Syntheses of 6-O-ethyl/methyl-celluloses via ring-opening copolymerization of 3-O-benzyl-6-O-ethyl/methyl-α-d-glucopyranose 1,2,4-orthopivalates and their structure-property relationships

Cellulose

Volumn 16, Issue 6, 2009, Pages 1179-1185

  Kamitakahara, Hiroshi ^a   Funakoshi, Toshihiro ^a   Nakai, Shinji ^a   Takano, Toshiyuki ^a   Nakatsubo, Fumiaki ^a  

^a KYOTO UNIVERSITY   (Japan)

Author keywords

Cellulose; Copolymer; Ethylcellulose; LCST; Methylcellulose; Regioselective functionalization; Ring opening polymerization; Water solubility

Indexed keywords

AQUEOUS SOLUTIONS; COOLING CURVE; D-GLUCOPYRANOSE; DSC MEASUREMENTS; ETHYL GROUPS; ETHYLCELLULOSE; EXOTHERMIC PEAKS; METHYL GROUP; METHYLCELLULOSE; REGIO-SELECTIVE; REGIOSELECTIVE FUNCTIONALIZATION; RING OPENING COPOLYMERIZATION; STRUCTURE PROPERTY RELATIONSHIPS; THERMO-RESPONSIVE; WATER SOLUBILITIES;

ALKYLATION; AROMATIC HYDROCARBONS; COPOLYMERIZATION; FLUORINE CONTAINING POLYMERS; FUNCTIONAL POLYMERS; GLUCOSE; HYDROCARBONS; PHASE DIAGRAMS; RING OPENING POLYMERIZATION; SOLUBILITY; TERNARY SYSTEMS;

CELLULOSE;

ALKYLATION; CELLULOSE; COPOLYMERIZATION; COPOLYMERS; ETHYL CELLULOSE; GLUCOSE; HYDROCARBONS; METHYL CELLULOSE; POLYMERIZATION; SOLUBILITY; WATER;

CELLULOSE; COPOLYMER; COPOLYMERIZATION; MOLECULAR WEIGHT; PHYSICAL PROPERTY; SOLUBILITY; SYNTHESIS;

EID: 72849148036     PISSN: 09690239     EISSN: None     Source Type: Journal    
DOI: 10.1007/s10570-009-9339-4     Document Type: Article

References (8)

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2. H Kamitakahara M Hori F Nakatsubo 1996 Substituent effect on ring-opening polymerization of regioselectively acylated α-d-glucopyranose 1, 2, 4-orthopivalate derivatives Macromolecules 29 19 6126 6131 10.1021/ma960488h 1:CAS:528:DyaK28XltVWms7g%3D (Pubitemid 126544814)
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6. Kamitakahara H, Funakoshi T, Takano T, Nakatsubo F (2009) Syntheses of 2,6-O-alkyl celluloses: influence of methyl and ethyl groups regioselectively introduced at O-2 and O-6 positions on their solubility. Cellulose. doi: 10.1007/s10570-009-9332-y
7. Karakawa M (2003) Chemical synthesis of high-regioselectively methylated celluloses by a cationic ring-opening polymerization (Kyoto). Ph.D. Thesis, Kyoto University
8. F Nakatsubo H Kamitakahara M Hori 1996 Cationic ring-opening polymerization of 3, 6-di-O-benzyl-α-d-glucose 1, 2, 4-orthopivalate and the first chemical synthesis of cellulose J Am Chem Soc 118 7 1677 1681 10.1021/ja953286u 1:CAS:528:DyaK28XnvFCjug%3D%3D (Pubitemid 26092309)