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Chitosan-poly blend

Poly-L-lysine-blended chitosan, collagen-blended chitosan and albumin-blended chitosan were also considered, with collagen control material. Culture of PC12 cells and fetal mouse cerebral cortex cells on these biomaterials was used to evaluate their nerve cell affinity. The composite materials, had significantly improved nerve cell affinity compared to chitosan. Poly-L-lysine-blended chitosan exhibited the best nerve cell affinity and was a better material in promoting neurite outgrowth than collagen [328]. [Pg.196]

Sakurai K, Maegawa T, Takahashi T. Glass transition temperature of chitosan and miscibility of chitosan/poly(N-vinyl pyrrolidone) blends. Polymer 2000 41 7051-7056. [Pg.161]

Dubey, V., Pandey, L. K., and Saxena, C. (2005). Pervaporative separation of ethanol/water azeotrope using a novel chitosan-impregnated bacterial cellulose membrane and chitosan-poly(vinyl alcohol) blends. I. Membr. ScL 251,131-136. [Pg.530]

Apart from these, CS membranes find applications in the field of hemodialysis. The excellent fitm-forming nature and high mechanical strength of CS membranes made it a suitable candidate for hemodialysis application. For example, chitosan-poly(ethylene oxide) blend membranes showed improved permeability and blood compatibility due to their hydrophilic and porous nature [28]. However, the cellulosic membranes and synthetic membranes (made up of polyaryle-thersulfone, polyamide, PVP, polycarbonate, and PAN) have a well-established hemodialysis field as compared to CS-based membranes. [Pg.476]

Smitha, B., Sridhar, S., and Khan, A. A. 2006. Chitosan-poly(vinyl pyrrolidone) blends as membranes for direct methanol fuel cell applications. J. Power Sources 159 846-854. [Pg.477]

Figure 6.2 displays the results of % versus the weight fraction of poly(vinyl alcohol) (PVA) in PVA/chitosan (CS) blends calculated from Equations (6.5) and (6.7) [25]. Xcruiaii exhibits a linearity (around 0.18) over their studied composition range of the blends. For the blends from 10% to 40% weight fraction... [Pg.182]

Blends or composites were also prepared especially by Hirano in the same way as mentioned previously for chitin [63], Other systems were proposed in the literature and listed previously [1, 2], Some of them are described in detail, for example, chitosan/ polyamide 6 and chitosan/polyamide 66 [119,120], chitosan/cellulose using a common solvent [121,122], chitosan/poly(oxyethylene) (POE) [123], chitosan/polyvinylpyrrolidone (PVP), chitosan/polyvinyl alcohol (PVA) [123,124], chitosan/polycaprolactone [124-126], chitosan/ collagen [127], chitosan/PHB [128], and chitosan/cellulose fibres [129]. In some case, the polymers are crosslinked in the blends [130]. Hydrogels or films have been prepared by mixing chitosan solution with monomers, initiator and cross-linker followed by copolymerization [131,132]. [Pg.72]

Chitosan membranes have been successfully used in pervaporation processs, e.g. chitosan/poly(vinyl alcohol) (75 25 wt. per cent) blends showed excellent performance with good mechanical strength during the pervaporation dehydration of isopropanol [207],... [Pg.534]

Kriegel, C., Kit, K.M., McClements, D.J., and Weiss, J. (2009) Electrospinning of chitosan-poly (ethylene oxide) blend nanofibers in the presence of micellar surfactant solutions. Polymer, 50, 189-200. [Pg.294]

Q Mechanical Properties of Chitosan and Chitosan-Poly(Vinyl Alcohol) Blend Films... [Pg.95]

Arvanitoyannis, I., Kolokuris, I., Nakayama, A., Yamamoto, N., and Aiba, S. 1997. Physico-chemical studies of chitosan-poly(vinyl alcohol) blends plasticized with sorbitol and sucrose. Carbohydr. Polym. 34 9-19. [Pg.114]

Miyashita, Y, Nishio, Y, Akamatsu, T., Kimura, N., and Suzuki, H. 1999. Thermal and mechanical properties of collagen/poly(vinyl alcohol) and chitosan/poly(vinyl alcohol) blends Effect of crosslinking with glu-taraldehyde. SENI-GAKKAISHI55 254-260. [Pg.115]

Zheng, H., Du, Y.,Yu, J., Huang, R., and Zhang, L. 2001. Preparation and characterization of chitosan/poly(vinyl alcohol) blend fibers. J. Appl. Polym. Sci. 80 2558-2565. [Pg.116]

The pervaporation behavior of aqueous ethanol mixtures through the poly(ethylene oxide) (PEG)/ chitosan (Chito) blend membrane was investigated. The results showed that both the Chito and the PEO/Chito membrane preferentially permeate ethanol at a lower alcohol concentration in feed, and the selectivity of the Chito manbrane toward alcohol can be greatly improved by introducing the hydrophilic polymer PEG into the Chito. The PEG/Chito blend membrane gave the separation factor, ttEioH/HjO was 4.4, and the permeation rate was 0.9kg/m h for 8 wt% of ethanol in the feed (Wang et al. 1999). [Pg.489]

Cao, S. G., Shi, Y. Q., and Chen, G. W. 1999. Properties and pervaporation characteristics of chitosan-poly(A-vinyl-2-pyrrolidone)blend membranes for MeOH-MTBE. J. Appl. Polym. Sci. 74 1452-1458. [Pg.504]

Tang YF, Du YM, Hu XW et al (2007) Rheological characterisation of a novel thermosensitive chitosan/poly(vinyl alcohol) blend hydrogel. Carbohydr Polym 67 491-499... [Pg.132]

Yang S-H, Lee Y-SJ, Lin F-H, Yang J-M, Chen K-S. Chitosan/poly(vinyl alcohol) blending hydrogel coating improves the surface characteristics of segmented polyurethane urethral catheters. J Biomed Mater Res B Appl Biomater 2007 83B 304-13. [Pg.69]

See other pages where Chitosan-poly blend is mentioned: [Pg.137]    [Pg.164]    [Pg.80]    [Pg.90]    [Pg.605]    [Pg.121]    [Pg.148]    [Pg.148]    [Pg.156]    [Pg.180]    [Pg.302]    [Pg.212]    [Pg.101]    [Pg.355]    [Pg.186]    [Pg.184]    [Pg.482]    [Pg.484]    [Pg.308]    [Pg.262]    [Pg.262]    [Pg.366]    [Pg.257]   
See also in sourсe #XX -- [ Pg.418 ]



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