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Synthesis of a cationic polyacrylamide by a photocatalytic surface-initiated method and evaluation of its flocculation and dewatering performance: nano-TiO2 as a photo initiator† Yongzhi Liu,ab Huaili Zheng, *ab Yili Wang,c Xinyu Zheng,ab Moxi
Synthesis of a cationic polyacrylamide by a photocatalytic surface-initiated method and evaluation of its flocculation and dewatering performance
Synthesis of a cationic polyacrylamide by a photocatalytic surface-initiated method and evaluation of its flocculation and dewatering performance: nano-TiO 2 as a photo initiator† Yongzhi Liu ab, Huaili Zheng * ab, Yili Wang c, Xinyu Zheng ab,
The FTIR spectra of PAMC1, PAMC2, PAMC3, PAMC4, and PAM are illustrated in Fig. 1(a)–(e), respectively.As shown in Fig. 1, the bending vibration absorption band of 2927 cm −1 is derived from methyl -CH 3 and methylene -CH 2 - in various
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Flocculants characterization Analysis of FTIR spectra The synthesis of PADD and PAM is shown in Fig. 2.Therefore absorption peaks at 3445 cm −1, 3332 cm −1, 1647 cm −1 and 1659 cm −1 are attributed to the stretching vibration of amino (–NH 2)
Preparation of octopus-like lignin-grafted cationic polyacrylamide flocculant and its application for water flocculation - ScienceDirect
The prepolymer of linear cationic polyacrylamide was synthesized via normal free radical polymerization using AM and DMC monomers. 4-Chloromethyl styrene was introduced as the chain transfer agent to give the chlorinated chain end, as shown in
Cationic WSR promoters. Cationic wet strength resins are glyoxalated polyacrylamide (GPAM) derivatives indicated for the manufacturing of toilet paper, hankies and away-from-home towel grades, as they improve dispersibility of the sheet in
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Synthesis and Characterization of Polymeric Material Consisting on Acrylamide Catalyzed by Maghnite (Algerian MMT) under Microwave - IntechOpen
Intercalation of acrylamide into interlayer spaces of natural montmorillonite called maghnite (Algerian MMT) by the free solvent polymerization technique under microwave irradiation was studied. The transformation was carried out with using both
Commercial cationic polyacrylamide (CPAM) was provided by Tianjin Damao Chemical Reagent Factory, P. R. Cooking. The molecular weight, limit viscosity, dissolution time, conductivity and degree of hydrolysis of CPAM were 5.43 × 10 6, 11.99 dL/g,
- Are cationic surfactants soluble in polyaromatic hydrocarbons?
- Among ionic surfactants, the cationic surfactants show superior solubilization capacity toward polyaromatic hydrocarbons, such as anthracene and pyrene, which is due to the favorable electrostatic interactions between the positively charged head groups of amphiphiles and electron donating aromatic rings [ 113 ].
- Does cationic surfactant mixing affect adsorption?
- The effects of cationic surfactant mixing with other surfactants, polymers, proteins, and DNA are examined. The distinct adsorption of cationic surfactants for nonpolar and polar surfaces is summarized. Established and emerging applications of cationic surfactants are outlined and discussed.
- How do cationic surfactants interact with polar polyelectrolyte?
- A typical example of association of a cationic surfactant to a highly polar polyelectrolyte is given in Fig. 18. There is a weak association at low surfactant concentrations, but then a cooperative binding starts at a concentration termed CAC, critical association concentration.
- Which surfactant interacts more strongly with cationic and nonionic surfactants?
- In a systematic study of interactions of lipases with different types of surfactants, one anionic, one cationic and one nonionic, at the air–water, the solid-water, and the oil–water interfaces, it was found that the cationic surfactant interacted more strongly than the anionic and the nonionic surfactant at all three interfaces , .
