铬鞣

  • 网络Chroming;chrome tanning;chrome tannage
铬鞣铬鞣
  1. CO2超临界流体技术在制革铬鞣中的应用研究

    Application Study on Technology of CO _ 2 - Supercritical Fluid in Chrome Tanning

  2. 氯化钠和铬鞣剂对厌氧微生物毒性的研究

    Study on the toxicity of sodium chloride and chrome tanning agent on anaerobic microbe

  3. 碱式消解法测定铬鞣剂中Cr(Ⅵ)含量

    Determination of Cr (ⅵ) Content in Chrome Tanning Agent by Alkaline Digestion

  4. 改性羽毛处理铬鞣废水中Cr(Ⅲ)的研究

    Treatment of Cr ( III ) in Tanning Wastewater by Modified Feather

  5. ~(60)Coγ射线辐射引发铬鞣皮(兰湿皮)与丙烯酸正丁酯的接枝共聚

    Radiation - induced graft copolymerization of N - butyl acrylate onto chrome - tanned skin

  6. 金属元素自动分析仪测定铬鞣剂中痕量Cr(Ⅵ)的研究

    Determination of trace chromium (ⅵ) in chrome tanning agents by automatic metal elements analyzer

  7. 提出了自动参比流动注射法,对铬鞣剂中的痕量Cr(Ⅵ)的测定。

    A new method was proposed for determining trace chromium (ⅵ) in chrome tanning agents by automatic metal elements analyzer .

  8. 报道了以氨三乙酸存在下锰催化KIO4氧化结晶紫的反应指示终点,结晶紫电极作指示电极用催化电位滴定法测定铬鞣剂中Cr的方法。

    A method of catalytic potential titration for the determination of chromium ? by using crystal violet ion selective electrode is reported .

  9. CO2超临界流体代替水作介质铬鞣机理的研究(3)&CO2超临界流体条件下铬鞣初始pH值和温度的优化

    Chrome Tanning under the Condition of Supercritical CO_2 Fluid ( 3 ): the optimum initial pH and temperature for SCF-CO_ ( 2 ) Chrome Tanning

  10. 明胶与不浸酸铬鞣剂作用的粒径及Zeta电位研究

    Grain Size and Zeta Potential of Gelatin Reacting with No-pickling Chrome Tanning Solution

  11. 用高浓度的植物鞣液鞣制裸皮,不会发生过鞣现象;同理,高pH值状态下的高浓度铬鞣,也不会产生过鞣现象。

    Overtanned leather can 't be produced in leather tanning by high concentration tannin , as the same as in high pH chrom tanning with high concentration .

  12. 用高分子聚酯PS药剂,能有效地除去铬鞣废液中可溶性油脂、蛋白质和其他杂质。

    The soluble greases , proteins and impurities in used chrome liquor can be effectively eliminated with a high molecular polyester PS.

  13. 本文报道了在~(60)Coγ射线辐照下,引发铬鞣皮与丙烯酸正丁酯的接枝共聚反应及其对皮革的填充作用。

    This paper reports the radiation-induced graft Copolymerization of n-butyl acrylate onto Chrome-tanned skin by ~ ( 60 ) Co γ - ray and its filling effect .

  14. CO2超临界流体介质中酶脱毛后铬鞣的革,在本实验条件下其收缩温度达到95℃左右,高于常规酶脱毛后铬鞣的革。

    The shrinkage temperature of the leather tanned with chrome after enzyme unhairing in SCF-CO_2could reach 95 ℃, higher than that in the contrasted conditions .

  15. 研究了高pH值铬鞣、无浸酸(助剂)铬鞣、常规浸酸铬鞣及无盐浸酸铬鞣4组鞣前准备条件不同情况下的铬鞣。

    This paper studies four preparations before chrome tanning , such as high pH chrome tanning , non pickling ( auxiliary agent ) chrome tanning , common pickling and non salt pickling chrome tanning .

  16. 重点研究了浸灰碱废液循环利用技术,铬鞣废液循环利用技术,以及与之配套的复鞣、加脂工艺技术。层析Al2O3循环利用方案

    The emphases are effluent recycling technology , the balance of effluent recycling and the retanning and fatliquoring process . Experimental Study on Al_2O_3 Recycle Use and Treatment and Its Pillar Chromatography

  17. 其中包括氧化脱毛、高pH值铬鞣、促进铬吸收的胶原改性、粉沫涂饰、化学摔软、超声波在制革工业中的应用等。

    The contents introduced include oxidization unhairing , chrome tanning with high pH value , chemical modification of hide , powder coating for leather finishing , chemical milling and application of ultrasound in leather industry .

  18. 采用碱式消解法测定铬鞣剂中的Cr(Ⅵ)含量。该方法能够有效的抑制铬鞣剂中的Cr(Ⅲ)与Cr(Ⅵ)之间的转化。

    The Cr (ⅵ) content in chrome tanning agents was determined by the method of alkaline digestion , which could effectively restrain the oxidation and reduction between Cr (ⅲ) and Cr (ⅵ) .

  19. 经工艺应用试验表明:MS助剂不仅对铬鞣过程有明显的交联吸铬作用,而且对革纤维有良好的加脂助软效果。

    Applied experiment shows : MS aids not only have marked function crosslinking and chromium absorbing in chrome tanning process , but also have good effect of fatliquoring and making leather fibre soft .

  20. 结果表明,在一定pH值条件下,超声波作用可提高无铬鞣试样的Ts,且可缩短鞣制时间,提高效率。

    The results indicated that at certain pH the ultrasonic wave assistant tanning increased the Ts of the leather , furthermore the tanning time was shortened thus the tanning effect increased .

  21. 用加碱沉淀法处理制革铬鞣废水时,MgOCaO(1∶4,w∶w)取得较好的处理效果,其机理包括调节pH与混凝沉淀。

    MgO / CaO ( 1 ∶ 4 , w ∶ w ) is an effective chemical for the treatment of Cr contained tannery effluents . The mechanisms include pH adjustment and flocculation .

  22. 铬鞣助剂OXD-I的应用工艺优化及高吸收铬鞣机理研究

    Technics Optimization and High Exhaustion Chrome Tanning Mechanism for OXD-I Auxiliary

  23. YL助鞣剂与三价铬盐配位过程及其在铬鞣中的应用研究

    Study on the Mechnism of YL Polyacrylate Auxiliary Tanning Agent Coordinating with Trivalent Chromium and Its Application in Chromium Tanning Process

  24. 脂肪醛AAT在铬鞣软革及无铬鞣软革中的应用

    Application of a Novel Fatty Aldehyde Tanning Agent ( AAT ) in the Manufacture of Chrome-Tanned and Chrome Free-Tanned Leathers

  25. 结果表明:用5%Ca(OH)2对铬鞣皮渣进行30分钟煮沸处理是理想脱铬方法,脱铬率达99.99%,蛋白回收率达74.95%。

    The results showed the optimum method of de tannery was boiling tannery leather scraps with 5 % Ca ( OH ) _2 for 30 minutes . The rate of de tannery and protein recovery were 99.99 % and 74.95 % respectively .

  26. 免浸酸铬鞣剂NPC-1的制备及应用研究

    Preparation and Application of Chrome Tanning Agent NPC-1 without Pickling

  27. 不浸酸铬鞣剂C-2000的应用研究

    Studies on Chrome Tannage Without Pickling by C-2000 Tanning Agent

  28. C-2000铬鞣剂的应用试验研究

    Study on application and properties of C - 2000 chrome tanning agent

  29. 大分子铬鞣助剂ECPA的高吸收铬鞣机理研究

    The High Exhaustion Chrome Tanning Mechanism of Macromolecular ECPA Auxiliary

  30. 不浸酸铬鞣技术研究不浸酸铬鞣液C-2000的组分分析

    Study on the Composition of No-pickling Chrome Tanning Solution C-2000