Preparation and properties of 2-(2-aminoethoxy) ethyl chitosan/cellulose fiber using N-methylmorpholine-N-oxide process
N-methylmorpholine-N-oxide (NMMO) is used widely in the manufacturing of man-made cellulose fibers and functional lyocell fibers due to its environment-friendly advantage. Although chitosan is known as a natural antibacterial polymer it has poor solubility in neutral to basic medium and the antibact...
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| Veröffentlicht in: | Fibers and polymers 2008-08, Vol.9 (4), p.400-404 |
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| creator | Zhuang, Xu-Pin Liu, Xiao-Fei Li, Song-Ye Cheng, Bo-Wen Kang, Wei-Min |
| description | N-methylmorpholine-N-oxide (NMMO) is used widely in the manufacturing of man-made cellulose fibers and functional lyocell fibers due to its environment-friendly advantage. Although chitosan is known as a natural antibacterial polymer it has poor solubility in neutral to basic medium and the antibacterial activity is shown only in acidic medium. Chitosan’s poor solubility in NMMO is the disadvantage for the production of antibacterial lyocell fibers. This paper investigates a more “NMMO soluble” derivative of chitosan, 2-(2-aminoethoxy) ethyl chitosan (AECS). AECS has greatly improved solubility in NMMO hydrate, and stronger antibacterial activity than chitosan. AECS was introduced to modify the lyocell fiber spun in a co-solution of cellulose and AECS in NMMO hydrate. The physical properties and antibacterial activity of the fibers were examined and the results indicated that the modified lyocell fiber, containing more than 2 wt% of AECS, exhibits good antibacterial activity against
E. coli
and slightly decreased tensile strength compared with unmodified fibers. |
| doi_str_mv | 10.1007/s12221-008-0064-7 |
| format | Article |
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E. coli
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E. coli
and slightly decreased tensile strength compared with unmodified fibers.</description><subject>Antibacterial properties</subject><subject>Antiinfectives and antibacterials</subject><subject>Bacteria</subject><subject>Cellulose fibers</subject><subject>Chemistry</subject><subject>Chemistry and Materials Science</subject><subject>Chitosan</subject><subject>Fibers</subject><subject>Hydrates</subject><subject>Polymer Sciences</subject><subject>Polymers</subject><subject>Solubility</subject><issn>1229-9197</issn><issn>1875-0052</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2008</creationdate><recordtype>article</recordtype><sourceid>AFKRA</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><recordid>eNp1kUFP3DAQhSPUSlDKD-BmcYKDwTNOYudYIWiREHBoz5aTTFijxE7tRGX_fb1spUpIHEYzI33vzUivKE5BXIIQ6ioBIgIXQueqS64OiiPQqspbhZ_yjNjwBhp1WHxJ6SUzgEoeFX-eIs022sUFz6zv2RzDTHFxlFgYGPJz5HZyPtCyCa_bC5b7dmTdxi0hWX_V0TiuY0jEBtdSZGty_pk98OmNm0KcN2F0nvgDD6-up51_Ryl9LT4Pdkx08q8fF79ub35e_-D3j9_vrr_d806WeuEKhWwFAAGWQlhoqBU1aRS2L9VgZd3IkjqsBfU4VFhasF0ndKtb2de6r-Vxcb73zXd_r5QWM7m0e9p6CmsyUCsoK6lQZ_TsHfoS1ujzd0ZrEDXKSmYI9lAXQ0qRBjNHN9m4NSDMLgmzT8LkJMwuCaOyBvealFn_TPG_8ceiv7TwjCA</recordid><startdate>20080801</startdate><enddate>20080801</enddate><creator>Zhuang, Xu-Pin</creator><creator>Liu, Xiao-Fei</creator><creator>Li, Song-Ye</creator><creator>Cheng, Bo-Wen</creator><creator>Kang, Wei-Min</creator><general>The Korean Fiber Society</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8FD</scope><scope>8FE</scope><scope>8FG</scope><scope>ABJCF</scope><scope>AFKRA</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>CCPQU</scope><scope>D1I</scope><scope>DWQXO</scope><scope>HCIFZ</scope><scope>JG9</scope><scope>KB.</scope><scope>PDBOC</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope></search><sort><creationdate>20080801</creationdate><title>Preparation and properties of 2-(2-aminoethoxy) ethyl chitosan/cellulose fiber using N-methylmorpholine-N-oxide process</title><author>Zhuang, Xu-Pin ; 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Although chitosan is known as a natural antibacterial polymer it has poor solubility in neutral to basic medium and the antibacterial activity is shown only in acidic medium. Chitosan’s poor solubility in NMMO is the disadvantage for the production of antibacterial lyocell fibers. This paper investigates a more “NMMO soluble” derivative of chitosan, 2-(2-aminoethoxy) ethyl chitosan (AECS). AECS has greatly improved solubility in NMMO hydrate, and stronger antibacterial activity than chitosan. AECS was introduced to modify the lyocell fiber spun in a co-solution of cellulose and AECS in NMMO hydrate. The physical properties and antibacterial activity of the fibers were examined and the results indicated that the modified lyocell fiber, containing more than 2 wt% of AECS, exhibits good antibacterial activity against
E. coli
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| subjects | Antibacterial properties Antiinfectives and antibacterials Bacteria Cellulose fibers Chemistry Chemistry and Materials Science Chitosan Fibers Hydrates Polymer Sciences Polymers Solubility |
| title | Preparation and properties of 2-(2-aminoethoxy) ethyl chitosan/cellulose fiber using N-methylmorpholine-N-oxide process |
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