FLAME RETARDANT POLYCARBONATE BLEND SHEET, ITS PREPARATION AND PRODUCTS USING IT

摘要

A flame retardant polycarbonate blend sheet is provided to ensure strong initial combustion resistance, excellent transparency, processability and fire retardancy and to minimize the generation of gas harmful for the human body in combustion. A flame retardant polycarbonate blend sheet is mixed with 1,4-cyclohexanedimethanol-containing polyester resin having fire retardancy and polycarbonate resin. The 1,4-cyclohexanedimethanol-containing polyester resin having fire retardancy is a resin composition copolymerized by performing the polycondensation so that the total amount of diol components based on 100 mole % of diacid is 100 mole %. The diol components comprise 1,4-cyclohexanedimethanol 30~80 mole %, diol component 5~69 mole % except for 1,4-cyclohexanedimethanol, and phosphorous-based flame retardant 1~15 mole % indicated as the chemical formula 1 or the chemical formula 2.