Abstract
The direct preparation of polyimide belts from nylon salt-type monomer solution by rotational molding was examined in order to mold the polyimide belts efficiently. The polyimide seamless belts could be copolymerized directly from a mixed solution consisting of symmetric nylon salt-type monomer (Y) solution and an asymmetric nylon salt-type monomer (X) solution by rotational molding. The reason is that the blend with the asymmetric nylon salt-type monomer (X) prevented the formation of powder caused by the crystallization of the polyimide film. The polyimides were compared with those of the two-step synthetic method that went through polyamic acid (PAA) of high molecular weight both the chemical structure and mechanical properties of the polyimide belts derived from the nylon salt-type monomer were the same as those of the polyimide belts prepared from PAA, and had equivalent mechanical strength. The manufacture of the electroconductive polyimide belts was possible directly from the nylon salt-type monomer solution in which the carbon black (CB) was uniformly dispersed. The above method is thus proposed as a new forming technique for an intermediate transfer belt of polyimide.
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Nishiura, N., Murakami, T., Okamoto, K. et al. Direct Formation of a Polyimide Seamless Belt from Nylon Salt-type Monomer. Polym J 37, 145–153 (2005). https://doi.org/10.1295/polymj.37.145
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DOI: https://doi.org/10.1295/polymj.37.145