The invention further provides novel bisphenols and their use for preparing (co) polycarbonates.
本发明还提供了新的双酚和其用于制备(共)聚碳酸酯的应用。
2
Enclosure is made of casting aluminum alloy with little distortation and high intensity; transparent guard is made of moulded high-intensity polycarbonates;
壳体采用特殊铝合金压铸而成，其变形量小，强度高；透明罩采用高强度聚碳酸脂模压成型；
3
The first chapter of this thesis gives a general introduction to biodegradable aliphatic polycarbonates including their structures, syntheses and applications.