1) chroming machine
铬鞣机
2) chrome tanned mechanics
铬鞣机理
1.
Chromic sulfate,sodium formate and formate acid react with hydrolysis collagen were investigated by fluorescent method to get the more evidence of understanding chrome tanned mechanics.
通过荧光光度法,用硫酸铬、甲酸钠及甲酸与水解胶原作用,为认识铬鞣及铬鞣机理提供更多的证据。
3) chrome tanning
铬鞣
1.
Physical Mechanical Properties of Pig Garment Leather——alkali enzyme on butt and chrome tanning;
猪皮服装革的物理机械性能——碱、酶臀部处理、铬鞣方法的影响
2.
It included enzyme unhairing,sodium hydroxide based fibre opening and pickle and basification-free chrome tanning process.
介绍了一种三步铬鞣山羊面革的加工方法,即:酶脱毛,NaOH打开皮纤维和无浸酸、无提碱铬鞣。
3.
The verifying investigation of the mechanismof traditional chrome tanning was carried out in this paper in order to understandbetter the mechanism of chrome tanning in supercritical carbon dioxide fluid.
为了更好地了解在二氧化碳超临界流体下铬鞣机理 ,采用对比实验法对常规铬鞣的基本原理进行了印证性研究。
4) chrome tannage
铬鞣
1.
In recent years, attention has been drawn to the pollution of chrome tannage.
为提高铬鞣中铬盐的利用率 ,本实验探讨了不同二羧酸盐对铬鞣的影响 ,研究了在交联铬鞣法中工艺应注意的问题 ,并利用二羧酸盐与自动提碱剂复配成高吸收助剂用于铬鞣后期的提碱 ,实验证明可简化生产工艺 ,降低废液的含铬量 ,使铬盐的利用率达到 95 %以上 ,达到清洁化生产的目的。
2.
hi a long time in the future, chrome tannage is still the most important tanning method.
在各种鞣剂中，鞣制效果最好的当属铬鞣剂，它有着其它鞣剂无法比拟的优越性能，在相当长的一段时间内，铬鞣法仍然是最主要的鞣制方法。
5) chrome free or chrome less-tanned leather
无铬少铬鞣
6) chrome tanning agent
铬鞣剂
1.
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).
采用碱式消解法测定铬鞣剂中的Cr(Ⅵ)含量。
2.
Using H2SO4 as acidulant,chromic sulfate with high purity was obtained by crystallization,which was applied to leather industry as chrome tanning agent.
将电镀废水中的六价铬还原成Cr(III),用化学沉淀法和絮凝法将其转化为Cr(OH)3沉淀,通过硫酸酸化,结晶为高纯硫酸铬,作为皮革工业的铬鞣剂。
3.
The chrome tanning agent was prepared with some wastewater produced from perfume factories contained high concentration organic acid as reducing agent and masking agent by which part of glucose was replaced.
利用香料厂排放的高浓度有机酸废水部分代替葡萄糖作还原剂和蒙囿剂,制备铬鞣剂,并对制备出的鞣剂的理化性能及鞣制性能,进行综合分析。
补充资料：铬铝鞣
分子式：
CAS号：
性质：用碱式硫酸铬、钾明矾、硫酸铝等结合鞣制毛皮的方法。按操作可分为先铬后铝，先铝后铬和铬铝同浴鞣。以先铬后铝鞣法效果最好，皮板洁白柔软，延伸性好，耐水和抗温性能亦佳。鞣剂用量视毛皮品种和用途而定。一般工艺参数为Cr2O30.5～3g/L，Al2O31～3g/L，溶液pH值3.7～4.0，鞣制温度32～36℃，时间24～48h。
CAS号：
性质：用碱式硫酸铬、钾明矾、硫酸铝等结合鞣制毛皮的方法。按操作可分为先铬后铝，先铝后铬和铬铝同浴鞣。以先铬后铝鞣法效果最好，皮板洁白柔软，延伸性好，耐水和抗温性能亦佳。鞣剂用量视毛皮品种和用途而定。一般工艺参数为Cr2O30.5～3g/L，Al2O31～3g/L，溶液pH值3.7～4.0，鞣制温度32～36℃，时间24～48h。
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参考词条