한국막학회 학술발표회 2018년도 춘계 총회 및 학술발표회 (p.142-142)

|포스터 발표 MP-70|
자가-가교가 가능한 PGP-POEM 가지형 공중합체 합성 및 친환경 가스 분리에의 응용

Synthesis of self-cross-linkable PGP-POEM graft copolymer and its application on environmental gas separation

초록

We present a high-performance polymeric membrane based on self-cross-linkable poly(glycidyl methacrylate-g-poly-(propylene glycol))-co-poly(oxyethylene methacrylate) (PGP-POEM) graft copolymer for CO2/N2 separation. The self-cross-linked membranes can be easily prepared under mild conditions without any additional cross-linking agents or catalyst. We investigated the gas separation performance of the membranes as a function of POEM content in the copolymer. The self-cross-linked PGP-POEM membranes showed an improvement in both permeance and selectivity with increasing POEM content up to 51.2 wt %. The best performance of the membrane was achieved by optimizing membrane thickness, showing a CO2 permeance of 500 GPU (1 GPU = 10-6 cm3 (STP)/(s cm2 cmHg)) and CO2/N2 selectivity of 22.4.