Dynamic mechanical properties of polystyrene/low density polyethylene blends

S.D. Sjoerdsma, J. Dalmolen, A.C.A.M. Bleijenberg, D. Heikens

    Research output: Contribution to journalArticleAcademicpeer-review

    25 Citations (Scopus)


    The loss and shear moduli of polystyrene [9003-53-6]-low-d. polyethylene [9002-88-4] blends, some addnl. contg. ethylene-styrene block copolymer (I) [25068-12-6] were examd. at -160 to +100 Deg. Anomalies in the low-temp. shear moduli are due to nonadhesion between the components. Only very small amts. of I are required to ensure the adhesion between the polyethylene and polystyrene phases. The polyethylene and I can be treated as one phase. In some cases the presence of I causes formation of a continuous network throughout the polystyrene matrix, as shown by the low shear moduli of these blends. Phase reversal of polyethylene-polystyrene blends causes an increase in the loss modulus at 40 Deg, which is attributed to an increased friction caused by phase entanglements. This increase is more pronounced if an excess of polyethylene is present
    Original languageEnglish
    Pages (from-to)1469-1474
    Number of pages6
    Issue number12
    Publication statusPublished - 1980


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