Abstract
A Pulsed, home– built, hollow copper cathode discharge laser (HCCL) in the visible region and 1.76 mj energy per pulse, was used to irradiate a monomer so as to produce polymer. Three different categories of samples were irradiated for different intervals of time: 30, 60 and 90 minutes. Infrared Spectrometry was carried for the samples before and after irradiation and the collected spectra were analyzed and discussed. The results showed that the polymerization process starts in a very short time (30min), which indicates the efficiency of this type of laser in such application. Keywords: Laser, hollow copper cathode, polymerization.
Highlights
Polymerization process can be preceded by many spectra were analyzed and discussed
It may be subdivided into many types, showed that the polymerization process starts in a very such as free radical addition polymerization, an ionic short time (30min), which indicates the efficiency of this addition polymerization, and cationic polymerization
Free radical activates the monomer by opening the significant tools in chemistry for its remarkable double bond
Summary
Free radical activates the monomer by opening the significant tools in chemistry for its remarkable double bond. Characteristics, which are: narrow spectral range, high Initiation steps are as follows: intensity and the possibility of producing pulses of very - The initiator (I) decomposed into free radical (R*): short duration. Lasers can be used to drive chemical. Reaction in a chosen direction or to initiate reactions - The second step; the free radicals are added to the instead of the traditional method of adding thermal monomer unit M to form a chain radical M1*. Is the systemization of reactions by the excitation of where kd, ki are the speed constants for decomposition species that it dose not change. Of the chemical reactions and polymers a Propagation production
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