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Report No.

Structure of water and ice in poly-N,N,-dimethylacrylamide hydrogels investigated by neutron diffraction

Sekine, Yurina  ; Tojima, Yu*; Fukazawa, Tomoko*; Fukazawa, Hiroshi

Neutron diffraction patterns of high and low D2O-content poly-N,N,-dimethylacrylamide (PDMAA) hydrogels were measured in temperature range from 10 to 300 K to investigate structure of water in hydrogels. The results show that amorphous, cubic, and hexagonal ices exist in the low D2O-content PDMAA hydrogel at low temperature, whereas only hexagonal ice exists in the high D2O content PDMAA hydrogel.



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