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《Journal of Functional Polymers》 1989-01
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Studies on the Properties of N-acylchitosan Membranes

Chen Tian;Yan Jun;Xu Rongnan;Xia Yan Department of Chemistry, East China Normal University  
A series of mambranes was prepared by air-drying the thin layers of variousN-acylchirosan gels. The flow rates of water through these membranes, thepermeabilities of Vitamin B_(12) and dissolced oxygen, tensile stregth and blood compatibil-ity were examined. N-Hexanoylchitisan membrane has the best blood compatibility. Inorder to increase the permeabilyties og N-Hexanoylchitosan membrane, we tried to usedpolyethylene glycol as an additive. We found that the permebilities were increased in thelargest magnitude by adding 50 to 150 parts of PEG 1500 to 100 parts of chitosan, andthe tensile stregth was about 400 kg / cm~2, exhibiting better blood compatibiluty.
【Fund】: 国家自然科学基金
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