The processability of polyesters could be improved significantly after incorporating stiff chain segment through copolymerization of aliphatic polyester with aromatic liquid crystal element.
在聚酯中引入刚性链段（即将脂肪族聚酯与芳香族、液晶基元共聚合）可改善聚酯的加工性能；
2
The product is two layers of limpness composite material of polyester thin film coated with bonding agent and single surface bonding of calendaring aromatic polyamide fiber paper.
该产品是由聚酯薄膜涂以胶粘剂，单面粘合轧光聚芳酰胺纤维纸而成的二层柔软复合材料。
3
The liquid crystalline polyester fibers exhibit higher comprehensive properties than wholly aromatic polyamide fibers.