发明名称 |
Bridged bis-(4,6-dialkyl phenol) prodn - from phenol reacted with excess acetal |
摘要 |
Bridged bis(4,6-dialkylphenol)cpds. (I) are produced by reaction of 2,4-dialkylphenols with excess acetal in presence of acid catalyst. (I) are stabilisers for polymers. Process gives high yields (97-98%), is simple does not require water in reaction medium and avoids pollution. |
申请公布号 |
NL7514666(A) |
申请公布日期 |
1977.06.20 |
申请号 |
NL19750014666 |
申请日期 |
1975.12.16 |
申请人 |
NAUCHNO-ISSLEDOVATELSKY INSTITUT REZINOVYKH I LATEXNYKH IZDELY TE MOSKOU EN STERLITAMAXKY OPYTNO-PROMYSHLENNY ZAVOD PO PROIZVODSTVU IZO- PRENOVOGO KAUCHUKA TE STERLITAMAK, U.S.S.R. |
发明人 |
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分类号 |
C07C37/11 |
主分类号 |
C07C37/11 |
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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