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- The method of sulfomethylation modification of bayberry tannin extract was investigated. 研究了毛杨梅栲胶的磺甲基化改性方法。
- Keywords bayberry tannin extract;sulfomethylation;tanning agent; 毛杨梅栲胶;磺甲基化;鞣剂;
- bayberry tannin extract 杨梅栲胶
- At pH=6.0, the adsorption capacity of Cd(II) on immobilized bayberry tannin was 0.201mmol/g at 303K. 当pH为6.;0时;固化杨梅单宁在303K时对Cd~(2+)的吸附容量为0
- Using Hg2+ and Pb2+ as examples, the adsorption capacity of immobilized bayberry tannin membrane to heavy metal ions was investigated. 以Hg2+和Pb2+为对象,对固化杨梅单宁膜吸附性能进行研究。
- At first, the adsorption behaviors of Cd(II) on collagen fiber immobilized black wattle tannin, larch tannin and bayberry tannin were investigated. 首先研究了胶原纤维固化黑荆树单宁、固化落叶松单宁和固化杨梅单宁对Cd(II)的吸附特性。
- The adsorption capacities of Cr(VI), Pb(II), Cd(II), Hg(II), Pt(II), Pd(II), V(V), Bi(III) and Mo(VI) on the immobilized bayberry tannin were determined. 树皮、改性活性炭及生物质对Pb(II)和Cd(II)的吸附容量分别为46-110mg/g和46-58mg/g。 合成树脂对Pt(II)和Pd(II)的吸附容量为55.;6mg/g和20-100mg/g。
- At 303K, when the initial concentration of UO22+ was 298.94mg/L, the equilibrium adsorption capacity of the immobilized bayberry tannin membrane was 61.14mg(UO22+)/g. 在303K及UO22+的初始浓度为298.;94 mg/L时;膜材料的平衡吸附量为61
- Their combination with tanning agents Cr, Al, HCHO and vegetable tannin extract was also studied. 同时研究了它们与铬、铝、甲醛和栲胶等鞣剂的结合稳定性及其产生的助鞣作用。
- Influencing factor was discussed for tannin extract solution absorb and regenerate by tannin extract method in production. 主要讨论栲胶法脱硫在生产中对栲胶溶液吸收和再生的诸多影响因素。
- Using the syntan to pretan vegetable-tanned sole leather ,the quantity of tannin extract can be reduced in vegetable tanning. 该合成鞣剂用于植鞣底革的预鞣,可减少植鞣时栲胶的用量。
- The standard method of determining tannin was used to analyze intensive sulfitation tannin extract and the results showed there was only 3. 应用鞣质测定的标准方法对重度亚硫酸化改性栲胶进行分析;其鞣质含量仅为3.;2%25;而鞣质的定性试验却表明滤液中仍存在大量的鞣质。
- Vegetable tannin extracts have been widely used in leather industry. 摘要栲胶已在制革工业获得了广泛的应用。
- Skin of curry raw material basically is to grow at semi-tropical southern pigskin and southern buffalo skin, tannin extract raw material is more than mandarin orange and Yang Mei two kinds. 制革原料皮主要是生长于亚热带的南方猪皮和南方水牛皮,栲胶原料为余柑和杨梅两种。
- The modified larch bark tannin extracts can be used in production of bakelite bond. 可应用于酚醛树脂绝缘板的黏合剂生产。
- Meanwhile, the modification approaches of vegetable tannin extracts for the purpose of combination tanning are described. 同时,总结了有利于实施结合鞣的栲胶改性方法。
- The high sulfitated larch bark tannin extracts are more available to decrease the solution viscosity than the alkali treated extracts. 高度亚硫酸化的改性落叶松栲胶相比碱处理的改性落叶松栲胶更有效地降低其黏度和相对分子质量。
- The modified larch bark tannin extracts can be used in production of bakelite bo... 可应用于酚醛树脂绝缘板的黏合剂生产。
- The key technique of the new process of tannin extraction from black wattle bark is to divide the extraction into two steps. 采用分段浸取新工艺是黑荆树皮单宁提取的关键技术。
- This paper reviews the combination tannages on the basis of vegetable tannin extracts,includingtheirreactionmechanisms and technological processes. 本文对各种以栲胶为基础的结合鞣法进行了综述,阐述了结合鞣的反应机理、工艺过程。