Safety hazard grade of chemical reagents Hazardous chemicals labels pasted on chemical containers contain the following meanings. E: Explosive T: Toxic O: Oxidizing agent Xn: Harmful F++: Extremely flammable Xi: Irritant F+: Highly flammable C: Corrosive F: Flammable N: Dangerous for the environment T+: Very toxic Chemicals data sheets contain codes that mark certain "hazard [...]
Applications of Photoinitiator EDB Ethyl 4-(dimethylamino) benzoate (EDB, CAS 10287-53-3) is a highly effective amine synergist. It is commonly used with free radical photoinitiator. Dialkyl aminobenzoic acid ester is an efficient amine accelerator. It is commonly used with free radical photoinitiator. It is mainly used for ultraviolet curing of varnish coatings on paper, wood, metal [...]
Introduction of Acylphosphine Oxide Photoinitiator Acylphosphine oxide photoinitiator is a kind of norrish(I)photoinitiator, this photoinitiator can be widely used in coatings, inks, adhesives, corrosion resistors, solder inhibitors and other industries due to its excellent properties. Acylphosphine oxide compounds have the advantages of high initiation efficiency, fast curing speed and low yellowing, and are often [...]
China will introduce the limit value of VOCs in inks in 2019 According to the requirements of the project on the production and use of high-VOCs solvent-based coatings, inks, adhesives, etc. in the key areas of the “Three-Year Action Plan for Winning the Blue Sky Defence War” issued by the State Council, the China [...]
Developers in thermal paper Developers used in thermal papers are expected to have the following characteristics: High thermal sensitivity. A sharp melting point within the appropriate temperature range. Good compatibility with leuco dyes and high stability of reaction products. Low solubility to water. No sublimation. There are some factors that have the opposite effect between [...]
UV Ink Development Trend The environmental protection is strict and the ink market is facing changes. As the most common and easily overlooked thing in everyday life, packaging is undergoing a profound transformation. At present, flexible packaging accounts for 15% of the entire packaging industry. The large-scale ink products are used for packaging printing. Among [...]
Characteristics of photoinitiators UV-curing technology is characterized by less environmental pollution, fast curing speed, low energy consumption. It is the fastest growing market segment in the ink, coating, printing and packaging fields. UV-curing resin system is mainly composed of photoinitiator, reactive oligomer, active diluent and other additives. Photoinitiator is the key component of uv-curing resin [...]
Crystal violet lactone and ODB-2 for thermal papers Nowadays, thermal paper can be seen everywhere, it is widely used on POS receipt, lottery and gaming, tags and labels and other applications. Thermal paper comprises a base paper and a layer of heat-sensitive chemicals which include color former, color developer, sensitizers, ect. At present, the 2-phenylamino-3-methyl-6-dibutylaminofluorane (ODB-2) [...]
Photoinitiator TPO application field analysis UV-Curing technology is an efficient, environmentally friendly, energy-saving excellent material surface treatment technology and processing technology, which is known as the new technology of green industry in the 21st century. The UV-Curing technology has been gradually developed in China since the 1980s. In the 21st century, China's UV-Curing industry has [...]
Fine chemicals for thermal recording paper Thermal recording paper usually refers to leuco dye thermal recording paper, which is composed of base paper and thermal coatings. Color former, developer, sensitizer Various fine chemicals are used in the thermal coatings, the main chemicals are thermosensitive dyes, color formers, developers, sensitizers and stabilizers. They are dispersed in [...]