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- carboxylic polyether 羧化聚醚
- Polyether types of polyurethane rubber. 聚醚多元醇与二异氰酸酯类化合物聚合制得的橡胶。
- Containing two carboxyl groups per molecule. 二羧基的每个分子中含有两个羧基的
- The pH is equal to the of the carboxyl group. 等于羧基pKa的pH
- One exception is the decarboxylation of aromatic carboxylic acids. 芳香羧酸进行脱羧反应是一个例外。
- The introduction of a carboxyl group into a compound or molecule. 羧化把一个羧基引入一个化合物或一个分子
- Carboxylic acid esters are important chemical raw materials. 羧酸酯是重要的化工原料。
- These sites include, carboxyl, epoxy, amino and the like. 这些部位包括羧基、羰基、环氧基和氨基等。
- Any of various enzymes that hydrolize the carboxyl radical. 脱羧酶酶的一种,可水解羧基酸。
- Epoxy resin toughened by carboxyl nitrile rubber exhibits good... 羧基丁腈橡胶增韧的环氧树脂胶表现出良好的拉伸剪切性能。
- A raw rubber for millable polyether polyurethane elastomer was prepared. 研制了一种新型的聚醚型聚氨酯生胶。
- These sites include, carboxyl, epoxy, amino and the like . 这些部位包括羧基、羰基、环氧基和氨基等。
- Polyether diol mainly adopts polytetramethylene ether glycol (PTMEG). 聚醚二醇主要采用聚四氢呋喃醚二醇(PTMEG)。
- Twelve different thioxanthone carboxylic amides derivatives are prepared. 合成了十二种噻吨酮酰胺类光引发剂。
- The mechanism of the carboxylic lignosulfonate's scale inhibition is discussed. 实验结果表明,羧酸型磺化木质素是一种阻垢性能较为理想的绿色阻垢剂。
- Sulfuric acid is main catalyst for the synthesis of carboxylic acid esters. 羧酸酯的合成主要用硫酸作催化剂,但这种催化剂有许多缺点。
- The pendant carboxyl groups add more crosslinking sites and polar than Nitrile. 在丁腈橡胶的基础上,羧基增加架桥端并赋予更高的极性。
- Objective To explore the technique of the cooperation of nursing in auto-mixed polyether rubber impressions applying. 目的:探讨临床应用自动混合型聚醚橡胶制取印模时护理配合技巧。
- The results indicate that carboxyl group is strongly interacted with MMT. 试验结果表明,羧酸基团与MMT有很强的相互作用。
- Studies of CFC-free formulation for flexible polyether PU foam is described in this paper. 本文介绍聚醚型软质聚氨酯泡沫塑料无氟氯烃配方的研究.