Irritation of different urea peroxide bleaching agents to oral mucous membrane 不同增稠载体过氧化脲漂白凝胶对口腔黏膜的刺激性
This paper introduces the synthesis and usage of urea Peroxide, and analyzes its prospect. 本文介绍了过氧化尿素的合成和用途,并着重分析了其发展前景。
A New Downstream Product of Urea and Hydrogen Peroxide& Urea Peroxide 尿素与过氧化氢下游新产品&过氧化尿素
Preparation and application of urea peroxide bleaching agent 新型漂白剂过氧化尿素的制备及应用探讨
Bleaching of Wheat Straw Soda-AQ Pulp with Urea Peroxide 麦草Soda-AQ浆的过氧化尿素漂白
Urea peroxide is synthesized by reaction of urea with hydrogen peroxide. 由双氧水与尿素反应合成过氧化尿素。
In this article, the methods of preparing urea peroxide and reusing mother liquor were studied. Process parameters such as concentration of urea peroxide, bleaching time and pH value were approached. 研究过氧化尿素的制备及生产母液的循环利用情况,对过氧化尿素用于纺织品漂白时的浓度、时间、pH值等工艺条件进行筛选。
The preparation technology and usage of urea peroxide are discussed. 着重介绍过氧化尿素的制备、工艺研究及用途。
Bleaching of soybean protein fiber knitted fabrics with urea peroxide 大豆蛋白纤维针织物过氧化尿素漂白
Preparation Application of High-active urea Peroxide 过氧化脲的制备及应用概况
Research on bleaching of cotton fabrics with urea peroxide 棉织物过氧化尿素漂白研究
Research of Urea Peroxide on the Bleaching of Pupa Protein Fiber 蚕蛹蛋白纤维过氧化尿素漂白研究
Study on the synthetic and analytical method for urea peroxide 过氧化尿素的合成及分析方法的研究
Study on the Synthesis of Urea Peroxide 过氧化尿素的合成研究
The urea peroxide ( UP) was made up of 30% H_2O_2 and urea, the effect of the mole ratio of H_2O_2 to urea, reaction temperature, reaction time, crystallization time, drying temperature and time on the content of H_2O_2 were studied. 以30%H2O2和尿素为原料制备过氧化尿素,考查了H2O2与尿素的摩尔比、反应温度、反应时间、结晶时间、干燥温度与时间等因素对产物H2O2含量的影响。
The application of urea peroxide in pulp clean bleaching 过氧化尿素及其在纸浆漂白中的应用
Urea Peroxide--New Derivative of Hydrogen Peroxide 过氧化氢下游新品&过氧化尿素
The consumption rate of H2O2, the change of pH, whiteness and weight loss of pupa protein fiber are compared after bleaching with urea peroxide and hydrogen peroxide. The results show that the bleaching effect of urea peroxide is superior to that of hydrogen peroxide. 比较蚕蛹蛋白纤维过氧化尿素和过氧化氢漂白的H2O2消耗速率、pH值变化、白度和失重率,结果表明,过氧化尿素的漂白效果优于过氧化氢。
Study on Preparation of Urea Peroxide and Their Stabilizer 过氧化尿素的制备及其稳定剂的研究
Urea peroxide is the additive compound of hydrogen peroxide and urea. 过氧化脲是过氧化氢和尿素的加成化合物。
Urea Peroxide and Its Application on Bleaching 过氧化尿素及纸浆漂白
The advantages of urea peroxide over other peroxides and the method of its preparation and the advantages of urea peroxide in clean bleaching of pulp production are introduced in the paper and the wide application prospect of urea peroxide as a new TCF bleaching agent is pointed out. 介绍了过氧化尿素比其他过氧化物所具有的优点及其制备方法,并举例说明了过氧化尿素在纸浆清洁漂白生产中的优点,指出作为新型无氯漂白剂的过氧化尿素具有广阔的应用前景。
Synthesis of Solid Disinfectant Urea Peroxide by Hydro-processes 固体消毒剂过氧化尿素湿法合成
Preparation, Application and Developing Trend of Urea Peroxide of Stabilization and High-active Oxygen 稳定、高活性氧含量的过氧化尿素的制备、应用及发展前景
By using phospho-tungstic acid as catalyzer, urea peroxide as oxidant and methanol as solvent, styrene has been oxidized. 以磷钨酸为催化剂,过氧化尿素为氧化剂,甲醇作为溶剂,对苯乙烯进行环氧化反应。
Urea peroxide was chosen for bleaching of soybean protein fiber knitted fabrics, the affects of concentration of bleaching agent, amount of sodium silicate and temperature on bleaching effect were studied. 采用过氧化尿素对大豆蛋白纤维针织物进行漂白,研究了漂白剂浓度、硅酸钠用量和温度对漂白效果的影响。
Optimization of Technology Condition of Urea Peroxide and Study on Stabilizing Agent 合成过氧化尿素工艺条件优化及稳定剂研究
The result indicates that joining the stabilizing agents can increase stabilization of urea peroxide and different stabilization agents has different influence to the stabilization of the production. 结果表明,添加稳定剂可以提高过氧化尿素产品的稳定性,不同的稳定剂对过氧化尿素的稳定效果不同。
The main conclusions are as follows: 1. After reacting with water, calcium peroxide and urea peroxide can release oxygen to significantly increase dissolution oxygen content in the water. 获得主要结论如下:1.过氧化尿素和过氧化钙都能与水反应,释放出氧气、提高水体的溶氧量。
Urea peroxide were widely used, however, it was still a problem that recycling the residual liquid after the production of peroxide urea. 过氧化尿素应用广泛,然而生产过氧化尿素后的剩余母液循环利用,仍然是一个需要解决的难题。