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Crosslinking density
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A simple relation between pendant groups of polymers in hydrogels is introduced to determine the crosslink density of (complex) hydrogel systems (mixtures of 2,2,6,6-tetramethylpiperidine-1-oxyl (TEMPO) modified nanocellulose, alginate, scleroglucan and Laponite in addition of crosslinking agents).
15p
viginny
30-12-2022
6
2
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This study is the continuation of our previous work (Kopaˇc, Abrami, et al., 2021) where the theoretical approach of polymer-polymer interaction to predict the crosslink density of hydrogels was introduced. This theory is further extended to the flow properties of hydrogels that allow the analysis of synergistic effect in hydrogel systems and the understanding of possible anomalous behavior of certain mixtures.
12p
viginny
30-12-2022
10
3
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The fiber/matrix interphase was identified by comparing the tan delta spectra of resin and that of the composite with the Origin software. The results show that the interphase is hydrophilic and has an incomplete crosslinked network.
5p
vilexus
30-09-2022
11
2
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"The journal of Nuclear science and technology - Volume 10/Number 3, 2020" presentExperimental investigation of hydrodynamic phenomena in vertical-upward adiabatic two-phase flow conditions; comparison and evaluation for the dose distribution and physical characteristics between two AAA and AXB algorithms in Eclipse v13.6 software on treatment plans in regions heterogenous densities at 108 Military Central Hospital; radiation-crosslinked scaffolds from gelatin/CM-chitin and gelatin/CM-chitosan hydrogels for adipose-derived stem cell culture…
64p
trinhthamhodang1218
14-03-2021
24
2
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The incorporation of two different monomers, having different properties, in the same polymer molecule leads to the formation of new materials with great scientific and commercial importance.
9p
vijiraiya2711
27-05-2020
9
1
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Grafting acrylic acid (AA) onto linear, low density polyethylene (LLDPE) is carried out in melt state in the presence of styren (St). The effects of reaction time and temperature; concentrations of initiator and St; mixing speed of LLDPE and chemicals on the grafting degree of AA onto LLDPE is estimated. St is added to try to decrease the extent of crosslinking reaction and to increase the grafting degree of AA on to LLDPE. The obtained results show that the suitable conditions for the mentioned process above are 2 wt% of AA; 0.3 wt% of DCP; molar ratio of St/AA of 2.
5p
uocvong03
24-09-2015
57
3
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This book is dedicated to thermoset resins, an important class of polymer materials. Unlike thermoplastics, thermoset resins are characterised by a curing reaction, which converts the low molecular weight liquid resins (easy to process) into solid three- dimensional network structures. The main advantage of a thermoset over a thermoplastic is that a wide range of properties can be achieved by simply adjusting the crosslink density of the thermoset network...
424p
minhtu837
11-09-2011
189
95
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