2012
DOI: 10.1016/j.porgcoat.2012.02.004
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Effect of isocyanate to hydroxyl index on the properties of clear polyurethane films

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Cited by 29 publications
(33 citation statements)
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“…In Figure the comparison of the tan δ of coatings R1702 and R1703 is shown. As expected, the increase of T g is correlated with the increase of isocyanate amount . This trend can be observed for both coating recipes R1702 and R1703.…”
Section: Resultssupporting
confidence: 80%
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“…In Figure the comparison of the tan δ of coatings R1702 and R1703 is shown. As expected, the increase of T g is correlated with the increase of isocyanate amount . This trend can be observed for both coating recipes R1702 and R1703.…”
Section: Resultssupporting
confidence: 80%
“…Felicia et al have been reported that the PUR coatings play mainly a barrier role and should have a low interaction potential with water and organic substances . It was also reported that the change in polyol‐to‐isocyanate ratio could influence the permeability of low‐molecular substances and improve the barrier effect of the coating by increasing its cross‐linking density . However, it was not proved that this effect improves barrier properties of PUR clear coats against water.…”
Section: Introductionmentioning
confidence: 99%
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“…Table 2 presents the physical properties of WPU films. It is well known that the physical properties of WPU films depend on the molecular structure of raw materials and the molar ratio of NCO/OH [29]. Since the molar ratio of NCO/OH is 1.4 in all samples in this study, the type and proportion of raw materials would be the main influencing factors.…”
Section: Thermal Properties Of the Wpumentioning
confidence: 88%