Description

Photoinitiator PBZ / Omnirad 4pbz / Genocure PBZ / Speedcure PBZ CAS 2128-93-0

Chemial Name:  4-phenylbenzophenone

Synonym:Genocure PBZ;Speedcure PBZ;Omnirad 4-pbz

CAS No:   2128-93-0

Molecular Formula:  C19H14O

General Information:

PBZ is an efficient type II free-radical photoinitiator for initiating polymerization between dilute acrylates and acrylate oligomers.

Specification:

Photoinitiator PBZ Usage:

From a historical perspective, the transformation of the printing industry is closely related to the application of the photoinitiator PBZ. The improvement of the performance of printing inks is the key to the progress from traditional printing technology to modern high-efficiency printing technology. In the past, practitioners were plagued by problems such as the slow drying speed of printing inks and unstable printing quality. The emergence of the photoinitiator PBZ was like a ray of light in the darkness. It can make inks dry quickly under light, greatly improving printing efficiency and quality. For example, in the high-speed printing lines of some large publishing houses, the use of inks containing photoinitiator PBZ has increased the printing speed by about 30% per hour, and the color saturation and clarity of the printed matter have been significantly improved.

Photoinitiator PBZ also excels in the field of wood varnishes. As we all know, wood varnishes need to have good abrasion resistance and transparency in order to protect the wood and show off its natural texture. In ancient times, people could only use simple materials such as natural resins to coat wood, but these materials were prone to abrasion and discoloration. With the development of the chemical industry, the photoinitiator PBZ was introduced into the formulation of wood varnishes. It participates in the curing process of the varnish, which forms a denser and stronger film, effectively extending the service life of the wood. According to the data of a long-term comparative experiment, the wear cycle of the wood surface under normal use is extended by 2-3 times when using wood varnishes containing the photoinitiator PBZ.

Photoinitiator PBZ is also indispensable for overprint varnishes. In the overprinting process, a second print is applied to an existing print pattern, which places extremely high demands on the drying speed of the varnish and its compatibility with the underlying ink. Photoinitiator PBZ meets these requirements perfectly, ensuring that the varnish dries quickly without reacting chemically with the underlying ink, thus ensuring the precision and quality of the overprint. In the printing of some exquisite works of art, such as limited edition stamps, the use of overprint varnishes containing photoinitiator PBZ makes the patterns on the stamps more delicate and the color layers more rich, presenting collectors with almost perfect works of art.

In terms of decorative coatings for metal cans and food products, the safety and high efficiency of photoinitiator PBZ have become important factors in its wide application. Food packaging is related to people’s health and places extremely high demands on coatings. Traditional coatings may contain harmful substances that may migrate into food after prolonged contact with it. The decorative coatings in which photoinitiator PBZ is involved not only dry quickly, but have also passed rigorous food safety tests and comply with international food packaging standards. For example, the use of coatings containing photoinitiator PBZ on the metal cans of some well-known beverage brands not only ensures the aesthetics of the packaging, but also the safety of the beverage during long-term storage.

In the field of adhesives, photoinitiator PBZ has also brought revolutionary changes. Take the bonding of parts in automobile manufacturing as an example. In the past, the adhesives used had long curing times, which affected production efficiency. However, the new adhesives containing photoinitiator PBZ can be quickly cured under specific light, greatly reducing the assembly time of automobile parts and improving the efficiency of the entire production line. According to statistics from the automobile manufacturing industry, the use of this new type of adhesive has reduced the assembly time of each car by an average of about 2 hours.

Pressure-sensitive transfer films are widely used in modern packaging and decoration, and photoinitiator PBZ also plays a key role in this. It enables the coating to cure quickly during the transfer process, ensuring that the pattern or text is transferred accurately. In the gift packaging industry, some exquisite hot stamping patterns are achieved using pressure-sensitive transfer films containing photoinitiator PBZ. This technology makes gift packaging more exquisite and gorgeous, and enhances the added value of the product.

Metal primers have a significant impact on the corrosion resistance of metals and the adhesion of subsequent coatings. Photoinitiator PBZ can enhance the curing effect of metal primers and form a stronger primer layer. In the protection of large metal structures such as bridges and ships, the use of metal primers containing photoinitiator PBZ can effectively resist the erosion of environmental factors such as seawater and the atmosphere, and extend the service life of the metal structure. According to relevant research, the maintenance cycle of bridges using this primer can be extended from the original 5-10 years to 10-15 years.

Photoresists are key materials in high-tech fields such as semiconductor manufacturing, and the application of photoinitiator PBZ in them has taken photolithography to new heights. During chip manufacturing, the resolution and sensitivity of the photoresist are crucial. The special properties of photoinitiator PBZ enable the photoresist to undergo precise chemical reactions in a very short exposure time, enabling the manufacture of even smaller chips. As technology continues to develop, researchers are exploring the use of the new properties of photoinitiator PBZ to develop more advanced photoresist materials to meet the demand for higher

integration in future chip manufacturing. We can assume that if the application of photoinitiator PBZ in photoresists can be further optimized, it may break through some of the current technical bottlenecks in chip manufacturing and achieve a qualitative leap in chip performance, which will have a profound impact on the entire electronic information industry.

Package:

20kg/carton.

Storage:

Stored in a cool dry place out of direct sunlight.

Contact Us Now!

If you need Price, please fill in your contact information in the form below, we will usually contact you within 24 hours. You could also email me sale01@longchangchemical.com during working hours ( 8:30 am to 6:00 pm UTC+8 Mon.~Sat. ) or use the website live chat to get prompt reply.