KR101942790B1 - 배전급 케이블용 반도전층 조성물 및 친환경 배전급 케이블 - Google Patents
배전급 케이블용 반도전층 조성물 및 친환경 배전급 케이블 Download PDFInfo
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Abstract
본 발명에 따른 배전급 케이블용 내부 반도전층 조성물은 폴리프로필렌 및 열가소성 폴리올레핀(TPO)을 베이스 수지로 함유하고, 외부 반도전층 조성물은 폴리프로필렌 및 에틸렌 부틸 아크릴레이트(EBA)를 베이스 수지로 함유하는 것을 특징으로 한다.
본 발명에 따른 배전급 케이블용 반도전층 조성물을 이용할 경우, 케이블 제조과정에서 가교를 하지 않으므로 공정을 단순화할 수 있고, 재활용이 가능할 뿐만 아니라, 제조된 케이블 전선은 기존 사용되고 있는 가교 폴리에틸렌(XLPE)과 동등 이상의 내열성을 갖으며, 전력 케이블에서 요구되는 물리적 특성 및 전기적 특성이 우수하다.
Description
도 2는 본 발명의 비교예에 따라 제조된 내부 반도전층 시편의 표면 발생된 돌기를 촬영한 전자현미경 사진이다.
도 3은 본 발명의 비교예에 따라 제조된 외부 반도전층 시편의 표면 발생된 돌기를 촬영한 전자현미경 사진이다.
조성 | 실시예 1 | 실시예 2 | 실시예 3 | |
베이스 수지 | 폴리프로필렌 | 90 | 80 | 90 |
열가소성 폴리올레핀(TPO) | 10 | 20 | 10 | |
도전성 재료 | 카본 | 60 | 60 | 50 |
산화 방지제 | 페놀계 | 0.5 | 0.5 | 0.5 |
가공조제 | PE 왁스 | 1 | 1 | 1 |
구분 | 실시예 1 | 실시예 2 | 실시예 3 | 비고 | |
인장강도 (kgf/mm2) | 1.18 | 1.32 | 1.27 | ||
신장율 (%) | 458 | 388 | 497 | ||
가열 후 인장강도 (kgf/mm2) | 1.31 | 1.29 | 1.29 | 136℃×168시간 | |
가열 후 신장율 (%) | 341 | 324 | 387 | 136℃×168시간 | |
체적 고유저항 (Ω·CM) |
20℃ | 2.3×101 | 2.5×101 | 7.42 | |
90℃ | 3.4×102 | 3.2×102 | 8.1×103 | ||
110℃ | 4.6×102 | 5.2×102 | 2.4×104 | ||
이온 불순물(ppm) | 125 | 117 | 117 |
조성 | 비교예 1 | 비교예 2 | 비교예 3 | 비교예 4 | 비교예 5 | |
베이스 수지 | 폴리프로필렌 | 90 | 90 | 100 | 90 | 70 |
열가소성 폴리올레핀(TPO) | 10 | 10 | 0 | 0 | 30 | |
H-PP | 0 | 0 | 0 | 10 | 0 | |
도전성 재료 | 카본 | 70 | 40 | 50 | 60 | 60 |
산화 방지제 | 페놀계 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 |
가공조제 | PE 왁스 | 1 | 1 | 1 | 1 | 1 |
구분 | 비교예 1 | 비교예 2 | 비교예 3 | 비교예 4 | 비교예 5 | 비고 | |
인장강도 (kgf/mm2) | 1.04 | 1.24 | 0.88 | 1.26 | 1.36 | ||
신장율 (%) | 388 | 511 | 437 | 445 | 387 | ||
가열 후 인장강도 (kgf/mm2) | 1.07 | 1.19 | 0.71 | 1.32 | 1.24 | 136℃×168시간 | |
가열 후 신장율 (%) | 267 | 422 | 267 | 345 | 298 | 136℃×168시간 | |
체적 고유저항 (Ω·CM) |
20℃ | 2.3×101 | 5.8×104 | 6.7×101 | 2.4×101 | 2.7×101 | |
90℃ | 6.7×101 | 7.7×105 | 5.1×102 | 3.9×102 | 4.1×102 | ||
110℃ | 3.4×102 | 4.9×106 | 8.9×102 | 6.8×102 | 6.1×102 | ||
이온 불순물(ppm) | 119 | 122 | 148 | 186 | 164 |
조성 | 실시예 4 | 실시예 5 | |
베이스 수지 | 폴리프로필렌 | 20 | 30 |
에틸렌 부틸 아크릴레이트(EBA) | 70 | 60 | |
열가소성 폴리올레핀 (TPO) |
10 | 10 | |
도전성 재료 | 카본 | 57 | 57 |
산화 방지제 | 페놀계 | 0.5 | 0.5 |
가공조제 | PE 왁스 | 1 | 1 |
분산제 | silicon dioxide | 5 | 5 |
구분 | 실시예 4 | 실시예 5 | 비고 | |
인장강도 (kgf/mm2) | 1.14 | 1.01 | ||
신장율 (%) | 187 | 191 | ||
가열 후 인장강도 (kgf/mm2) | 1.05 | 0.89 | 121℃×168시간 | |
가열 후 신장율 (%) | 155 | 158 | 121℃×168시간 | |
체적 고유저항 (Ω·CM) |
20℃ | 0.5×101 | 1.5×101 | |
90℃ | 1.3×102 | 2.4×102 | ||
110℃ | 1.6×102 | 4.8×102 | ||
박리강도(kgf) | 2.62 | 3.89 | ||
이온 불순물(ppm) | 140 | 156 |
조성 | 비교예 6 | 비교예 7 | 비교예 8 | 비교예 9 | 비교예 10 | 비교예 11 | |
베이스 수지 | 폴리프로필렌 | 20 | 50 | 30 | 30 | 30 | 10 |
에틸렌 부틸 아크릴레이트(EBA) | 80 | 50 | 70 | 70 | 0 | 70 | |
EVA | 0 | 0 | 0 | 0 | 70 | 0 | |
열가소성 폴리올레핀 (TPO) | 0 | 0 | 0 | 0 | 0 | 20 | |
도전성 재료 | 카본 | 57 | 57 | 40 | 70 | 57 | 57 |
산화 방지제 | 페놀계 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 |
가공조제 | PE 왁스 | 1 | 1 | 1 | 1 | 1 | 1 |
분산제 | silicon dioxide | 5 | 5 | 5 | 5 | 5 | 5 |
구분 | 비교예 6 | 비교예 7 | 비교예 8 | 비교예 9 | 비교예 10 | 비교예 11 | 비고 | ||
인장강도 (kgf/mm2) | 0.78 | 1.32 | 1.28 | 0.94 | 0.84 | 1.24 | |||
신장율 (%) | 142 | 203 | 233 | 135 | 128 | 189 | |||
가열 후 인장강도 (kgf/mm2) | 0.67 | 1.18 | 1.09 | 0.82 | 0.68 | 1.09 | 121℃×168 시간 | ||
가열 후 신장율 (%) | 122 | 175 | 184 | 98 | 87 | 147 | 121℃×168 시간 | ||
체적 고유저항 (Ω·CM) |
20℃ | 1.1×101 | 1.7×101 | 3.4×102 | 1.5×101 | 2.8×101 | 0.5×101 | ||
90℃ | 2.2×102 | 1.8×102 | 6.7×104 | 2.1×102 | 2.6×102 | 1.3×102 | |||
110℃ | 3.6×102 | 3.8×102 | 3.5×106 | 3.7×102 | 5.6×102 | 1.6×102 | |||
박리강도(kgf) | 1.98 | 4.69 | 3.17 | 3.23 | 3.11 | 5.11 | |||
이온 불순물(ppm) | 114 | 116 | 156 | 146 | 145 | 140 |
Claims (15)
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- 폴리프로필렌 20~30중량%, 에틸렌-프로필렌 공중합체 5~15중량% 및 에틸렌 부틸 아크릴레이트(EBA) 60~70중량%를 함유하는 베이스 수지;
상기 베이스 수지 100중량부에 대하여 도전성 재료 50~60중량부; 산화방지제 0.1~1중량부; 가공조제 0.1~2중량부 및 분산제 3~7중량부를 포함하는 것을 특징으로 하는 배전급 케이블용 외부 반도전층 조성물.
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- 도체, 상기 도체를 감싸는 내부 반도전층, 상기 내부 반도전층을 감싸는 절연층, 상기 절연층을 감싸는 외부 반도전층 및 상기 외부 반도전층을 감싸는 쉬스층을 포함하는 전력 케이블에 있어서,
상기 내부 반도전층은 폴리프로필렌 80~90중량% 및 에틸렌-프로필렌 공중합체 10~20중량%를 함유하는 베이스 수지; 상기 베이스 수지 100중량부에 대하여 도전성 재료 50~60중량부; 산화방지제 0.1~1중량부 및 가공조제 0.1~2중량부를 포함하는 내부 반도전층 조성물로부터 형성되고,
상기 외부 반도전층은 폴리프로필렌 20~30중량%, 에틸렌-프로필렌 공중합체 5~15중량% 및 에틸렌 부틸 아크릴레이트(EBA) 60~70중량%를 함유하는 베이스 수지; 상기 베이스 수지 100중량부에 대하여 도전성 재료 50~60중량부; 산화방지제 0.1~1중량부; 가공조제 0.1~2중량부 및 분산제 3~7중량부를 포함하는 외부 반도전층 조성물로부터 형성된 것을 특징으로 하는 친환경 배전급 케이블. - 삭제
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Citations (5)
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JP2001093332A (ja) | 1999-09-22 | 2001-04-06 | Fujikura Ltd | 半導電性樹脂混和物及び電力ケーブルの製造方法 |
JP2003123538A (ja) | 2001-10-09 | 2003-04-25 | Yazaki Corp | 電力ケーブル用半導電性樹脂組成物 |
JP2004178867A (ja) | 2002-11-25 | 2004-06-24 | Mitsubishi Cable Ind Ltd | 電力ケーブル |
JP2004259579A (ja) * | 2003-02-26 | 2004-09-16 | Yazaki Corp | リサイカブルケーブル |
KR101808828B1 (ko) * | 2016-08-02 | 2017-12-13 | (주)티에스씨 | 전선용 시스 조성물 및 이를 포함하는 전선 |
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JP2001093332A (ja) | 1999-09-22 | 2001-04-06 | Fujikura Ltd | 半導電性樹脂混和物及び電力ケーブルの製造方法 |
JP2003123538A (ja) | 2001-10-09 | 2003-04-25 | Yazaki Corp | 電力ケーブル用半導電性樹脂組成物 |
JP2004178867A (ja) | 2002-11-25 | 2004-06-24 | Mitsubishi Cable Ind Ltd | 電力ケーブル |
JP2004259579A (ja) * | 2003-02-26 | 2004-09-16 | Yazaki Corp | リサイカブルケーブル |
KR101808828B1 (ko) * | 2016-08-02 | 2017-12-13 | (주)티에스씨 | 전선용 시스 조성물 및 이를 포함하는 전선 |
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