Structure determination of the amorphous perfluorinated homopolymer:Poly[perfluoro(4-vinyloxyl-1-butene)]

Kiyoshi Yamamoto; Gen Ogawa

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Structure determination of the amorphous perfluorinated homopolymer:Poly[perfluoro(4-vinyloxyl-1-butene)]

机译：非晶态全氟均聚物的结构测定：聚[全氟（4-乙烯基氧基-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 poly[perfluoro(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了核磁共振（NMR）信号分配，并研究了聚[全氟（4-乙烯基氧基-1-丁烯）]的环状结构和端基结构。比例为五/六= 0.84 / 0.16，占主导地位，也存在六环结构。从聚合开始到最终阶段，环状结构（五环或六环）的偏好没有变化。观察到端基为：（CH_3）_2CHOCOO-对于引发剂端，-CF_2C1对于链转移端，然后只有引发剂端基变为-CF_3，而对环结构的比例没有影响。氟化。

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《Journal of Fluorine Chemistry》 |2005年第10期|共6页
作者
Kiyoshi Yamamoto; Gen Ogawa;
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正文语种 eng
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-乙烯基氧基-1-丁烯）;五环;六环;端基;

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Structure determination of the amorphous perfluorinated homopolymer:Poly[perfluoro(4-vinyloxyl-1-butene)]

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