
Flashcard tentang Polietilena (PE)
Flashcard
•
Chemistry
•
University
•
Hard
Sari Rizky
FREE Resource
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10 questions
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1.
FLASHCARD QUESTION
Front
Polietilena (PE) adalah plastik atau polimer yang paling banyak digunakan di dunia.
Back
Terbentuk dari pengulangan unit monomer etilena (C2H4)n melalui proses polimerisasi.
2.
FLASHCARD QUESTION
Front
Polietilena tahan terhadap benturan dan bahan kimia.
Back
Sifat ini membuatnya ideal untuk digunakan dalam berbagai produk seperti kemasan dan botol.
3.
FLASHCARD QUESTION
Front
Model 3D dari rantai polietilena
Back
Model 3D dari rantai polietilena menggambarkan struktur molekul polimer yang terdiri dari banyak monomer etilena yang terhubung membentuk rantai panjang.
4.
FLASHCARD QUESTION
Front
HDPE (High-Density Polyethylene) memiliki struktur linear.
Back
HDPE adalah polietilena dengan rantai lurus tanpa atau hampir tanpa cabang, memberikan sifat plastik yang kaku dan kuat.
5.
FLASHCARD QUESTION
Front
Proses produksi HDPE dilakukan pada suhu rendah dan tekanan tinggi.
Back
HDPE diproduksi pada suhu rendah (70-300°C) dan tekanan tinggi (10-80 bar).
6.
FLASHCARD QUESTION
Front
LDPE memiliki tingkat percabangan rantai samping pendek dan panjang.
Back
Percabangan ini memengaruhi struktur dan sifat fisik LDPE, seperti fleksibilitas dan kekuatan.
7.
FLASHCARD QUESTION
Front
LDPE dalam pengemasan makanan.
Back
LDPE digunakan untuk film pengemasan makanan seperti makanan beku dan barang kering.
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