Startseite Effect of antiblock and slip additives on the properties of tubular quenched polypropylene film
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Effect of antiblock and slip additives on the properties of tubular quenched polypropylene film

  • Ashwith Melkar , Ravi Kumar , Vishwa Pratap Singh , Priyanka Singh , Satyajit Samanta und Saikat Banerjee EMAIL logo
Veröffentlicht/Copyright: 10. Dezember 2021
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Abstract

In the present investigation, silica and talc were used as antiblock additives with slip additive to investigate their effects on tubular quenched polypropylene (TQPP) film properties. Polypropylene (PP) powder was compounded with additives in twin-screw extruder and subsequently processed through TQPP machine to prepare the films. Tear and tensile properties [in machine direction (MD) and transverse direction (TD)] and surface properties of the produced TQPP films were investigated in terms of optics and coefficient of friction (CoF). The effect of conditioning time on CoF was also studied. Addition of slip agent alone to PP did not show any significant change in tear strength, CoF and tensile properties, whereas CoF reduced drastically by adding both slip and antiblock agents in combination. Reduction in CoF values were found to be more pronounced in the presence of silica-based antiblock compared to talc-based antiblock. Film surface morphology was further examined by field-emission scanning electron microscopy. The tear strength and the gloss of TQPP film decreased slightly in presence of only antiblock agents, but the tensile strength was found to increase. It was also found that tensile properties of TQPP films were superior in silica-based formulation, whereas tear strength was better in talc-based formulation in MD and TD.


Corresponding author: Saikat Banerjee, Customer Services & Development Center, HPCL-Mittal Energy Ltd. (HMEL), Gautam Budh Nagar, Sector-65, Noida, Uttar Pradesh 201301, India, E-mail:

  1. Author contributions: All authors have accepted responsibility for the entire content of this submitted manuscript.

  2. Research funding: This research received no external funding.

  3. Conflict of interest statement: The authors declare no conflicts of interest regarding this article.

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Received: 2021-06-11
Accepted: 2021-10-24
Published Online: 2021-12-10
Published in Print: 2022-02-23

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