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maleic acid

单词 maleic acid

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释义

马来酸:一种结晶性的二羧酸,化学式为C4H4O4,与富马酸同分异构体,主要用于有机合成。

时间: 2026-03-08 04:45:15

maleic acid 双语例句

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1·In a preferred embodiment, the binder composition includes an ethylene-maleic acid copolymer formed by the hydrolysis of an ethylene maleic anhydride copolymer.

在优选的实施方案中,粘合剂组合物包括由水解乙烯马来酸酐共聚物形成的乙烯-马来酸共聚物。

2·An unsaturated polyester resin was synthesized from dicyclopentadiene maleic acid and ethylene glycol. this resin can be moulded by casting and also can be hardened in air.

用二环戊二烯,顺丁烯二酸和乙二醇合成不饱和聚酯,这种不饱和聚酯既可浇铸,也可以在空气中固化。

3·An unsaturated polyester resin was synthesized from dicyclopentadiene, maleic acid and ethylene glycol. This resin can be moulded by casting and also can be hardened in air.

用二环戊二烯,顺丁烯二酸和乙二醇合成不饱和聚酯,这种不饱和聚酯既可浇铸,也可以在空气中固化。

4·The invention discloses a fructo-oligose maleic acid ester which is formed by the method that maleic anhydride is used for carrying out esterification reaction on fructo-oligose.

本发明公开了一种低聚果糖马来酸酯,该产品通过马来酸酐对低 聚果糖进行酯化反应而成。

5·The HPLC analysis results indicate that the products of photocatalytic degradation of phenol solution include hydroquinone, catechol, benzoquinone, maleic acid, fumaric acid and so on.

高效液相色谱分析结果表明:光催化降解苯酚溶液的产物有对苯二酚、邻苯二酚、苯醌、顺丁烯二酸和反丁烯二酸等。

6·The polymer of maleic acid(PMA) was first prepared by water phase polymerization with maleic anhy_dride, and then esterified with citric acid(CA) to form PMA/ CA durable press finishing agent.

探讨了用马来酸酐水相聚合成聚马来酸(PMA) ,再与柠檬酸(CA)酯化成聚多元羧酸(PMA/CA)免烫整理剂的合成工艺;

7·Methods The multicenter, double-blind, random samples, active-controlled study has been processed in the mild to moderate hypertensive patients, and maleic acid amlodipine as the controll drug.

方法以国产马来酸氨氯地平为对照药,在轻度至中度高血压病人中进行多中心、随机、双盲、平行、活性对照的临床试验。

8·The preparation of 1,1,2 ethanetricarboxylic acid from addition reaction of maleic acid with germaniumane trichloride under acidic condition, then hydrolysis has been investigated, the yield is 71%.

以糠醛为原料,先制得顺丁烯二酸,用顺丁烯二酸与三氯锗烷在酸性条件下加成,然后水解得到1,1,2 乙烷三羧酸,收率为71%。

9·The new water stabiliser TJ -302, a compound containing phosphonic acid, is synthetized in water phase with main materials, of maleic anhydride, acrylic acid and phosphate by one step.

以马来酸酐、丙烯酸和含磷化合物为主要原料,在水相中一步合成出含膦马-丙多元共聚物TJ-302;

10·A series of rigid PU foams based respectively on maleopimaric acid ester polyols , rosin-maleicanhydride adduct ester polyols and turpentine-maleic anhydride adduct ester polyols were synthesized.

以马来海松酸酯多元醇、马来松香酯多元醇和松节油马来酐加成物酯多元醇为基,制备了硬质聚氨酯泡沫塑料。

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