SHI Guan-yi, CAO You-hong, HUANG Bin, HUANG Sai-tang. STUDIES ON THE BETA-FORM OF ISOTACTIC POLYPROPYLENE III. Ethylene-propylene Block Copolymer. [J]. Acta Polymerica Sinica (5):359-363(1987)
DOI:
SHI Guan-yi, CAO You-hong, HUANG Bin, HUANG Sai-tang. STUDIES ON THE BETA-FORM OF ISOTACTIC POLYPROPYLENE III. Ethylene-propylene Block Copolymer. [J]. Acta Polymerica Sinica (5):359-363(1987)DOI:
STUDIES ON THE BETA-FORM OF ISOTACTIC POLYPROPYLENE III. Ethylene-propylene Block Copolymer
In the presence of beta-nucleating agent propylene blocks in ethylene-propylene block co-polymer can crystallize to beta-crystalline form with high purity. Effect of crystallization temperature on the relative content and structure of the beta-form and melting behavior in the sample were investigated. It was found that two kind of beta forms were obtained
depending on the crystallization temperature. The mechanical behavior of beta-phase sample was also studied and compared with that of alpha form.