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- auxiliary for chrome tanning 铬鞣助剂
- crosslinking and automatic basifying agent for chrome tanning 铬鞣交联自动提碱剂
- The high exhaustion chrome tanning mechanism of ECPA auxiliary was explored by means of investigating the interaction among the auxiliary,collagen and the chrome tanning agent. 通过研究大分子铬鞣助剂ECPA与皮胶原、铬鞣剂间相互作用以及ECPA助鞣的革坯铬结合牢度,探讨了ECPA的高吸收铬鞣机理。
- Depending on the different characters, it can be used as the chrome tanning auxiliary and pretanning agent, and in combination with vegetable tanning agents. 根据不同的特性作为铬鞣助剂、预鞣剂以及与植物鞣剂结合鞣等用途。
- The auxiliary agents that assisted in chrome uptaking during tanning process were reviewed and analysed. The authors believed that there is a vast developing space for less chrome tanning. 对能够提高铬鞣效率的化学助剂进行回顾和理论分析,认为少铬鞣法具有广阔的发展前景。
- CHROME TANNING: exploding the perceived myths preconceptions and received wisdom. 对铬鞣过程的重新认识。
- The status, the main problems and their solutions of chrome tanning and chrome-free tanning were reviewed. 摘要综述了铬鞣及无铬鞣现状;分析了这两类鞣法存在的主要问题及解决问题的方向。
- The treatment of chrome tanning waste water is the focal point of single term control for tannery's waste water. 含铬废水的处理是制革厂废水单项治理的重点。
- An independent contractor is not regarded as an auxiliary for the purposes of this Article. 独立承揽人不作为本条的辅助者对待。
- Abstract: The methods to determine the chrome content of waste liquor of modified two-bath chrome tanning process were studied by chemical analysis. 文摘:研究了变型二浴法的鞣制废液中,铬含量测定的化学分析方法。
- The pelt of steer hide was preliminary split, and processed into wet blue by using 4% of chrome tanning agent baSed on the pelt weight. 盐腌皮被片皮后,再用生皮重4%25的铬鞣剂对其进行加工,然后,对蓝湿皮进行剖层,削匀,及不含铬的复鞣剂复鞣。
- Except for lower grain strength modified two-bath chrome tanning possesses better physical mechanical properties than general chrome tanning does. 从常规铬鞣与变型二浴铬鞣对比表明,除粒面强度较低外,后者有较好的物理机械性能。
- The pick pelts processed with the hydrolyses before chrome tanning can give leather fine grains but with poor filling effect. 用水解物预处理铬鞣的皮粒面细致,但水解物的填充作用不明显,水解物用量过多时,铬鞣后的皮收缩温度低,革扁薄。
- This paper introduces some methods for recovering chromium from chrome tanning waste water,compares the merits and demerits of these methods ,and analyses their economic benefit. 文章介绍了回收铬鞣液中铬的几种方法,并对这几种方法的优缺点及其经济效益进行了分析比较。
- Three schemes of glucosed-reduced chrome tan Liquor recycling in pickling-tanning sys tem were studied by means of IEC and GRC methods. 本文采用离子交换色谱法和凝胶过滤色谱法对三种方案的葡萄糖还原铬鞣液浸酸铬循环废液进行了研究。
- At present,the hurtless treatment for chrome slag is undergoing in many chromate plants in China. 目前,许多铬盐厂正在进行铬渣无害化处理,速度快的已基本完成。
- Rotundine was used as chiral auxiliary for NMR analysis of racemic carboxylic acids and it turned out to be an effective chiral solvating agent(CSA). 以罗通定为手性溶解剂,用核磁共振方法分析了几种外消旋羧酸。
- The method of treatment chrome tanning effluent is introduced.By recovery and circular use of chromium in efluent,the good environmental efficacy and the economic efficacy can be obtained. 介绍了对制革铬鞣废液的处理方法,由于将废液中能够污染环境的铬回收循环利用,从而取得了较好的环境效益和经济效益。
- The retrospect of chrome tanning agent development is presented in this paper, and the important powder products of home and abroad are listed. The perspective of chromitan is proposed. 本文回顾了铬鞣剂的进展和研究状况,列举了国内外主要的铬鞣粉剂产品及其性能,并提出铬鞣剂的发展前景。
- This series products are the absolutely necessary auxiliary for polyester fast spinning POY. It can also be used to multi-formulate with many other chemical fiber oleums. 本品是涤纶高速纺POY必不可少的助剂,同时可以多元复配其它各种化纤油剂。