KR20190105238A - 흑연 함유 내화물 및 흑연 함유 내화물의 제조 방법 - Google Patents
흑연 함유 내화물 및 흑연 함유 내화물의 제조 방법 Download PDFInfo
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- KR20190105238A KR20190105238A KR1020197024278A KR20197024278A KR20190105238A KR 20190105238 A KR20190105238 A KR 20190105238A KR 1020197024278 A KR1020197024278 A KR 1020197024278A KR 20197024278 A KR20197024278 A KR 20197024278A KR 20190105238 A KR20190105238 A KR 20190105238A
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Abstract
Description
도 2 는, 탄소 섬유 다발 (14) 의 사시도이다.
도 3 은, 마그네시아·카본질 내화물 (10) 을 전로 내화물로서 사용한 일례를 나타내는 개략 사시도이다.
도 4 는, 폭 방향과 탄소 섬유 다발 (14) 의 각도 (θ2) 가 45°인 마그네시아·카본질 내화물 (10) 을 나타내는 사시도와 측면도이다.
도 5 는, 폭 방향과 탄소 섬유 다발 (14) 의 각도 (θ2) 가 135°인 마그네시아·카본질 내화물 (10) 을 나타내는 사시도와 측면도이다.
도 6 은, 본 실시형태에 관련된 마그네시아·카본질 내화물 (10) 의 제조 플로우의 일례를 나타내는 도면이다.
도 7 은, CIP 성형에 의한 성형 방법을 설명하는 도면이다.
도 8 은, 고주파 유도로 (50) 를 사용한 용손 시험을 설명하는 단면 (斷面) 모식도이다.
도 9 는, 3 점 굽힘 시험 방법에 의해 얻어진 하중-변위 곡선의 일례를 나타낸다.
도 10 은, 실시예 9-1 ∼ 9-3 의 탄소 섬유 다발의 장입 각도를 나타내는 단면 모식도이다.
도 11 은, CIP 장치로 성형하는 상태를 나타내는 단면 모식도이다.
도 12 는, 실시예 10-1 ∼ 10-3 의 탄소 섬유 다발의 장입 각도를 나타내는 단면 모식도이다.
도 13 은, CIP 장치로 성형하는 상태를 나타내는 단면 모식도이다.
12 : 마그네시아·카본질 원료
14 : 탄소 섬유 다발
16 : 성형면
18 : 점선
20 : 화살표
30 : 지지 부재
32 : 심금
34 : 상측 지지반
35 : 하측 지지반
36 : 성형 용기
38 : CIP 장치
40 : 압력 매체
50 : 고주파 유도로
52 : 유도 코일
54 : 저판
56 : 용선
58 : 합성 슬래그
60 : 흑연 함유 내화물
Claims (21)
- 흑연의 함유량이 1 질량% 이상 80 질량% 이하의 범위 내인 흑연 함유 내화물로서,
길이가 100 mm 이상인 탄소 섬유 다발이 내부에 배치되고,
상기 탄소 섬유 다발은, 섬유 직경이 1 ㎛/개 이상 45 ㎛/개 이하의 범위 내인 탄소 섬유가 1000 개 이상 300000 개 이하의 범위 내에서 묶여 형성되는, 흑연 함유 내화물. - 제 1 항에 있어서,
상기 탄소 섬유는, 1000 개 이상 60000 개 이하의 범위 내에서 묶이는, 흑연 함유 내화물. - 제 1 항 또는 제 2 항에 있어서,
상기 흑연 함유 내화물은, 마그네시아 원료를 20 질량% 이상 99 질량% 이하의 범위 내에서 포함하는, 흑연 함유 내화물. - 제 1 항 또는 제 2 항에 있어서,
상기 흑연 함유 내화물은, 알루미나 원료를 10 질량% 이상 95 질량% 이하의 범위 내에서 포함하고, 탄화규소 원료를 1 질량% 이상 포함하는, 흑연 함유 내화물. - 제 4 항에 있어서,
상기 흑연 함유 내화물은, 추가로 실리카 원료를 1 질량% 이상 50 질량% 이하의 범위 내에서 포함하는, 흑연 함유 내화물. - 제 1 항 또는 제 2 항에 있어서,
상기 흑연 함유 내화물은, 사용이 완료된 내화물을 분쇄한 내화물 부스러기를 10 질량% 이상 90 질량% 이하의 범위 내에서 포함하는, 흑연 함유 내화물. - 제 1 항 내지 제 6 항 중 어느 한 항에 있어서,
상기 탄소 섬유 다발은, 페놀 수지, 알루미나 졸, 실리카 졸, 피치 및 타르에서 선정되는 1 종 이상의 접착제를 사용하여 접착되는, 흑연 함유 내화물. - 제 1 항 내지 제 6 항 중 어느 한 항에 있어서,
상기 탄소 섬유 다발은, 페놀 수지, 에폭시 수지, 멜라민 수지, 우레아 수지, 알키드 수지, 불포화 폴리에스테르 수지, 폴리우레탄, 열경화성 폴리이미드, 알루미나 졸, 실리카 졸, 지르코니아 졸, 크로미아 졸, 티타니아 졸, 마그네시아 졸, 칼시아 졸, 이트리아 졸, 피치, 타르 및 전분풀에서 선정되는 1 종 이상의 접착제를 사용하여 접착되는, 흑연 함유 내화물. - 제 1 항 내지 제 8 항 중 어느 한 항에 있어서,
상기 흑연 함유 내화물은, 섬유 직경이 1 ㎛/개 이상 45 ㎛/개 이하이고, 섬유 길이가 1 mm 이하이며, 섬유 직경에 대한 섬유 길이의 비율 (섬유 길이/섬유 직경) 이 2 이상 1000 이하인 단탄소 섬유를, 상기 흑연 함유 내화물에 대해 외부 백분율로 0.10 질량% 이상 10 질량% 이하의 범위 내에서 추가로 포함하는, 흑연 함유 내화물. - 흑연을 1 질량% 이상 80 질량% 이하의 범위 내에서 함유하고, 내부에 탄소 섬유 다발이 배치된 흑연 함유 내화물의 제조 방법으로서,
탄소 섬유를 묶어 상기 탄소 섬유 다발로 하는 다발화 공정과,
내화물 원료에 흑연을 배합하여 흑연 함유 내화물 원료로 하는 배합 공정과,
상기 탄소 섬유 다발이 배치된 상기 흑연 함유 내화물 원료를 성형하여 성형체로 하는 성형 공정과,
상기 성형체를 건조하는 건조 공정
을 갖고,
상기 다발화 공정에서는, 섬유 직경이 1 ㎛/개 이상 45 ㎛/개 이하의 범위 내인 상기 탄소 섬유를, 1000 개 이상 300000 개 이하의 범위 내에서 묶어, 길이 100 mm 이상의 탄소 섬유 다발로 하는, 흑연 함유 내화물의 제조 방법. - 제 10 항에 있어서,
상기 다발화 공정에서는, 상기 탄소 섬유를 1000 개 이상 60000 개 이하의 범위 내에서 묶는, 흑연 함유 내화물의 제조 방법. - 제 10 항 또는 제 11 항에 있어서,
상기 내화물 원료는, 마그네시아 원료이며,
상기 배합 공정에서는, 상기 마그네시아 원료를 20 질량% 이상 99 질량% 이하의 범위 내에서 배합하는, 흑연 함유 내화물의 제조 방법. - 제 10 항 또는 제 11 항에 있어서,
상기 내화물 원료는, 알루미나 원료 및 탄화규소 원료이며,
상기 배합 공정에서는, 상기 알루미나 원료를 10 질량% 이상 95 질량% 이하의 범위 내에서 배합하고,
상기 탄화규소 원료를 1 질량% 이상 배합하는, 흑연 함유 내화물의 제조 방법. - 제 13 항에 있어서,
상기 내화물 원료는, 알루미나 원료, 탄화규소 원료 및 실리카 원료이며,
상기 배합 공정에서는, 알루미나 원료를 10 질량% 이상 95 질량% 이하의 범위 내에서 배합하고,
상기 탄화규소 원료를 1 질량% 이상 배합하고,
상기 실리카 원료를 1 질량% 이상 50 질량% 이하의 범위 내에서 배합하는, 흑연 함유 내화물의 제조 방법. - 제 10 항 또는 제 11 항에 있어서,
상기 내화물 원료는, 사용이 완료된 내화물을 분쇄한 내화물 부스러기이며,
상기 배합 공정에서는, 상기 내화물 부스러기를 10 질량% 이상 90 질량% 이하의 범위 내에서 배합하는 흑연 함유 내화물의 제조 방법. - 제 10 항 내지 제 15 항 중 어느 한 항에 있어서,
상기 다발화 공정에서는, 상기 탄소 섬유를 페놀 수지, 알루미나 졸, 실리카 졸, 피치 및 타르에서 선정되는 1 종 이상의 접착제를 사용하여 접착하는, 흑연 함유 내화물의 제조 방법. - 제 10 항 내지 제 15 항 중 어느 한 항에 있어서,
상기 다발화 공정에서는, 상기 탄소 섬유를 페놀 수지, 에폭시 수지, 멜라민 수지, 우레아 수지, 알키드 수지, 불포화 폴리에스테르 수지, 폴리우레탄, 열경화성 폴리이미드, 알루미나 졸, 실리카 졸, 지르코니아 졸, 크로미아 졸, 티타니아 졸, 마그네시아 졸, 칼시아 졸, 이트리아 졸, 피치, 타르 및 전분풀에서 선정되는 1 종 이상의 접착제를 사용하여 접착하는, 흑연 함유 내화물의 제조 방법. - 제 10 항 내지 제 17 항 중 어느 한 항에 있어서,
상기 성형 공정 전에,
상기 흑연 함유 내화물 원료를 혼련하는 혼련 공정과,
상기 흑연 함유 내화물 원료를 성형하는 형틀에, 혼련된 흑연 함유 내화물 원료와 상기 탄소 섬유 다발을 충전하는 충전 공정을 추가로 갖는, 흑연 함유 내화물의 제조 방법. - 제 18 항에 있어서,
상기 충전 공정에서는, 상기 형틀의 용적에 대해 5 용적% 이상의 상기 흑연 함유 내화물 원료를 충전한 후, 상호 간 거리가 3 mm 이상이 되도록 상기 탄소 섬유 다발을 나란히 배치하는 것을 반복하여, 상기 형틀에 상기 흑연 함유 내화물 원료와 상기 탄소 섬유 다발을 충전하는, 흑연 함유 내화물의 제조 방법. - 제 10 항 내지 제 17 항 중 어느 한 항에 있어서,
상기 성형 공정 전에,
상기 흑연 함유 내화물 원료를 혼련하는 혼련 공정과,
상기 흑연 함유 내화물 원료를 성형하는 성형 용기에, 혼련된 흑연 함유 내화물 원료와 상기 탄소 섬유 다발을 충전하는 충전 공정을 추가로 갖고,
상기 성형 공정에서는, 압력 매체를 개재하여 상기 성형 용기에 압력을 인가하여 성형체를 성형하는, 흑연 함유 내화물의 제조 방법. - 제 10 항 내지 제 20 항 중 어느 한 항에 있어서,
상기 배합 공정에서는, 섬유 직경이 1 ㎛ 이상 45 ㎛ 이하이며, 섬유 길이가 1 mm 이하이며, 섬유 직경에 대한 섬유 길이의 비율 (섬유 길이/섬유 직경) 이 2 이상 1000 이하의 범위 내인 단탄소 섬유를, 상기 흑연 함유 내화물 원료에 대해 외부 백분율로 0.10 질량% 이상 10 질량% 이하의 범위 내에서 배합하는, 흑연 함유 내화물의 제조 방법.
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US20110200819A1 (en) * | 2010-02-18 | 2011-08-18 | Hitachi Chemical Company, Ltd. | Carbon fiber composite material, and brake member, structural member for semiconductor, heat resistant panel and heat sink using the carbon fiber composite material |
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KR20220093535A (ko) * | 2020-12-28 | 2022-07-05 | 이준영 | 차화기능을 갖는 복합섬유시트 |
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CN110352183A (zh) | 2019-10-18 |
EP3587378A1 (en) | 2020-01-01 |
CN110352183B (zh) | 2022-03-25 |
WO2018155118A1 (ja) | 2018-08-30 |
US11629916B2 (en) | 2023-04-18 |
RU2730718C1 (ru) | 2020-08-25 |
EP3587378B1 (en) | 2024-06-05 |
TWI691473B (zh) | 2020-04-21 |
US20190368815A1 (en) | 2019-12-05 |
KR102341900B1 (ko) | 2021-12-21 |
JP6593529B2 (ja) | 2019-10-23 |
TW201835005A (zh) | 2018-10-01 |
US20210270529A1 (en) | 2021-09-02 |
BR112019017208A2 (pt) | 2020-04-14 |
US11156403B2 (en) | 2021-10-26 |
JPWO2018155118A1 (ja) | 2019-03-07 |
EP3587378A4 (en) | 2020-01-15 |
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