Improvement on properties of Chinese lacquer by polyamidoamine,Polymer Engineering and Science

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Improvement on properties of Chinese lacquer by polyamidoamine
Polymer Engineering and Science ( IF 3.2 ) Pub Date : 2020-03-19 , DOI: 10.1002/pen.25371
Ding Zhang _{1,

2} , Jianrong Xia ₁ , Hanyu Xue ₁ , Yuchi Zhang ₁ , Qi Lin ₁

Affiliation

In this study, polyamidoamine (PAMAM) was added to raw lacquer in different proportions, and the curing process and properties of lacquer film were investigated by using thermogravimetric analysis (TGA), Fourier transform infrared spectroscopy (FT‐IR), and scanning electron microscopy (SEM). To investigate the cross‐linking state between PAMAM and urushiol, NMR was used in this study. The experiments revealed that the comprehensive mechanical properties of modified‐film, especially the impact strength, were significantly improved. In addition, the touch‐free drying time of lacquer film decreased, and its alkali resistance was improved due to the cross‐linking of PAMAM and urushiol molecules.

更新日期：2020-03-19

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