KR102446800B1 - 형상화된 겔 물품 및 그로부터 제조되는 소결된 물품 - Google Patents
형상화된 겔 물품 및 그로부터 제조되는 소결된 물품 Download PDFInfo
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- KR102446800B1 KR102446800B1 KR1020197008495A KR20197008495A KR102446800B1 KR 102446800 B1 KR102446800 B1 KR 102446800B1 KR 1020197008495 A KR1020197008495 A KR 1020197008495A KR 20197008495 A KR20197008495 A KR 20197008495A KR 102446800 B1 KR102446800 B1 KR 102446800B1
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Images
Classifications
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Abstract
Description
도 2는 물품의 미세-특징부의 치수가 측정되는 곳을 나타내는 2개의 개략도를 나타낸다.
도 3은 예시적인 주형, 및 이 주형을 사용하여 형성된 예시적인 소결된 물품의 사진을 나타낸다. 사진의 축척(scale)은 동일하지 않다.
도 4a는 용융 석영과 비교한, 예시적인 소결된 물품("실리카"로 지칭됨, 실시예 2)에 대한 %투과율 대 파장(250 내지 1650 nm)의 플롯(plot)이다.
도 4b는 용융 석영과 비교한, 예시적인 소결된 물품("실리카"로 지칭됨, 실시예 2)에 대한 %흡수율 대 파장(250 내지 1650 nm)의 플롯이다.
도 4c는 용융 석영과 비교한, 예시적인 소결된 물품("실리카"로 지칭됨, 실시예 2)에 대한 %반사율 대 파장(250 내지 1650 nm)의 플롯이다.
도 4d는 예시적인 소결된 물품(실시예 2)에 대한 x-선 회절 스캔이다.
도 5는 5 나노미터의 평균 입자 크기를 갖는 10 부피%의 실리카를 갖는 캐스팅 졸로부터 제조된 원통(대략 6 mm 높이 및 7.45 mm 직경)의 형상의 소결된 물품(실시예 3)의 사진(평면도 및 측면도)이다.
도 6은 평균 크기가 5 나노미터, 20 나노미터, 또는 75 나노미터인 실리카 입자를 함유하는 캐스팅 졸(실시예 5)에 대한 %투과율 대 파장(300 내지 700 nm)의 플롯이다.
도 7은 20 나노미터의 평균 입자 크기를 갖는 10 부피%의 실리카를 갖는 캐스팅 졸로부터 제조된 원통(대략 7 mm 높이 및 13.51 mm 직경)의 형상의 소결된 물품(실시예 6)의 사진(평면도 및 측면도)이다.
도 8은 소결된 물품(실시예 7)의 무정형 영역 및 결정질 영역의 x-선 회절 스캔을 나타낸다.
도 9a는 5 나노미터(실시예 3), 20 나노미터(실시예 6), 또는 75 나노미터(실시예 7)의 평균 입자 크기를 갖는 10 부피% 실리카를 갖는 캐스팅 졸로부터 제조된 형상화된 겔 물품의 사진이다.
도 9b는 도 9a에 도시된 형상화된 겔 물품으로부터 제조된 에어로겔의 사진이다.
도 9c는 도 9b의 에어로겔로부터 1020℃에서 형성된 소결된 물품의 사진이다.
도 9d는 도 9c의 소결된 물품으로부터 1105℃에서 형성된 소결된 물품의 사진이다.
도 10은 1105℃에서 소결 전에 산 침지된(acid soaked) 소결된 물품의 사진이며; 이는 75 나노미터의 평균 입자 크기를 갖는 20 부피% 실리카를 함유하는 캐스팅 졸로부터 제조하였다(실시예 8).
도 11a는 5 나노미터의 평균 입자 크기를 갖는 2.5 부피%, 5 부피%, 7.5 부피%, 또는 10 부피%의 실리카를 함유하는 캐스팅 졸로부터 1020℃에서 형성된 소결된 물품(실시예 9)의 사진이다.
도 11b는 도 11a의 소결된 물품으로부터 1105℃에서 형성된 소결된 물품의 사진이다.
도 12a는 라디칼 중합성 기를 갖는 실란 표면 개질제를 사용한("반응성"으로 표기됨) 그리고 사용하지 않고서("비-반응성"으로 표기됨) 형성된, 형상화된 겔 물품의 사진이다.
도 12b는 도 12a의 형상화된 겔 물품으로부터 형성된 에어로겔의 사진이다.
도 12c는 도 12b의 에어로겔로부터 1020℃에서 형성된 소결된 물품의 사진이다.
도 12d는 도 12c의 소결된 물품으로부터 1105℃에서 형성된 소결된 물품의 사진이다.
도 13은 예시적인 제로겔(xerogel)(실시예 11)의 사진이다.
Claims (15)
- 캐스팅 졸(casting sol)의 중합된 생성물을 포함하는 형상화된 겔 물품으로서,
상기 캐스팅 졸은 중합 동안 주형 공동 내에 위치되고, 상기 형상화된 겔 물품은 상기 주형 공동으로부터 제거될 때 상기 주형 공동이 과충전된 영역을 제외하고는 상기 주형 공동과 동일한 크기 및 형상 둘 모두를 유지하며,
상기 캐스팅 졸은
a) 상기 캐스팅 졸의 총 중량을 기준으로 2 내지 65 중량%의 표면 개질된 실리카 입자;
b) 상기 캐스팅 졸의 총 중량을 기준으로 0 내지 40 중량%의 선택적인 중합성 재료;
c) 상기 캐스팅 졸의 총 중량을 기준으로 0.01 내지 5 중량%의 라디칼 개시제; 및
d) 상기 캐스팅 졸의 총 중량을 기준으로 30 내지 90 중량%의 유기 용매 매질
을 포함하고,
상기 표면 개질된 실리카 입자는 100 나노미터 이하의 평균 입자 크기를 갖는 실리카 입자와 라디칼 중합성 기를 갖는 실란 개질제를 포함하는 표면 개질제 조성물의 반응 생성물을 포함하고, 상기 표면 개질된 실리카 입자는 50 내지 99 중량%의 실리카를 포함하고,
상기 캐스팅 졸은 50 중량% 이하의 실리카를 함유하고,
상기 선택적인 중합성 재료는 실릴 기를 함유하지 않고,
상기 표면 개질제 조성물, 상기 선택적인 중합성 재료, 및 상기 라디칼 개시제는 상기 유기 용매 매질에 용해성인, 형상화된 겔 물품. - 제1항에 있어서, 상기 유기 용매 매질은 150℃ 이상의 비점을 갖는 제2 유기 용매를 50 중량% 이상 포함하는, 형상화된 겔 물품.
- 제1항 또는 제2항의 형상화된 겔 물품으로부터 유기 용매 매질을 초임계 추출에 의해 제거함으로써 형성되는 생성물을 포함하는 에어로겔.
- 소결된 물품의 제조 방법으로서, 상기 방법은
a) 주형 공동을 갖는 주형을 제공하는 단계;
b) 상기 주형 공동 내에 캐스팅 졸을 위치시키는 단계;
c) 상기 캐스팅 졸을 중합시켜, 상기 주형 공동과 접촉하고 있는 형상화된 겔 물품을 형성하는 단계;
d) 상기 캐스팅 졸 중의 유기 용매 매질을 제거함으로써 건조된 형상화된 겔 물품을 형성하는 단계;
e) 상기 건조된 형상화된 겔 물품을 상기 주형 공동으로부터 제거하는 단계; 및
f) 상기 건조된 형상화된 겔 물품을 가열하여 소결된 물품을 형성하는 단계
를 포함하고,
이때 상기 캐스팅 졸은
1) 상기 캐스팅 졸의 총 중량을 기준으로 2 내지 65 중량%의 표면 개질된 실리카 입자;
2) 상기 캐스팅 졸의 총 중량을 기준으로 0 내지 40 중량%의 선택적인 중합성 재료;
3) 상기 캐스팅 졸의 총 중량을 기준으로 0.01 내지 5 중량%의 라디칼 개시제; 및
4) 상기 캐스팅 졸의 총 중량을 기준으로 30 내지 90 중량%의 유기 용매 매질
을 포함하고,
상기 표면 개질된 실리카 입자는 100 나노미터 이하의 평균 입자 크기를 갖는 실리카 입자와 라디칼 중합성 기를 갖는 실란 개질제를 포함하는 표면 개질제 조성물의 반응 생성물을 포함하고, 상기 표면 개질된 실리카 입자는 50 내지 99 중량%의 실리카를 포함하고,
상기 캐스팅 졸은 50 중량% 이하의 실리카를 함유하고,
상기 선택적인 중합성 재료는 실릴 기를 함유하지 않고,
상기 표면 개질제 조성물, 상기 선택적인 중합성 재료, 및 상기 라디칼 개시제는 상기 유기 용매 매질에 용해성이고,
상기 소결된 물품은 상기 주형 공동이 과충전된 영역을 제외하고는 상기 주형 공동 및 상기 형상화된 겔 물품과 동일하지만 등방성 수축의 양에 비례하여 크기가 감소된 형상을 갖는, 방법. - 제4항의 방법에 의해 형성되는 소결된 물품.
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Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201662382944P | 2016-09-02 | 2016-09-02 | |
| US62/382,944 | 2016-09-02 | ||
| PCT/US2017/047064 WO2018044565A1 (en) | 2016-09-02 | 2017-08-16 | Shaped gel articles and sintered articles prepared therefrom |
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| Publication Number | Publication Date |
|---|---|
| KR20190042658A KR20190042658A (ko) | 2019-04-24 |
| KR102446800B1 true KR102446800B1 (ko) | 2022-09-23 |
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| JP2018158528A (ja) * | 2017-03-23 | 2018-10-11 | 国立大学法人横浜国立大学 | セラミックス成形体の製造方法 |
| WO2019030635A1 (en) | 2017-08-11 | 2019-02-14 | 3M Innovative Properties Company | MULTIFIBRE OPTICAL SPLICE ELEMENT AND CASSETTE |
| WO2019077472A1 (en) | 2017-10-18 | 2019-04-25 | 3M Innovative Properties Company | FIBER OPTIC CONNECTION SYSTEM |
| CN212255779U (zh) | 2017-10-18 | 2020-12-29 | 3M创新有限公司 | 光纤连接系统 |
| JP7774383B2 (ja) | 2018-06-29 | 2025-11-21 | スリーエム イノベイティブ プロパティズ カンパニー | 熱膨張又は収縮中に光フェルールの位置合わせを維持するための装置及び方法 |
| US12545766B2 (en) * | 2019-04-04 | 2026-02-10 | Lawrence Livermore National Security, Llc | Curable polymer resins for 3D-printable hierarchical nanoporous foams and aerogels |
| KR102684623B1 (ko) * | 2019-08-09 | 2024-07-15 | 주식회사 엘지화학 | 습윤겔 블랭킷의 건조방법 및 이를 이용한 에어로겔 블랭킷의 제조방법 |
| CN114391188A (zh) | 2019-09-18 | 2022-04-22 | 3M创新有限公司 | 包括纳米结构化表面和封闭空隙的制品及其制备方法 |
| CN111559746B (zh) * | 2020-05-25 | 2021-12-14 | 航天特种材料及工艺技术研究所 | 一种柔性超低密度气凝胶复合材料加工方法 |
| EP4204931A4 (en) * | 2020-08-27 | 2024-10-09 | 3M Innovative Properties Company | HAPTIC ARTICLES AND APPLICATIONS USING SINTERED ARTICLES PREPARED FROM MOLDED GEL COMPOSITIONS |
| US12498525B2 (en) | 2021-01-28 | 2025-12-16 | 3M Innovative Properties Company | Optical cable assembly with mismatched fiber pitch |
| WO2022234360A1 (en) | 2021-05-06 | 2022-11-10 | 3M Innovative Properties Company | Angular physical vapor deposition for coating substrates |
| IL311063A (en) * | 2021-08-27 | 2024-04-01 | Nissan Chemical America Corp | Functionalized silica nanoparticles for use in thiol-cured 3D printing |
| WO2023042016A1 (en) | 2021-09-15 | 2023-03-23 | 3M Innovative Properties Company | Acoustic articles and methods of making the same |
| CN114276132B (zh) * | 2022-01-07 | 2023-04-28 | 超瓷材料技术(深圳)有限公司 | 一种高固相含量微波介质陶瓷注射成型喂料及其制备方法和应用 |
| CN119462093B (zh) * | 2024-11-25 | 2025-09-16 | 浙江大学 | 一种彩色隔热气凝胶及其制备方法和应用 |
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| EP0720520B1 (en) | 1993-09-13 | 1999-07-28 | Minnesota Mining And Manufacturing Company | Abrasive article, method of manufacture of same, method of using same for finishing, and a production tool |
| US5975987A (en) | 1995-10-05 | 1999-11-02 | 3M Innovative Properties Company | Method and apparatus for knurling a workpiece, method of molding an article with such workpiece, and such molded article |
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| JP2005162781A (ja) * | 2003-11-28 | 2005-06-23 | Mitsubishi Rayon Co Ltd | 硬化性組成物、および物品 |
| EP1700830A1 (en) | 2005-03-09 | 2006-09-13 | Novara Technology S.R.L. | Process for the production of monoliths by means of the invert sol-gel process |
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| BR112015023594A2 (pt) | 2013-03-15 | 2017-07-18 | 3M Innovative Properties Co | método para preparar (met)acrilatos de alcoóis de base biológica e polímeros dos mesmos |
| JP6245742B2 (ja) * | 2013-12-04 | 2017-12-13 | 昭和電工株式会社 | 半導体ナノ粒子含有硬化性組成物、硬化物、光学材料および電子材料 |
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| US20180044245A1 (en) | 2015-03-03 | 2018-02-15 | 3M Innovative Properties Company | Gel compositions, shaped gel articles and a method of making a sintered article |
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| WO2013009984A2 (en) | 2011-07-12 | 2013-01-17 | Board Of Trustees Of Michigan State University | Porous sol gels and methods and structures related thereto |
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| US20190185328A1 (en) | 2019-06-20 |
| CN109641201A (zh) | 2019-04-16 |
| WO2018044565A1 (en) | 2018-03-08 |
| EP3507011A1 (en) | 2019-07-10 |
| JP7055970B2 (ja) | 2022-04-19 |
| KR20190042658A (ko) | 2019-04-24 |
| JP2019534228A (ja) | 2019-11-28 |
| EP3507011B1 (en) | 2024-06-26 |
| US11884550B2 (en) | 2024-01-30 |
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