Open Access

ARTICLE

Effect of Feed Composition in Gas-phase Polymerization on Structure and Properties of In Situ Impact Polypropylene Copolymer

XIAOYAN LIU^a,*, XU CHEN^a, HONGXING ZHANG^b, CHANGJUN ZHANG^a, SHIYUAN YANG^a, GUANGQUAN LI^a

a Lanzhou Petrochemical Research Center, Petrochemical Research Institute, Petro China , Lanzhou, Gansu 730060, China
b Lanzhou Petrochemical Company, PetroChina, Lanzhou, Gansu 730060, China

* Corresponding Author: e-mail: