water-repellent admixture 中文意思是什麼
water-repellent admixture
解釋
憎水劑-
This paper designs molecular structure of organic water - repellent admixture. we choose carboxylic acid that possesses amphiphilic molecular structure and sodium carbonate and potassium hydroxide as important raw materials. they carry through soaps turns reaction to synthesize polycarboxylic acid type waterproofing agent
本文通過對有機質防水劑分子結構設計，選擇具有兩親結構的羧酸（酸a 、酸b ） 、無水碳酸鈉、氫氧化鉀為主要原材料，通過皂化反應，合成多元羧酸系防水劑。 -
The hydrophobicity materials on organic water - repellent admixture have been extensively used in tunnel waterproofing engineering in america, australia, japan and west germany since the end of the 1950s
進入五十年底，美國、加拿大、日本、西德等國在各類防水工程中就廣泛的使用了憎水材料的有機質防水劑。 -
Their effects on the chemical shrinkage, self - shrinkage, hole structure of cement stone and on the shrinkage of mortar and concrete were also studied thoroughly, and a concrete admixture with high performance of crack - resistant and water - repellent was prepared
通過它們對水泥石的化學收縮和自收縮、孔結構以及對砂漿及混凝土的收縮性能的深入研究配製出了一種性能優良的混凝土抗裂防水外加劑。 -
Water - repellent admixture for mortar and concrete
砂漿混凝土防水劑 -
The advanced carboxylic acid waterproofing agent became main content of cement liquid water - repellent admixture that korean most used
而高級羧酸系防水劑為韓國使用最多的「水泥液體防水劑」的主要材料。 -
According to standard jc474 - 1999 " water - repellent admixture for mortar and concrete ", properties of the admixture were measured and they all satisfied with the specified standard of first quality product
依據jc474一1999 《砂漿、混凝土防水劑規定方法》 ，對所配製的外加劑測定，其各項性能符合該標準中規定的一等品的要求。 -
The relation between addition content of calcined kaolin, aluminium powders and aluminum sulfate in concrete and compressive strength, slump constant, 30min slump and permeability altitude were studied, and according to the experiment results, the component percent contents of crack - resistant and water - repellent admixture in cement were determined as following : calcined kaolin 6 %, aluminum sulfate 4 % and aluminium powders 0. 005 %
通過對煅燒高嶺土、鋁粉、硫酸鋁在混凝土中摻量對其抗壓強度、初始武漢理工大學碩士學位論文坍落度、 3omin坍落度保留值及透水高度的影響，確定了配製抗裂防水外加劑的各組成成分以其占水泥質量的百分比分別為:鍛燒高嶺土6 % ，硫酸鋁4 % ，鋁粉為0 . 005 % 。
分享友人