A novel type of polyurethane elastomer (PUE) containing nanocomposites of sodium alginate thiacalix[4]arene macrocycles including sodium alginate-thiacalix[4]arene and sodium alginate-tetra-sulfonated thaiacalix[4]arene (SA-TSTCA) was prepared. The key role of these nanocomposites merged into polyurethane elastomers is to function as chain extenders. To provide profound insight into the structural, thermal, mechanical, morphological and hydrophilic properties of the samples, several techniques were employed, namely Fourier transform infrared spectroscopy, thermal gravimetric analysis, scanning electron microscopy (SEM) and differential scanning calorimetry (DSC). Also the results were compared with the results of polyurethane elastomer based on glycerol (Gly) as chain extender. The results showed that the samples extended with nanocomposites as chain extender have better thermal and mechanical properties and between them the PUE containing SA-TSTCA showed higher thermal and mechanical properties. Furthermore, these elastomers have been used as adsorbent for removal of Malachite green (MG) for investigation of the effect of sulfonated groups introduced on the chain extender. The results revealed that SA-TSTCA-based polyurethane elastomer nanocomposite could well adsorb Malachite green from aqueous media by a batch adsorption method. The pseudo-first-order and pseudo-second-order kinetic models were employed to provide an in-depth study of the adsorption capacity of MG, suggesting that its adsorption onto PUE/SA-TSTCA elastomer was in accordance with pseudo-second-order kinetic process. A possible mechanism of adsorption was suggested where π–π stacking interactions, H-bonding interaction and electrostatic attraction controlled the MG adsorption.

制备了一种新型的聚氨酯弹性体（PUE），其中包含藻酸钠-噻唑烷[4]芳烃和藻酸钠-四磺化thaicalix [4]芳烃钠（SA-TSTCA）的纳米复合物。这些纳米复合材料并入聚氨酯弹性体的关键作用是充当增链剂。为了深入了解样品的结构，热，机械，形态和亲水特性，采用了几种技术，即傅立叶变换红外光谱，热重分析，扫描电子显微镜（SEM）和差示扫描量热法（DSC）。还将该结果与基于甘油（Gly）作为扩链剂的聚氨酯弹性体的结果进行了比较。结果表明，以纳米复合材料为扩链剂进行扩链的样品具有较好的热学和力学性能，其中含有SA-TSTCA的PUE具有较高的热学和力学性能。此外，这些弹性体已被用作吸附剂以去除孔雀石绿（MG），以研究引入到扩链剂上的磺化基团的作用。结果表明，SA-TSTCA基聚氨酯弹性体纳米复合材料可以通过间歇吸附法很好地吸附水性介质中的孔雀石绿。利用伪一级和伪二级动力学模型对MG的吸附能力进行了深入研究，表明其在PUE / SA-TSTCA弹性体上的吸附符合伪二级。动力学过程。