Optimizing injection molding parameters of different halloysites type-reinforced thermoplastic polyurethane nanocomposites via taguchi complemented with ANOVA

Tayser Sumer Gaaz, Abu Bakar Sulong, Abdul Amir H. Kadhum, Mohamed H. Nassir, Ahmed A. Al-Amiery

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

Halloysite nanotubes-thermoplastic polyurethane (HNTs-TPU) nanocomposites are attractive products due to increasing demands for specialized materials. This study attempts to optimize the parameters for injection just before marketing. The study shows the importance of the preparation of the samples and how well these parameters play their roles in the injection. The control parameters for injection are carefully determined to examine the mechanical properties and the density of the HNTs-TPU nanocomposites. Three types of modified HNTs were used as untreated HNTs (uHNTs), sulfuric acid treated (aHNTs) and a combined treatment of polyvinyl alcohol (PVA)-sodium dodecyl sulfate (SDS)-malonic acid (MA) (treatment (mHNTs)). It was found that mHNTs have the most influential effect of producing HNTs-TPU nanocomposites with the best qualities. One possible reason for this extraordinary result is the effect of SDS as a disperser and MA as a crosslinker between HNTs and PVA. For the highest tensile strength, the control parameters are demonstrated at 150 °C (injection temperature), 8 bar (injection pressure), 30 °C (mold temperature), 8 min (injection time), 2 wt % (HNTs loading) and mHNT (HNTs type). Meanwhile, the optimized combination of the levels for all six control parameters that provide the highest Young's modulus and highest density was found to be 150 °C (injection temperature), 8 bar (injection pressure), 32 °C (mold temperature), 8 min (injection time), 3 wt % (HNTs loading) and mHNT (HNTs type). For the best tensile strain, the six control parameters are found to be 160 °C (injection temperature), 8 bar (injection pressure), 32 °C (mold temperature), 8 min (injection time), 2 wt % (HNTs loading) and mHNT (HNTs type). For the highest hardness, the best parameters are 140 °C (injection temperature), 6 bar (injection pressure), 30 °C (mold temperature), 8 min (injection time), 2 wt % (HNTs loading) and mHNT (HNTs type). The analyses are carried out by coordinating Taguchi and ANOVA approaches. Seemingly, mHNTs has shown its very important role in the resulting product.

Original languageEnglish
Article number947
JournalMaterials
Volume9
Issue number11
DOIs
Publication statusPublished - 2016

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Polyurethanes
Analysis of variance (ANOVA)
Injection molding
Thermoplastics
Nanocomposites
Nanotubes
Polyvinyl Alcohol
Temperature
Polyvinyl alcohols
Sodium dodecyl sulfate
Sodium Dodecyl Sulfate
Acids
clay
Tensile strain
Sulfuric acid
Marketing
Tensile strength
Elastic moduli
Hardness
Mechanical properties

Keywords

  • Injection parameter
  • Mechanical
  • Nanocomposite
  • Physical properties

ASJC Scopus subject areas

  • Materials Science(all)

Cite this

Optimizing injection molding parameters of different halloysites type-reinforced thermoplastic polyurethane nanocomposites via taguchi complemented with ANOVA. / Gaaz, Tayser Sumer; Sulong, Abu Bakar; Kadhum, Abdul Amir H.; Nassir, Mohamed H.; Al-Amiery, Ahmed A.

In: Materials, Vol. 9, No. 11, 947, 2016.

Research output: Contribution to journalArticle

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AU - Al-Amiery, Ahmed A.

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