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Journal of Nanomaterials
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Journal of Nanomaterials
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2013
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Article
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Fig 5
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Research Article
/UV Synergistic Aging of Polyester Polyurethane Film Modified by Composite UV Absorber
Figure 5
FT-IR spectra of TPU and M-TPU films as function of exposure time (a) TPU; (b) M-TPU.
(a)
(b)