1) epoxy value
环氧值
1.
The epoxy value in end-epoxy group polyether was determined by nuclear magnetic resonance spectrometer.
利用核磁共振(NMR)波谱仪对环氧基封端聚醚的环氧值进行了测定,并与用化学法测定的环氧值进行对比,证明该测定方法数据稳定、准确,相对误差小于4%。
2.
The results showed the optimal yield and epoxy value could be obtained when 0.
通过正交试验研究了聚乙二醇缩水甘油醚制备过程中反应温度、原料配比、催化剂用量、KOH用量对产物收率及环氧值的影响。
2) epoxide number
环氧值
1.
The results of experiments showed that 96 percent of production of tri (4-hydroxyphenyl) methane low-molecular weight epoxy resin whose epoxide number is 0.
3%～2%的条件下,可得到环氧值为0。
2.
In synthesizing process, the optimum quanta of hydrogen peroxide solution and glacial acetic acid which affect epoxide number were determined.
对合成过程中影响环氧值的两个重要条件：即双氧水和冰醋酸的用量做了大量实验，确定了最佳条件。
3.
Material like soybean oil,glacial acetic acid and hydrogen peroxide have been catalized by H2SO4,washed by alkali liquor and pure water,then through vacuum distillation and finally to get a good product of epoxide number more than 7.
以大豆油、冰醋酸与双氧水为原料加入EDTA或尿素作稳定剂,用浓硫酸作催化剂,经碱洗、水洗、减压蒸馏后制得环氧值大于7。
3) epoxide value
环氧值
1.
In this paper,glycidyl ether, which was high epoxide value and low viscosity,was synthesized from 1,2-trimethylene glycol,epichlorohydrin and the normal butyl alcohol by phase transfer catalyst based on the orthogonal experiment design.
采用1,2-丙二醇、正丁醇和环氧氯丙烷为原料,在相转移催化剂的作用下反应,通过正交实验合成了的高环氧值、低粘度的混合醇缩水甘油醚。
2.
In calculation with this model,epoxide value of diglycidyl ether of 1,2-cyclohexandiol could be predicted,which depended on mole ratio of 1,2-cyclohexandiol, epichlorohydrin and catalyst.
利用该模型可以从原料CHD,ECH和三氟化硼-乙醚的配比预测产物的环氧值。
3.
Glycidyl ether,which had the high epoxide value and the low viscosity,was synthesized with 1,2-trimethylene glycol,epichlorohydrin and the normal butyl alcohol by phase transfer catalyst based on the orthogonal experiment design.
采用1,2-丙二醇、正丁醇和环氧氯丙烷为原料,在相转移催化剂的作用下反应,通过正交实验合成了高环氧值、低粘度的缩水甘油醚。
4) high epoxy value
高环氧值
1.
Preparation of epoxidized soybean oil with high epoxy value;
高环氧值环氧大豆油制备工艺的研究
5) oxygen value
氧值
6) epoxy resin
环氧
1.
Effect of Polyether on Preparation of Epoxy Resin-PU IPN;
聚醚对环氧-聚氨酯互穿网络制备的影响
2.
The title oil resistant coatings for fuel tanks has been developed by choosing proper polyester resin,epoxy resin and appropriate polyisocanate hardener,The results indicated that the coatings shows good low temperature drying property and corrosion protection, oil-resistance,particularly hot-oil-resistance.
通过选择适当的聚酯树脂和环氧树脂,配以适当的异氰酸固化剂,研制了一种用于油箱的环氧聚氨酯耐油涂料。
3.
In this paper, the application and development of epoxy resins act as the inhibitor of rocket propellant are reviewed; the recent progress of work is also introduced.
综述了环氧包覆材料的历史发展和国内外现状 ,根据环氧树脂增韧改性的进展 ,提出了环氧包覆材料的发展方向。
补充资料：环氧值
分子式：
CAS号：
性质：是指100g环氧树脂中含有环氧基的当量数。它与环氧当量的关系为环氧值=100/环氧当量。环氧值是环氧树脂的重要性能指标，可用以鉴定环氧树脂的质量，或计算固化剂的用量。
CAS号：
性质：是指100g环氧树脂中含有环氧基的当量数。它与环氧当量的关系为环氧值=100/环氧当量。环氧值是环氧树脂的重要性能指标，可用以鉴定环氧树脂的质量，或计算固化剂的用量。
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