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windbreaker新蟲 (小有名氣)
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[求助]
4-甲基-3-硝基苯酚 2042-14-0 已有2人參與
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| 哪位大神知道這個(gè)產(chǎn)品具體是做什么的?是什么產(chǎn)品的中間體?國(guó)內(nèi)有哪些廠家生產(chǎn)(試劑公司除外)?謝謝!急!! |
新蟲 (小有名氣)
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金蟲 (正式寫手)
專家顧問(wèn) (職業(yè)作家)
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專家經(jīng)驗(yàn): +264 |
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可以用作聚合物聚合時(shí)的抑制劑和減速劑。Inhibiting and retarding the premature polymn. and the polymer growth of vinyl arom. monomers comprises adding to the monomers an effective amt. of an inhibitor and retarder blend comprising (A) ≥1 arom. sulfonic acid, (B) ≥1 amine, (C) ≥1 nitrophenol, and (D) ≥1 member of the group of nitroxy radical-contg. compds. and nitrosoanilines. The Continuous Dynamic Reboiler Test of the combination of 4-oxo-TEMPO/dodecylbenzenesulfonic/N-methyl-2-pyrrolidinone/2,4-dinitro-6-sec-butylphenol at concns. of 100 ppm/100 ppm/30 ppm/ 250 ppm, resp., resulted in 0.0004% polymer in 5 h steady stage and 0.31% polymer after 2 h feed shut off. US 20060122341 |
新蟲 (小有名氣)
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