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The Project File Details
1.1 BACKGROUND STUDY
Paint is a term used to describe a number of substances that consists of a pigment suspended or paste vehicle such as oil or water. However paint is often referred to as any material that may be applied as a continuous layer to a surface. It is commonly used to protect, colour, or provide texture to objects. With a brush or roller or spray gum, paint is applied in a thin coat to various surfaces such as wood, metals or stone. (www.madehow.com/paint.html)
Paint has been recognized to provide aesthetic and protective requirements. Although its primary purpose is to protect the surface to which it is applied, it is also a form of decoration.
The components of paints are pigments, vehicles (solvents), extenders, binders and additives. However not all paints contain all the components e.g. gloss paint do not contain extenders which are organic coarse particle materials. The pigment gives the paint its colour, solvents makes it easier to apply, resins helps it to dry and additives adds to everything from fillers to antifungicidal agents. Hundreds of different pigments both natural and synthetic exist. The basic white pigment is titanium-di-oxide , selected for its excellent concealing properties and black pigment is commonly made from carbon black. Other pigments used to make paints includes iron oxide and caldium sulfide for red, metallic salts for yellow and oranges and iron blue and chrome yellow for blue and green.
Solvents are various low viscous volatile liquid. They include petroleum, mineral spirits and aromatic solvents such as benzol, alcohols, esters, ketones and acetones. The natural resins commonly used are linseed coconut and soybean oil, while alkyd, acrylics, epoxies and polyurethane number among the most synthetic resins. Additives serve many purposes. Some like calcium carbonate and aluminum silicate are simply fillers that give the paint body and substance without changing its properties. Other additives produce certain desired characteristics in paint such as the thixotropic agents that gives paints its smooth texture, driers anti-settling agents, anti-skinning agents, defoamers, and a host of others that enables paint to cover well and last long.
Volatile organic carbons are (VOCs) are usually produced as a by-product during the production of paint when conventional chemicals are used. Inhaling these chemicals may pose serious health problems to both producers and users. Hence, serious care should be taken to avoid health hazards poised on both producers and consumers at the point of application.
Paint is generally custom made to fit the needs of industrial customers. For example, one might be especially interested in a fast- drying paint, while another might desire a paint that provides good coverage over a long life time. Paint intended for the customer can be custom made. Paint manufacturers provide such a wide range of colours that it is impossible to keep large quantities of each on hand. To meet a request for different colours of paint e.g. aquamarine, canary yellow or maroon, the manufacturer will select a base that is appropriate for the deepness of the colour required ( lighter paints bases will have high amount of titanium-di-oxide, the white pigment while darker tones will have less.). then according to pre determined formula, the manufacturer can introduce various pigments from calibrated cylinders to obtain proper colour.
We have different variant or varieties of paints. Some of them are as follows.
Other variants includes glaze, pearl (satin), wood stain, semi gloss. Etc
1.2 PROBLEM STATEMENT
The problem statements of this research work are as follows
The aim of the research work is to produce emulsion paint using dyed cassava starch as pigment.
The objectives of this research work are as follows
1.5 SCOPE OF THE RESEARCH
The scope of this project research work is organized to cover all vital aspects of emulsion paint formulation and production using dyed cassava starch as raw material as a replacement for the conventional chemical pigment used in emulsion paint production. However, emphasis will be laid on the systematic procedure for processing the local pigment used.
1.5 RELEVANCE OF STUDY
Considering the high cost of importing or buying pigment from the paint market thereby making the paint more costly in the market thereby causing economic constraint and untold hardship to consumers, there are need to look at our local materials and know if we can get some of these raw materials needed for the production of these paints, materials like cassava starch. Thereby reducing the cost of production. It can also be a source of income to our local cassava farmers. It can also be introduced in our higher institutions as a form of entrepreneurship course so as to allow student choose paint manufacturing as an occupation after school. This work promotes the utilization of local content.
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