NMR study of adsorbed water on acrylic acid-grafted and methacrylic acid-grafted cellulose
β Scribed by Yoshitaka Ogiwara; Hitoshi Kubota; Shoichi Hayashi; Kiyoharu Sekine
- Publisher
- John Wiley and Sons
- Year
- 1972
- Tongue
- English
- Weight
- 376 KB
- Volume
- 16
- Category
- Article
- ISSN
- 0021-8995
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Graft copolymers of acrylonitrile and of acrylic acid monomers on cellulosic materials were obtained by use of ceric ion initiator in aqueous medium at a 50% (w/w) cellulose-monomer ratio. The variations of polfiacrylonitrile) grafts and of the efficiency of grafting with ceric ion concentration, an
Cellulosic absorbents for water were synthesized by photografting (A > 300 nm) acrylic acid (AA) onto fiberous carboxymethyl cellulose (CMC, degree of substitution [DS] = 0.1-0.4) at 30Β°C in the presence of N,N-methylenebisacrylamide as a crosslinker. The CMC sample was pretreated with hydrogen pero
Electrokinetic properties such as zeta potential (0, surface charge density (0) and surface conductivity (K,) of polypropylene fibers and those grafted with acrylic acid and methacrylic acid have been studied using the streaming potential method. At pH 7, the zeta potential of -58.5 mV for control f
Acrylic acid (AA) was grafted to cellulose by using ceric ammonium nitrate (CAN) initiator in aqueous nitric acid solution at 30, 50, 70, and 90ΠC during reaction periods of 30 to 180 minutes. About 45% of the AA was polymerized at 90ΠC after 180 minutes. The grafted polymer and homopolymer were iso