Studies on The Mechanism of Combination Tanning - Characteristics of Leather Tanned With Rare Earth - Vegetable Tannin Extract

结合 鞣机理研究&稀土-植鞣革特征

Study on Preparation and Tanning Properties of Amphoteric Vegetable Extract

两性植物 鞣 剂的制备及其 鞣制性能的研究

The optimal tanning conditions were obtained : 4 % syntan DDS for pretanning 10 % mimosa extract for tanning and 2 % modified glutaraldehyde for retanning ;

在试验基础上确定较优化的 结合 鞣条件为：4%合成鞣剂DDS预鞣，10%的荆树皮 栲胶鞣制，再用2%的改性戊二醛复鞣。

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。

The leather tanned with rare earth has a shrinkage temp 62 ℃ and 83 ℃ with vegetable tanning extract and then 102 ℃ with rare earth - vegetable tannin extract . The combination tanning leather has also good handle and strength .

单独稀土鞣革的收缩温度为62℃.植鞣的收缩温度为83℃，而两者结合 鞣为102℃，并且这种结合鞣革有良好的手感及强度。

The combination tanning nature and the thickness of leather are related directly to the molecular weight distribution of degraded wattle extract .

结合 鞣中植物 鞣质分子量大小和分布与 鞣性、增厚率有直接的关系。

Tanning Agent Prepared by Degradation of Acorn-cup Quebracho Extract Molecular of Metallic Complexation

橡碗 栲胶分子降解&金属络合制造 鞣剂木素磺酸钠对坚木栲胶的改性研究

Through the experiments the reaction conditions of each tanning agent were confirmed and then the tanning capability of the combination tannage between extract and aluminium tanning agent was studied .

首先通过实验选定无铬鞣制所用鞣剂及其作用条件，然后研究了植物 鞣剂与铝鞣剂的结合 鞣性能。

This paper have studied vegetable tanning technology of cowhide light leather with modification volanea extract for chief tanning agent and with yellow cow taw for raw skin .

探索了用橡木宛 栲胶植鞣黄牛皮沙发革的工艺，分析测试了所鞣坯革的物理及感观性能，为植 鞣牛皮轻革产品提供了一些理论与实验依。