Modification of high-density polyethylene during synthesis

High-density polyethylene (HDPE) was modified by adding small amounts of siloxane compounds during synthesis. The effects of the admixture concentration and the mode of its addition on the properties of HDPE over a broad molecular mass range were established. The investigated admixture does not affe...

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Bibliographic Details
Published in:Polymer science USSR 1991, Vol.33 (2), p.374-380
Main Authors: Gorokhova, Ye.V., Dubnikova, I.L., D'yachkocskii, F.S., Budnitskii, Yu.M., Krasheninnikov, V.G., Akutin, M.S.
Format: Article
Language:English
Subjects:
Applied sciences
Exact sciences and technology
Organic polymers
Physicochemistry of polymers
Polymerization
Preparation, kinetics, thermodynamics, mechanism and catalysts
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Summary:High-density polyethylene (HDPE) was modified by adding small amounts of siloxane compounds during synthesis. The effects of the admixture concentration and the mode of its addition on the properties of HDPE over a broad molecular mass range were established. The investigated admixture does not affect the activity of the catalytic system employed, but influences markedly the structure and deformation behaviour of PE, enhances the ultimate strength and the impact strength. Modification during synthesis facilitates processing of ultra-high molar mass polyethylene below the melting temperature.
ISSN:0032-3950
1878-268X
DOI:10.1016/0032-3950(91)90205-5