Additives
Fly-Ash Filler Stages a Comeback
Fly ash, a silica and alumina residue collected from the chimneys of coal-fired power plants and incinerators, is both a waste product and a promising low-cost filler for plastics.
Read MoreStretch Tio2
With prices going up and up, and supplies getting snugger, it's time to re-examine the available extender pigments that can make TiO2 go further.
Read MorePhoto-Graftable UV Absorber Gets the Yellow Out
Sanduvor PR-25, a uv absorber based on new photo-reactive chemistry, was aimed primarily at coatings when it was first launched a couple of years ago. Since then it has made headway in clear plastics, including flexible PVC, polycarbonate, PET, and other engineering thermoplastics.
Read MoreNew Alternatives for Environmentally Friendly Heat Stabilizers
In recent years, considerable effort has been expended toward the development of new stabilization systems for PVC processing, driven by a desire to move away from stabilizers based on heavy metals.
Read More
