INHIBITING EFFECT ON THE BADICAL POLYMERIZATION OF VINYL MONOMERS XIV. STUDIES ON THE SYNTHESIS OF THE OLIGOMER OF POLY-4-METHACRYLOYLOXY-2, 2, 6, 6-TETREMETHYLPIPERIDINE-1-OXIDE AND ITS INHIBITION ON POLYMERIZATION OF ACRYLIC ACID

Zhang Zi-yi; LI Zhao-long; LI Bao-qing; CHENG Jian-xin

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INHIBITING EFFECT ON THE BADICAL POLYMERIZATION OF VINYL MONOMERS XIV. STUDIES ON THE SYNTHESIS OF THE OLIGOMER OF POLY-4-METHACRYLOYLOXY-2, 2, 6, 6-TETREMETHYLPIPERIDINE-1-OXIDE AND ITS INHIBITION ON POLYMERIZATION OF ACRYLIC ACID

Research Article | 更新时间：2021-03-19

- INHIBITING EFFECT ON THE BADICAL POLYMERIZATION OF VINYL MONOMERS XIV. STUDIES ON THE SYNTHESIS OF THE OLIGOMER OF POLY-4-METHACRYLOYLOXY-2, 2, 6, 6-TETREMETHYLPIPERIDINE-1-OXIDE AND ITS INHIBITION ON POLYMERIZATION OF ACRYLIC ACID
- Acta Polymerica Sinica Issue 5, Pages: 539-546(1991)
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- Published：20 October 1991，
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Zhang Zi-yi, LI Zhao-long, LI Bao-qing, CHENG Jian-xin. INHIBITING EFFECT ON THE BADICAL POLYMERIZATION OF VINYL MONOMERS XIV. STUDIES ON THE SYNTHESIS OF THE OLIGOMER OF POLY-4-METHACRYLOYLOXY-2, 2, 6, 6-TETREMETHYLPIPERIDINE-1-OXIDE AND ITS INHIBITION ON POLYMERIZATION OF ACRYLIC ACID. [J]. Acta Polymerica Sinica (5):539-546(1991)
DOI：

Zhang Zi-yi, LI Zhao-long, LI Bao-qing, CHENG Jian-xin. INHIBITING EFFECT ON THE BADICAL POLYMERIZATION OF VINYL MONOMERS XIV. STUDIES ON THE SYNTHESIS OF THE OLIGOMER OF POLY-4-METHACRYLOYLOXY-2, 2, 6, 6-TETREMETHYLPIPERIDINE-1-OXIDE AND ITS INHIBITION ON POLYMERIZATION OF ACRYLIC ACID. [J]. Acta Polymerica Sinica (5):539-546(1991) DOI：

摘要

研究了数均分子量103～5×103的聚甲基丙烯酸甲酯的制备及其在甲醇镁存在下和2

6-四甲基-4-羟基哌啶-1-氧自由基(TMHPO·)间的酯交换反应

合成了聚-4-甲基丙烯酰氧基-2

6-四甲基哌啶-1-氧自由基(PMTMPO·)低聚物。同时观察了4-甲基丙烯酰氧基2

6-四甲基哌啶的调聚反应

同样制得PMTMPO·低聚物。利用IR、EPR和TGA技术对PMTMPO·进行了表征。评价了PMTMPO·对AIBN引发的丙烯酸(AA)自由基聚合的影响

表明PMTMPO·对AA有良好的阻聚功效。

Abstract

The oligomer of poly-4-methacryloyloxy-2

6-tetramethylpiperidine-l-oxide (PMTMPO.) has been prepared by ester exchange reaction of its precursor oligomer (Mn range from 108-5×103) with 2

6-tetramethyl-4-hydroxylpiperidine-1-oxide (TMHPO) in presence of megne-sium meth -oxide. Other kind of PMTMPO. was also obtained by controlling polymerization of 4-methacryloyloxy-2

6-tetramethylpiperidine(MTMP) in petroleum ether and acetic acid. The structure of the resultant stable radical oligomer was characterized by IR.EPR and TGA techniques. The inhibiting effect of PMTMPO for bulk polymerization of acrylic acid

initia-ted by AIBN

at 90℃ has been Studied. The results show that the efficiency of inhibition was found to depend on the concentrations of the nitroxyl radical in PMTMPO.

关键词

稳定大分子自由基低聚物阻聚丙烯酸

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