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Boletín de la Sociedad Chilena de Química

versão impressa ISSN 0366-1644

Resumo

RIVAS, Bernabé L.; CANESSA, Guido S.  e  MARTINEZ, Esteban. POLY[3-(METHACRYLOYLAMINO)PROPYL]TRIMETHYLAMMONIUM CHLORIDE HYDROGEL. SYNTHESIS AND WATER-ABSORPTION CAPACITY. Bol. Soc. Chil. Quím. [online]. 2000, vol.45, n.2, pp.283-288. ISSN 0366-1644.  http://dx.doi.org/10.4067/S0366-16442000000200015.

The radical polymerization of [3-(methacryloylamino)propyl]trimethylammonium chloride by using ammonium persulfate as initiator and N,N-methylene-bis-acrylamide as crosslinker reagent was carried out. The polymers were completely insoluble in water and characterized by FT IR spectroscopy and thermal analysis. The effect of the crosslinker reagent on the water sorption capacity was investigated. The highest water-absorption (46.6 g of water/ g of xerogel) was observed with the lowest mol% of crosslinker reagent (2 mol%).

Palavras-chave : Hydrogel; crosslinking effect; water-absorption capacity.

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