Application of UV curable coatings on plastic products
Release date:
2019-01-18
Plastics are ubiquitous in our lives, from shopping bags and toys to the casings of various items, packaging, and parts. It's safe to say that plastics are irreplaceable in our daily lives. However, traditional coatings used on plastics have issues such as environmental pollution, low wear resistance, poor corrosion resistance, susceptibility to oxidation, and difficulties in mass production. The advent of UV-curable coatings has offered a new direction for the development of plastic coatings.
UV-curable coating technology emerged in the 1990s. Due to its wide range of applications, it has rapidly developed in recent years, resulting in a vast array of UV-curable coatings. The application of UV-curable coatings on plastic products offers numerous advantages.
First, UV-curable coatings have a low curing temperature (less than 110℃), making them ideal for plastic products that are prone to plastic deformation at high temperatures.
Second, the use of UV-curable coatings on plastic products imparts the excellent properties of the UV coating to the plastic itself, such as corrosion resistance, wear resistance, scratch resistance, and good gloss.
Finally, the curing time for UV coatings is very short, accelerating production and automation processes, resulting in high production efficiency. Furthermore, the curing process does not use chemicals, minimizing environmental harm.
However, compared to traditional volatile plastic coatings, UV curing coatings also have drawbacks such as low adhesion, insufficient toughness, poor impact resistance, difficulty in post-processing, and high cost. Therefore, UV coatings cannot yet completely replace traditional plastic coatings. However, UV-curable coating technology is constantly developing, and the performance of the coatings is continuously being optimized. It is expected that the application of UV-curable coatings on plastic products will become increasingly widespread.
Coatings, UV, curing, plastics, plastic products
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