Isotactic polypropylene (iPP) remains one of the most important polymers in modern industry, valued for its exceptional combination of strength, stiffness and impact resistance. Its highly regular ...

Isotactic polypropylene (iPP), the number-two commercial polymer, was known for decades to adopt three crystalline forms, α, β, and γ, and in the past decade a fourth form, δ, was identified. Now, a ...

Plastics do not readily break down naturally, so there has been no great way to dispose these materials in an environmentally friendly manner. Advances such as the development of recycling streams ...