羟值
- hydroxyl value
![羟值](../cache/1340322.jpg)
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通过测定大单体的含水量,pH值,羟值对测定双键值的影响,并确定乙酸汞加成法的反应条件,得出准确测定醚类单体双键值的分析方法。
By measuring the water content , pH value and hydroxyl value of the macromonomer , determing the reaction conditions of the method of addition of mercuric acetate , derive accurate determination of methods of analysis double value in ether monomers .
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不同羟值指标的S-80合成工艺研究
Study on the Synthetic Process of S-80 with Various Hydroxyl Value Quality Index
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H2O2引发的丙烯酸酯树脂的羟值分析方法
Analysis of hydroxy value of h_2o_2 initiated acrylic resin
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该方法用于H2O2引发的羟基聚丁二烯羟值测定。其结果比目前国内外通用的经典酰化法高一倍以上。
When the method is applied to hydroxyl number determination of HTPB initiated by H2O3 , the hydroxyl number is two times as large as one obtained by existing classical acetylizing method .
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综述了丙烯酸酯树脂分散体的活性基、酸值、羟值、玻璃化温度Tg、中和剂、中和度、溶剂以及多异氰酸酯等因素对双组分水性丙烯酸酯聚氨酯涂料性能的影响;
The effects of monomer structure , hydroxyl values , acid values , Tg , neutralize agent , neutralize degree , solvent and polyisocyanate on properties of two-component waterborne acrylic polyurethane coatings were reviewed .
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在此条件下合成出来的PHPB的羟值和粘度均达到较好的水平。
The viscosity and hydroxyl value of PHPB synthesized under these conditions attained better level .
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木质素及其改性树脂羟值的测定
Determination of the Hydroxyl Value of Lignin and Modified Lignin Resin
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乙酰氯法测定含环氧基聚酯羟值
Determination of Hydroxyl Value of Epoxy-Containing Polyester by Acetyl Chloride Method
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脂肪醇聚氧乙烯醚羟值分析探讨
Analysis and discussion on hydroxyl value of fatty alcohol polyoxyethylene ether
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聚酯,羟值100150、200250;
The polyesters , hydroxy values : 100-150 、 200-250 ;
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用蓖麻油制备高羟值多元醇的研究
Preparation of Polyol with High Hydroxyl Value from Castor Oil
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聚醚多元醇羟值测定方法的改进
Modification of Determination Method of OH Value in Polyether Polyol
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聚醚羟值测定的新方法
A New Method of Determining Hydroxyl Number in Polyether Polyol
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准确测定聚醚多元醇中间品羟值应注意的问题
Important factors of accurate measurement in hydroxyl value of polyether polyol determination
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得到的脱水蓖麻油羟值低,而且色泽较浅
The dehydration castor oil obtained has lower hydroxyl value and better color
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醋酐&丙酮法羟值的测定
The determin of hydroxyl value with acetic anhydride acetone method
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红外光谱法测定洗涤剂醇的羟值
Determination of Hydroxyl Value of Detergent Alcohol by Infrared Spectroscopy
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差示直接注入热函法测定聚合物的端羟值
Determination of Terminal OH Groups in Polymers by Differential Direct Injection Enthalpimetry
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非离子表面活性剂羟值测定方法的改进
Improvement on measuring hydroxyl value of non ionic surfactant
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GB/T7383-1997非离子表面活性剂聚烷氧基化衍生物羟值的测定邻苯二甲酸酐法
Non-ionic surface active agents Polyalkoxylated derivatives Determination of hydroxyl value Phthalic anhydride method
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浅谈酰化法测定聚醚多元醇羟值
Acylation Methods of Determining the Hydroxyl Value of Polyether
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GB/T7193.2-1987不饱和聚酯树脂羟值测定方法
Unsaturated polyester resin & Determination of hydroxyl value
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核磁共振内标法测定聚酯羟值
Measurement of Hydroxyl Value for Polyester by ~ 1H Nuclear Magnetic Resonance-Internal Standard Method
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催化酰化法测定聚醚羟值的研究
A study of the catalyzed acylation method for determining the hydroxyl content of polyether
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含双氧水聚丙烯酸酯溶液体系的乙酰氯法羟值测定
Hydroxyl Value Analysis of Acrylate-Styrene Copolymer Solution System by Using Acetyl Chloride as Acetylating Agent
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树脂的结构表征和其羟值的测定表明所合成的互穿聚合物网络既有亲水基团羟基,又有疏水基团苯环;
Structure and hydroxyl values of PVA / PS IPN were characterized and measured respectively .
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羟值的测定-乙酐法
Determination of hydroxyl value-acetic anhydride method
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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 .
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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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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 .