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International Journal of Polymer Science
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International Journal of Polymer Science
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2019
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Article
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Fig 4
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Research Article
Cure Kinetics of an Optical Polythiourethane with Amine Catalyst by IR Analysis
Figure 4
FTIR spectra of PSU with 150 ppm TEA at 105°C at different curing times. (curing time from bottom to top is 5, 7, 10, 15, 20, 30, and 40 min).