UV light stabilizers are additives that slow sunlight damage in plastics, and they work at three different points in the chain of events.[…]
Polypropylene oxidizes quickly once stable tertiary carbon radicals form, so commercial grades typically carry 0.05 to 3 percent antioxidant by mass. Polypropylene antioxidant[…]
Most color problems in plastics are not pigment problems but additive problems. Plastic coloring additives are put into a compound to solve dispersion,[…]
Plastic formulation design comes down to four moves: choosing a base resin, matching additives to the goal, setting the right loading, and mixing[…]