High-modulus, high-strength, thick polypropylene monofilament production: Response surface analysis approach

Jung Yul Lim, Sang Yong Kim

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Response surface analysis was used in optimizing spinning and drawing conditions for the production of a high-modulus, high-strength, thick polypropylene (PP) monofilament. Rotatable octagonal central composite design was adopted with two independent variables (take-up velocity and draw ratio), and variations in the diameter, tensile modulus, and tenacity of the PP monofilament were observed. Quadratic response surface functions described the variations in those properties with quite high correlation coefficients. Canonical analysis combined with contour plots revealed the variation sensitivity: the diameter varied more markedly with the take-up velocity, and the tensile modulus varied somewhat equally with the two variables, whereas the tenacity varied more markedly with the draw ratio. From such contour plots, the optimum processing conditions for desired properties were predicted without intensive structural analysis. Case studies showed that under the suggested processing conditions, the PP monofilament fulfilled the property requirements, such as a tensile modulus of 10.4 GPa and a tenacity of 672 MPa with a diameter still above 400 μm.

Original languageEnglish (US)
Pages (from-to)1175-1182
Number of pages8
JournalJournal of Polymer Science, Part B: Polymer Physics
Volume41
Issue number11
DOIs
StatePublished - Jun 1 2003

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Tenacity
Polypropylenes
Surface analysis
high strength
polypropylene
Elastic moduli
plots
Processing
structural analysis
Structural analysis
correlation coefficients
metal spinning
requirements
composite materials
sensitivity
Composite materials

Keywords

  • Canonical analysis
  • Modulus
  • Monofilament
  • Polypropylene (PP)
  • Response surface analysis
  • Strength

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Physical and Theoretical Chemistry
  • Polymers and Plastics
  • Materials Chemistry

Cite this

High-modulus, high-strength, thick polypropylene monofilament production : Response surface analysis approach. / Lim, Jung Yul; Kim, Sang Yong.

In: Journal of Polymer Science, Part B: Polymer Physics, Vol. 41, No. 11, 01.06.2003, p. 1175-1182.

Research output: Contribution to journalArticle

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