Rheological properties of incompatible blends of two elastomers | Zendy

Shih C. K. | Zendy

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Rheological properties of incompatible blends of two elastomers

Author(s) -

Shih C. K.

Publication year - 1976

Publication title -

polymer engineering and science

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.503

H-Index - 111

eISSN - 1548-2634

pISSN - 0032-3888

DOI - 10.1002/pen.760161106

Subject(s) - materials science , slippage , rheology , elastomer , polymer , capillary action , component (thermodynamics) , composite material , adhesive , thermodynamics , physics , layer (electronics)

Mold flows and melt viscosities of an incompatible bi‐component EPDM and “Viton” fluoroelastormer system were examined. A marked reduction in the melt viscosities of either component was observed when a small amount of the other component was present. It was speculated that the phenomenon was a result of a slippage between the polymer and the coated capillary surface due to the presence of a minor amount of the incompatible polymer. Evidence is given to indicate that this effect cannot be accounted for using the “melt structural heterogeneity” mechanism proposed for a different system by Andtrianova.

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