All-PP composites (PURE®) with unidirectional and cross-ply lay-ups

Dynamic mechanical thermal analysis

T. Abraham, K. Banik, J. Karger-Kocsis

Research output: Contribution to journalArticle

34 Citations (Scopus)

Abstract

All polypropylene (all-PP) composite laminates with unidirectional (UD) and cross-ply (CP) lay-ups were produced by hot consolidation from oriented coextruded PP tapes (PURE®). The consolidation of the tapes, wound on a steel plate, occurred in autoclave vacuum bag molding. The set processing conditions resulted in all-PP laminates of high rigidity as the PP copolymer surface layers of the tapes were molten and thus forming the matrix, while their PP homopolymer core remained unaffected and thus fulfilled its role as reinforcement. Specimens cut off from the laminates were subjected to dynamic mechanical thermal analysis (DMTA) in a broad temperature range (T = -50...120°C) at various frequencies (f = 10-2...101). For the DMTA results the time-temperature superposition principle was adopted and master curves in the form of storage modulus vs. frequency (f = 10-9...1020) and loss factor vs. frequency were created.

Original languageEnglish
Pages (from-to)519-526
Number of pages8
JournalExpress Polymer Letters
Volume1
Issue number8
DOIs
Publication statusPublished - Aug 2007

Fingerprint

Tapes
Thermoanalysis
laminates
tapes
Laminates
thermal analysis
Polypropylenes
consolidation
polypropylene
Consolidation
composite materials
Composite materials
autoclaves
Steel
Autoclaves
bags
reinforcement
Homopolymerization
rigidity
Molding

Keywords

  • All-polypropylene composite
  • Polymer composites
  • Polypropylene
  • PURE®
  • Thermal properties

ASJC Scopus subject areas

  • Polymers and Plastics
  • Materials Chemistry
  • Chemical Engineering(all)
  • Organic Chemistry
  • Physical and Theoretical Chemistry

Cite this

All-PP composites (PURE®) with unidirectional and cross-ply lay-ups : Dynamic mechanical thermal analysis. / Abraham, T.; Banik, K.; Karger-Kocsis, J.

In: Express Polymer Letters, Vol. 1, No. 8, 08.2007, p. 519-526.

Research output: Contribution to journalArticle

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