That's part of the reason why there are only 29 countries with operating nuclear power plants today and yet there are 200 countries or so in the world. No one wants more rogue states or even potential rogue states with nuclear weapons.
Next, scrub the shutters with detergent and water to remove any dirt or chalking. Rinse off the soap with a hose, and allow the shutters to dry before painting. When painting plastic or vinyl, use a high quality, exterior, acrylic latex paint or a paint made specifically for plastic. While not required, priming the shutters with a latex primer before painting with acrylic latex paint can increase adhesion and allow better coverage by the top coat.
Putting the titanium dioxide near the top surface of your shutters may have been too difficult for the manufacturer and/or they used too little titanium dioxide in the vinyl. These faded green shutters can be made to look just like new with soap, water and some urethane resin paint. would suggest that once the shutters are clean to paint them in a shaded area, not in direct sunlight. The paint you need to use must be one that has a blend of both acrylic and urethane resins.