发明名称 |
AQUEOUS SILK FIBROIN SOLUTION WITH EXCELLENT STORAGE STABILITY AND PREPARATION THEREOF |
摘要 |
PURPOSE:To obtain the title solution suppressing occurrence of turbidity or gel-like substance in a liquid for a long time and useful as a film forming material, etc., by dissolving a water-soluble amide compd. and/or dimethyl sulfoxide in an aq. silk fibroin soln. CONSTITUTION:0.5-50wt.% water-soluble amide compd. (e.g. N,N- dimethylformamide) and/or dimethyl sulfoxide in terms of soln. concn. are dissolved in an aq. silk fibroin soln. prepd. by dissolving it in pref. an aq. medium and, if necessary, 0.01-1.0wt.% mildewproofing agent and preservative (e.g. methyl p-hydrooxibenzoate) and 0.01-1.0wt.% chelating agent (e.g. disodium salt of EDTA) are incorporated. |
申请公布号 |
JPH02240165(A) |
申请公布日期 |
1990.09.25 |
申请号 |
JP19890061427 |
申请日期 |
1989.03.13 |
申请人 |
KANEBO LTD;KANEBO KENSHI KIYOUBIJIN KK |
发明人 |
OTOI KIYOSHI;YAMAMOTO OSAMI |
分类号 |
A61L27/00;C08J5/18;C08L89/00;D06M13/02;D06M13/188;D06M13/248;D06M13/322;D06M13/342;D06M13/345;D06M13/402;D06M15/15;D06M23/00;D06M101/00;D06M101/02;D06M101/10;D06M101/12 |
主分类号 |
A61L27/00 |
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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