Flame-retardant chemical-resistant dimensional-stable PC composite material and preparation method thereof

The invention discloses a flame-retardant chemical-resistant size-stable PC composite material and a preparation method thereof.The flame-retardant chemical-resistant size-stable PC composite material is prepared from, by weight, 40-75 parts of PC, 10-20 parts of PET and 10-30 parts of PCTG; the preparation method comprises the following steps: uniformly mixing the components according to the ratio, adding from a main feeding port of a double-screw extruder, and carrying out melt extrusion to obtain the flame-retardant chemical-resistant size-stable PC composite material. The preparation method disclosed by the invention is simple, and the prepared PC composite material has the characteristics of excellent chemical resistance, low shrinkage, stable size and the like, and can be applied to the fields of control panels of large medical equipment and the like. 本发明公开了一种阻燃耐化学性尺寸稳定PC复合材料及其制备方法，阻燃耐化学性尺寸稳定PC复合材料按重量份数计，包括PC 40-75份、PET 10-20份、PCTG 10-30份；制备方法为：按配比将各组分混合均匀后，从双螺杆挤出机的主喂料口加入，熔融挤出，即得阻燃耐化学性尺寸稳定PC复合材料。本发明的制备方