The Popular Printing Method---Sublimation Transfer Printing

                                            The Popular Printing Method---Sublimation Transfer Printing
sublimation paper rolls
    Fill your ice cube trays with water, place them in the freezer, and the next day, you will have ice cubes

formed through a process called freezing. If you drop those ice cubes on the floor, soon they will have

melted into a puddle of water. Freezing and melting are two common phase transitions, or changes in

the states of matter to or from solid, liquid, gas, or plasma.

    Sublimation is another one of these phase transitions; except in this case, we have a solid turning

directly into a gas. As a sublimating material changes from a solid to a gas, it never passes through

the liquid state. This image shows water in its three forms: ice, water, and steam. Sublimation is just

one of the ways water or another substance can change between its potential phases.

sublimation materials
    Sublimation is the process of change of state by a chemical element/ substance from the solid

state directly to a gaseous state without transiting to the liquid state in between. The reverse process

of the gas solidifying back is also possible as in the formation of frost. Many interesting examples of

Sublimation process occur in our daily lives; dry ice (solid carbon dioxide), Napthalene balls (white

moth balls used to ward off insects), ice cubes from the trays inside the freezer, Iodine crystals, snow,

camphor & toilet freshner cakes (para dichlorobenzine). This depends on the vapor pressure of the

material and the prevailing temperature, pressure conditions. Sublimation has useful applications in

printing, chemical purification, frost-free refrigeration, etc. Zinc, cadmium, ammonium chloride and

arsenic also exhibit this ability under some conditions.

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