Polycarbonate resin and method for producing same
AssigneeMitsubishi Gas Chemical Company, Inc.
InventorShun Ishikawa
Life of this patent
Estimating the term…
Loading patent…
AssigneeMitsubishi Gas Chemical Company, Inc.
InventorShun Ishikawa
Estimating the term…
The purpose of the present invention is to provide: a polycarbonate resin which has a narrow molecular weight distribution and in which the formation of low molecular weight oligomers is suppressed; and a method for producing the polycarbonate resin. According to the present invention, provided are a polycarbonate resin containing a structural unit represented by general formula (1), wherein the molecular weight distribution value (Mw/Mn) is 6.0 or less, and the content of oligomers having a molecular weight of less than 1,000 is suppressed to 0.50 mass % or less; and a method for producing the polycarbonate. (In general formula (1), R1-26 represent hydrogen, fluorine, chlorine, bromine, iodine, a C1-9 alkyl group, a C6-12 aryl group, a C1-5 alkoxy group, a C2-5 alkenyl group, or a C7-17 aralkyl group).
A method for producing a polycarbonate resin comprising a structural unit represented by general formula (1) below, wherein a molecular weight distribution value (Mw/Mn) is 6.0 or less and a content of oligomers having a molecular weight of less than 1,000 is 0.50 mass % or less:
Dependencies are inferred from the claim text.