Microwave-induced rapid one-pot synthesis of κ-carrageenan-g-PMMA copolymer by potassium persulphate initiating system

被引：27

作者：

Prasad, Kamalesh ^{[1
]}

Meena, Ramavatar ^{[1
]}

Siddhanta, A. K. ^{[1
]}

机构：

[1] Cent Salt & Marine Chem Res Inst, Bhavnagar 364002, Gujarat, India

来源：

JOURNAL OF APPLIED POLYMER SCIENCE | 2006年 / 101卷 / 01期

关键词：

microwave irradiation; graft copolymer; kappa-carrageenan; X-ray; modification;

D O I：

10.1002/app.23157

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

kappa-Carrageenan-g-PMMA copolymer has been synthesized by copolymerizing kappa-carrageenan with methyl methacrylate (MMA) in aqueous medium at about PH 7. The copolymerization was carried out under microwave irradiation in the presence of a water-soluble initiator potassium persulphate. Optimum microwave irradiation conditions for obtaining maximum yields are described. The structural characteristics and thermal stability of kappa-carrageenan-g-PMMA was studied by FTIR, NMR, and thermo gravimetric (TGA) measurements. Crystallinity of the copolymer was studied by powder X-ray diffraction. TGA, IR, and XRD data indicated that the K-carrageenan was considerably modified. Optical micrograph of the copolymer was also studied. A probable mechanism of formation of the copolymer is proposed. (c) 2006 Wiley Periodicals, Inc.

引用

页码：161 / 166

页数：6

共 13 条

[1] GRAFTING OF ACRYLAMIDE ONTO GUAR GUM USING KMNO4 OXALIC-ACID REDOX SYSTEM [J].

BAJPAI, UDN ;

RAI, S .

JOURNAL OF APPLIED POLYMER SCIENCE, 1988, 35 (05) :1169-1182

[2] INFRARED-SPECTROSCOPY OF AGAR FILMS FROM GRACILARIA-VERRUCOSA (HUDS) PAPENFUSS [J].

CHRISTIAEN, D ;

BODARD, M .

BOTANICA MARINA, 1983, 26 (09) :425-427

[3]

CRAIGIE JS, 1978, HDB PHYCOLOGICAL MET, P112

[4] Recent developments in polysaccharide-based materials used as adsorbents in wastewater treatment [J].

Crini, G .

PROGRESS IN POLYMER SCIENCE, 2005, 30 (01) :38-70

[5] QUANTITATIVE X-RAY INVESTIGATIONS ON THE CRYSTALLINITY OF CELLULOSE FIBERS - A BACKGROUND ANALYSIS [J].

HERMANS, PH ;

WEIDINGER, A .

JOURNAL OF APPLIED PHYSICS, 1948, 19 (05) :491-506

[6]

Matsuhiro Betty, 1996, Hydrobiologia, V326-327, P481, DOI 10.1007/BF00047849

[7] Microwave-assisted synthesis of alkyl glycosides [J].

Nüchter, M ;

Ondruschka, B ;

Lautenschläger, W .

SYNTHETIC COMMUNICATIONS, 2001, 31 (09) :1277-1283

[8] Modified carrageenan 3. Synthesis of a novel polysaccharide-based superabsorbent hydrogel via graft copolymerization of acrylic acid onto kappa-carrageenan in air [J].

Pourjavadi, A ;

Harzandi, AM ;

Hosseinzadeh, H .

EUROPEAN POLYMER JOURNAL, 2004, 40 (07) :1363-1370

[9] Sol-gel-derived biomaterials of silica and carrageenans [J].

Shchipunov, YA .

JOURNAL OF COLLOID AND INTERFACE SCIENCE, 2003, 268 (01) :68-76

[10] Cross-linking of starch with 1, 2, 3, 4-diepoxybutane or 1, 2, 7, 8-diepoxyoctane [J].

Simkovic, I ;

Hricovíni, M ;

Mendichi, R ;

van Soest, JJG .

CARBOHYDRATE POLYMERS, 2004, 55 (03) :299-305

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