Asked by Elizabeth
Is this true?
Is a permanent marker a chemical or physical change?
A permanent marker is a physical change. Because it’s solvent is alcohol based, the mark made by the marker will dry quickly because of the speedy evaporation of the base. Almost immediately afterward, a permanent, water resilient resin will film over the pigments used to make the color of the marker. The most used resin is urethane acrylic acids resins, often found in house paint.
Why is a permanent marker affected by alcohol but not by water?
The resin, or polymer, is used make a water-tight film over the pigments. Because the marker’s solvent is alcohol based, the alcohol with strip away the film and pick up the pigements, making the mark smear or separate.
I NEED TO KNOW BY NINE o'CLOCK!
Is a permanent marker a chemical or physical change?
A permanent marker is a physical change. Because it’s solvent is alcohol based, the mark made by the marker will dry quickly because of the speedy evaporation of the base. Almost immediately afterward, a permanent, water resilient resin will film over the pigments used to make the color of the marker. The most used resin is urethane acrylic acids resins, often found in house paint.
Why is a permanent marker affected by alcohol but not by water?
The resin, or polymer, is used make a water-tight film over the pigments. Because the marker’s solvent is alcohol based, the alcohol with strip away the film and pick up the pigements, making the mark smear or separate.
I NEED TO KNOW BY NINE o'CLOCK!
Answers
Answered by
bobpursley
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