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What Should We Pay Attention To When We Use A Roll To Roll Heat Press Machine?

What Should We Pay Attention To When We Use A Roll To Roll Heat Press Machine?

What Should We Pay Attention To When We Use A Roll To Roll Heat Press Machine?

heat transfer printingRoll to roll heat press machine are used for pieces to pieces and roll to roll sublimate printing

1. Temperature and time

Sublimation transfer process requires temperature control in the 180 ℃ ~ 230 ℃ range, the time is about 10 ~ 30s, while paying attention to the reasonable allocation of temperature and time.

2. Sublimation ink

Sublimation transfer technology, the key material mainly by disperse dyes, connecting materials, solvents and a small amount of additives. Dyes should have good sublimation transferability and permeability. And reached a certain degree of fastness indicators, molecular weight of 23O ~ 380, sublimation temperature of 180 ℃ ~ 240 ℃ commonly used digital transfer printing dye anthraquinone dyes, azo dyes and cationic dyes and so on.

The connection material to the dye with a small affinity, easy to release dye gas, and the appropriate printability, preservation and thermal transfer adaptability, commonly used in the connection material for the low viscosity of ethyl cellulose, ethyl ethyl cellulose (EHEC), long oil modified alkyd resin. Commonly used solvents are turpentine, terpineol, high boiling alkanol, aralkane, cellosolve and so on.sublimation roll heat press

3. Pressure

Pressure is also one of the important parameters of the sublimation transfer process. For example, if the pressure is too small, the gap between the fabric and the transfer paper is large, the yarn is round, the ink gas molecules collide with the air and escape, resulting in poor printing effect, while the ink is also easy But the pressure is appropriate, the yarn is flat and the transfer paper between the gap is appropriate, the transfer coloring effect is good, clear pattern, smooth lines Fine: If the pressure is too large, it is phone to deformation, fluff and heavy fabric morphological changes and other issues, resulting in rough and color rendering and other shortcomings. Therefore, the control of the transfer pressure on the printed pattern, clear pattern, visual effects and so very critical.

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