发明名称 |
A process for the production of cross-linkable high molecular weight reaction products of isocyanates |
摘要 |
1,139,422. Bis-(methoxymethyl)-urea derivative. FARBENFABRIKEN BAYER A.G. 27 Jan., 1966 [3 Feb., 1965], No. 3770/66. Heading C2C. [Also in Division C3] In Example (4) the triglyceride of ricinoleic acid is reacted with methoxymethyl isocyanate in the presence of the stannous salt of 2-ethylcaproic acid by heating for 4 hours. #: #<SP>1</SP>- diaminodibutyl ether is then added to react with excess isocyanate. 0À20% of p-toluene sulphonic acid is added and the product heated to 140‹ C. in a vacuum to obtain a cross-linked gelatine-like product. |
申请公布号 |
GB1139422(A) |
申请公布日期 |
1969.01.08 |
申请号 |
GB19660003770 |
申请日期 |
1966.01.27 |
申请人 |
FARBENFABRIKEN BAYER AKTIENGESELLSCHAFT |
发明人 |
OERTEL GUNTER;HOLTSCHMIDT HANS;WAGNER KUNO;ZENNER KARL-FRIEDRICH |
分类号 |
C08F2/00;C08F2/38;C08F8/30;C08G2/00;C08G4/00;C08G18/71;C08G63/685;C08G63/91;C08G65/333;C08G69/48;C08G71/00;C08G73/02;C08G73/08;C08G75/00;C08G75/30;C08G85/00 |
主分类号 |
C08F2/00 |
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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