Impact of Injection Parameters on Gloss Properties of Grained Polypropylene Parts

  • Souad Mbarek
  • Zaineb Baccouch
  • Didier Perrin
  • Olivier Eterradossi
  • Bernard Monasse
  • Helene Garay
  • Jean-Christophe Quantin
Conference paper
Part of the Lecture Notes in Mechanical Engineering book series (LNME)


This paper deals with the optical and colorometric properties of the recycled polymer during numerous internal reprocess. The effects of the number of grinding-injection cycles, three process parameters (material temperature, mold temperature, and injection rate) were investigated. One most limit for this kind of study is the large number of experiments that requires long time and significant investments. The idea is to vary five injection parameters (Tmaterial, Tmold, injection rate for five injection cycles using statistical approach. The five variables were investigated at three industrial used levels. The number of recycling varies from cycle 0 to cycle 4 at five levels. The complete matrix for screening was designed using D-optimal quadratic design. The experimental design was generated with the statistical software MODDE 10.1-Umetrics. A set of 42 experiments was carried out to determine the influence of injection parameters, polluant and recycling on the appearance properties of smooth and grained surfaces. The statistical software package Nemrodw® version 2007, LPRAI (Marseille, France) was used to analyze the experimental design.


Recycling Gloss properties PP Experimental design 


  1. 1.
    Allen NS, Hardy SJ, Jacobine AF, Glaser DM, Yang B, Wolf D, Catalina F, Navaratnam S, Parsons BJ (1991) Photochemistry and photopolymerization activity of perester derivatives of benzophenone. J Appl Poly Sci 42:1451Google Scholar
  2. 2.
    Baccouch Z, Mbarek S, Jaziri M (2017) Experimental investigation of the effects of a compatibilizing agent on the properties of a recycled poly (ethylene terephthalate)/polypropylene blend. Polym Bull 74:839Google Scholar
  3. 3.
    Dalal EN, Natale-Hoffman KM (1999) Color Res Appl 24:369CrossRefGoogle Scholar
  4. 4.
    Dawkins E, Engelmann P, Horton K, Monfore M (1998) J Inj Mold Technol 1:1Google Scholar
  5. 5.
    Donald B, Mathew R (1988) SPE Antec Tech Paper 34:18Google Scholar
  6. 6.
    Huff K (1994) Visual assessment and practical colorimetry in the plastic industry. Bayer AG, Leverkusen, GermanyGoogle Scholar
  7. 7.
    Hunter RS, Harold RW (1987) The measurement of appearance. Wiley, New YorkGoogle Scholar
  8. 8.
    Lange D (1981) Color difference measuring instrument. MicroColor, Operating Instructions. Edition 4 BDA 163Google Scholar
  9. 9.
    Mbarek S, Baccouch Z, Perrin D, Eterradossi O, Monasse B, Garay H, Quantin JC (2019) Effect of recycling and injection parameters on gloss properties of smooth colored poly-propylene parts: contribution of surface and skin layer. Polym Eng Sci 59:1288–1299Google Scholar
  10. 10.
    Menyhárd A, Gahleitner M, Varga J, Bernreitner K, Jääskeläinen P, Oysd H, Pu-kánszky B (2009) Eur Polym J 45:31–38Google Scholar
  11. 11.
    Vilaplana F, Karlsson S (2008) Quality concepts for the improved use of recycled polymeric materials: a review. Macromol Mater Eng 293:274Google Scholar
  12. 12.
    Tredoux L, Satoh I, Kurosaki Y (1999) Investigation of wave-like flow marks in injection molding: flow visualization and micro-geometry. Polym Eng Sci 39:2233–2241Google Scholar
  13. 13.
    Xie L, Ziegmann G (2008) A visual mold with variotherm system for weld line study in micro injection molding. Microsyst Technol Micro-Nanosyst Inform Storage Process Syst 14:809–814CrossRefGoogle Scholar
  14. 14.
    Yoon JD, Hong SK, Kim JH, Cha SW (2004) Cell Polym 23:39Google Scholar
  15. 15.
    Wang L, Huang T, Kamal MR, Rey AD, Teh J (2000) Surface topography and gloss of polyolefin blown films. Polym Eng Sci 40:747–760Google Scholar
  16. 16.
    Baccouch Z, Mbarek S, Perrin D, Eterradossi O, Monasse B, Garay H, Quantin JC (2019) Investigation on the effects of recycling and injection parameters on gloss properties of smooth polypropylene parts. Adv Mater Res Mech Manuf, 223–231Google Scholar
  17. 17.
    Yoshii M, Kuramoto H, Kawana T (1996) The observation and origin of micro flow marks in the precision injection molding of polycarbonate. Polym Eng Sci 36:819–826CrossRefGoogle Scholar
  18. 18.
    Zhang A, Zhao G, Guan Y (2014) Effects of mold cavity temperature on surface quality and mechanical properties of nanoparticle-filled polymer in rapid heat cycle molding. J Appl Polym Sci 132(6)Google Scholar

Copyright information

© Springer Nature Switzerland AG 2020

Authors and Affiliations

  • Souad Mbarek
    • 1
  • Zaineb Baccouch
    • 2
  • Didier Perrin
    • 3
  • Olivier Eterradossi
    • 3
  • Bernard Monasse
    • 4
  • Helene Garay
    • 3
  • Jean-Christophe Quantin
    • 3
  1. 1.Mechanical Laboratory of (LMS), LR11ES36National School of Engineers of SousseSousseTunisia
  2. 2.Laboratory of Electromechanical Systems, LR99ES36, University of SfaxNational School of Engineers of SfaxSfaxTunisia
  3. 3.Centre des Matériaux des Mines d’Alès (C2MA)Ecole des mines d’AlèsAlèsFrance
  4. 4.Centre de Mise en Forme des Matériaux (CEMEF)Ecole des mines de ParisParisFrance

Personalised recommendations