Nano-scale bicontinuous network structure of block copolymer with immiscible polymer chain segments and application thereof

摘要

The present invention relates to a phase separated bicontinuous polymeric network structure of block copolymer with two phases interpenetrating each other. The width of each phase is 0.3 to 5 nm, respectively. The polymer chain segments in one of the continuous network phase are aligned in an extended ordered array. The other polymer chain segment of the same block copolymer is in an amorphous physical state, which constitutes the other continuous network phase. Polymeric materials made of this nano-scale bicontinuous network is a novel material exhibiting desired properties such as high clarity, high tensile strength and modulus, high toughness, good solvent cast processibility and retention of adequate mechanical properties up to a temperature much higher than Tg and/or Tm of each polymer chain segment. The nano-scale bicontinuous network structure can be further developed for the applications of conducting polymers, membrane polymers, adsorption polymers, and biomedical polymers to extend the application values.