UV-curable pressure-sensitive adhesives have been on the market for several years, and people’s interest in this market is slowly but steadily increasing. However, due to various reasons, this technology still seems to be difficult to obtain a wider range of applications. Among them, the selection of raw materials for UV-curable pressure-sensitive adhesives is not large, and there are two factors that are higher than the price of traditional pressure-sensitive adhesives.
Experts believe that it is very important to develop UV-curable pressure-sensitive adhesives. It is necessary to understand where their advantages can be brought into play, how to best utilize these advantages, and some require adhesives with high temperature stability and solvent resistance. The professional application is particularly noteworthy. Another point is to consider the relationship between the performance of the pressure sensitive adhesive and the UV curing conditions. The results of the study demonstrate that a variety of external factors not related to the adhesive formulation itself, including the weight of the coating, the temperature of the cure site, and variations in the UV radiation dose and wavelength range, can all affect the properties of the adhesive.
Shell has developed two new products called Kraton D-KX 222C and Kraton Liquid Polymers, which overcome the shortcomings of Kraton, the previous generation product, and maintain the advantages of easy processing. All of them are radiation cured to produce a superior adhesive layer whose radiation can be ultraviolet light or electron beam. Shell claims to have figured out the UV curing characteristics of these polymers. The next step is to clarify the development of electron beam curing.
A major application area for pressure-sensitive adhesives is the label market. In 1998, 170,000 tons of adhesives were used worldwide for the production of stickers and adhesive tapes. The market is dominated by water-soluble acrylic dispersants, followed by SIS/SBS ​​hot melt adhesives and solvent-based adhesives based on rubber and acrylic substrates. According to BASF, the hot melt growth is the strongest among the raw materials used in pressure sensitive adhesives.
At present, the formulation technology and processing methods of UV pressure-sensitive adhesives have expanded their application scope. In addition to packaging labels, there are surface printing, confidential documents, automotive interior decoration, medical tapes, and transmission tapes. Compared with a few years ago, people are now more focused on industrial applications.
The research and development of base polymers needed to further expand the application range of UV-curable pressure-sensitive adhesives is continuing, and it is expected that the development prospects of such adhesives will be exciting, and their commercial applications will surely get even greater development.
Experts believe that it is very important to develop UV-curable pressure-sensitive adhesives. It is necessary to understand where their advantages can be brought into play, how to best utilize these advantages, and some require adhesives with high temperature stability and solvent resistance. The professional application is particularly noteworthy. Another point is to consider the relationship between the performance of the pressure sensitive adhesive and the UV curing conditions. The results of the study demonstrate that a variety of external factors not related to the adhesive formulation itself, including the weight of the coating, the temperature of the cure site, and variations in the UV radiation dose and wavelength range, can all affect the properties of the adhesive.
Shell has developed two new products called Kraton D-KX 222C and Kraton Liquid Polymers, which overcome the shortcomings of Kraton, the previous generation product, and maintain the advantages of easy processing. All of them are radiation cured to produce a superior adhesive layer whose radiation can be ultraviolet light or electron beam. Shell claims to have figured out the UV curing characteristics of these polymers. The next step is to clarify the development of electron beam curing.
A major application area for pressure-sensitive adhesives is the label market. In 1998, 170,000 tons of adhesives were used worldwide for the production of stickers and adhesive tapes. The market is dominated by water-soluble acrylic dispersants, followed by SIS/SBS ​​hot melt adhesives and solvent-based adhesives based on rubber and acrylic substrates. According to BASF, the hot melt growth is the strongest among the raw materials used in pressure sensitive adhesives.
At present, the formulation technology and processing methods of UV pressure-sensitive adhesives have expanded their application scope. In addition to packaging labels, there are surface printing, confidential documents, automotive interior decoration, medical tapes, and transmission tapes. Compared with a few years ago, people are now more focused on industrial applications.
The research and development of base polymers needed to further expand the application range of UV-curable pressure-sensitive adhesives is continuing, and it is expected that the development prospects of such adhesives will be exciting, and their commercial applications will surely get even greater development.
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