环氧树脂中羟值(Hydroxyl value) 是指100g树脂中的羟基基团的物质的量。而通常工业上用的羟值是指羟值(Hydroxyl value) 1g样品中的羟基所相当的氢氧化钾(KOH)的毫克数,以mgKOH/g表示。
聚醚多元醇羟值测定方法探讨 关键词:聚醚多元醇;羟值;测定 [gap=3418]Key words:Polyether polyol;Hydroxyl value;Determination
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...I)(3-isocyanatomethyl-3,5,5-trimethylcyclohexyl isocyanate)异佛尔酮二异氰酸酯 liquid PU液体聚氨酯 hydroxyl number羟值 ..
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...产品物性 外观:淡黄色液体黏度(25℃,mPa.s):788密度(25℃,g/cm3):1.05水溶性:微溶于水闪点(PMCC,℃):127羟值(mgKOH/g):1525 产品用途 Dabco PT305是一种低气味反应型的胺类催化剂; Dabco PT305主要用于硬质聚氨酯泡沫,特别是对硬质泡沫地后...
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羟值的测定 Determination of hydroxyl value ; Determination of hydroxyl number
固体羟值 OH Value Solids
羟值测定方法 Determination of hydroxyl value ; unsaturated polyester resin-determination of hydroxyl value
羟基值 [化学] hydroxyl value ; HV ; Hydroxyl number
羟基值的测定 Determination of hydroxyl value
活性羟基值 Active hydroxyl value
In the first part compatibility vary with the hydroxyl value of alkyd resin is investigated. In the second part, synthesis method of maleic anhydride grafted chlorinated polypropylene and compatibility vary with the graft ratio are investigated.
第一部分考察相容性随醇酸树脂羟值的变化情况,第二部分研究了马来酸酐接枝氯化聚丙烯的合成方法和相容性随接枝率变化的情况。
参考来源 - 氯化聚丙烯接枝物的合成及其与醇酸树脂的相容性In lamination region, the volume ratio of the two layers is related to the hydroxyl content of alkyd resin.
还发现在分层区中,两层的体积比与醇酸树脂的羟值有关。
参考来源 - 氯化聚丙烯接枝物的合成及其与醇酸树脂的相容性·2,447,543篇论文数据,部分数据来源于NoteExpress
羟值越大,初始粘度越低,而最终粘度越高。
The more hydroxyl-group, the lower in early viscosity, and the higher in final viscosity.
文章还对聚酯羟值的酸值修正问题进行了探讨。
This paper also discusses about the modification for the acid value of hydroxy in polyster.
介绍了一种含环氧基聚酯的羟值测定方法,即乙酰氯法。
A method for determining hydroxyl value of epoxy-containing polyester, namely acetyl chloride method is introduced.
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