发明名称 |
METHOD OF PRODUCTION OF METHYLATED PRODUCT FROM WASTE BIRCH WOOD |
摘要 |
FIELD: method of chemical treatment of wood; production of methylated product from waste birch wood which is used as stabilizing and emulsifying agents in various fields of industry instead of methyl cellulose. ^ SUBSTANCE: proposed method includes treatment of air-dry wood by 40-% aqueous solution of sodium hydroxide at ratio of 1 g:11 ml which is continued for 2-3 h at room temperature, thus forming alkaline wood; then, filtration and pressing-out are performed, after which methylation with excessive methyl chloride is performed at temperature of 60-80C for 4-6 h at separation of target product by precipitation from products soluble in cold water (5-7C) by heating their aqueous solution to temperature of 95-100C followed by hot filtration and drying of solid residue. ^ EFFECT: enhanced efficiency. ^ 2 ex |
申请公布号 |
RU2305112(C1) |
申请公布日期 |
2007.08.27 |
申请号 |
RU20060112882 |
申请日期 |
2006.04.17 |
申请人 |
INSTITUT KHIMII I KHIMICHESKOJ TEKHNOLOGII SO RAN(IKHKHT SO RAN) |
发明人 |
VASIL'EVA NATAL'JA JUR'EVNA;BARYSHNIKOV SERGEJ VIKTOROVICH;SHARYPOV VIKTOR IVANOVICH;KUZNETSOV BORIS NIKOLAEVICH;BEREGOVTSOVA NATAL'JA GRIGOR'EVNA;KUZNETSOVA SVETLANA ALEKSEEVNA |
分类号 |
C08B11/02 |
主分类号 |
C08B11/02 |
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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