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  • Open Daily: 10am - 10pm
    Alley-side Pickup: 10am - 7pm

    3038 Hennepin Ave Minneapolis, MN
    612-822-4611

Open Daily: 10am - 10pm | Alley-side Pickup: 10am - 7pm
3038 Hennepin Ave Minneapolis, MN
612-822-4611
Direct and concentrated incorporation of CaCO3

Direct and concentrated incorporation of CaCO3

Gouissem, Linda

Paperback

Chemistry

ISBN10: 6208733162
ISBN13: 9786208733162
Publisher: Our Knowledge Publishing
Published: Mar 12 2025
Pages: 56
Weight: 0.19
Height: 0.13 Width: 6.00 Depth: 9.00
Language: English
This work investigates high-density polyethylene (HDPE) composites reinforced with calcium carbonate (CaCO₃), highlighting the importance of Masterbatches for efficient dispersion of CaCO₃ in the polymer matrix. The preparation of the Masterbatches resulted in a homogeneous mixture, optimizing processing conditions and stabilizing the mechanical and thermal properties of the composite, even with high filler ratios.The addition of CaCO₃ up to 20% via a concentrate improved the flowability index, facilitating composite processing, while maintaining a stable Vicat temperature, a sign of uncompromised thermal resistance. Infrared analyses confirmed a homogeneous dispersion of CaCO₃ in the polymer matrix.Mechanically, composites with up to 15% CaCO₃ via concentrate retained satisfactory properties while improving processability. However, at 20%, a reduction in ductility is observed, although stiffness and mechanical strength remain preserved. This indicates that the composite becomes less deformable before fracture at high loading rates.

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