New chitin-based polymer hybrids.: 3 -: Miscibility of chitin-graft-poly(2-ethyl-2-oxazoline) with poly(vinylalcohol)

被引:58
作者
Aoi, K [1 ]
Takasu, A [1 ]
Tsuchiya, M [1 ]
Okada, M [1 ]
机构
[1] Nagoya Univ, Fac Agr Sci, Dept Appl Biol Sci, Chikusa Ku, Nagoya, Aichi 4648601, Japan
关键词
D O I
10.1002/macp.1998.021991224
中图分类号
O63 [高分子化学(高聚物)];
学科分类号
070305 ; 080501 ; 081704 ;
摘要
The miscibility of blends of poly(vinyl alcohol) (PVA) with chitin-graft-poly(2-ethyl-2-oxazoline) (1) and poly(2-ethyl-2-oxazoline) homopolymer (PEtOZO) was investigated. Calorimetric results showed a single glass transition temperature (T-g) in the entire range of compositions for both blend systems, which indicated that PVA is miscible with both the graft copolymer 1 and PEtOZO. The T-g of PVA is also shifted to lower temperature upon blending with the graft copolymer 1. IR analysis revealed the existence of specific interactions via hydrogen bonding between the hydroxyl groups in PVA and the carbonyl groups in the poly(2-ethyl-2-oxazoline) side chain of graft copolymer 1. The results show that the interaction of graft copolymer 1 with PVA is increased by introduction of longer poly(2-ethyl-2-oxazoline) side chains. Thermal decomposition (TG) measurements supported the compatibility of PVA with graft copolymer 1 and with PEtOZO, and showed that the thermal stability of PVA is improved upon blending with 1 or PEtOZO.
引用
收藏
页码:2805 / 2811
页数:7
相关论文
共 27 条
[1]  
AKIYAMA S, 1980, KOBUNSHI, V29, P819
[2]   MISCIBILITY OF POLY(VINYL CHLORIDE) WITH CHITIN DERIVATIVES HAVING POLY(2-METHYL-2-OXAZOLINE) SIDE-CHAINS [J].
AOI, K ;
TAKASU, A ;
OKADA, M .
MACROMOLECULAR RAPID COMMUNICATIONS, 1995, 16 (01) :53-58
[3]  
Aoi K, 1997, MACROMOLECULES, V30, P6134, DOI 10.1021/ma970569t
[4]   SYNTHESIS OF NOVEL CHITIN DERIVATIVES HAVING POLY(2-ALKYL-2-OXAZOLINE) SIDE-CHAINS [J].
AOI, K ;
TAKASU, A ;
OKADA, M .
MACROMOLECULAR CHEMISTRY AND PHYSICS, 1994, 195 (12) :3835-3844
[5]   NEW CHITIN-BASED POLYMER HYBRIDS .1. MISCIBILITY OF POLY(VINYL ALCOHOL) WITH CHITIN DERIVATIVES [J].
AOI, K ;
TAKASU, A ;
OKADA, M .
MACROMOLECULAR RAPID COMMUNICATIONS, 1995, 16 (10) :757-761
[6]   Polymerization of oxazolines [J].
Aoi, K ;
Okada, M .
PROGRESS IN POLYMER SCIENCE, 1996, 21 (01) :151-208
[7]  
GORDON M, 1952, J APPL CHEM-USSR, V2, P495
[8]   Infrared analysis on blends of poly(3-hydroxybutyric acid) and stereoregular poly(vinyl alcohol): Influence of tacticity of poly(vinyl alcohol) on crystallization of poly(3-hydroxybutyric acid) [J].
Ikejima, T ;
Yoshie, N ;
Inoue, Y .
MACROMOLECULAR CHEMISTRY AND PHYSICS, 1996, 197 (03) :869-880
[9]   Miscibility and specific interactions in blends of poly(2-ethyl-2-oxazoline) with hydroxylated polymethacrylates [J].
Isasi, JR ;
Meaurio, E ;
Cesteros, C ;
Katime, I .
MACROMOLECULAR CHEMISTRY AND PHYSICS, 1996, 197 (02) :641-649
[10]   THERMAL-BEHAVIOR OF POLYETHYLOXAZOLINE [J].
KESKKULA, H ;
PAUL, DR .
JOURNAL OF APPLIED POLYMER SCIENCE, 1986, 31 (03) :941-950