## Abstract TiCl~2~[salphen(di‐__t__Bu)] was synthesized, characterized and employed as pre‐catalyst in ethylene homo‐ and copolymerization with propylene, 1‐octene and 10‐undecen‐1‐ol. X‐ray diffraction study on the titanium complex revealed a distorted octahedral coordination of the central metal
Synthesis of complex polymeric flocculant and its application in purifying water
✍ Scribed by Yinfeng Liu; Shuzhi Wang; Jiadong Hua
- Publisher
- John Wiley and Sons
- Year
- 2000
- Tongue
- English
- Weight
- 143 KB
- Volume
- 76
- Category
- Article
- ISSN
- 0021-8995
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✦ Synopsis
A novel flocculant was synthesized, a method consisting of a poly(acrylamide-co-acrylic acid) complexed with an inorganic coagulant through the chemical bond between metal ions and carboxyl acid groups or amide ligands within the polymer. This complex polymeric flocculant is more readily available for purifying water than any single or mechanical mixture. The mechanism of flocculating is discussed and a practical use performed for wastewater from paper mill.
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## Abstract New water‐soluble metal–polymers of poly(acrylic acid)s (AA) with different amounts of tin (3, 5, 10, and 20 wt %) were synthesized and characterized. The materials were characterized by ^1^H NMR and FTIR spectroscopy, X‐ray diffraction (XRD), specific area by isotherm of CO~2~, and the
## Abstract The reduction of carbonyl compounds by borohydride supported on a cellulose–anion exchange resin is known. The synthesis of a graft copolymer of cellulose and poly(4‐vinyl pyridine) [CellO‐__g__‐poly(4‐VP)] has been carried out with ceric ions as a redox initiator. A postgrafting treatm