KR100700624B1 - 니오디뮴-탄소나노튜브 합성과, 이를 이용한 고 1,4-시스폴리부타디엔 제조방법 - Google Patents
니오디뮴-탄소나노튜브 합성과, 이를 이용한 고 1,4-시스폴리부타디엔 제조방법 Download PDFInfo
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- KR100700624B1 KR100700624B1 KR1020050083836A KR20050083836A KR100700624B1 KR 100700624 B1 KR100700624 B1 KR 100700624B1 KR 1020050083836 A KR1020050083836 A KR 1020050083836A KR 20050083836 A KR20050083836 A KR 20050083836A KR 100700624 B1 KR100700624 B1 KR 100700624B1
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F36/00—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds
- C08F36/02—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds
- C08F36/04—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds conjugated
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S526/00—Synthetic resins or natural rubbers -- part of the class 520 series
- Y10S526/908—Containing catalyst of specified particle size
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S977/00—Nanotechnology
- Y10S977/70—Nanostructure
- Y10S977/734—Fullerenes, i.e. graphene-based structures, such as nanohorns, nanococoons, nanoscrolls or fullerene-like structures, e.g. WS2 or MoS2 chalcogenide nanotubes, planar C3N4, etc.
- Y10S977/742—Carbon nanotubes, CNTs
- Y10S977/745—Carbon nanotubes, CNTs having a modified surface
- Y10S977/746—Modified with biological, organic, or hydrocarbon material
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S977/00—Nanotechnology
- Y10S977/70—Nanostructure
- Y10S977/734—Fullerenes, i.e. graphene-based structures, such as nanohorns, nanococoons, nanoscrolls or fullerene-like structures, e.g. WS2 or MoS2 chalcogenide nanotubes, planar C3N4, etc.
- Y10S977/742—Carbon nanotubes, CNTs
- Y10S977/745—Carbon nanotubes, CNTs having a modified surface
- Y10S977/748—Modified with atoms or molecules bonded to the surface
Abstract
Description
구 분 | 촉매 | 함량 (%) | 중량 평균 분자량 (Mw) | 분자량 분포도 (MWD) | 무니 점도 (ML1+4, 100 ℃) | 용액 점도 (5.3%, 25 ℃) | 전도도 (S/cm) | 저온 흐름성 (mg/min) | ||
시스 | 트렌스 | 비닐 | ||||||||
실시예1 | Nd-CNT | 97.6 | 1.8 | 0.6 | 609000 | 3.31 | 29.5 | 128 | 3.6 × 10-9 | 0.7 |
실시예2 | Nd-CNT | 98.2 | 1.4 | 0.4 | 867000 | 2.66 | 35.0 | 217 | 7.9 ×10-8 | 0.6 |
실시예3 | Nd-CNT | 98.6 | 1.1 | 0.3 | 923000 | 2.80 | 39.5 | 355 | 2.1 × 10-7 | 0.5 |
실시예4 | Nd-CNT | 98.4 | 1.2 | 0.4 | 653000 | 3.28 | 27.5 | 289 | 1.1 × 10-8 | 0.9 |
비교예1 | NdHV4 | 98.0 | 1.5 | 0.5 | 712000 | 2.59 | 33.0 | 298 | 1.5 × 10-15 | 2.9 |
비교예2 | NdHV4 | 98.3 | 1.7 | 0.6 | 799000 | 2.79 | 35.5 | 327 | 7.3 ×10-14 | 2.5 |
시험항목 | 실시예 2 | 실시예 3 | 비교예 1 | 비교예 2 |
MV (100 ℃) | 35.0 | 39.5 | 33.0 | 35.5 |
300%-모듈러스 (kgf/cm2) | 121.6 | 129.5 | 106.5 | 101.4 |
인장강도 (kgf/cm2) | 189.4 | 207.7 | 140.0 | 145.9 |
리바운드(REBOUND) (%) | 56.4 | 57.3 | 49.3 | 50.6 |
피코 마모 (PICO ABRASION) (mg) | 12.9 | 12.5 | 17.8 | 17.0 |
Claims (6)
- 다음 화학식 1로 표시되는 니오디뮴-탄소나노튜브:[화학식 1]Ndx(CNT)(A)y·(HA)q상기 화학식 1에서, A는 C8 ∼ C20인 카르복실레이트이고, HA는 카르복실산이고, CNT는 탄소나노튜브이고, x는 CNT에 결합되어 있는 니오디뮴 원자의 개수이고, y는 카르복실레이트 그룹의 개수이고, q는 CNT에 결합되어 있는 카르복시산의 개수이며, 이때 y = 3x 이고, 0 ≤ q/x ≤ 10이다.
- 제 1 항에 있어서, 상기 A는 네오데칸오에이트, 옥토에이트, 스티어에이트 및 나프터네이트 중에서 선택된 것을 특징으로 하는 니오디뮴-탄소나노튜브.
- (1) 다음 화학식 1로 표시되는 니오디뮴-탄소나노튜브;(2) 다음 화학식 2로 표시되는 할로겐 화합물; 및(3) 다음 화학식 3으로 표시되는 유기금속화합물을 함유하여 이루어진 것을 특징으로 하는 디엔 중합용 촉매:[화학식 1]Ndx(CNT)(A)y·(HA)q상기 화학식 1에서, A는 C8 ∼ C20인 카르복실레이트이고, HA는 카르복실산이고, CNT는 탄소나노튜브이고, x는 CNT에 결합되어 있는 니오디뮴 원자의 개수이고, y는 카르복실레이트 그룹의 개수이고, q는 CNT에 결합되어 있는 카르복시산의 개수이며, 이때 y = 3x 이고, 0 ≤ q/x ≤ 10이다;[화학식 2](R1)nAlXn-3상기 화학식 2에서, R1은 C1 ∼ C10의 알킬기, 아릴기 또는 수소원자이고, X는 할로겐 원자이고, n은 1 또는 2의 정수이다;[화학식 3]M(R2)r상기 화학식 3에서, R2는 C1 ∼ C10의 알킬기, 시클로알킬기, 아릴기, 아릴알킬기, 알콕시기 또는 수소원자이고, M은 Al, Mg 및 Li 중에서 선택된 금속원자이며, 1 ≤ r ≤ 3이다.
- 제 3 항에 있어서, 상기 할로겐 화합물은 니오디뮴 원자 1몰 기준으로 할로겐 원자가 1 ∼ 20 몰인 것을 특징으로 하는 디엔 중합용 촉매.
- 제 3 항에 있어서, 상기 유기금속 화합물은 니오디뮴 원자 1몰 기준으로 유기금속이 20 ∼ 100 몰인 것을 특징으로 하는 디엔 중합용 촉매.
- 비극성 용매 존재하에서 디엔 화합물 중합하여 폴리디엔을 제조하는 방법에 있어서,상기 중합은 상기 청구항 3 내지 5 중에서 선택된 어느 하나의 촉매를 사용하는 것을 특징으로 하는 높은 1,4-시스 함량을 갖는 폴리디엔의 제조방법.
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KR1020050083836A KR100700624B1 (ko) | 2005-09-08 | 2005-09-08 | 니오디뮴-탄소나노튜브 합성과, 이를 이용한 고 1,4-시스폴리부타디엔 제조방법 |
US11/315,322 US7151146B1 (en) | 2005-09-08 | 2005-12-23 | Neodymium-carbon nanotube and method of preparing high 1,4-cis-polybutadiene using the same |
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US20110039459A1 (en) * | 2009-08-11 | 2011-02-17 | Yancey Jerry W | Solderless carbon nanotube and nanowire electrical contacts and methods of use thereof |
US9663369B2 (en) | 2011-12-16 | 2017-05-30 | International Business Machines Corporation | Cerium (IV) salts as effective dopant for carbon nanotubes and graphene |
US8912525B2 (en) | 2011-12-16 | 2014-12-16 | International Business Machines Corporation | Chemical oxidation of graphene and carbon nanotubes using Cerium (IV) ammonium nitrate |
CN104190948B (zh) * | 2014-08-25 | 2017-01-11 | 西安近代化学研究所 | 碳纳米管-铝粉复合材料的制备方法 |
CN107910560A (zh) * | 2017-10-25 | 2018-04-13 | 温州大学 | 纳米碳基氮掺杂非贵金属复合电催化材料及其采用高温退火的制备方法与应用 |
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