Dr. Alaa Abdelkareim

Freelance consultant in paints and coatings. l technically assist the manufacturers to use the optimum dosages of specialty chemical additives ( dispersing agents, surfactants, defoamers and driers ) , other raw materials and accurate formulations to get the best performance of products

Evaluation and testing the performance of a wide range of specialty chemical additives for paints and coatings in different applications, dispersing agents, defoamers , surface control additives for water- based, solvent-based, architectural , decorative, inks, wood coatings, epoxy flooring , car-refinish and industrial applications and single and mixed driers.

1- Formulator for resinated and resin-free water-based colorants. Determination of the suitable dispersing agent , defoamers and resins for each colorant and determination of the dosage adjustment of additives. 2- Supervision on the production process and testing methods of colorants pastes. 3- Supervision on the production and testing methods of the extender varnishes and overprint varnishes used for flexographic inks. 4- Supervision on the testing methods of flexographic inks. 5- Formulator and supervision on the production process and testing methods of water based emulsion paints , mutt , semi-gloss and high gloss PVC and supervision on the production and testing methods of wall putty. 6- Formulator, supervision on the production and testing methods of white and colored alkyd paints and alkyd paints containing water. 7- Formulator and supervision on the production and testing methods of universal colorants.

Supervision on the production process and testing methods of the chemical raw materials ( magnesium sulfate, zinc sulfate and copper sulfate ) through the chemical reaction of concentrated sulphuric acid with Zn to produce Zinc sulfate and sulphuric acid with MgO to produce magnesium sulfate and reaction of sulphuric acid with Cu to produce copper sulfate. The reactions occur inside big reactors and then move to evaporators and then crystalizes to separate the salt of raw materials.

Supervision on the production and testing methods of mining products ( Chemically activated bentonite, talc , calcium carbonate, potash and sodic feldspars and quartz.

Supervision on the production and testing methods of carboxy methyl cellulose