| abstract |
An object of the present invention is to provide a polycarbonate resin having a high content of biogenic substances, excellent moisture absorption resistance, heat resistance, thermal stability, moldability, and high surface energy. The present invention relates to a polycarbonate resin containing 30 to 100 mol% of units represented by the following formula (1) in the entire main chain, and (i) a biological The source substance content rate is 25% to 100%. (ii) The solution obtained by dissolving 0.7g of resin in 100ml of methylene chloride has a specific viscosity of 0.2 to 0.6 at 20°C. (iii) The OH value is 2.5×10 3 or less. |