Open Access

Table 1

Summary of activities performed with acrylamide-based polymers and inorganic crosslinkers.

Year Activity Authors
1972 Developed the first gel system – PHPA with a diluted Cr(III) hydroxide solution Routson and Caldwell
1982 Studied gel system of PHPA crosslinked with aluminum sulfate and evaluated pH influence American Petroleum Institute
1974, Prepared gel systems with PHPA/Al(III) citrate and evaluated the effect of citrate ions Needham et al.
1985, Ghazalli and Willhite
and 1988 Moradi-Araghi et al.
1987 Analyzed systems based on PHPA/Cr(III) propionate Mumallah and Shioyama
1988 Patented a new polymer gel system based on PHPA/Cr(III) acetate Sydansk
1992 Evaluated the resistance of systems formed by PHPA/Al(III) citrate Fletcher et al.
1993 Evaluated the delaying effect of Cr(III) complexes with glycolate, malonate and salicylate on PAM–AMPS Albonico et al.
1994 Applied Cr(III) systems in the Big Horn Basin in Wyoming Southwell and Posey
1996 Studied the effects of Al(III) citrate on the gelation time Stavland and Jonsbraten
2001 Developed gel systems with PHPA and Ti(IV) tartrate Cai and Huang
2001, Conducted studies with gel systems of PHPA/Cr(III) acetate Grattoni et al.
2003, Seright et al.
2005, Cheng et al.
2008, Vargas-Vasquez and Romero-Zerón
and 2008 Romero-Zerón et al.
2010 Prepared hydrogels with Cr(III) acetate and PAM–AMPS Koohi et al.
2014 Evaluated the influence of molecular weight and temperature on PHPA/Cr(III) acetate systems Dang et al.
2014 Developed hydrogels formed of PHPA and Al(III) citrate and evaluated the influence of pH Kedir et al.
2014 Formed systems with PAM–AMPS, chromium triacetate and added sodium lactate as a retardant (to increase gelation time) Moghagam et al.
2015a Studied the influence crosslinking mechanism between PHPA and Cr(III) acetate Zhang et al.
2015b Studied the influence of the hydrolysis degree of PHPA on the syneresis in PHPA/Cr(III) hydrogels Zhang et al.
2016 Developed a system with delayed crosslinking formed by PAM, thiourea, sodium carbonate and Cr(III) acetate Sun et al.
2019 Evaluated the efficiency of sulfonated polyacrylamide and Cr(III) acetate systems Alsheri et al.

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