| 摘要 |
A plastic substrate for display, having little coloration and excellent in optical characteristics, heat resistance, resistance to thermal coloration and mechanical properties, and a display element using the same are provided. The plastic substrate for display comprises a fumaric acid diester resin which comprises 60 mol % or more of a fumaric acid diester residue unit represented by the following formula (1): wherein R1 and R2 each independently represent a branched alkyl group or a cyclic alkyl group, having 3-12 carbon atoms, and has a number average molecular weight of 1,000-500,000 as determined by a gel permeation chromatography and converted into standard polystyrene, the substrate having a thickness 30-600 mum.
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