查询词典 basic anhydride

The possible mechanism was discussed. These bowl-shaped aggregates are promising candidates for nano reactor or drug carrier.4 2,7-dimethylene-1,4,6-trioxaspiro[4, 4]nonane with two vinyls was prepared to be used as electron-donor and crosslinker. The ATRP of this crosslinker and excess methylacrylate (used as electron-accpetor) was proved to mainly form homopolymers. With the chain-transfer agent S-1-Dodecyl-S\'-(α,α\'-dimethyl-α-acetic acid)trithiocarbonate, the copolymerization of the spiro hydrocarbon, maleic anhydride and MA by RAFT method produced star PMA.

这些由聚电解质复合物自组装形成的聚集体，在微反应器和药物释放等领域具有潜在的应用前景。4合成了双乙烯基的2，7-二亚甲基-1，4，6-三氧杂螺环烷，作为给电子单体和交联剂，与吸电子单体马来酸酐或过量的丙烯酸甲酯形成电荷转移络合物共同聚合，尝试了用ATRP和RAFT方法一步法合成星形聚合物。

Recovery of maleic anhydride using nonaqueous agent is the direction of MA production.

非水溶剂法吸收顺丁烯二酸酐是顺酐生产的发展方向，为开发非水溶剂吸收顺酐的工艺，本文进行了顺酐在有机溶剂中的溶解度。。。

The test result showed that the pour point of Jianghan crude oil might depress from 28 ℃ to 13 ℃ when styrene∶maleic anhydride∶octadecyl acrylater was 1∶3∶3, preheated temperature of the crude oil was 60 ℃, and addition of the terpolymer was 300 mg/L.

研究表明，当苯乙烯、马来酸酐、丙烯酸十八烷基酯三种单体摩尔比为1∶3∶3，原油预热温度为60 ℃，三元共聚物在江汉原油中加量为300 mg/L时，此三元共聚物可使江汉原油的凝固点从28 ℃降到13 ℃。

In this paper octadecyl acrylate-maleic anhydride copolymer were prepared and used as compatibilizing agent of the blend system of polypropylene,starch and inorganic filler,which can be used as photo-biodegradable plastic.

采用丙烯酸十八酯-马来酸酐的共聚物作为聚丙烯(PP1330)淀粉无机填料共混体系的相容剂，制成的共混材料，代替聚苯乙烯发泡体作为可降解的一次性餐饮具。

The product synthesized under the optimum conditions as follows had final acid value of 0.494 mgKOH/g,and conversion of reatants up to 99.59%,molar ratio of isooctanol to phthalic anhydride 3∶1,the dosage of both aluminium oxide and stannous octoate as catalyst 0.2%(based on the total mass of reactants),reaction time 2.5 hours.

考察了工艺条件对合成DOP的影响，结果表明，在异辛醇与苯酐摩尔比3∶1，氧化铝/辛酸亚锡复配催化剂用量分别占反应物总量的0.2%，反应温度230℃，反应时间2.5h的最佳工艺条件下，产品终点酸值0.494mgKOH/g，反应物转化率达99.59%。

The epoxy resin/methyl-nadic anhydride/organophilic montmorillonitecomposite was prepared,in which the OMMT was modified by long chain alkyl quaternary amˉmonium salts.

采用长链烷基季胺盐对蒙脱土进行有机改性，将改性后的蒙脱土与双酚A型环氧树脂以及酸酐固化剂充分混合固化制得复合材料。

The flame retardant PP-g-MAH/OMMT nanocomposite master batch was prepared with maleic anhydride grafted polypropylene and organophilic montmorillonite by melt intercalation. The master batch was characterized by means of XRD and TGA. Flame retardant PP with high flame retardancy and mechanical properties was prepared with PP-g-MAH/OMMT master batch and magnesium sulfate whisker.

以聚丙烯接枝马来酸酐和有机蒙脱土为原料，通过熔融插层制备了PP-g-MAH/OMMT纳米复合阻燃母料，利用X射线衍射及热失重分析对其进行了表征，并将其与碱式硫酸镁晶须复配，制备了阻燃性能及力学性能优良的阻燃PP。

The above resins are irregular transparent solid which are the products of esterification by pentaerythrite and the adducts of rosin and maleic anhydride.

马林酸树脂又名失水苹果酸树脂，由松香与顺丁烯二酸酐加成反应后并以多元醇酯化而制得的不规则透明粒片状固体。

Power, formaldehyde, pentaerythritol, stupid anhydride four workshops.

动力、甲醛、季戊四醇、笨酐四个车间。

Perosmic anhydride when 48 degrees Celsius will melt, to 130 degrees Celsius when will seethe with excitement.

四氧化锇在48摄氏度时会熔化，到 130摄氏度时就会沸腾。

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）。