Structure determination of the amorphous perfluorinated homopolymer:Polyperfluoro(4-vinyloxyl-1-butene)

Kiyoshi Yamamoto; Gen Ogawa

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Structure determination of the amorphous perfluorinated homopolymer:Polyperfluoro(4-vinyloxyl-1-butene)

机译：无定形全氟均聚物的结构测定：聚全氟（4-乙烯氧基-1-丁烯）

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The low molecular weight samples were examined to assign the nuclear magnetic resonance(NMR)signals,and to study the cyclic structure and the end group structure for polyperfluoro(4-vinyloxyl-l-butene).While the penta-cyclic structure was dominant,the hexa-cyclic structure also existed.The ratio was penta/hexa = 0.84/0.16.No preference of cyclic structure(penta-or hexa-cyclic)changed from the initial to the final stage of polymerization.The polymerization temperature did not affect to the ratio of cyclic structures,whereas the modification at side chain part could.The end group was observed,(CH_3)_2CHOCOO-for initiator end,-CF_2C1 for chain transfer end,then only initiator end group changed to-CF_3 with fluorination.

机译：对低分子量样品进行核磁共振（NMR）信号分配，研究聚[全氟（4-乙烯氧基-l-丁烯）]的环状结构和端基结构。在五环结构占主导地位的同时，也存在六环结构。比例为五/六=0.84/0.16.从聚合的初始阶段到最后阶段，环状结构（五环或六环）的偏好没有变化。聚合温度对环状结构的比例没有影响，而侧链部分的改性可以。观察到端基，（CH_3）_2CHOCOO-为引发剂端，-CF_2C1为链转移端，仅引发剂端基变为-CF_3氟化。

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来源
《Journal of Fluorine Chemistry》 |2005年第10期|1403-1408|共6页
作者
Kiyoshi Yamamoto; Gen Ogawa;
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作者单位

Research Center,Asahi Glass Co.,Ltd.,1150 Hazawa,Kanagawa-ku,Yokohama 221-8755,Japan;

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原文格式 PDF
正文语种英语
中图分类化学;
关键词
Perfluoro(4-vinyloxyl-1-butene); Penta-cyclic; Hexa-cyclic; End group;

机译：全氟（4-乙烯氧基-1-丁烯）;五环;六环;结束组;

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Structure determination of the amorphous perfluorinated homopolymer:Polyperfluoro(4-vinyloxyl-1-butene)

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