Disclosed herein are a melt-stable poly(arylene thioether-ketone) having predominant recurring units of the formula
and having a melting point, Tm of 310-380°C, a residual melt crystallization enthalpy, ΔHmc (420°C/10 min) of at least 10 J/g, a melt crystallization temperature, Tmc (420°C/10 min) of at least 210°C, and a reduced viscosity of 0.2-2 dℓ/g as measured at 25°C and a polymer concentration of 0.5 g/dℓ in 98 wt.% sulfuric acid as well as a production process of the poly(arylene thioether-ketone). The poly(arylene thioether-ketone) has melt stability so that conventional melt processing techniques can be applied easily. The poly(arylene thioether-ketone) is a highly-crystalline polymer whose density is at least 1.34 g/cm³ when annealed at 280°C for 30 minutes.
本文公开了一种熔融稳定的聚芳基
硫醚酮,其主要递归单元为以下式子
其熔点 Tm 为 310-380°C,残余熔融结晶焓 ΔHmc (420°C/10 min) 至少为 10 J/g,熔融结晶温度 Tmc (420°C/10 min) 至少为 210°C,在 25°C 时测得的还原粘度为 0.2-2dℓ/g,聚合物浓度为 0.5 g/dℓ in 98 wt.% sulfuric acid,以及聚(芳基
硫醚酮)的生产工艺。聚(芳基
硫醚酮)具有熔融稳定性,因此可以很容易地应用传统的熔融加工技术。聚(芳基
硫醚-酮)是一种高结晶聚合物,在 280°C 退火 30 分钟后,其密度至少为 1.34 g/cm³。