1) Dipentaerythritol
[,daipənti:ri'θritɔl]
二季戊四醇
1.
crystallization kinetics was studied for dipentaerythritol and pentaerythritol by analyzing the nexus of crystal size and crystal population density and the nexus of crystal growth rate and nucleation rate.
从结晶粒径与晶核数密度关系,晶体生长速率与成核速率关系着手,研究了二季戊四醇和季戊四醇的结晶动力学特性。
2.
A HPLC method for the analysis of weight percentage of dipentaerythritol in samples is developed.
6 0mmLUNA 5 μC1 8色谱柱和示差折光检测器 ,以超纯水为流动相 ,分析样品中二季戊四醇的质量分数 ,获得了满意的效果 ,线性相关系数为 0 9997,变异系数为 0 1%～ 0 3
2) dipentaerythritol
[,daipənti:ri'θritɔl]
季戊四醇二聚体
1.
The star-shaped poly(sodium acrylate),initiated by potassium diperiodatocuprate(Ⅲ)(DPC)/dipentaerythritol(DPE),was synthesized through redox radical polymerization of sodium acrylate(AA-Na) in alkaline medium.
以二羟基二过碘酸合铜(Ⅲ)钾(简称DPC)为氧化剂与季戊四醇二聚体(简称DPE)组成氧化还原体系,在碱性介质中引发丙烯酸钠(简称AA-Na)通过自由基聚合得到了星形聚丙烯酸钠(简称SSPAA-Na)。
3) dibromo pentaerythritol
二溴季戊四醇
4) 3-Propanediol, 2,2'-[oxybis(methylene)]bis[2-(hydroxymethyl)-1
二聚季戊四醇
5) pentaerythritol
[,pentəi'riθritɔl]
季戊四醇
1.
Synthesis of pentaerythritol diacetals and diketals catalyzed by methanesulfonic acid;
甲基磺酸催化合成季戊四醇双缩醛(酮)
2.
Synthesis of star-shaped poly(p-dioxanone) by pentaerythritol;
以季戊四醇为引发剂的星形聚对二氧环己酮的合成
3.
Effect of 4A Zeolite on Property of Flame Retardant PP by Melamine Phosphate/Pentaerythritol;
4A分子筛对三聚氰胺磷酸盐/季戊四醇阻燃PP性能的影响
6) pentaerythrite
季戊四醇
1.
The factors such as pH value,pressure and time in pressurized hydrolysis of pentaerythrite solution and pentaerythrite mother liquor are studied.
本文研究了回收季戊四醇溶液或季戊四醇母液加压水解时pH值、压力和时间等因素对缩醛水解的影响。
2.
Bis(bromomethyl) 1,3 propanediol as a good reaction type fire retardant was synthesized by some processes such as replacement reaction, decompression separation, purification and drying from pentaerythrite and 40% hydrobromic acid solution in catalysis of glacial acetic acid, with a yield of 80.
以季戊四醇和４０％氢溴酸溶液为原料，冰醋酸为催化剂，经取代反应、减压分离、纯化和干燥等步骤合成了具有优良性能的反应型阻燃剂２，２二（溴甲基）１，３丙二醇，以季戊四醇计，产品收率为８０。
补充资料：二季戊四醇
分子式：(CH2OH)3CCH2OCH2C(CH2OH)3
CAS号：
性质：白色结晶状固体。无毒。无吸湿性。熔点221～222.5℃。密度1.356g/cm3。微溶于水。不溶于乙醇、丙酮和苯。是甲醛和乙醛在矿性介质中缩合生产季戊四醇过程中的副产物，可用分步结晶法自季戊四醇中分离回收。主要用于醇酸树脂、干性油、松香酯和耐燃剂等的制造。
CAS号：
性质：白色结晶状固体。无毒。无吸湿性。熔点221～222.5℃。密度1.356g/cm3。微溶于水。不溶于乙醇、丙酮和苯。是甲醛和乙醛在矿性介质中缩合生产季戊四醇过程中的副产物，可用分步结晶法自季戊四醇中分离回收。主要用于醇酸树脂、干性油、松香酯和耐燃剂等的制造。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条