Diffusion of additives and plasticizers in poly(vinyl chloride): 4. A programmed temperature technique for the determination of the diffusion parameters of three dialkylphthalates

Diffusion of additives and plasticizers

Diffusion of additives and plasticizers in poly(vinyl chloride)—I. The 1:2 double disc method for obtaining the diffusion coefficient of additives in polymers

✍ G.S. Park; Tran Van Hoang 📂 Article 📅 1979 🏛 Elsevier Science 🌐 English ⚖ 411 KB

Abstrac~A simple expression has been obtained for the change with time, t, of the difference, (Ao -Ai), between the radioactivity of the two faces of a disc of material made by joining a disc containing radioactive diffusant to a similar disc containing no radioactive material. It is shown, for the