comparative study. The valves obtained in the table under result in chapter 3.4.0, adhesive was compared farvurably with those already existing in the market.
CHAPTER ONE
INTRODUCTION
1.0 PREAMBLE
Technology has played an important role in man’s development and thus, has helped to shape the world as we see it today, this could be seen in all facets of industrial ventures, hence the introduction of new products into the market.
Man’s growing desire to hold two or more substance together by surface attachment so that they can be used as a single piece coupled with the technology advancement has given birth to a broad range of adhesive production to serve this purpose.
The technology has led to the conversion of starch which is gotten from cassava by mild caustic soda solution into a liquid glue that was stable at room temperature. It is the aim of this project to produce stabilized adhesive from cassava starch. Though starch can be extracted from other plants for example rice, wheat, potatoes etc. but our case of production is from cassava.
The starch – based commercial glue is very vital in paper industries and in other industries such as, bonding of corrugated board, laundry work for stiffening purposes, in sizing cloth, etc.
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