Written in English
Thesis [Ph.D.] -CNAA at Manchester Polytechnic, Department of Chemistry, 1990.
|Contributions||Manchester Polytechnic. Department of Chemistry.|
Synthesis and photochemistry of novel aromatic carbonyl photopolymerization initiators. Author: Lam, Edward. Awarding Body: Manchester Polytechnic Current Institution: Manchester Metropolitan University Date of Award: Availability of Full Text. The photochemistry and photopolymerization activity of a novel initiator, 3,4-dimethyl(3-N,N-dimethyl)-n-propoxythioxanthone, has been compared with that of the non-aminated molecule, 3,4-dimethyln-propoxythioxanthone. Using photodilatometry, the rate of photopolymerization of n-butyl methacrylate is significantly greater for the aminated Cited by: 8. Synthesis of novel monomeric (2) and polymeric (2) RHMA based PIs with side-chain BP. • Photopolymerization efficiency of the initiators was determined using photo-DSC. • Polymeric photoinitiators showed higher efficiency than the monomeric ones and BP. • This effect observed to be much more important than that of monomer by: His research interests focused both on the excited-state processes in photoinitiatiors and photosensitizers and their application to photopolymerization reactions in various areas. He has published a total of around research articles, book chapters, review papers, technical papers, proceedings, and patents, as well as authoring one book.
Photochemistry and photopolymerization activity of novel perester derivatives of fluorenone: a conventional and laser flash photolysis study. Journal of Photochemistry and Photobiology A: Chemistry , 50 (3), DOI: /(90)Cited by: Abstract. Green chemistry has become a central issue in present-day chemistry. Photochemical reactions appear to have a great potential because in-depth chemical transformations are obtained in the absence of chemical activators, and thus no waste is : Angelo Albini. Photochemistry-chemical reactions initiated by light-energy is absorbed or emitted by matter in discrete quanta called photons-absorption of light leads to an electronic excitation (ground state→excited state)-promote an e-like n→π∗ or π→π∗-most chemistry takes place from S1 and T1 excited states E = hν = hc/ λ. Chap. 12 Photochemistry 2nd singlet excited state 1st singlet excited state Ground state 3rd triplet excited state 2nd triplet excited state 1st triplet excited state 1. Light absorption: S0 →S1, S0→S2 k~ 2. Vibrational Relaxation: k~/s, from high νto low ν 3. Internal Conversion: to lower electronic state of same multiplicity (k File Size: KB.
Photochemistry and polymerization of novel 4-alkylamino benzophenone initiators g CONVERN VERSUS EXPOSURE TIME O.l:g w/w ;~ CONVERSION VERSUS EXPOSURE TlllE g w/w Z 0 e~ z o g~ 80 60 40 20 COMPOI, C(NIPOUND I I: COMPOUND I 0 COMPOUND 9 BENZOPHENONE 0~ 0 I 0 20 30 40 50 60 EXPOSURE TIME (SECS) Fig. by: UV Photochemistry of Peroxyformic Acid (HC(O)OOH): An Experimental and Computational Study Investigating nm Photolysis. The Journal of Physical Chemistry A , (31), Cited by: 1. The purpose of this session of the workshop was to assess the current status of research in, and identify potential applications for, the use of concentrated solar photons in photochemical synthesis and to recommend research directions that could lead to them, or to other, applications. Session. Novel polymerizable N‐aromatic maleimides as free radical initiators for photopolymerization Article in Polymer International 55(8) - August with 16 Reads How we measure 'reads'.