What are the thermal transfer coating consumables?

1. What is a thermal transfer coating?

Thermal transfer coating is actually a special printing process that makes the printed image printed on the medium after heating, mainly using thermal transfer ink to print on the goods coated with a special coating. This special medium applied to the product is the thermal transfer coating. Only the surface of the product coated with this special material can be transferred to the pattern.

And the coating is often one of the keys to determining a good finished product. It is especially important to choose a good and reliable coating.

2. Thermal transfer coating.

Thermal transfer coating is a one-component coating with a special purpose, which is specially used for thermal transfer bottom film coating. This product has many advantages such as clear texture of transfer, good permeability, small diffusion, low temperature and not easy yellowing, and has high gloss and color retention, excellent weather resistance, strong adhesion, flexibility, impact resistance, hardness, wear resistance and excellent chemical resistance, simple and convenient construction, and is not easy to produce sagging, blistering and other drawbacks. It is very suitable for surface coating of ceramics, glass, aluminum, metal and other items.

3. Construction methods.

This product can be sprayed, dipped, rolled, brushed and other construction methods, usually we use spraying heat transfer coating, in order to be suitable for small workshops to make personalized products and use printer spraying.

4. Transfer construction thinner.

Mixed thinner material of benzene, esters, alcohols, ethers and other solvents.

5. Construction viscosity.

It can be adjusted by adding an appropriate amount of thinner according to the process requirements. If the dipping cup is used, it is generally used with 2 parts of paint and a part xylene or toluene.

6. Pre-processing of transfer.

1) Clean the surface of the treated object thoroughly.

2) Immerse the surface of the treated product in the base solution and take it out after it is completely coated.

3) Place in the dust cabinet for 5-8 minutes.

7. Curing conditions.

Heat 210 10 25-30min

8. Note: Stir well before use, and seal the lid after use. The thermal transfer coating is flammable and dangerous, please keep away from smoke and fire, and store it in a cool and dry place.

9. Storage. It should be stored in a cool and ventilated place, dry and clean room, away from fire and heat sources, avoiding direct sunlight, and the storage period is half a year.

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In the early days, thermal transfer coatings were mainly modified with thermosetting acrylic resin, amino resin, epoxy resin, or silicone resin, polyester, polyurethane, etc.

It has been used for more than 20 years. With the development of material science and technology, we have adopted two of the best performance in the world after long-term experiments.

A kind of resin materials: silicone and polytetrafluoroethylene (aka: Teflon, Teflon, PTFE, F4, plastic king), synthesized a new generation of fluorosilicon modification.

Thermal transfer coating. Silicon is one of the most abundant elements on earth, one of the basic materials for the origin of life, and one of the most hygienic materials; PTFE is present.

It is one of the most stable resin plastics with strong corrosion resistance and weather resistance. PTFE spraying is widely used in many products, such as heat stamper heating plate, electric iron, hair iron, non-stick pan, etc.; But the spraying process is more complicated, one is to make the material into powder, disperse in water for spraying, at a high temperature of more than 350, the powder is melted and sintered on the surface of the sprayed object, and the coating does not have enough time to level, so the surface treatment effect obtained by this method is relatively rough (such as the inner tank of the rice cooker). Another method is to melt the material into a liquid state at a high temperature of about 400, spray it on the surface of the metal plate by means of thermal spraying, this method is widely used in the large-scale flat heat press machine industry, the surface of the treated heating plate is smooth, it has self-cleaning and non-stickiness, and it is no longer necessary to isolate it with a high-temperature cloth and cloth when using.

The physical state of the super thermal transfer coating resin is a viscous liquid, which does not need to add any solvent, and is sprayed directly with a special spray gun, which has excellent leveling, and only needs 200 bakes to completely cure, and the cured coating gloss and pattern reproduction are very excellent.

A new generation of fluorosilicon modified thermal transfer coating is synthesized by using two resin materials with the best performance in the world, silicone and polytetrafluoroethylene (aka: Teflon, Teflon, PTFE, F4, Plastic King).

1. It can be repeatedly cleaned in the dishwasher for a long time, the image does not fade, the edge of the pattern is clear, and the color does not diffuse;

2. The ingredients are fully in line with the California FDA standards, and are used for tableware and plates, which can directly hold food.

3. Excellent heat fastness, even if it has just been transferred to 200 ** and has not cooled, it can not be picked with nails; When the hot water washes against each other, the coating will not break.

Fourth, the sublimation ink can be cross-linked with the coating during transfer printing to generate new substances, and the pigment can be firmly fixed on the coating, even if it is warmed again, the ink will not diffuse to the non-transfer area; This feature can be used two or more times on the same image cup or other utensils with this material, and the required ** can be transferred at will.

Fifth, the characteristics of non-diffusion of transfer printing, can be applied to all daily ceramics, only need to change the pigment of ceramic decal paper from high temperature ceramic pigment, to heat transfer ink, and the decals are the same as the traditional way, but the temperature of the baking flower is reduced from more than 800 degrees to 200 degrees, saving a lot of energy and improving the clarity.

6. Weather resistance for 50 years in normal state, resistance to pressure cooker cooking or high-pressure steam for a long time, no coating and no fading. Other applications: stainless steel tableware, knives, sanitary utensils, architectural ceramics...

Thermal transfer coating is mainly applied to some hard objects, such as ceramics, glass, and objects that want to be heat transferred.

At the end of the 20th century, there was a DIY gift boom in the United States, which at that time was mainly about clothes and other things. Later, people wanted to apply this kind of thing to porcelain, metal. However, these things are relatively sturdy, and they are not sensitive to complete the operation.

Professor Smith of the University of Pennsylvania in the United States is studying what kind of paint to make from the spine. This is the ancestor of thermal transfer coatings. With the development of the times.

Coatings are also constantly evolving, from the past with many or permeable molecules to the current single molecules.