In this research chitosan/gelatin/starch films with a 47.5/47.5/5.0 (vol.%) composition were prepared by a solution casting method. To improve the mechanical and rheological properties of the chitosan-based films, two types of chemical crosslinkers, sodium triphosphate (STP) and calcium triphosphate (CTP), were used and the effects of these crosslinkers on the mechanical properties, swelling, water vapor transmission rate (WVTR) and the rheological-mechanical spectroscopy (RMS) of the films were investigated. For each crosslinker, two concentrations (0.05 and 0.1 wt% solutions) were used. The tensile test results showed that the samples with 0.05 wt% of STP or 0.1 wt% of CTP, had the best performance in enhancing the tensile strength and modulus of the films. The swelling tests indicated that 0.05 wt% of STP had the lowest swelling, and the performance with 0.1 wt% of CTP was also good. The results of the WVTR tests revealed that 0.05 wt% of STP and 0.1 wt% of CTP had the least and the most WVTR, respectively. Also, antibacterial tests were evaluated for the films based on an inhibition zone technique, and the results showed that the films containing the STP crosslinker has the best antibacterial activity. The RMS results indicated that the rheological properties of the films were enhanced by incorporating the crosslinkers, especially 0.1% concentration of CTP, into the film formulations.

在该研究中，通过溶液流延法制备具有47.5 / 47.5 / 5.0（体积％）组成的壳聚糖/明胶/淀粉膜。为了改善壳聚糖基薄膜的机械和流变性能，使用了两种化学交联剂，即三磷酸钠（STP）和三磷酸钙（CTP），并且这些交联剂对机械性能，溶胀，水蒸气透过率有影响研究了薄膜的速率（WVTR）和流变-机械光谱学（RMS）。对于每种交联剂，使用两种浓度（0.05和0.1 wt％的溶液）。拉伸试验结果表明，具有0.05重量％的STP或0.1重量％的CTP的样品在增强膜的拉伸强度和模量方面具有最佳性能。溶胀试验表明，0.05％（重量）的STP溶胀最低，CTP为0.1 wt％时的性能也很好。WVTR测试的结果表明，0.05重量％的STP和0.1重量％的CTP分别具有最小和最大的WVTR。此外，基于抑制区技术对薄膜进行了抗菌测试，结果表明，含有STP交联剂的薄膜具有最佳的抗菌活性。RMS结果表明，通过将交联剂（尤其是0.1％的CTP浓度）掺入薄膜配方中，可以提高薄膜的流变性能。结果表明，含STP交联剂的薄膜具有最佳的抗菌活性。RMS结果表明，通过将交联剂（尤其是0.1％的CTP浓度）掺入薄膜配方中，可以提高薄膜的流变性能。结果表明，含STP交联剂的薄膜具有最佳的抗菌活性。RMS结果表明，通过将交联剂（尤其是0.1％的CTP浓度）掺入薄膜配方中，可以提高薄膜的流变性能。