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- Title
Analyzing Impact Strength Improvement in Polymer Laminates: A Comparative Study of Machine Direction Oriented (MDO)-PE/LLDPE and Polyamide (PA)/LLDPE Structures.
- Authors
Krisnamurti, Bayu; Irawati, Henny; Hafizah, Mas Ayu Elita; Manaf, Azwar
- Abstract
The mechanical strength of 2 film structures, machine-direction-oriented polyethylene (MDO-PE) laminated with linear low-density polyethylene (LLDPE) and polyamide (PA) laminated with LLDPE was evaluated. PA/LLDPE films demonstrated superior impact strength (0.834 J/mm²) compared to MDOPE/LLDPE films (0.445 J/mm²). Tensile strength for modified LLDPE (C6) was 40 N/mm², higher than standard LLDPE (C8) at 33 N/mm². The elongation at break for LLDPE reference C8 was 689 %, compared to 682 % for LLDPE sample C6. Film stiffness was measured at 162 MPa for the LLDPE reference C8 and 122 MPa for the LLDPE sample C6. PA films exhibited increased mechanical strength due to their intrinsic polyamide structure, while MDO-PE films benefited from molecular orientation during production. The modified LLDPE or C6 displayed improved impact resistance and tensile strength with reduced stiffness. MDO-PE/LLDPE films are promising for sustainable and robust food packaging.
- Subjects
IMPACT strength; LAMINATED materials; LOW density polyethylene; POLYMERS; TENSILE strength; MOLECULAR orientation; POLYETHYLENE; POLYAMIDES
- Publication
Trends in Sciences, 2024, Vol 21, Issue 7, p1
- ISSN
2774-0226
- Publication type
Article
- DOI
10.48048/tis.2024.7723