2012
DOI: 10.1016/j.porgcoat.2010.12.005
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Investigation of grafting sites of acrylic monomers onto alkyd resins via gHMQC two-dimensional NMR: Part 1

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Cited by 11 publications
(12 citation statements)
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“…The possibility of the occurrence of a chemical shift caused by the behavior of neighboring atoms has also been investigated by several researchers. 33,34 The deshielding shift of −NH protons occurs at 10.50 ppm (z peak), indicating the interaction of N−H•••OC, which gives rise to N−H bond that donates two protons. The strength of the hydrogen bonds formed between the same molecular bonds depends on the geometric parameters, comprising hydrogen bond distance H••• O, the distance between the donor (N) and acceptor atoms (O), and hydrogen bond angle.…”
Section: Resultsmentioning
confidence: 99%
“…The possibility of the occurrence of a chemical shift caused by the behavior of neighboring atoms has also been investigated by several researchers. 33,34 The deshielding shift of −NH protons occurs at 10.50 ppm (z peak), indicating the interaction of N−H•••OC, which gives rise to N−H bond that donates two protons. The strength of the hydrogen bonds formed between the same molecular bonds depends on the geometric parameters, comprising hydrogen bond distance H••• O, the distance between the donor (N) and acceptor atoms (O), and hydrogen bond angle.…”
Section: Resultsmentioning
confidence: 99%
“…To identify the specific graft locations, 1D and 2D NMR spectroscopy techniques were utilized (40,41). It was found that grafting between the acrylic and alkyd phases was achieved by hydrogen abstraction at methylene positions found on the fatty acid chains (Figure 7), along with side reactions by abstraction of hydrogens along the polyol segment of the polyester backbone.…”
Section: Acrylic-alkyd Hybridmentioning
confidence: 99%
“…Another option is direct addition to the double bond on the fatty acid. The fourth site is the glycerol on the polyester backbone which can graft via abstracting the hydrogen connected to the secondary carbon …”
Section: Introductionmentioning
confidence: 99%