9H-Carbazole-9-ethanol (CARET) and phenyl-N-tert-butylnitrone (PBN) (Scheme 2 ) were obtained from Sigma Aldrich (St. Louis, MO, USA). Bis-(4-tert-butylphenyl)iodonium hexafluorophosphate (Iod or Speedcure 938) and bis(2,4,6-trimethylbenzoyl) phenylphosphine oxide (BAPO or speedcure BPO) were obtained from Lambson (Lambson Ltd., Wetherby, UK). Trimethylolpropane triacrylate (TMPTA) and 3,4-epoxycyclohexylmethyl 3,4-epoxycyclo-hexylcarboxylate (EPOX; Uvacure 1500) were obtained from Allnex (Frankfurt, Germany) and used as benchmark monomers for radical and cationic photopolymerization. Bisphenol A-glycidyl methacrylate (BisGMA) and triethyleneglycol dimethacrylate (TEGDMA) were obtained from Sigma Aldrich and used with the highest purity available. The full procedures for the synthesis of Cd1 –Cd7 , are presented in the Supporting Information .
Bisphenol a glycidyl methacrylate bisgma
Manufactured by Merck Group
Sourced in United States
Bisphenol A-glycidyl methacrylate (BisGMA) is a key component used in the manufacturing of dental composite resins. It is a high molecular weight, viscous dimethacrylate monomer that serves as a matrix resin in dental restorative materials. BisGMA is known for its ability to enhance the mechanical and physical properties of these materials.
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3 protocols using bisphenol a glycidyl methacrylate bisgma
1
Photopolymerization Monomers and Initiators
2
Composite Resin Formulation Protocol
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Table 1 provides the ingredients and their concentrations used for the manufacture of the experimental composite resin. The matrix consisted of two mixed monomers, bisphenol A-glycidyl methacrylate (bisGMA) and triethylene glycol dimethacrylate (TEGDMA) (all purchased from Sigma-Aldrich, St. Louis, MO, USA). Additionally, Diketone (CQ, Sigma-Aldrich, St. Louis, MO, USA), as the photo initiator and N, N-dimethylaminoethyl methacrylate (DMAEMA) as a coinitiator (both Sigma-Aldrich, St. Louis, MO, USA).
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3
Synthesis of Acrylate Resin-Based Materials
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4-Nitrobenzaldehyde,
4-bromoaniline,
2,3-butanedione, p-toluene sulfonic acid, and anhydrous
acetic acid were purchased from Energy Chemical. The used acrylate
resin includes trimethylolpropane triacrylate (TMPTA), triethylene
glycol dimethacrylate (TEGDMA), hexamethylene diacrylate (HDDA), dipropylene
glycol acrylate (DPGDA), tri(propylene glycol) diacrylate (TPGDA),
and polyethylene glycol acrylate (PEGDA), which were purchased from
Tokyo Chemical Industry. A polyester acrylate resin (PEO 2257) and
a polyurethane acrylate (PUA 5268) were obtained from Shanghai Baorun
Chemical Co. Ltd. Bisphenol A-glycidyl methacrylate (Bis-GMA) was
purchased from Sigma-Aldrich. Materials were all available commercially
and did not require further purification. The main materials used
in this work have been exhibited inFigure 2 b (Section 3.1 ).
4-bromoaniline,
2,3-butanedione, p-toluene sulfonic acid, and anhydrous
acetic acid were purchased from Energy Chemical. The used acrylate
resin includes trimethylolpropane triacrylate (TMPTA), triethylene
glycol dimethacrylate (TEGDMA), hexamethylene diacrylate (HDDA), dipropylene
glycol acrylate (DPGDA), tri(propylene glycol) diacrylate (TPGDA),
and polyethylene glycol acrylate (PEGDA), which were purchased from
Tokyo Chemical Industry. A polyester acrylate resin (PEO 2257) and
a polyurethane acrylate (PUA 5268) were obtained from Shanghai Baorun
Chemical Co. Ltd. Bisphenol A-glycidyl methacrylate (Bis-GMA) was
purchased from Sigma-Aldrich. Materials were all available commercially
and did not require further purification. The main materials used
in this work have been exhibited in
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