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Advances in Materials Research
  Volume 4, Number 4, December 2015, pages 207-214

Properties of polypropylene fibers using the green chemical orotic acid as nucleating agent
Roland Vogel, Harald Brünig and Liane Häussler

Abstract     [Full Text]
    It has been reported in the technical literature that orotic acid can be used in order to induce improved crystallization of biodegradable and biocompatible polymers like poly(L-lactic acid), polyhydroxybutyrate and poly(hydroxybutyrate-co-hydroxyhexaonat). The expected advantage of the changed crystalline structure is a reinforcing effect of the polymers. A lot of papers reported about the application of inorganic and organic agents for acceleration of heterogeneous nucleation. This study reports on an attempt to use orotic acid as appropriate non-toxic nucleating agent for improving mechanical properties of isotactic polypropylene. Special attention is given to demonstrate the effect of nucleation in a typical melt spinning process in order to improve the mechanical properties. The effects were demonstrated using rheology, thermal analysis and tensile testing.
Key Words
    polypropylene; orotic acid; nucleation; fiber; mechanical properties
Roland Vogel, Harald Brünig and Liane Häussler: Leibniz-Institut für Polymerforschung Dresden e.V., 01069 Dresden, Hohe Stra

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