The product Factory Supply Photoinitiator 907 with CAS number 71868 - 10 - 5 is a high - quality photoinitiator offering at the best price. Photoinitiator 907 is a type of chemical compound that plays a crucial role in the photopolymerization process.
Chemical name: 2 - Methyl - 1 - [4 - (methylthio)phenyl] - 2 - morpholinopropan - 1 - one. Molecular formula: C14H19NO2S. Molecular weight: 265.37 g/mol. It usually appears as a white to off - white crystalline powder with a melting point in the range of 72 - 76°C. This product is soluble in common organic solvents such as acetone, toluene, and ethyl acetate, which makes it easy to use in various formulations.
Photoinitiator 907 is widely used in many industries due to its excellent photo - initiating properties.
In the coatings industry, it can be used in UV - curable coatings. UV - curable coatings dry and harden quickly under ultraviolet light, which can significantly improve production efficiency. These coatings are often used for wood, metal, and plastic surfaces, providing good wear resistance, chemical resistance, and gloss.
In the printing ink industry, Photoinitiator 907 is an important component in UV - curable inks. It allows the inks to dry instantly when exposed to UV light, reducing the drying time and preventing smudging. This is especially useful in high - speed printing processes, such as flexographic and offset printing.
In the adhesives industry, it enables the rapid curing of UV - curable adhesives. These adhesives are used for bonding various materials, including glass, ceramics, and electronic components, providing strong and durable bonds.
When using Photoinitiator 907, it is essential to follow proper procedures. First, it should be thoroughly mixed with the resin and other additives in the formulation. The recommended dosage of Photoinitiator 907 is usually in the range of 1 - 5% by weight, depending on the specific application and requirements.
During the mixing process, ensure that the temperature is within the appropriate range to maintain the stability of the compound. After the formulation is prepared, it can be applied to the substrate using methods such as spraying, brushing, or roll - coating.
For curing, expose the coated or printed substrate to a suitable UV light source. The intensity and exposure time of the UV light need to be adjusted according to the thickness of the layer, the type of formulation, and the desired curing effect. Generally, a medium - pressure mercury lamp or a LED UV lamp can be used as the UV light source.
1. Wood Coating Case: A furniture manufacturer used a UV - curable coating containing Photoinitiator 907. They applied the coating on wooden furniture parts by spraying. After exposure to a medium - pressure mercury lamp for a few seconds, the coating cured completely. The cured coating provided excellent scratch resistance and a high - gloss finish. The production efficiency was greatly improved as the drying time was reduced from hours to seconds, and the furniture could be assembled and packaged immediately.
2. Printing Ink Case: A printing company adopted UV - curable inks with Photoinitiator 907 in their offset printing process. The inks dried instantly on the printed paper under UV light, resulting in sharp and clear prints without any smudging. The high - speed printing could be carried out continuously, increasing the production volume and reducing the waste caused by ink smudging.
3. Adhesive Bonding Case: An electronics manufacturer used a UV - curable adhesive with Photoinitiator 907 to bond small electronic components. The adhesive was applied between the components, and then exposed to a LED UV lamp. The rapid curing of the adhesive ensured a strong and reliable bond, which was crucial for the long - term performance of the electronic products. The use of this photoinitiator also reduced the production time and improved the overall product quality.
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