Structural Characterization of Inhomogeneous Poly(methyl methacrylate) Gels by Time-Dependent Diffusion NMR Spectroscopy

2009 ◽  
Vol 42 (1) ◽  
pp. 231-235 ◽  
Author(s):  
Kazuhiro Kamiguchi ◽  
Shigeki Kuroki ◽  
Mitsuru Satoh ◽  
Isao Ando
Keyword(s):  
Nmr Spectroscopy ◽  
Methyl Methacrylate ◽  
Structural Characterization ◽  
Time Dependent ◽  
Poly Methyl Methacrylate ◽  
Diffusion Nmr

scholarly journals Introduction of Stilbene Derivatives and Cinnamate Ester Derivatives at the ω-End Groups of Poly(Methyl Methacrylate) Prepared via RAFT Polymerization

Polymers ◽  
2020 ◽  
Vol 12 (11) ◽  
pp. 2449
Author(s):  
Martyn Dobinson ◽  
Philip Hodge ◽  
Trevor Wear
Keyword(s):  
Nmr Spectroscopy ◽  
Methyl Methacrylate ◽  
Raft Polymerization ◽  
19F Nmr ◽  
19F Nmr Spectroscopy ◽  
Poly Methyl Methacrylate ◽  
End Groups ◽  
Stilbene Derivatives

The capping of “living” poly(methyl methacrylate) (PMMA) and “living” polystyrene (PS), both prepared by the RAFT technique, with various olefins was screened using 19F-NMR spectroscopy. The capping of “living” PMMA with a labeled stilbene was as high as 63% and with certain cinnamate esters was essentially quantitative, but the capping of “living” polystyrene with all the olefins investigated was generally poor.

Detailed study on the characterization of silver nanocluster in poly(methyl methacrylate)

1997 ◽  
Vol 501 ◽  
Author(s):  
Naohisa Yanagihara ◽  
Kazutaka Uchida ◽  
Muyuki Wakabayashi ◽  
Toru Hara
Keyword(s):  
Heat Treatment ◽  
Methyl Methacrylate ◽  
Treatment Duration ◽  
Bulk Polymerization ◽  
Visible Spectroscopy ◽  
Poly Methyl Methacrylate ◽  
Silver Nanocluster ◽  
Ag Cluster ◽  
Heat Treatment Duration

ABSTRACTSolid sol of silver in poly(methyl methacrylate), Ag/PMMA, was prepared by bulk polymerization of methyl methacrylate solution of silver (I) triflluoroacetate (AgTfa) and followed by postheating. The formation of the metallic Ag nanocluster was characterized by visible spectroscopy, and effects of the concentrations of AIBN and AgTfa and the heat-treatment duration on the formation of Ag cluster were investigated. Furthermore, based on the kinetic study of MMA in the presence of AgTfa, possible mechanism for the reduction and agglomeration of silver is proposed.

Thermal and mechanical characterization of poly(methyl methacrylate) nanocomposites filled with TiO2 nanorods

2012 ◽  
Vol 43 (8) ◽  
pp. 3114-3119 ◽  
Author(s):  
Niranjan Patra ◽  
Marco Salerno ◽  
P. Davide Cozzoli ◽  
Alberto C. Barone ◽  
Luca Ceseracciu ◽  
...  
Keyword(s):  
Methyl Methacrylate ◽  
Mechanical Characterization ◽  
Tio2 Nanorods ◽  
Poly Methyl Methacrylate
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