With the increasing of BP molar fraction, the melting point presents a down and up trend whereas the lowest melting point turns out at a point where the molar fraction of biphenyl is 20%.

• 聚合物的熔点随联苯含量的增加呈先下降后上升的变化规律，体系在联苯含量为20%25处出现最低共熔点。