2015
DOI: 10.1021/ie502953u
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Influence of the Nature of Acrylates on the Reactivity, Structure, and Properties of Polyurethane Acrylates

Abstract: Polyurethanes (PUs) are one of the most versatile classes of polymers, and their demand as high-performance industrial materials continues to grow. In this work, new polyurethane acrylates were prepared from diglycidyl ether bisphenol A (DGEBA), substituted acrylic acids, and 4,4′-diphenylmethane diisocyanate using a two-step polymerization methodology. The polymers were characterized by infrared spectroscopy, 1 H NMR spectroscopy, gel permeation chromatography, thermogravimetry, and X-ray diffraction. The inf… Show more

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Cited by 15 publications
(12 citation statements)
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“…Then, most of the hard and soft segments of PU were decomposed, and the weight loss reached a maximum that approached to 77-85% in the range 300-411 8C. 34 Finally, a small numbers of carbon chains and residual impurities were decomposed to a minimum when the temperature was 600 8C. As shown in Figure 9, all samples had great thermal stability in the first stage, but PUA-3 exhibited better thermal stability than PUA-1 and PUA-2 when the temperature was over 273 8C because PUA-3 with large-molecular-weight PPG enhanced the chemical bond and entanglement among the molecular chains.…”
Section: Bmentioning
confidence: 99%
“…Then, most of the hard and soft segments of PU were decomposed, and the weight loss reached a maximum that approached to 77-85% in the range 300-411 8C. 34 Finally, a small numbers of carbon chains and residual impurities were decomposed to a minimum when the temperature was 600 8C. As shown in Figure 9, all samples had great thermal stability in the first stage, but PUA-3 exhibited better thermal stability than PUA-1 and PUA-2 when the temperature was over 273 8C because PUA-3 with large-molecular-weight PPG enhanced the chemical bond and entanglement among the molecular chains.…”
Section: Bmentioning
confidence: 99%
“…Owing to their excellent physical properties and biocompatibility, polyurethanes are widely used as a biomaterial for blood vessel, cathetars, and cartilage . Other applications of PU include their use as adhesives, coatings, toughners and sealants, and shape memory polymers . Isocyanate‐terminated PU can be chemically connected with the hydroxyl groups on CD leading to formation of CD‐based polyurethane.…”
Section: Introductionmentioning
confidence: 99%
“…21 Other applications of PU include their use as adhesives, coatings, toughners and sealants, and shape memory polymers. [22][23][24] Isocyanateterminated PU can be chemically connected with the hydroxyl groups on CD leading to formation of CD-based polyurethane.…”
Section: Introductionmentioning
confidence: 99%
“…Polyurethane (PU) is an important class of polymers with a versatile range of properties and applications that can be easily synthesized via step‐growth polymerization of polyol with isocyanate . The desired characteristic properties of PU can be achieved by tuning their structure by the appropriate selection of polyol and isocyanate .…”
Section: Introductionmentioning
confidence: 99%