
Wetting And Dispersing Agent
Authored by Miki Babo
Chemistry
1st Grade
Used 3+ times

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9 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apa yang harus dilakukan untuk membuat cat dengan warna cerah, mengkilap, dan tinting strength tinggi?
Menggunakan Thickener
Menngunakan Humectant
Menambahkan Wetting dan Dispersing Agent
Menggunakan Biocide
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apa yang terjadi jika tegangan permukaan cairan lebih rendah dari energi permukaan partikel?
Pigmen akan sulit hancur dan basah
Pigmen akan teroksidasi
Pigmen mudah basah atau wetting
Pigmen akan menggumpal
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apa yang mempengaruhi proses wetting selain tegangan permukaan?
Tekanan udara
Suhu Cairan
pH Cairan dan Pigmen
Viskositas Cairan
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apa fungsi Dispersing Agent dalam proses dispersing?
Mempermudah terbentuknya agglomerat
Meningkatkan viskositas
Mempercepat proses penyatuan pigment
Mempermudah penghancuran agglomerat
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apa yang menyebabkan pigment menjadi tidak stabil?
Tingginya interaksi antar partikel pigmen
Pergeseran warna
Warna yang memudar
ekor polimer yang kompatibel dengan pelarut
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apa yang dimaksud dengan Stabilisasi Sterik?
Pigment yang telah terdispersi sempurna
Tegangan permukaan yang rendah antara pigment dengan pelarut
Stabilisasi dengan muatan pigment
Stabilisasi pigment dengan rantai polimer
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apa keuntungan Polymeric Dispersant dalam proses dispersing?
Meningkatkan viskositas
Memperlama waktu penggilingan
Memperlambat waktu proses dispersi
Meningkatkan kestabilan pigment
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