发明名称 |
METHOD FOR PRODUCING HYDROPHILIZED CELLULOSE FIBER, AND METHOD FOR REDUCING OXIDIZED CELLULOSE FIBER |
摘要 |
<p>This invention provides a method for hydrophilic cellulose fibers capable of inhibiting decrease in the degree of polymerization and whiteness degree of oxidized cellulose fibers in oxidized cellulose in which a carbon at position 6 of each glucose unit in the cellulose fiber starting material is oxidized to a carboxyl group, the method comprising (A) the step of performing dehalogenation together with reduction,
the dehalogenation comprising mixing a dehalogenation agent, a reducing agent, and oxidized cellulose fibers, and removing halogens remaining in the oxidized cellulose fibers, and
the reduction comprising reducing a ketone group at position 2 and/or position 3 of each glucose unit in the oxidized cellulose fibers.</p> |
申请公布号 |
EP2669425(A1) |
申请公布日期 |
2013.12.04 |
申请号 |
EP20120739540 |
申请日期 |
2012.01.18 |
申请人 |
GUNZE LIMITED |
发明人 |
ISOGAI, AKIRA;TANAKA, CHIAKI;YUI, YOSHINARI |
分类号 |
D06M11/50;D06M11/34;D06M11/80;D06M13/322;D06M23/00;D06M101/06 |
主分类号 |
D06M11/50 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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