铬鞣
- 网络Chroming;chrome tanning;chrome tannage
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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
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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
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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
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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
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~(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
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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
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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 .
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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 .
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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
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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
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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 .
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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.
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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 .
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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 .
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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 .
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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
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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 .
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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) .
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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 .
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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 .
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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 .
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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
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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
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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
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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 .
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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
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不浸酸铬鞣剂C-2000的应用研究
Studies on Chrome Tannage Without Pickling by C-2000 Tanning Agent
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C-2000铬鞣剂的应用试验研究
Study on application and properties of C - 2000 chrome tanning agent
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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
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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