THERMAL BEHAVIOR OF INORGANIC HYDROGEL COMPOSITES | Zendy

Sinan Temel | Zendy; Fatma Özge Gökmen | Zendy; Elif Yaman | Zendy

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THERMAL BEHAVIOR OF INORGANIC HYDROGEL COMPOSITES

Author(s) -

Sinan Temel,

Fatma Özge Gökmen,

Elif Yaman

Publication year - 2019

Publication title -

european chemical bulletin

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.131

H-Index - 5

ISSN - 2063-5346

DOI - 10.17628/ecb.2019.8.399-404

Subject(s) - composite material , materials science , thermal , self healing hydrogels , polymer chemistry , physics , meteorology

The objective of this work was to examine the effect of inorganic additives on thermal behavior of homo- and hetero-polymeric hydrogel. Nano SiO 2 and TiO 2 doped acrylic acid (AA) based homo-polymeric and acrylic acid/vinyl pyrrolidone (AA/VP) based hetero-polymeric hydrogels were synthesized by using in-situ free radical polymerization technique. Additives were used in the ratio of 0.005, 0.5 and 1 (wt %) on AA based homo-polymeric hydrogels. Hetero-polymeric hydrogels were prepared in ratios of 1:3, 2:2 and 3:1 (AA/VP). Additives were used in only AA/VP (3:1) and they were added 0.5 and 1 (wt %). Thermal behaviour of hydrogels, were investigated by TGA-DTA analysis. The effect of doping on pore structure of hydrogels was demonstrated by SEM analysis. SEM/EDX measurements confirmed the presence of additives in the hydrogels. The dispersions of SiO 2 and TiO 2 on hydrogel were indicated by elemental mapping and their amounts were compared with EDX analysis.

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