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Formulation and Production of Emulsion Paint

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Formulation and Production of Emulsion Paint


The major aim of this project is to produce emulsion paint from locally sourced pigment & extenders.

The materials used for the production was of local source.

The major raw materials used for the production of the emulsion paint: water, titanium iv oxide, calcium carbonate, kaolin, calgon, natrosol, biocide P.V.A, ammonia, deformer (Ginap) kerosene, yellow iron oxide and red iron oxide.

Emulsion paint of two (2) samples was produced, and calcium carbonate locally obtained was used in larger quantity in order to reduce the cost of production of the paint with little of the expensive titanium iv oxide added.

The first sample was a creamy white colour paint, while the second sample has a result of the mixture of blending of locally sourced yellow iron oxide and red iron oxide. Pigment, that was added to it. The two (2) samples gave high quality emulsion paints in terms of its brush ability, opacity, coverage, stability etc.

Quality control test carried out on the two (2) samples of emulsion paint showed that the local pigment and extenders used (titanium iv oxide, calcium trioxocarbonate iv, kaoline, yellow iron oxide and red iron oxide) fitted in so well in the paints to give the necessary adhesion, opacity and coverage, with excellent binding effect observed.



1.0 Introduction
1.1 Objectives of the research project
1.2 Scope of
1.3 Significance of study


2.0 Literature Review
2.1 Historical review of paint industry
2.2 Outline of paint technology
2.3 Paint types
2.3.1 Emulsion (water-based) paint
2.3.2 Latex paint
2.3.3 White wash
2.3.4 Case in paint
2.3.5 Cement paint
2.3.6 Linseed emulsion paint
2.3.7 Gloss (oil) paint
2.3.8 Enamels
2.3.9 Traffic paints
2.3.10 Making paints
2.4 Specialties
2.4.1 Fire-retardation paints
2.4.2 Aerosol colours
2.4.3 Insecticide paint
2.5 Paint composition and formulation
2.5.1 Resins (film formers)
2.5.2 Solvents
2.5.3 Pigments and extenders
2.6 Exterior building paints – formulation
2.7 Paint qualities and quality control
2.8 Description of raw materials for paint manufacture


3.0 Method of paint formulation
3.1 Raw materials for paint formulation
3.2 Raw materials for emulsion paint formulation
3.3 Functions of the raw materials
3.4 Formulation of emulsion paint
3.5 s of paint formulation
3.5.1 Pigment to binder ratio
3.5.2 Pigment volume concentration (PVC)
3.5.3 Solid content
3.5.4 Weight per volume
3.6 Process flow diagram (sheet) for production of emulsion paint
3.7 Block flow diagram for production of emulsion paint
3.8 Formula for samples selection


4.0 Quality control test
4.1 Equipments for quality control test
4.2 Quality control tests and results


5.0 Economic evaluation
5.1 Costing for sample A
5.2 Costing for formulation B
5.3 Profitability analysis
5.4 Break-even analysis


6.1 Discussion
6.2 Conclusion
6.3 Recommendation

Appendix 1

The son standard specification and the test properties of the samples
Appendix 2
Formulation for sample A
Appendix 3
Formulation for sample B
Appendix 4
Manufacture of titanium dioxide from its local ore (ILMENITE)



Paint is a fluid, or semi-fluid material which may be applied to surfaces in relatively thin layers, and which changes to a solid coating with time. The coating with time. The change to a solid material may or may not be reversible, and may occur by evaporation of solvent by chemical reaction, or by a combination of the two.

Paints usually consist of vehicle or binder, a pigment which contributes obscurities colour, hardness and bulk to the film, and a solvent or thinner which controls the consistency.
Paint is ally ified into two, which are gloss paint and emulsion paint.


These are paints that may be ified according to whether the drying mechanism is predominantly solvent evaporation, oxidation or some chemical reaction. Gloss paints which dry essentially by solvent evaporation, reply on a fairly hard resin as the vehicle.

Paints which dry by oxidation, the vehicle is usually an oil or an oil-based varnish, these usually contains driers to accelerate the drying of the oil. Paint based essentially on oil with suitable pigment such as titanium dioxide, extenders, and usually zinc – oxide and white lead, are conventional outside house paints because these materials give the combination. Of properties which meet this requirement.


These are paints with water – soluble vehicle and they includes, calcimines, in which the vehicle is glue and case – in paints, in which the vehicles is casein or soybean protein.

This project research study is directed towards producing and formulating of emulsion paint (water –thinned paint) from local pigments and extenders as raw materials. The high demand for emulsion paint for protective and decorative purposes has encourage the development of different equipments for the manufacturing operation.

This piece of is due to reducing the high cost of emulsion paint formulation and production, because of the imported raw materials. (E.g Titanium dioxide), and thereby disclosing a local raw material from our natural domain which could also be used for the same purpose. An example of this locally obtained raw material for emulsion paint production is calcium carbonate in the form of calcite and dolomite.


The objectives of the research project work is to study the formulation and production of emulsion paint with the use of local pigments and extenders as raw materials, and its economic value, and also disclosing some locally sourced materials from our local environment that could play the same role with the imported raw materials that are used for emulsion paint production, which causes the cost of emulsion paint production to be high.

However, survey reveals that paint manufacturers in Nigeria looks beyond the country territory for supply, and also, Nigerian paints industry is characterized by importation, starting from solvents which could be obtained in abundance from the country.


The scope of this research project work is organized to cover all vital aspect of emulsion paint formulation and production using local pigment and extenders as raw materials from our local environment, which will reduce the cost of emulsion paint production.

The scope will also cover paint types and ifications, characterization and functions of paints, and also chemicals used in the formulation and production of emulsion paint. However, emphasis will be laid on the systematic procedure of processing the local pigments and extenders used which will also cover the following:

1. Emulsion paint formulation and production
2. Run-rest on the following properties of emulsion paint
i. Drying time
ii. Nature of reversibility
iii. PH value
iv. Specific gravity
v. Obscurity
vi. Viscosity
vii. Resistance to external exposure
viii. Brush ability


On considering the high cost of imported raw materials for the production of emulsion paint in the paint industry, which at the end of the production affect the market price, likewise causing constrain, there is need to lookout for those locally raw materials such as pigments and extenders (e.g calcium carbonate) which will give such desirable qualities and properties as those of imported raw materials (e.g Titanium Dioxide).

It will be interesting to not6e that Chemical Engineering have some of possible solutions towards reduction of high cost of emulsion paint production and also this research project work is directed towards the vital needs for the used of local pigments and extenders as raw materials for the production of emulsion paint of high quality and standards which will stand the test of time and also compete with those emulsion paints produced with imported raw materials.

Finally, this research project work will be of more importance to the paint manufacturers in the country, who spend lots of money for importations of raw material, while they are blessed with much raw materials as pigments and extenders for emulsion paint production in their country, it will also be of help to students researchers, and also reveals the importance of research among producers for future betterment and improvement.


Table 2.1- formulation (for exterior building paint).

Raw materials proportion (w/w)
1. Dispersing agent 1.32
2. Derformer 0.18
3. Water 5.12
4. Titanium dioxide 22.10
5. Extender pigment 10.30
6. Acryliclatex (40% non volatile). 0.80
7. Preservative 0.18
8 Hydroxyethyl cellulose 20% aq.  Solution 4.40
9. Ethylene glycol 2.20
TOTAL 100.00.


C.R. Martens (1968) “Technology of Paint Vanishes and Leaguers” New York Reinhold Book Corporation.

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G.P.A Turner (1967) “Introduction to Paint Chemistry, London Chapman and Hall.

Kirk, R.E. and other O.E (1969) “Encyclopedia of Chemical Technology”, Vol.4 and 9: The Inter Science Encyclopedia, Inc, New York.

L.A. Jordan (1951) “Oils for Paint Industry”, 1st Edition, T.S Gilford, Kingston – Upon – Thames.

Nigeria Industry Standard (1989) “Standards for Paints and Vanishes” Part 5: Specifications for Emulsion paints for Decorative Purposes Standard Organisation of Nigeria (SON); Federal Secretariat Ikoyi, Lagos N15 269, UDC 667.6

W.M. Morgans (1990) “Outlines of Paint Technology” 3rd Edition. Hodder and Stoughton Limited, London.

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