| 低游离醛脲醛树脂的合成 |
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| 引用本文： | 王敏娟,王建华. 低游离醛脲醛树脂的合成[J]. 热固性树脂, 2001, 16(4): 19-20 |
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| 作者姓名： | 王敏娟 王建华 |
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| 作者单位： | 华中理工大学汉口分校化工系 |
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| 摘 要： | 采用强酸催化脲醛反应中低温合成工艺 ,在保证UF强度的前提下 ,通过分批加入尿素 ,控制甲醛与尿素的低物质的量比 (1 4∶1) ,合成了低游离醛 (<0 3% )脲醛树脂
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| 关 键 词： | 脲醛树脂 强酸催化合成 低游离醛 |
| 文章编号： | 1002-7432(2001)04-0019-02 |
| 修稿时间： | 2001-06-18 |
The Synthesis of UF Resin with Lower Content of Free Formaldehyde |
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| WANG Min juan WANG Jian hua. The Synthesis of UF Resin with Lower Content of Free Formaldehyde[J]. Thermosetting Resin, 2001, 16(4): 19-20 |
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| Authors: | WANG Min juan WANG Jian hua |
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| Abstract: | UF resin with lower content(<0 3%)of free formaldehyde was obtained.By the catalytic techniques of strong acidic acid at mild temperature.The reaction was carried in the lower molar ratio of formaldehyde and urea(1 4∶1)and urea was added in three times. |
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| Keywords: | UF Strong acid Catalytic synthesis Low free formaldehyde content |
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