Hermida-Merino, Daniel published the artcileEnhancement of microphase ordering and mechanical properties of supramolecular hydrogen-bonded polyurethane networks, Quality Control of 622-40-2, the publication is Polymer Chemistry (2018), 9(24), 3406-3414, database is CAplus.
The improvement of the mech. properties of supramol. polymer networks is currently receiving significant interest both within academic and industrial circles in order to enable the application of these desirable stimuli-responsive materials in real world situations. In this study, structural units within phase separated supramol. polyurethane (SPU) networks have been changed to assess the role of the hard segment composition on the mech. characteristics of the resultant materials. Notably, increasing the degrees of conformational freedom within the hard segment component of a SPU was found to improve the phase separation and as a consequence also increase the storage modulus of the polymer network. Specifically, replacing 4,4′-methylene di-Ph diisocyanate with 4,4′-dibenzyl diisocyanate within a SPU improved the packing efficiency of the isocyanate derived hard segments and improved the phys. properties of the supramol. polymer network. This study utilized a combination of SAXS, WAXS and AFM anal. to assess the degree of crystallinity within the hard segment component of the polymer network while rheol. anal. was used to establish the mech. characteristics of the polymers.
Polymer Chemistry published new progress about 622-40-2. 622-40-2 belongs to alcohols-buliding-blocks, auxiliary class Morpholine,Alcohol, name is 2-Morpholinoethanol, and the molecular formula is C6H13NO2, Quality Control of 622-40-2.
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