PMID- 35057379
OWN - NLM
STAT- PubMed-not-MEDLINE
LR  - 20220128
IS  - 1996-1944 (Print)
IS  - 1996-1944 (Electronic)
IS  - 1996-1944 (Linking)
VI  - 15
IP  - 2
DP  - 2022 Jan 16
TI  - New BODIPY Dyes Based on Benzoxazole as Photosensitizers in Radical 
      Polymerization of Acrylate Monomers.
LID - 10.3390/ma15020662 [doi]
LID - 662
AB  - A series of 2-phenacylbenzoxazole difluoroboranes named BODIPY dyes (1-8) was 
      designed and applied as photosensitizers (PS) for radical photopolymerization of 
      acrylate monomer. The light absorption within the ultraviolet-visible (UV-Vis) 
      range (lambda(max) = 350-410 nm; epsilon(max) = 23,000-42,500 M(-1)cm(-1)), that is strongly 
      influenced by the substituents on the C3 and C4 atoms of phenyl ring, matched the 
      emission of the Omnicure S2000 light within 320-500 nm. The photosensitizer 
      possess fluorescence quantum yield from about 0.005 to 0.99. The 
      2-phenacylbenzoxazole difluoroboranes, together with borate salt (Bor), iodonium 
      salt (Iod) or pyridinium salt (Pyr) acting as co-initiators, can generate active 
      radicals upon the irradiation with a High Pressure Mercury Lamp which initiates a 
      high-performance UV-Vis light-induced radical polymerization at 320-500 nm. The 
      polymers obtained are characterized by strong photoluminescence. It was found 
      that the type of radical generator (co-initiator) has a significant effect on the 
      kinetic of radical polymerization of acrylate monomer. Moreover, the chemical 
      structure of the BODIPY dyes does not influence the photoinitiating ability of 
      the photoinitiator. The concentration of the photoinitiating system affects the 
      photoinitiating performance. These 2-phenacylbenzoxazole difluoroborane-based 
      photoinitiating systems have promising applications in UV-Vis-light induced 
      polymerization.
FAU - Skotnicka, Agnieszka
AU  - Skotnicka A
AUID- ORCID: 0000-0002-7286-2692
AD  - Department of Organic Chemistry, Faculty of Chemical Technology and Engineering, 
      University of Science and Technology, Seminaryjna 3, 85-326 Bydgoszcz, Poland.
FAU - Kabatc, Janina
AU  - Kabatc J
AD  - Department of Organic Chemistry, Faculty of Chemical Technology and Engineering, 
      University of Science and Technology, Seminaryjna 3, 85-326 Bydgoszcz, Poland.
LA  - eng
PT  - Journal Article
DEP - 20220116
PL  - Switzerland
TA  - Materials (Basel)
JT  - Materials (Basel, Switzerland)
JID - 101555929
PMC - PMC8781298
OTO - NOTNLM
OT  - 2-penacylbenzoxazole difluoroboranes
OT  - kinetic
OT  - photoinitiator
OT  - polymerization
OT  - sensitizer
COIS- The authors declare no conflict of interest.
EDAT- 2022/01/22 06:00
MHDA- 2022/01/22 06:01
PMCR- 2022/01/16
CRDT- 2022/01/21 01:17
PHST- 2021/11/13 00:00 [received]
PHST- 2021/12/30 00:00 [revised]
PHST- 2022/01/13 00:00 [accepted]
PHST- 2022/01/21 01:17 [entrez]
PHST- 2022/01/22 06:00 [pubmed]
PHST- 2022/01/22 06:01 [medline]
PHST- 2022/01/16 00:00 [pmc-release]
AID - ma15020662 [pii]
AID - materials-15-00662 [pii]
AID - 10.3390/ma15020662 [doi]
PST - epublish
SO  - Materials (Basel). 2022 Jan 16;15(2):662. doi: 10.3390/ma15020662.