Tunable poly(2-acrylamido-2-methyl-1-propan sulfonic acid) based microgels with better catalytic performances for Co and Ni nanoparticle preparation and their use in hydrogen generation from NaBH4

Metal‐ion‐containing ionic liquid hydrogels and their application to hydrogen production

“…In hydrogen‐production reactions from the hydrolysis of NaBH 4 , the reactions are generally performed in basic media in the presence of various catalysts . Therefore, p(APTMACl)–[CoCl 4 ] 2− ‐catalyzed NaBH 4 (50 m M at 30°C and with a 1000‐rpm mixing rate) hydrolysis reactions containing different amounts of NaOH, namely, 1, 5, and 10 wt %, were performed with 0.1 g of p(APTMACl)–[CoCl 4 ] 2− (65 mg of Co/g of hydrogel).…”

“…Hydrogen is assumed to be an environmentally friendly, renewable, and clean energy carrier . Because of the main obstacles of the storage and transport of hydrogen, chemical hydrides, such as CaH 2 , LiH, MgH 2 , KBH 4 , LiAlH 4 , sodium borohydride (NaBH 4 ), NH 3 BH 4 , and ammonia borane (AB), are generally used as hydrogen carriers and storage materials to safely obtain hydrogen on demand from their hydrolysis by aid of metal catalysts . NaBH 4 and AB are among the favorites and are most widely used as they are environmentally benign, nontoxic, readily obtainable, and economically feasible.…”

Very fast catalytic reduction of 4-nitrophenol, methylene blue and eosin Y in natural waters using green chemistry: p(tannic acid)–Cu ionic liquid composites

“…The hydrogels with various functional groups offer unique properties, widely used for various applications such as biomedical, pharmaceutical, tissue engineering, drug delivery, 19 purication and separation, 20 biosensor, 21 and catalysis. 22,23 Biopolymers are generally derived from renewable, non-toxic, and inexhaustible natural biological resources. 24,25 Tannic acid (TA) is a common polyphenolic compound and is a natural biopolymer with strong affinity for enzymes, 26 proteins, 27,28 carbohydrates, lipids, 29 metal ions, 30 and toxic molecules 31 due to the abundant number of -OH on their phenolic structure.…”

The use of titanium dioxide particles embedded in anionic hydrogel composite for photocatalytic degradation of methylene blue

“…The peaks for the carbonyl group for example, CO stretching at 1719 cm −1 , and the peaks for SO at 1200 cm −1 for sulfone groups are characteristic of p(AMPS) hydrogels. [ 27 ] These peaks became intensified and wider in the composite hydrogel due to the interaction of TiO 2 particles with the functional groups on p(AMPS) hydrogels. Additionally, there is a peak belonging to TiO 2 at about 1300 and about 502 cm −1 which increases in the intensities TiO 2 in p(AMPS)‐TiO 2 composite hydrogels.…”