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Melt viscosity of calcium-carbonate-filled low density polyethylene: Influence of matrix-filler and particle-particle interactions

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Bomal, Y. Godard, Pierre [UCL]

The melt viscosity of filled polymers depends on the filler particle packing. It is shown that the maximum particle packing for a low density polyethylene, filled with calcium carbonate, depends strongly on the filler surface treatment. This packing can be evaluated from melt viscosity measurements using the Quemada model. From contact angle measurements and using the Lee unified adhesion theory, it has been demonstrated that the maximum packing depends on particle-particle and matrix-filler interactions. The competition between both types of interaction leads to different organizations of particles in the composite.

Document type Article de périodique (Journal article) – Article de recherche
Access type Accès restreint
Publication date 1996
Language Anglais
Journal information "Polymer Engineering and Science" - Vol. 36, no. 2, p. 237-243 (1996)
Peer reviewed yes
Publisher Soc Plastics Eng Inc (Brookfield Center)
issn 0032-3888
e-issn 1548-2634
Publication status Publié
Affiliation UCL - FSA/MAPR - Département des sciences des matériaux et des procédés
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Bibliographic reference Bomal, Y. ; Godard, Pierre. Melt viscosity of calcium-carbonate-filled low density polyethylene: Influence of matrix-filler and particle-particle interactions. In: Polymer Engineering and Science, Vol. 36, no. 2, p. 237-243 (1996)
Permanent URL http://hdl.handle.net/2078.1/47377