photoinitiator


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photoinitiator

[‚fōd·ō·ə′nish·ē‚ād·ər]
(physical chemistry)
A substance (other than reactant) which, on absorption of light, generates a reactive species (ion or radical), initiates a chemical reaction or transformation, and is consumed.
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References in periodicals archive ?
Weilburger claims to be one of the first in the printing sector to be able to market a U V coating free of low molecular weight photoinitiators after extensive testing by its customers.
To the best of our knowledge, no studies have been published on the preparation of dental acrylate resins using Irgacure 784 as a photoinitiator in combination with a green LED light source.
This increase in modulus with the decrease in photoinitiator concentration could be attributed to higher molecular weight polymer chains (see Figure 4).
Furthermore BASF will continue to serve the specific needs of the electronics industry with high-performance photoinitiators, said Dr.
13 with more photoinitiator in the compositions, the lower transmittance of Iniferter-PS dependent PDLCs was obtained.
In this study cloud point analysis was used to analyse different concentrations of PNVCL solution containing different wt% of photoinitiator. Figure 3 demonstrates a representation of PNVCL polymers above and below their LCST, whereas the data is reported in Table 2.
Riboflavin as Photoinitiator. The polymerization of HEMA was carried out in aqueous and organic solvents (acetonitrile, methanol, and ethanol) containing RF as photoinitiator and 0.01 M TEOHA as a coinitiator.
This peak emission is near the absorption peak of camphorquinone (470 nm), which was the photoinitiator used in the resins evaluated.
A novel amphipathic polymeric thioxanthone photoinitiator. Polymer, 50, 37-41.
The process includes forming a monomer mixture comprising at least one monomer capable of forming a superabsorbent polymer, a crosslinking agent, an initiator system that contains 0 to 300 ppm of a persulfate, a photoinitiator and, optionally, water.
Keywords Isopropylthioxanthone, Maleic anhydride, Photoproduct, Kinetics, Photoinitiator
The photoinitiators in the 7th generation polymerize at the low end of the spectrum, so please make sure if you are using an LED curing light that it has the capability of curing that particular photoinitiator.