Under the alkalescency condition, dihydroxyl-methyl-urea was synthesized by the addition reaction with urea and formaldehyde as materials.
在弱碱性条件下,以尿素和甲醛溶液为原料通过加成反应合成制备二羟甲基脲,利用FTIR、1HCMR对产物的结构进行了表征,用化学方法对其所含元素、羟甲基含量及游离甲醛含量进行分析。
The condensation polymer of dimethylolurea was synthesized from dimethylolurea by melt polycondensation and identified by FTIR,1 H NMR,13 C NMR and 15 N NMR.
以尿素和甲醛为原料,在碱性水溶液中合成了二羟甲基脲,利用FTIR,1HNMR和元素分析对其结构进行了表征。
ether-type dimethylol urea
醚型二羟甲基脲,醚化二羟甲基脲(防皱整理剂)
dimethylol urea
二羟甲基脲(一种脲醛树脂,棉或粘胶织物的防缩防皱树脂整理剂)
DMDHEU (dimethylol dihydroxy-ethylene urea)
二羟甲基二羟基乙撑脲
dimethylol hydroxy propylene urea
二羟甲基羟基丙撑脲
hylol ethylene urea resin
二羟甲基乙烯脲树脂
dimethylolethylene urea
二羟甲基乙撑脲(防缩防皱树脂整理剂)
DHDMEU (4,5-dihydroxy-1,3-dimethyl ethylene urea)
4,5-二羟基-1,3-二甲基乙烯脲(无甲醛交联整理剂)
methylated methylol urea resin
甲醚化羟甲基脲树脂
dimethylol propylene urea
二羟甲基丙撑脲(耐洗的棉织物防缩防皱树脂整理剂)
2,5-dihydroxybenzoic acid
2,5-二羟基苯甲酸
2,4-dihydroxybenzoic acid
2,4-二羟基苯甲酸
Synthesis of N-(4-hydroxybenzoyl)-N -aryl thioureas;
N-(4-羟基苯甲酰基)-N’-芳基硫脲的合成
Quantum Chemistry Study on Antitumor Activities of 1-(2-Hydroxy-3,5-Diiodobenzylidene)-4-Hydroxysemi-Carbazide;
1-(2-羟基-3,5-二碘苯亚甲基)-4-羟基氨基脲的抗癌活性的量子化学研究
dinitrobenzoylene urea
二硝基邻苯甲酰亚脲
3,5-dihydroxy-3-methyl valeric acid
3,5-二羟基-3-甲基戊酸
butyl phthalybutyl glycollate
丁基苯二甲酰基羟乙酸
potassium N-hydroxymethyl-Nmethyldithiocarbamate
N-羟甲基-N-甲基二硫代氨基甲酸脂
Study on 2,4-dihydroxybenzaldehydethiocarbohydrazone Complexeof Nickel(II) as Carriers for Perchlorate Selective Electrodes;
2,4-二羟基苯甲醛缩硫脲合镍(II)为中性载体的高氯酸根离子敏感电极的研究