KR100464722B1 - 비닐 화합물 중의 n-옥실 화합물의 안정화 방법 - Google Patents
비닐 화합물 중의 n-옥실 화합물의 안정화 방법 Download PDFInfo
- Publication number
- KR100464722B1 KR100464722B1 KR10-2000-0073700A KR20000073700A KR100464722B1 KR 100464722 B1 KR100464722 B1 KR 100464722B1 KR 20000073700 A KR20000073700 A KR 20000073700A KR 100464722 B1 KR100464722 B1 KR 100464722B1
- Authority
- KR
- South Korea
- Prior art keywords
- compound
- oxyl
- vinyl
- tetramethylpiperidine
- compounds
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07B—GENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR
- C07B63/00—Purification; Separation; Stabilisation; Use of additives
- C07B63/04—Use of additives
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/48—Separation; Purification; Stabilisation; Use of additives
- C07C67/62—Use of additives, e.g. for stabilisation
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Hydrogenated Pyridines (AREA)
- Polymerisation Methods In General (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Description
안정화제의 농도(ppm) | |||
4H-TEMPO | 1,4DH-TEMP | 4H-TEMP | |
1(Ex) | 100 | 100 | 100 |
2(Ex) | 96 | 2 | 2 |
3(C-Ex) | 100 | 200 | - |
4(C-Ex) | 100 | - | 200 |
5(C-Ex) | 100 | - |
4H-TEMPO의 농도(ppm) | ||||
30분 후 | 2시간 후 | 5시간 후 | 10시간 후 | |
1(Ex) | 100 | 100 | 100 | 98 |
2(Ex) | 92 | 77 | 70 | 65 |
3(C-Ex) | 62 | 45 | 32 | 21 |
4(C-Ex) | 58 | 43 | 30 | 18 |
5(C-Ex) | 49 | 31 | 22 | 13 |
Claims (5)
- 비닐 화합물 중의 N-옥실 화합물을 안정화시키는 방법에 있어서, N-옥실 화합물, N-히드록시-2,2,6,6-테트라메틸피페리딘 화합물 및 2,2,6,6-테트라메틸피페리딘 화합물을 비닐 화합물 중에 공존시키도록 하는 단계를 포함하는 것을 특징으로 하는 방법.
- 제 1 항에 있어서, 비닐 화합물이 (메타)아크릴산 또는 그것의 에스테르인 것을 특징으로 하는 방법.
- 제 1 항 또는 제 2 항에 있어서, N-옥실 화합물 100중량부에 대하여, N-히드록시-2,2,6,6-테트라메틸피페리딘 화합물의 양은 0.01 내지 500 중량부 범위이고, 그리고 2,2,6,6-테트라메틸피페리딘 화합물의 양은 0.01 내지 500 중량부 범위인 것을 특징으로 하는 방법.
- 제 1 항 또는 제 2 항에 있어서, N-옥실 화합물은 4-히드록시-2,2,6,6-테트라메틸피페리딘옥실이고, N-히드록시-2,2,6,6-테트라메틸피페리딘 화합물은 1,4-디히드록시-2,2,6,6-테트라메틸피페리딘이고, 그리고 2,2,6,6-테트라메틸피페리딘 화합물은 4-히드록시-2,2,6,6-테트라메틸피페리딘인 것을 특징으로 하는 방법.
- 제 1 항 또는 제 2 항에 있어서, N-옥실 화합물의 양은 비닐 화합물 100중량부에 대하여 0.0005 내지 0.1 중량부 범위인 것을 특징으로 하는 방법.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11-368430 | 1999-12-24 | ||
JP36843099A JP3863694B2 (ja) | 1999-12-24 | 1999-12-24 | ビニル化合物中のn−オキシル化合物の安定化方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20010062158A KR20010062158A (ko) | 2001-07-07 |
KR100464722B1 true KR100464722B1 (ko) | 2005-01-05 |
Family
ID=18491803
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR10-2000-0073700A KR100464722B1 (ko) | 1999-12-24 | 2000-12-06 | 비닐 화합물 중의 n-옥실 화합물의 안정화 방법 |
Country Status (12)
Country | Link |
---|---|
US (1) | US6300513B2 (ko) |
EP (1) | EP1114813B1 (ko) |
JP (1) | JP3863694B2 (ko) |
KR (1) | KR100464722B1 (ko) |
CN (1) | CN1183094C (ko) |
BR (1) | BR0005906A (ko) |
DE (1) | DE60010214T2 (ko) |
ID (1) | ID28764A (ko) |
MY (1) | MY123537A (ko) |
SG (1) | SG88802A1 (ko) |
TW (1) | TW500718B (ko) |
ZA (1) | ZA200007055B (ko) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19926758A1 (de) * | 1999-06-11 | 2000-12-14 | Basf Ag | Verfahren zur Verhinderung unerwünschter Polymerisation in einem ethylenisch ungesättigte Verbindungen enthaltenden Stoffgemisch |
JP4493063B2 (ja) * | 2000-03-02 | 2010-06-30 | 伯東株式会社 | スチレンの重合抑制方法 |
DE102006010347A1 (de) * | 2006-03-03 | 2007-09-06 | Degussa Gmbh | Polymerisationsinhibitor zur Stabilisierung von olefinisch ungesättigten Monomeren |
JP5378207B2 (ja) | 2007-05-29 | 2013-12-25 | 株式会社日本触媒 | (メタ)アクリル酸の製造方法 |
US8691994B2 (en) | 2011-02-03 | 2014-04-08 | Nalco Company | Multi-component polymerization inhibitors for ethylenically unsaturated monomers |
JP5752579B2 (ja) | 2011-12-09 | 2015-07-22 | 伯東株式会社 | 安定化された4−オキソ−2,2,6,6−テトラメチルピペリジン−1−オキシル含有組成物、ビニル化合物の重合禁止剤組成物、及びこれを用いたビニル化合物の重合禁止方法 |
US9399622B2 (en) | 2013-12-03 | 2016-07-26 | Ecolab Usa Inc. | Nitroxide hydroxylamine and phenylenediamine combinations as polymerization inhibitors for ethylenically unsaturated monomer processes |
WO2020205994A1 (en) | 2019-04-02 | 2020-10-08 | Ecolab Usa Inc. | Pure chlorine dioxide generation system with reduced acid usage |
TW202348788A (zh) * | 2022-04-01 | 2023-12-16 | 美商藝康美國公司 | 協同防汙劑組成物及使用其之方法 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5322960A (en) * | 1993-04-15 | 1994-06-21 | Nippon Shokubai Co., Ltd. | Method for inhibiting polymerization of (meth) acrylic acid and esters thereof |
TW294658B (ko) * | 1994-06-02 | 1997-01-01 | Nippon Catalytic Chem Ind | |
US5877344A (en) * | 1997-06-13 | 1999-03-02 | Ciba Specialty Chemicals Corporation | Polymerization inhibition of acrylates using blends of nitroxides |
KR20010106405A (ko) * | 1998-07-14 | 2001-11-29 | 시바 스폐셜티 케미칼스 홀딩 인코포레이티드 | (메타)아크릴레이트 모노머용 중합방지제로서의1-옥실-4-히드록시- 또는4-아미노-2,2,6,6-테트라메틸피페리딘 유도체 |
-
1999
- 1999-12-24 JP JP36843099A patent/JP3863694B2/ja not_active Expired - Fee Related
-
2000
- 2000-11-27 TW TW089125158A patent/TW500718B/zh not_active IP Right Cessation
- 2000-11-28 MY MYPI20005536A patent/MY123537A/en unknown
- 2000-11-30 ZA ZA200007055A patent/ZA200007055B/xx unknown
- 2000-11-30 SG SG200007016A patent/SG88802A1/en unknown
- 2000-12-05 US US09/729,760 patent/US6300513B2/en not_active Expired - Lifetime
- 2000-12-06 EP EP00310845A patent/EP1114813B1/en not_active Expired - Lifetime
- 2000-12-06 DE DE60010214T patent/DE60010214T2/de not_active Expired - Lifetime
- 2000-12-06 KR KR10-2000-0073700A patent/KR100464722B1/ko active IP Right Grant
- 2000-12-18 BR BR0005906-4A patent/BR0005906A/pt not_active Application Discontinuation
- 2000-12-18 ID IDP20001098A patent/ID28764A/id unknown
- 2000-12-22 CN CNB001364413A patent/CN1183094C/zh not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP1114813A3 (en) | 2002-04-17 |
US6300513B2 (en) | 2001-10-09 |
DE60010214D1 (de) | 2004-06-03 |
JP2001181252A (ja) | 2001-07-03 |
SG88802A1 (en) | 2002-05-21 |
CN1183094C (zh) | 2005-01-05 |
US20010005755A1 (en) | 2001-06-28 |
ID28764A (id) | 2001-06-28 |
ZA200007055B (en) | 2001-06-05 |
EP1114813A2 (en) | 2001-07-11 |
JP3863694B2 (ja) | 2006-12-27 |
DE60010214T2 (de) | 2005-04-28 |
BR0005906A (pt) | 2001-11-27 |
EP1114813B1 (en) | 2004-04-28 |
CN1301690A (zh) | 2001-07-04 |
TW500718B (en) | 2002-09-01 |
KR20010062158A (ko) | 2001-07-07 |
MY123537A (en) | 2006-05-31 |
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