화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Polymer(Korea), Vol.17, No.4, 415-424, July, 1993
Export Citation
고성능 에폭시 수지의 강인성 향상:1.열가소성 수지에 의한 개질화
Toughness Improvement of High Performance Epoxy Resin; 1.Modification with Thermoplastics
정호순, 장정식, 심정섭
초록
고성능 에폭시 수지인 EPON HPT 1071과 diaminodiphenyl sulfone(DDS) 경화제를 이용하여, 경화된 에폭시 수지의 강인성온 향상시킬 목적으로 열가소성 고분자인 polyetherimide(PEI)를 도입하여. PEI 개질화에 따른 기계적 물성의 변화를 고찰하였다. PEI의 개질화반응의 경우, PEI의 처리시간이 증가함에 따라 카르복실기와 2°amine기가 점진적으로 증가하였다. HPT 1071/DDS/개질 PEI계의 경우. 미개질 PEI계에 비해 에폭시 경화물의 기계적 물성이 월등히 증가하였다. 또한 개질 PEI의 농도와 PEI의 개질처리시간에 따른 HPT 1071/DDS/개질 PEI계의 기계적 물성에 대한 상관관계도 함께 고찰하였다.
In order to improve the fracture toughness and mechanical properties of EPON HPT 1071/DDS system, modified polyetherimide(PEI) wiles incorporated in the resin system. During the hydrolysis of PEI, the formation of new carboxytic arid and secondary amino increased gradually with increasing the treatment time of neat PEI. Compared to the HPT 1071/DDS/nea1 PEI system, the mechanical properties of modified PEI system was superior to that of neat PEI system. In addition, investigation of the relationship between the concert,tration of modified PEI and the mechanical properties was undertaken in HPT 1071/DDS/modified PEI system.
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