KR101475745B1 - 고분자 중합체를 이용한 gos 섬광체, 및 그의 제조 방법 - Google Patents
고분자 중합체를 이용한 gos 섬광체, 및 그의 제조 방법 Download PDFInfo
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- KR101475745B1 KR101475745B1 KR1020130051165A KR20130051165A KR101475745B1 KR 101475745 B1 KR101475745 B1 KR 101475745B1 KR 1020130051165 A KR1020130051165 A KR 1020130051165A KR 20130051165 A KR20130051165 A KR 20130051165A KR 101475745 B1 KR101475745 B1 KR 101475745B1
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- 238000000034 method Methods 0.000 title claims abstract description 24
- 229920000642 polymer Polymers 0.000 title claims abstract description 18
- 238000004519 manufacturing process Methods 0.000 claims abstract description 9
- 239000004793 Polystyrene Substances 0.000 claims description 45
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical group C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims description 44
- 229920002223 polystyrene Polymers 0.000 claims description 43
- 239000000203 mixture Substances 0.000 claims description 16
- 239000000843 powder Substances 0.000 claims description 14
- 229910052751 metal Inorganic materials 0.000 claims description 10
- 239000002184 metal Substances 0.000 claims description 10
- 229910052688 Gadolinium Inorganic materials 0.000 claims description 9
- UIWYJDYFSGRHKR-UHFFFAOYSA-N gadolinium atom Chemical compound [Gd] UIWYJDYFSGRHKR-UHFFFAOYSA-N 0.000 claims description 9
- 229910052736 halogen Inorganic materials 0.000 claims description 8
- 150000002367 halogens Chemical class 0.000 claims description 8
- 238000006116 polymerization reaction Methods 0.000 claims description 8
- 238000002156 mixing Methods 0.000 claims description 7
- 230000000379 polymerizing effect Effects 0.000 claims description 6
- 229910052684 Cerium Inorganic materials 0.000 claims description 4
- 229910052692 Dysprosium Inorganic materials 0.000 claims description 4
- 229910052691 Erbium Inorganic materials 0.000 claims description 4
- 229910052693 Europium Inorganic materials 0.000 claims description 4
- 229910052689 Holmium Inorganic materials 0.000 claims description 4
- 229910052779 Neodymium Inorganic materials 0.000 claims description 4
- 229910052777 Praseodymium Inorganic materials 0.000 claims description 4
- 229910052772 Samarium Inorganic materials 0.000 claims description 4
- 229910052771 Terbium Inorganic materials 0.000 claims description 4
- 229910052775 Thulium Inorganic materials 0.000 claims description 4
- 229910052769 Ytterbium Inorganic materials 0.000 claims description 4
- 229910052746 lanthanum Inorganic materials 0.000 claims description 4
- 238000007872 degassing Methods 0.000 claims description 3
- 238000002525 ultrasonication Methods 0.000 claims description 2
- 229910052794 bromium Inorganic materials 0.000 claims 2
- 229910052801 chlorine Inorganic materials 0.000 claims 2
- 229910052740 iodine Inorganic materials 0.000 claims 2
- 230000008569 process Effects 0.000 abstract description 8
- 230000035945 sensitivity Effects 0.000 abstract description 5
- 239000000243 solution Substances 0.000 description 15
- 239000013078 crystal Substances 0.000 description 10
- 229910003460 diamond Inorganic materials 0.000 description 6
- 239000010432 diamond Substances 0.000 description 6
- 239000010410 layer Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 239000002245 particle Substances 0.000 description 5
- 230000000704 physical effect Effects 0.000 description 5
- 230000005855 radiation Effects 0.000 description 5
- 238000000862 absorption spectrum Methods 0.000 description 4
- 230000007423 decrease Effects 0.000 description 4
- 238000003745 diagnosis Methods 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 4
- 238000002834 transmittance Methods 0.000 description 4
- 238000004846 x-ray emission Methods 0.000 description 4
- 239000000919 ceramic Substances 0.000 description 3
- 238000002591 computed tomography Methods 0.000 description 3
- 238000000295 emission spectrum Methods 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 239000011259 mixed solution Substances 0.000 description 3
- 238000001228 spectrum Methods 0.000 description 3
- 229910052765 Lutetium Inorganic materials 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 239000010408 film Substances 0.000 description 2
- RZILCCPWPBTYDO-UHFFFAOYSA-N fluometuron Chemical compound CN(C)C(=O)NC1=CC=CC(C(F)(F)F)=C1 RZILCCPWPBTYDO-UHFFFAOYSA-N 0.000 description 2
- 239000003999 initiator Substances 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000002595 magnetic resonance imaging Methods 0.000 description 2
- 238000009659 non-destructive testing Methods 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000002405 diagnostic procedure Methods 0.000 description 1
- MIKCAECBBIRHCH-UHFFFAOYSA-N gadolinium(3+);oxygen(2-);trisulfide Chemical compound [O-2].[O-2].[O-2].[S-2].[S-2].[S-2].[Gd+3].[Gd+3].[Gd+3].[Gd+3] MIKCAECBBIRHCH-UHFFFAOYSA-N 0.000 description 1
- 229920006158 high molecular weight polymer Polymers 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 239000003562 lightweight material Substances 0.000 description 1
- 239000003550 marker Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000007517 polishing process Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 238000002601 radiography Methods 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 230000001235 sensitizing effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000004611 spectroscopical analysis Methods 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000004875 x-ray luminescence Methods 0.000 description 1
- 229910052724 xenon Inorganic materials 0.000 description 1
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
- C09K11/08—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
- C09K11/77—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals
- C09K11/7713—Sulfates
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
- G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
- G01T1/16—Measuring radiation intensity
- G01T1/20—Measuring radiation intensity with scintillation detectors
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- Spectroscopy & Molecular Physics (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- High Energy & Nuclear Physics (AREA)
- Molecular Biology (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Measurement Of Radiation (AREA)
Abstract
Description
도 2는 본원의 일 실시예에 따른 PS-기반 GOS 섬광체들의 CCD (charge coupled device) 카메라에 의한 X-선 발광을 나타내는 사진이다.
도 3은 본원의 일 실시예에 따른 PS-기반 GOS 디스크 섬광체의 광출력을 나타내는 그래프이다.
도 4는 본원의 일 실시예에 따른 PS-기반 GOS 섬광체의 방출 스펙트럼 (emission spectrum)을 나타내는 그래프이다.
도 5는 본원의 일 실시예에 따른 PS-기반 GOS 섬광체의 흡수 스펙트럼을 나타내는 그래프이다.
도 6은 본원의 일 실시예에 따른 PS-기반 GOS 섬광체를 다이아몬드 커터로 재단한 모습을 나타내는 사진이다.
도 7은 본원의 일 실시예에 따른 PS-기반 GOS 섬광체의 질량 및 투과도를 통하여 측정된 GOS의 실제 농도 및 그에 따른 상대광출력을 나타내는 그래프이다.
Claims (10)
- 폴리 스티렌 지지체; 및,
GOS (gadolinium oxisulfide)
를 포함하는, 고분자 중합체를 이용한 GOS 섬광체로서,
상기 GOS는 상기 폴리 스티렌 10 중량부에 대하여 0.1 중량부 내지 10 중량부로 포함되며,
상기 고분자 중합체를 이용한 GOS 섬광체는 스티렌 단량체 및 GOS (gadolinium oxisulfide) 분말을 혼합하여, 상기 스티렌을 중합하여 수득되는 것인,
고분자 중합체를 이용한 GOS 섬광체.
- 삭제
- 제 1 항에 있어서,
상기 GOS는 금속 원소 또는 할로겐 원소로 도핑된 것, 또는 도핑되지 않은 것을 포함하는 것인, 고분자 중합체를 이용한 GOS 섬광체.
- 제 3 항에 있어서,
상기 금속 원소 또는 할로겐 원소는 La, Ce, Pr, Nd, Pm, Sm, Eu, Tb, Dy, Ho, Er, Tm, Yb, Lu, F, Cl, Br, I, 및 이들의 조합들로 이루어진 군으로부터 선택되는 것을 포함하는 것인, 고분자 중합체를 이용한 GOS 섬광체.
- 스티렌 단량체 및 GOS (gadolinium oxisulfide) 분말을 혼합하여 스티렌을 포함하는 GOS 혼합액을 제조하고; 및,
상기 스티렌을 포함하는 GOS 혼합액의 스티렌을 중합하여 폴리 스티렌-기반의 GOS 섬광체를 수득하는 것
을 포함하는,
고분자 중합체를 이용한 GOS 섬광체의 제조 방법.
- 제 5 항에 있어서,
상기 GOS 혼합액을 진공 분위기 하에서 탈가스 처리하는 것을 추가 포함하는, 고분자 중합체를 이용한 GOS 섬광체의 제조 방법.
- 제 5 항에 있어서,
상기 GOS는 상기 스티렌 단량체 10 중량부에 대하여 0.1 중량부 내지 10 중량부로 혼합되는 것인, 고분자 중합체를 이용한 GOS 섬광체의 제조 방법.
- 제 5 항에 있어서,
상기 GOS 혼합액은 상기 중합 공정 전에 초음파 처리하는 것을 추가 포함하는, 고분자 중합체를 이용한 GOS 섬광체의 제조 방법.
- 제 5 항에 있어서,
상기 GOS는 금속 원소 또는 할로겐 원소로 도핑된 것, 또는 도핑되지 않은 것을 포함하는 것인, 고분자 중합체를 이용한 GOS 섬광체의 제조 방법.
- 제 9 항에 있어서,
상기 금속 원소 또는 할로겐 원소는 La, Ce, Pr, Nd, Pm, Sm, Eu, Tb, Dy, Ho, Er, Tm, Yb, Lu, F, Cl, Br, I, 및 이들의 조합들로 이루어진 군으로부터 선택되는 것을 포함하는 것인, 고분자 중합체를 이용한 GOS 섬광체의 제조 방법.
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CN114031403A (zh) * | 2021-12-09 | 2022-02-11 | 安徽光智科技有限公司 | 一种硫氧化钆闪烁陶瓷的制备方法及其硫氧化钆闪烁陶瓷的应用 |
CN118732011B (zh) * | 2024-09-04 | 2024-12-31 | 奕瑞新材料科技(太仓)有限公司 | 一种树脂闪烁体及其制备方法和在辐射探测器中的应用 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10171049A (ja) * | 1996-12-06 | 1998-06-26 | Fuji Photo Film Co Ltd | ハロゲン化銀写真感光材料およびそれを用いた写真組体 |
EP0967620A1 (en) * | 1998-06-26 | 1999-12-29 | Agfa-Gevaert N.V. | X-ray luminescent article offering improved film sharpness |
US20060054863A1 (en) * | 2004-09-14 | 2006-03-16 | Sheng Dai | Composite scintillators for detection of ionizing radiation |
US20080237470A1 (en) * | 2007-03-26 | 2008-10-02 | General Electric Company | Polymeric composite scintillators and method for making same |
-
2013
- 2013-05-07 KR KR1020130051165A patent/KR101475745B1/ko active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10171049A (ja) * | 1996-12-06 | 1998-06-26 | Fuji Photo Film Co Ltd | ハロゲン化銀写真感光材料およびそれを用いた写真組体 |
EP0967620A1 (en) * | 1998-06-26 | 1999-12-29 | Agfa-Gevaert N.V. | X-ray luminescent article offering improved film sharpness |
US20060054863A1 (en) * | 2004-09-14 | 2006-03-16 | Sheng Dai | Composite scintillators for detection of ionizing radiation |
US20080237470A1 (en) * | 2007-03-26 | 2008-10-02 | General Electric Company | Polymeric composite scintillators and method for making same |
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