KR0177045B1 - 비닐 방향족 단량체의 중합 억제 조성물 및 방법 - Google Patents
비닐 방향족 단량체의 중합 억제 조성물 및 방법 Download PDFInfo
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- KR0177045B1 KR0177045B1 KR1019930014662A KR930014662A KR0177045B1 KR 0177045 B1 KR0177045 B1 KR 0177045B1 KR 1019930014662 A KR1019930014662 A KR 1019930014662A KR 930014662 A KR930014662 A KR 930014662A KR 0177045 B1 KR0177045 B1 KR 0177045B1
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- Prior art keywords
- oxyl
- tetramethylpiperidin
- compound
- bis
- vinyl aromatic
- Prior art date
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/42—Separation; Purification; Stabilisation; Use of additives
- C07C51/50—Use of additives, e.g. for stabilisation
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C7/00—Purification; Separation; Use of additives
- C07C7/20—Use of additives, e.g. for stabilisation
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Analytical Chemistry (AREA)
- Water Supply & Treatment (AREA)
- Polymerisation Methods In General (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Hydrogenated Pyridines (AREA)
Abstract
Description
Claims (10)
- 하기 화합물로 이루어진 조성물: (a) 비닐 방향족 화합물, 및 (b) 상기 비닐 방향족 화합물, 증류 또는 정제중의 조기 중합 반응을 방지하기 위한 하기 혼합물의 유효 억제량: (i) 성분 (i) 및 (ii)의 총 중량을 기준으로, 안정한 장애 니트록실 화합물의 5 내지 95 중량%, 및 (ii) 성분 (i) 및 (ii)의 총 중량을 기준으로, 안정한 방향족 니트로 화합물의 95 내지 5 중량%.
- 제1항에 있어서, 성분 (i) 및 (ii)의 양이 성분 (i)의 10 내지 90 중량% 및 성분 (ii)의 90 내지 10 중량%인 조성물.
- 제1항에 있어서, 성분 (a)의 비닐 방향족 화합물이 스티렌, α -메틸스티렌, 비닐톨루엔, 디비닐벤젠, 스티렌술폰산 및 구조적 이성체, 상기 화합물의 유도체 및 그의 혼합물로 이루어진 군으로부터 선택된 조성물.
- 제1항에 있어서, 성분 (i)의 안정한 장애 니트록실 화합물이 하기 화합물로 이루어진 군으로부터 선택되는 조성물:디-3차부틸니트록실, 1-옥실 -2,2,6,6-테트라메틸피페리딘, 1-옥실 -2,2,6,6-테트라메틸피페리딘-4-올, 1-옥실 -2,2,6,6-테트라메틸피페리딘-4-온, 1-옥실 -2,2,6,6-테트라메틸피페리딘 -4-일 아세테이트, 1-옥실 -2,2,6,6-테트라메틸피페리딘-4-일 -2-에틸헥산오에이트, 1-옥실-2,2,6,6-테트라메틸피페리딘- 4-일 스테아레이트, 1-옥실- 2,2,6,6-테트라메틸피페리딘 -4-일 벤조에이트, 1-옥실 -2,2,6,6-테트라메틸피페리딘-4-일 4-3차부틸벤조에이트, 비스(1-옥실 -2,2,6,6-테트라메틸피페리딘-4-일)숙신에이트, 비스(1-옥실 -2,2,6,6-테트라메틸피페리딘-4-일)아디페이트, 비스(1-옥실-2,2,6,6-테트라메틸피페리딘-4-일)세바케이트, 비스(1-옥실 -2,2,6,6-테트라메틸피페리딘 -4-일)n-부틸말로네이트, 비스(1-옥실 -2,2,6,6-테트라메 틸피페리딘)프탈레이트, 비스(1-옥실 -2,2,6,6-테트라메틸피페리딘-4-일)이 소프탈레이트, 비스(1-옥실-2,2,6,6-테트라메틸피페리딘-4-일)테레프탈레이 트, 비스(1-옥실 -2,2,6,6-테트라메틸피페리딘-4-일 )헥사히드로테레프탈레 이트, N,N'-비스(1-옥실 -2,2,6,6-테트라메틸피페리딘-4-일)아디프아미드, N-(1-옥실 -2,2,6,6-테트라메틸피페리딘 -4-일) -카프롤락탐, N-(1-옥실 -2,2,6,6-테트라메틸피페리딘-4-일) -도데실숙신이미드, 2,4,6-트리스- [N-부틸 -N- (1-옥실 -2,2,6,6-테트라메틸피페리딘 -4-일) -5-트리아진, 및 4,4'-에틸렌 비스(1-옥실 -2,2,6,6-테트라메틸피페라진-3-온).
- 제4항에 있어서, 성분 (i)의 화합물이 비스(1-옥실-2,2,6,6-테트라메틸피페리딘-4-일)세바케이트, 2,4,6-트리스-[N-부틸-N-(1-옥실 -2,2,6,6-테트라메틸피페리딘 -4-일]-s-트리아진, 및 4,4'-에틸렌비스(1-옥실 -2,2,6,6-테트라메틸피페라진-3-온)인 조성물.
- 제1항에 있어서, 성분 (ii)의 화합물이 하기 화합물로 이루어진 군으로부터 선택되는 조성물:1,3-디니트로벤젠, 1,4-디니트로벤젠, 2,6-디니트로-4-메틸페놀, 2-니트로-4-메틸페놀, 2,4-디니트로-1-나프톨, 2,4,6-트리니 트로페놀(피크르산), 2,4-디니트로-6-메틸페놀, 2,4-디니트로클로로벤젠, 2,4-디니트로페놀, 2,4-디니트로-6-2차부틸페놀, 4-시아노-2-니트로페놀, 및 3-요오도-4-시아노-5-니트로페놀.
- 중류 또는 정제중 비닐 방향족 화합물의 조기 중합반응을 방지하기 위해 하기 혼합물의 유효 억제량을 혼입하는 것을 포함하는, 증류 또는 정제중의 비닐 방향족 화합물의 조기 중합 반응 억제방법: (i) 성분 (i) 및 (ii)의 총 중량을 기준으로, 안정한 장애 니트록실 화합물의 5 내지 95 중량%, 및 (ii) 성분 (i) 및 (ii)의 총 중량을 기준으로, 방향족 니트로 화합물의 95 내지 5 중량%.
- 제7항에 있어서, 비닐 방향족 화합물이 50℃ 내지 150℃에서 증류 또는 정제되는 방법.
- 제7항에 있어서, 성분 (i) 및 (ii)의 혼합물을 중류 또는 정제가 이루어지는 지점의 상류에서 연속적으로 또는 간헐적으로 비닐 방향족 화합물에 부가하는 방법.
- 제7항에 있어서, 성분 (i) 및 (ii)를 증류 또는 정제가 이루어지는 지점 이전에 비닐 방향족 화합물 공정 스트림으로 각각 다른 입구에서 개별적으로 부가하는 방법.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US7/921,824 | 1992-07-29 | ||
US07/921,824 US5254760A (en) | 1992-07-29 | 1992-07-29 | Inhibiting polymerization of vinyl aromatic monomers |
Publications (2)
Publication Number | Publication Date |
---|---|
KR940005687A KR940005687A (ko) | 1994-03-22 |
KR0177045B1 true KR0177045B1 (ko) | 1999-05-15 |
Family
ID=25446025
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019930014662A KR0177045B1 (ko) | 1992-07-29 | 1993-07-28 | 비닐 방향족 단량체의 중합 억제 조성물 및 방법 |
Country Status (14)
Country | Link |
---|---|
US (1) | US5254760A (ko) |
EP (1) | EP0581737B1 (ko) |
JP (1) | JP2855399B2 (ko) |
KR (1) | KR0177045B1 (ko) |
CN (1) | CN1041513C (ko) |
AU (1) | AU666024B2 (ko) |
BR (1) | BR9303023A (ko) |
CA (1) | CA2101359C (ko) |
DE (1) | DE69310044T2 (ko) |
ES (1) | ES2101995T3 (ko) |
MX (1) | MX9304506A (ko) |
RU (1) | RU2116285C1 (ko) |
SA (1) | SA93140161B1 (ko) |
TW (1) | TW226023B (ko) |
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-
1992
- 1992-07-29 US US07/921,824 patent/US5254760A/en not_active Expired - Lifetime
-
1993
- 1993-07-09 TW TW082105491A patent/TW226023B/zh active
- 1993-07-12 RU RU93048468A patent/RU2116285C1/ru not_active IP Right Cessation
- 1993-07-20 DE DE69310044T patent/DE69310044T2/de not_active Revoked
- 1993-07-20 EP EP93810519A patent/EP0581737B1/en not_active Revoked
- 1993-07-20 ES ES93810519T patent/ES2101995T3/es not_active Expired - Lifetime
- 1993-07-27 MX MX9304506A patent/MX9304506A/es unknown
- 1993-07-27 CA CA002101359A patent/CA2101359C/en not_active Expired - Lifetime
- 1993-07-28 CN CN93108469A patent/CN1041513C/zh not_active Expired - Lifetime
- 1993-07-28 KR KR1019930014662A patent/KR0177045B1/ko not_active IP Right Cessation
- 1993-07-28 AU AU44250/93A patent/AU666024B2/en not_active Ceased
- 1993-07-28 BR BR9303023A patent/BR9303023A/pt not_active IP Right Cessation
- 1993-07-29 JP JP5207235A patent/JP2855399B2/ja not_active Expired - Lifetime
- 1993-09-08 SA SA93140161A patent/SA93140161B1/ar unknown
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CA2101359A1 (en) | 1994-01-30 |
JP2855399B2 (ja) | 1999-02-10 |
JPH06166636A (ja) | 1994-06-14 |
BR9303023A (pt) | 1994-03-15 |
EP0581737A2 (en) | 1994-02-02 |
RU2116285C1 (ru) | 1998-07-27 |
AU666024B2 (en) | 1996-01-25 |
DE69310044T2 (de) | 1997-11-20 |
EP0581737A3 (en) | 1995-06-21 |
CA2101359C (en) | 2001-03-20 |
AU4425093A (en) | 1994-02-03 |
CN1084155A (zh) | 1994-03-23 |
MX9304506A (es) | 1994-01-31 |
TW226023B (ko) | 1994-07-01 |
CN1041513C (zh) | 1999-01-06 |
US5254760A (en) | 1993-10-19 |
DE69310044D1 (de) | 1997-05-28 |
EP0581737B1 (en) | 1997-04-23 |
ES2101995T3 (es) | 1997-07-16 |
SA93140161B1 (ar) | 2005-06-13 |
KR940005687A (ko) | 1994-03-22 |
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