KR101327871B1 - 에너지 절감효과 및 전자파 차폐성이 우수한 바닥재의 제조방법 및 이 방법에 의해 제조된 바닥재 - Google Patents
에너지 절감효과 및 전자파 차폐성이 우수한 바닥재의 제조방법 및 이 방법에 의해 제조된 바닥재 Download PDFInfo
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Abstract
특히 전도성 고분자 복합체의 제조시 고분자 수지의 합성과정에서 전도성 소재를 분산시킴으로써 전도성 소재의 판상과 판상 사이에서 고분자가 삽입(intercalation)되고, 고분자 메트릭스에 잘 분산되어, 섬유에 함침 또는 코팅을 할 경우 도전성 섬유의 물리적 특성이 우수하고, 전기전도성, 방열 특성이 우수한 효과를 얻을 수 있다. 또한 전도성 기능의 향상을 위하여 탄소나노튜브(CNT)를 고분자 합성 공정 중 팽창 흑연과 같이 투입함으로써, 탄소나노튜브(CNT)의 섬유구조가 팽창 흑연의 공극의 연결하는 역할하여 전도성 특성을 향상시킬 수 있다.
따라서, 상기 방법으로 바닥재를 제조할 경우 전기전도성 및 발열성, 전자파 차폐성능이 우수하여 최종 소비자가 전기장판, 전기이불, 전기매트, 마루 바닥재 등의 바닥재로 사용할 경우 에너지 절감 효과 및 전자파 차폐성능이 우수한 것이 장점이다.
Description
도 2는 본 발명에 적용시킨 전도성 소재인 팽창흑연을 찍은 SEM(10,000배 확대) 사진이며,
도 3은 본 발명에 따른 실시예 및 비교예를 적용시킨 함침원단 및 코팅원단을 찍은 SEM(5000배 확대) 사진에 관한 것이다.
구분 | 실시예 | 비교예 | ||||
1 | 2 | 3 | 1 | 2 | ||
폴 리올 / 모노머 |
폴리에스테르 폴리올(분자량 2,000) | 100 | 100 | 100 | 100 | 100 |
폴리카보네이트 디올(분자량 2,000) | 100 | 100 | 100 | 100 | 100 | |
디이소시아네이트 (MDI) |
83.4 | 83.4 | 83.4 | 83.4 | 83.4 | |
1,4-butanediol | 12 | 12 | 12 | 12 | 12 | |
Diethylene glycol | 10.6 | 10.6 | 10.6 | 10.6 | 10.6 | |
DMF | 694 | 694 | 694 | 694 | 694 | |
합계 | 1000 | 1000 | 1000 | 1000 | 1000 | |
촉매((DBTDL) | 0.001 | 0.001 | 0.001 | 0.001 | 0.001 | |
팽창흑연 | 10 | 20 | 30 | 5 | 5 | |
CNT | 0.1 | 0.2 | 0.3 | - | 0.1 |
구분 | 실시예 | 비교예 | |||
1 | 2 | 3 | 1 | 2 | |
전기저항(Ω) | 1.3 × 107 | 1.3 × 104 | 1.3 × 102 | 1.3 × 1011 | 1.3 × 1010 |
구분 | 실시예 | 비교예 | |||
1 | 2 | 3 | 1 | 2 | |
열전도도(W/m·k) | 2.4 | 3.7 | 4.2 | 1.4 | 1.8 |
구분 | 실시예 | 비교예 | |||
1 | 2 | 3 | 1 | 2 | |
전자파 차폐효과(dB) | 16 (1GHz) | 23 (1GHz) | 32 (1GHz) | 9 (1GHz) | 11 (1GHz) |
30 : 구리선
Claims (7)
2) 상기 전도성 고분자 복합체를 직포 또는 부직포에 함침 가공 또는 코팅 가공하는 전도성 섬유 제조 공정 및;
3) 상기 전도성 섬유의 일면 또는 양면에 보호필름을 라미네이팅하는 바닥재 제조공정;
을 포함하되,
상기 전도성 고분자 복합체 합성 공정은
a) 전도성 소재를 폴리올에 첨가하고, 디올과 촉매를 혼합하여 전도성 혼합물을 제조하는 단계;
b) 상기 전도성 혼합물에 디이소시아네이트를 투입하고 교반하여 프리폴리머를 합성하는 단계;
c) 상기 프리폴리머에 쇄연장제를 투입하여 전도성 고분자 복합체를 제조하는 단계;
를 거쳐 전도성 고분자 복합체가 합성되고,
상기 전도성 소재는 도전성 탄소소재인 탄소나노튜브, 팽창 흑연을 혼합 사용하며,
상기 전도성 고분자는 폴리우레탄 수지 또는 수분산 폴리우레탄 수지이며,
상기 직포 또는 부직포는 고분자 소재로서, 폴리에스터, 나일론, 에폭시, 폴리우레탄, 폴리에틸렌, 폴리프로필렌 중에서 1종을 선택하고,
상기 보호필름은 PVC 시트, TPU 시트 또는 올레핀 시트인 것을 특징으로 하는 에너지 절감효과 및 전자파 차폐성이 우수한 바닥재의 제조방법.
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