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首页> 外文期刊>Radiation Physics and Chemistry >Radiation-induced synthesis of low molecular weight of PTFE and their crosslinking in acetone medium
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Radiation-induced synthesis of low molecular weight of PTFE and their crosslinking in acetone medium

机译：辐射诱导的低分子量PTFE的合成及其在丙酮介质中的交联

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摘要

Polytetrafluoroethylene was obtained by radiation-induced polymerization of tetrafluoroethylene in acetone at 195 K.An average diameter of the products was very small compared with the commercial one;it was about 0.2 mu m.The yield was reached to 100% with a dose of 4kGy.The crystallinity of the products is decreasing with increasing dose.The crystallinity becomes low,for higher irradiation doses.It was found that PTFE obtained by irradiation of TFE in acetone at 195 K has Y-type crosslinking structure.This was demonstrated by means of ~(19)F MAS NMR.
机译：聚四氟乙烯是由四氟乙烯在195 K的丙酮中辐射诱发的聚合反应制得的，与工业产品相比，该产品的平均直径很小;约为0.2微米;在剂量为4kGy时，收率达到100％。产物的结晶度随剂量增加而降低。结晶度变低，以较高的照射剂量使用。发现通过TFE在195 K的丙酮中照射获得的PTFE具有Y型交联结构。 〜（19）F MAS NMR。

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