The optimum reaction conditions for preparing cashew phenol aldehyde resin adhesive by cashew oil instead of phenol aldehyde were investigated.
研究了用腰果油部分替代苯酚制备腰果酚醛树脂胶的最佳反应条件。
The urea-formaldehyde resin is formed by the reaction of urea, formaldehyde, aldehyde, one or more stabilizers and modifier according to the route of weak base-weak acid-weak base.
脲醛树脂由尿素、甲醛、二醛和一种或多种稳定剂、改性剂，按照弱碱-弱酸-弱碱 的路线反应而得。
Thus a study is devoted to the effects of phenol aldehyde resin, butadiene nitrile rubber, air pore filling agent and technological conditions on the preformance of abrasive tools.
利用酚醛树脂作为结合剂、环氧树脂作为改良剂制备异型石材磨具，研究环氧树脂、酚醛树脂和致孔填充剂含量对细磨磨具的磨削性能和抛光磨具的抛光性能的影响。
The structural groups of carbonized products of phenolic aldehyde resin and polystyrene cation exchange resin treated at different temperatures are tested and analyzed with IR method.
用红外光谱法对不同温度下处理的酚醛和聚苯乙烯阳离子交换树脂碳化产物的结构基团进行了测试分析。
The experiment results show that CrO 4h - quaternary ammonium salt resin is an effectively selective oxidant for oxidation of alcohol to aldehyde of ketone.
实验结果表明，铬酸氢根季铵盐树脂是一种氧化醇为醛或酮的有效选择性氧化剂。
The experiment results show that CrO 4h - quaternary ammonium salt resin is an effectively selective oxidant for oxidation of alcohol to aldehyde of ketone.
实验结果表明，铬酸氢根季铵盐树脂是一种氧化醇为醛或酮的有效选择性氧化剂。
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