Iranian Journal of Polymer Science and Technology 10163255 9 2 1996 06 21 Effect of Various Factors on Mobility of Inner Layers to Outer Layers of Polypropylene in Two-Component Injection Moulding Machines Effect of Various Factors on Mobility of Inner Layers to Outer Layers of Polypropylene in Two-Component Injection Moulding Machines 228 10.22063/jipst.1996.228 FA F. Eigel H. Mighani Journal Article 1970 01 01 http://jips.ippi.ac.ir/article_228_686ef8d01fc57e320ca04f75da9fd0d2.pdf