查询词典 basic anhydride

In this paper a series of multiblock copolymers were synthesized by polycondensation of poly , phthalic anhydride and epoxy resin in the presence of triethyl benzyl ammonium chloride as the catalyst.

以三乙基苄基氯化铵为催化剂，将聚乙二醇、邻苯二甲酸酐和环氧树脂进行共缩聚，制得聚乙二醇-环氧树脂系列多嵌段共聚体。

At present,the total capacity of trimellitic anhydride in the world is about 230,000t/a, with output of 165,000 t/a and total consumption about

目前世界偏苯三酸酐的总生产能力约为 2 3 0万t/a ，产量约为 16 5万t/a ，消费量约为 16 0万t/a。

The global production capacity of trimellitic anhydride was 203 kt/a in 2002, including the capacity of China, 17kt/a.

2002年全球偏苯三酸酐的生产能力为20.3万t/a，我国的产能为1.7万t/a，全球的消费量约14万t。

Three methods for trimellitic anhydride production including MGC,nitric aid oxidation,and liquid phase oxidation by air were compared.

比较了生产偏苯三酸酐的3种方法：芳香醛水溶液空气氧化法、硝酸氧化法和液相空气氧化法。

The title compounds were prepared using chlororesorcinol and trimellitic anhydride as the starting materials in seven steps, with fine overall yields.

以氯代间苯二酚和苯三酸酐为起始原料经7步反应得到了目标化合物，产率良好。

A new production technology of high-quality trimellitic anhydride with the liquid-phase air-oxidation from 1,2,4-trimethylbenzene was developed.

偏苯三酸酐的生产方法主要有偏三甲苯气相空气氧化法、偏三甲苯液相硝酸氧化法、偏三甲苯液相空气氧化法和间二甲苯甲醛液相空气氧化法。

Poly(aryl ether sulfone ether ketone ketone) with side carboxyl attached to the main chain was synthesized by Friedel-Crafts polycondensation of 4,4′-diphenyoxyl diphenyl sulfone with trimellitic anhydride chloride.

以4，4′-二苯氧基二苯砜，偏苯三酸酐酰氯为单体通过Friedel-Crafts亲电反应合成了主链芳环上带有羧基侧基的聚芳醚砜醚酮酮树脂。

A series of UV curable waterborne hyperbranched polyester s with different acid/amine terminal rate,which contained -OH?-COOH and methacrylic chain end groups,and were partly neutralized with thertiary amine,were synthesized from trimellitic anhydride,epichlorohydrin,glycidyl methacrylate and triethylamine.

以偏苯三酸酐、环氧氯丙烷、甲基丙烯酸缩水甘油酯、三乙胺合成了末端羧基与氨基不同比例的一系列可UV固化的高支化聚酯，研究了末端官能团对合成产物水溶性、粘度以及凝胶转化率的影响。

Keywords vanadyl pyrophosphate;catalyst;additives;selective oxidation;maleic anhydride

氧钒基焦磷酸盐；催化剂；添加剂；选择性氧化；顺酐

Ferrocene will be acetylated by the action of phosphoric acid* and acetic anhydride*.

二茂铁可以与磷酸*和乙酐*作用而被乙醯化。在反应混合物中，产物的数量可以通

There had been a moment during the breakfast meeting, though, after the backslapping and the small talk and when all of us were seated, with Vice President Cheney eating his eggs Benedict impassively and Karl Rove at the far end of the table discreetly checking his BlackBerry, that I witnessed a different side of the man.

那次早餐会期间，在表示过关心和寒暄以后，我们所有人坐了下来，我注意观察了一下，副总统切尼面无表情地吃着班尼迪克蛋（Eggs benedict，源自美国，以英式松饼、火腿、水煮蛋以及荷兰酱组合而成），卡尔。罗夫在餐桌的远端谨慎地经常查看他的黑莓手机，我目睹了他所不为人知的一面。

Talk Undelete failed; someone else may have undeleted the page first.

Talk 无法删除选定的页面或图像（它可能已经被其他人删除了）。