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Utilization of Recycled PP-Talc Waste into Composite Products with the Hot Melt Mixing Method Muhammad Ariya Afif; Muhammad Nicko Azharry Setyabudi; Mochamad Chalid; Bambang Priyono
Piston: Journal of Technical Engineering Vol 5, No 2 (2022)
Publisher : Prodi Teknik Mesin

Polypropylene (PP) is one type of plastic material often used. As the materials' specifications get higher, PP is combined with other materials to achieve the desired characteristics. One of them is Talc. Behind its significant growth, there is one main problem, namely the mismanagement of plastic waste that causes environmental pollution. Therefore, one method that can overcome this problem is the recycling method. This research was conducted to investigate the characterization between pure and recycled materials and the optimum composition obtained to get finished goods that were close to materials using pure materials. This research was conducted using PP-Talc scrap with 20% and 30% talc content, then combined with dry and hot melt mixing methods. The alloy material was then tested using a Scanning Electronic Microscope (SEM), Universal Testing Machine (UTM), and Simultaneous Thermal Analyzer (STA). The results showed that the recycled material's morphological changes, mechanical properties, and thermal properties almost resembled the pure material. Specific ratios of 20% and 30% recycled PP-Talc gave rise to new morphological changes and mechanical properties.

Perbandingan Sifat Kekerasan dan Penyusutan Produk Berbahan Dasar Polipropilene Murni dan Campuran Hasil Pemanasan Berulang Singgih Prabowo; Mochamad Chalid; Dasep Rusmana
Piston: Journal of Technical Engineering Vol 5, No 2 (2022)
Publisher : Prodi Teknik Mesin

Bahan baku polipropilena (PP) memiliki cakupan luas dalam hal produk yang bisa dihasilkan, mulai dari alat-alat rumah tangga hingga industri. PP yang memiliki keunggulan dapat dibentuk ulang memberikan potensi pemakaian ulang bahan baku yang telah melalui proses pemanasan. Penelitian mengenai perbandingan sifat kekerasan dan penyusutan terhadap produk PP murni dan campuran PP yang telah mendapat pemanasan berulang sebanyak enam kali di dilakukan untuk melihat potensi penggunaannya. Hasil penelitian menunjukkan penurunan sifat kekerasan dan peningkatan penyusutan terjadi seiring penambahan komposisi PP hasil pemanasan ulang. Kekerasan PP 100% murni dibandingkan dengan PP 100% pemanasan ulang ke enam turun sebesar 5% yaitu dari 60,4 Shore D dan 57,4 Shore D. Penyusutan produk masih dibawah 2% baik arah panjang maupun arah lebar. Penyusutan pada arah panjang lebih besar dibandingkan arah lebar, pada produk PP murni terjadi penyusutan sebesar 1,43% pada arah panjang dan 1,35% arah lebar, sedangkan pada produk PP 100% pemanasan ulang arah panjang mecapai 1,65% dan arah lebar 1,61%. Penurunan ini menunjukan bahwa material PP yang telah melalui pemanasan berulang mengalami degradasi walaupun tidak signifikan. Perubahan sifat mekanik (kekerasan) dan fisik (penyusutan) ini sebagai pertimbangan dalam pemilihan bahan dasar murni atau campuran agar mendapatkan produk sesuai dengan spesifikasi dengan memanfaatkan bahan dari sisa produk yang tidak terpakai.

Effect of Cold Plasma Treatment on Physical Properties of Multilayer Plastics for Polymer Asphalt Applications Dimas Agung Setiaji; Mochamad Chalid; Tomy Abuzairi; Maurice Efroza; Adam Febriyanto Nugraha
Piston: Journal of Technical Engineering Vol 6, No 1 (2022)
Publisher : Prodi Teknik Mesin

Multilayer plastic waste continues to increase due to the ever-growing consumption and needs of the global citizen and is one of the most challenging types of waste to recycling because of its nature. The accumulation and indiscriminate disposal of waste can pose a potential risk of environmental problems. A solution that can be implemented is to mix bitumen and waste polymer as asphalt manufacturing. Despite its advancement in research, many potential parameters are still to be discovered to achieve optimal results. Through cold plasma treatment, a surface treatment may occur at the multilayer polypropylene that causes the change from hydrophobic to hydrophilic properties. Treating the polymer with cold plasma will provide good hydrophilic properties without changing the overall chemical and thermal properties of the sample. This will result in an alternative aggregate for the bitumen for asphalt manufacturing. Bitumen coupled with the addition of plastic still provides an optimal hardness and ductility, meanwhile having a more economically viable manufacturing process than other processes.

Utilization of Recycled PP-Talc Waste into Composite Products with the Hot Melt Mixing Method Muhammad Ariya Afif; Muhammad Nicko Azharry Setyabudi; Mochamad Chalid; Bambang Priyono
Piston: Journal of Technical Engineering Vol 5, No 2 (2022)
Publisher : Prodi Teknik Mesin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32493/pjte.v5i2.19494

Polypropylene (PP) is one type of plastic material often used. As the materials' specifications get higher, PP is combined with other materials to achieve the desired characteristics. One of them is Talc. Behind its significant growth, there is one main problem, namely the mismanagement of plastic waste that causes environmental pollution. Therefore, one method that can overcome this problem is the recycling method. This research was conducted to investigate the characterization between pure and recycled materials and the optimum composition obtained to get finished goods that were close to materials using pure materials. This research was conducted using PP-Talc scrap with 20% and 30% talc content, then combined with dry and hot melt mixing methods. The alloy material was then tested using a Scanning Electronic Microscope (SEM), Universal Testing Machine (UTM), and Simultaneous Thermal Analyzer (STA). The results showed that the recycled material's morphological changes, mechanical properties, and thermal properties almost resembled the pure material. Specific ratios of 20% and 30% recycled PP-Talc gave rise to new morphological changes and mechanical properties.

Perbandingan Sifat Kekerasan dan Penyusutan Produk Berbahan Dasar Polipropilene Murni dan Campuran Hasil Pemanasan Berulang Singgih Prabowo; Mochamad Chalid; Dasep Rusmana
Piston: Journal of Technical Engineering Vol 5, No 2 (2022)
Publisher : Prodi Teknik Mesin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32493/pjte.v5i2.19379

Bahan baku polipropilena (PP) memiliki cakupan luas dalam hal produk yang bisa dihasilkan, mulai dari alat-alat rumah tangga hingga industri. PP yang memiliki keunggulan dapat dibentuk ulang memberikan potensi pemakaian ulang bahan baku yang telah melalui proses pemanasan. Penelitian mengenai perbandingan sifat kekerasan dan penyusutan terhadap produk PP murni dan campuran PP yang telah mendapat pemanasan berulang sebanyak enam kali di dilakukan untuk melihat potensi penggunaannya. Hasil penelitian menunjukkan penurunan sifat kekerasan dan peningkatan penyusutan terjadi seiring penambahan komposisi PP hasil pemanasan ulang. Kekerasan PP 100% murni dibandingkan dengan PP 100% pemanasan ulang ke enam turun sebesar 5% yaitu dari 60,4 Shore D dan 57,4 Shore D. Penyusutan produk masih dibawah 2% baik arah panjang maupun arah lebar. Penyusutan pada arah panjang lebih besar dibandingkan arah lebar, pada produk PP murni terjadi penyusutan sebesar 1,43% pada arah panjang dan 1,35% arah lebar, sedangkan pada produk PP 100% pemanasan ulang arah panjang mecapai 1,65% dan arah lebar 1,61%. Penurunan ini menunjukan bahwa material PP yang telah melalui pemanasan berulang mengalami degradasi walaupun tidak signifikan. Perubahan sifat mekanik (kekerasan) dan fisik (penyusutan) ini sebagai pertimbangan dalam pemilihan bahan dasar murni atau campuran agar mendapatkan produk sesuai dengan spesifikasi dengan memanfaatkan bahan dari sisa produk yang tidak terpakai.

Effect of Cold Plasma Treatment on Physical Properties of Multilayer Plastics for Polymer Asphalt Applications Dimas Agung Setiaji; Mochamad Chalid; Tomy Abuzairi; Maurice Efroza; Adam Febriyanto Nugraha
Piston: Journal of Technical Engineering Vol 6, No 1 (2022)
Publisher : Prodi Teknik Mesin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32493/pjte.v6i1.20771

Multilayer plastic waste continues to increase due to the ever-growing consumption and needs of the global citizen and is one of the most challenging types of waste to recycling because of its nature. The accumulation and indiscriminate disposal of waste can pose a potential risk of environmental problems. A solution that can be implemented is to mix bitumen and waste polymer as asphalt manufacturing. Despite its advancement in research, many potential parameters are still to be discovered to achieve optimal results. Through cold plasma treatment, a surface treatment may occur at the multilayer polypropylene that causes the change from hydrophobic to hydrophilic properties. Treating the polymer with cold plasma will provide good hydrophilic properties without changing the overall chemical and thermal properties of the sample. This will result in an alternative aggregate for the bitumen for asphalt manufacturing. Bitumen coupled with the addition of plastic still provides an optimal hardness and ductility, meanwhile having a more economically viable manufacturing process than other processes.

Mechanical and Thermal Properties Analysis on Bitumen Mixture with Additives: HDPE, PP and Lignin Adream Bais Junior; Yermia Andri Prawira; Mochamad Chalid; Ahmad Z. Taning; Adam Febriyanto Nugraha
Piston: Journal of Technical Engineering Vol. 7 No. 2 (2024)
Publisher : Program Studi Teknik Mesin Universitas Pamulang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32493/pjte.v7i2.35464

This study focuses on enhancing the performance and sustainability of asphalt materials in road construction by recycling High-Density Polyethylene (HDPE). Polypropylene (PP) and lignin as additives in bitumen. The Hot Melt Mixing method is employed to investigate the impact of different concentrations of HDPE, PP, and lignin on bitumen properties. Key properties such as ductility, penetration, softening point, and thermal behavior are analyzed, providing valuable insights into the potential of these additives to enhance bitumen performance. The findings demonstrate that higher concentrations of HDPE and PP result in reduced penetration depth, indicating increased hardness. The addition of lignin enhances penetration depth, contributing to the flexibility and performance of the bitumen mixture. Moreover, thermal analysis offers valuable information about the thermal behavior and stability of the bitumen-plastic-lignin blends, shedding light on their compatibility and interactions. This research contributes to the ongoing efforts in road construction and pavement engineering by exploring sustainable solutions that not only address plastic waste challenges but also improve the performance and durability of bituminous materials, making it a crucial step towards environmentally responsible and long-lasting asphalt pavements.

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