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公开(公告)号:US06222080B1
公开(公告)日:2001-04-24
申请号:US09461146
申请日:1999-12-14
IPC分类号: C09K1500
CPC分类号: C07C251/22 , C07C7/20 , C07C15/46
摘要: This invention relates to a vinyl aromatic, especially styrene, polymerization inhibitor system comprising an N-phenyl-1,4-benzoquinoneimine compound and optionally an aryl-substituted phenylenediamine.
摘要翻译: 本发明涉及包含N-苯基-1,4-苯醌亚胺化合物和任选的芳基取代的苯二胺的乙烯基芳族化合物,特别是苯乙烯聚合抑制剂体系。
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公开(公告)号:US6039895A
公开(公告)日:2000-03-21
申请号:US276685
申请日:1994-07-18
IPC分类号: C07C7/20 , C07C15/44 , C07C251/22 , C09K15/00
CPC分类号: C07C251/22 , C07C7/20
摘要: This invention relates to a vinyl aromatic, especially styrene, polymerization inhibitor system comprising an N-phenyl-1,4-benzoquinoneimine compound and optionally an aryl-substituted phenylenediamine.
摘要翻译: 本发明涉及包含N-苯基-1,4-苯醌亚胺化合物和任选的芳基取代的苯二胺的乙烯基芳族化合物,特别是苯乙烯聚合抑制剂体系。
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3.
公开(公告)号:US5659095A
公开(公告)日:1997-08-19
申请号:US615663
申请日:1996-03-13
申请人: Howard Stephen Friedman , Gerald John Abruscato , John Matthew DeMassa , Anthony Vincent Gentile , Anthony Vincent Grossi
发明人: Howard Stephen Friedman , Gerald John Abruscato , John Matthew DeMassa , Anthony Vincent Gentile , Anthony Vincent Grossi
摘要: A polymerization inhibitor composition for inhibiting the polymerization of aromatic vinyl monomers at elevated temperatures comprising:(a) a benzofuroxan derivative of the formula ##STR1## wherein R is C.sub.1 -C.sub.4 alkyl or alkoxy; R.sup.1 is a nitro group; and m and n are each independently 0, 1, or 2; and(b) a solvent selected from the group consisting of toluene, xylene, ethylbenzene, vinyltoluene, divinylbenzene, alpha-methylstyrene, and a C.sub.12 -C.sub.18 hydrocarbon,and methods for inhibiting the polymerization of aromatic vinyl monomers at elevated temperatures using this composition.
摘要翻译: 一种用于抑制芳族乙烯基单体在高温下聚合的聚合抑制剂组合物,包括:(a)下式的苯并呋喃衍生物,其中R是C 1 -C 4烷基或烷氧基; R1是硝基; m和n各自独立地为0,1或2; 和(b)选自甲苯,二甲苯,乙苯,乙烯基甲苯,二乙烯基苯,α-甲基苯乙烯和C 12 -C 18烃的溶剂,以及使用该组合物在高温下抑制芳族乙烯基单体聚合的方法。
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