Review on Polyurethane Solubilization in Deep Eutectic Solvents (DES) for Plastic Recycling
Bilah Samping Artikel
fisikokimia unik,
pelarutan,
poliuretan Deep eutectic solvents,
Physiochemical properties,
solubilization,
polyurethane
Isi Artikel Utama
Abstrak
Pelarut eutektik dalam (Deep Eutectic Solvents/DES) adalah kategori baru pelarut ramah lingkungan yang dibuat melalui interaksi antara donor ikatan hidrogen (hydrogen bond donors/HBDs) dan akseptor ikatan hidrogen (hydrogen bond acceptors/HBAs) dalam rasio molar tertentu, yang menunjukkan karakteristik fisikokimia unik. DES memiliki volatilitas rendah, tidak mudah terbakar, dan stabilitas tinggi, menjadikannya pengganti yang ramah lingkungan untuk pelarut konvensional. Sifat fisik utama DES, termasuk densitas, viskositas, dan stabilitas termal, sangat penting untuk fungsinya. Karakteristik ini dipengaruhi oleh parameter seperti suhu, komposisi komponen, dan rasio molar, sehingga memungkinkan penyesuaian untuk tujuan tertentu. DES telah menunjukkan potensi besar dalam berbagai bidang, termasuk elektrokimia, sintesis material, dan proses kimia ramah lingkungan, berkat kemampuan adaptasi dan keamanannya. Dalam bidang pelarutan poliuretan (polyurethane/PU), DES memiliki potensi yang signifikan. Proses pelarutan ini dikaitkan dengan penghancuran ikatan hidrogen dalam polimer dan pelarutan ikatan uretan oleh komponen DES, yang diperkuat oleh jaringan ikatan hidrogen yang kuat. Dengan menyesuaikan sifat-sifat DES, para peneliti dapat meningkatkan proses degradasi PU, menawarkan solusi berkelanjutan untuk masalah limbah plastik. Artikel ini menyoroti karakteristik dasar, sifat fisik dan kimia, berbagai aplikasi, serta potensi DES dalam pengembangan teknologi pelarutan PU.
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