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Volumn 69, Issue 3, 1996, Pages 693-700

Laser flash photolysis in high-speed photopolymer coating layers: Effects of incorporating dimethyl phthalate as a plasticizer into coating formulation

Author keywords

[No Author keywords available]

Indexed keywords

COUMARIN DERIVATIVE; DYE; PHTHALIC ACID DIMETHYL ESTER;

EID: 0029991858     PISSN: 00092673     EISSN: None     Source Type: Journal    
DOI: 10.1246/bcsj.69.693     Document Type: Article
Times cited : (28)

References (31)
  • 2
    • 0003111291 scopus 로고
    • H. Nagasaka, T. Urano, and M. Tsuchiyama, Mitsubishi Kasei R and D., 1, 52 (1992); T. Urano, K. O. Nguyen, H. Nagasaka, M. Tsuchiyama, S. Shimizu, H. Itoh, and Y. Senda, Bull. Chem. Soc. Jpn., 67, 1 (1994).
    • (1992) Mitsubishi Kasei R and D. , vol.1 , pp. 52
    • Nagasaka, H.1    Urano, T.2    Tsuchiyama, M.3
  • 8
    • 9244247658 scopus 로고    scopus 로고
    • Molecular weight 422.4 and 194.2 for the monomer (M) and DMP, see Fig. 1 for the structure of M
    • Molecular weight 422.4 and 194.2 for the monomer (M) and DMP, see Fig. 1 for the structure of M.
  • 15
    • 9244232364 scopus 로고    scopus 로고
    • note
    • For the assignment of the transient absorption of KCD-J and KCD-DA, see Ref. 4. a) the transient absorption spectrum of KCD-J and KCD-DA in PMMA containing DMP on the direct laser excitation was similar to that on the triplet sensitization using Michler's ketone as a triplet sensitizer in benzene (Fig. 3(b)).
  • 16
    • 9244221692 scopus 로고    scopus 로고
    • note
    • 9c)
  • 18
    • 9244235571 scopus 로고    scopus 로고
    • note
    • As for origins of the shorter decay time of triplets in PMMA containing DMP compared to that in PMMA, we can consider the three possibilities of the increase of oxygen concentration by higher penetration of oxygen into the film, the increase of quenching rate by oxygen due to higher mobility of oxygen, and the increase of non-irradiative deactivation rate.
  • 19
    • 9244228565 scopus 로고    scopus 로고
    • note
    • The dominant photophysical features for 7-dialkylamino-coumarin dyes were discussed in Refs. 9b and 9c, in terms of emission from an intramolecular charge transfer (ICT) excited state and an important nonradiative decay path involving rotation of the dialkylamino group leading to the TICT state.
  • 20
    • 9244249229 scopus 로고    scopus 로고
    • note
    • If we apply Perrin equation to the attenuate of the initial ABS plots of triplet triplet quenching distances of 11.9 and 12.7 Å were apparently obtained.
  • 21
    • 9244235048 scopus 로고    scopus 로고
    • note
    • 1.
  • 22
    • 9244228564 scopus 로고    scopus 로고
    • note
    • 1) where the attenuation rate of triplet of KCD-DA was much higher than that of fluorescence as explained by the TRI's static quenching of the singlet and the triplet state.
  • 23
    • 9244224167 scopus 로고    scopus 로고
    • note
    • 00 is the excitation energy of the singlets of the dyes, computed from absorption and emission, and C, coulombic term, usually assumed to value ca. 0.1 eV for acetonitrile solvent.
  • 29
    • 9244241051 scopus 로고    scopus 로고
    • As for sensitization mechanism of CD-J and CD-DA in a PMMA film, see Ref. 4
    • As for sensitization mechanism of CD-J and CD-DA in a PMMA film, see Ref. 4.
  • 31
    • 9244224711 scopus 로고    scopus 로고
    • note
    • 1)


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.