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. Author manuscript; available in PMC: 2020 Nov 19.
Published in final edited form as: Chem Soc Rev. 2020 May 19;49(11):3315–3347. doi: 10.1039/c8cs00916c

Fig. 4.

Fig. 4

AFM-IR images of a three-component blend made by polyethylene (PE), polypropylene (PP) and deuterated polyethylene–propylene copolymer (d-PEP) obtained at (a) 1377 cm−1 (CH3 bending of PP), (b) 1473 cm−1 (CH2 bending of PE) and (c) 2192 cm−1 (CD2 stretching of d-PEP). (d) AFM-IR spectra obtained at the color-coded locations marked in panel-d. The data show that the d-PEP copolymer partitions in the PE phase but does not mix with the PP phase.58 These AFM-IR experiments were obtained in ringdown mode. This figure has bene adapted from M. A. Rickard (ref. 58) with permission from Elsevier, copyright 2020.58