So, as the complement for the bimaceral polyurea, the single-polyurea has the wide application foreground in the anti-crash and anti-seepage in the hydropower project.
作为双组分脲施工技术的补充,单组分脲在水利水电工程中混凝土抗冲磨及渗等方面具有广泛的应用前景。
So, as the complement for the bimaceral polyurea, the single-polyurea has the wide application foreground in the anti-crash and anti-seepage in the hydropower project.
作为双组分脲施工技术的补充,单组分脲在水利水电工程中混凝土抗冲磨及渗等方面具有广泛的应用前景。
Two series of thermotropic liquid crystalline polyureas were synthesized by the copolymerization of benzidine (or o-tolidine),1,6-hexane diamine and 2,4-toluene diisocyanate.
为合成新型热致液晶脲,以含液晶基元的联苯二胺(或联邻苯胺)、1,6-己二胺、2,4-苯二异氰酯为原料进行合成。
Experiments show that the two-polyurea grease with good reducing noise effect can be got with low viscidity cycloparaffin mineral oil as base oil and TDI,fat amic and cycloparaffin amic as ...
通过实验证明,采用低粘度的环烷基矿物油作为基础油,采用TDI、脂肪胺、环烷胺作为稠化剂,通过控温慢冷和循环剪切方式,可以制得具有良好降噪声效果的二脲润滑脂。
Unlike traditional latex or acrylic coatings, polyurea, as a suitable waterproofer even under seawater immersion, is in no way influenced by ponding water, which is very often on existing roofs.
优于丙水涂料的主要一点是脲的耐积水性能,而屋面积水在国内非常普遍。
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