The sulfonated polyetherketone with cardo group films made by different sulfonation degrees and solvent evaporation shows different microstructure by PALS and atomic force microscopy.

利用對高分子材料納米量級自由體積空洞極為靈敏的正電子探針黄色网站亚洲免费啪啪啪，并輔之原子力顯微鏡法研究了磺化及溶劑蒸發(fā)對酚酞側(cè)基聚芳醚硐膜制備的影響。

Mannich reaction occurred directly between arylamine and pyrroli- zinone on hydrogen chloride/ethyl alcohol solution.

芳胺和吡里酮在氯化氫乙醇溶液中直接發(fā)生Mannich反應(yīng)美国A片免费播放免费，但胺甲基化不是發(fā)生在羰基的α-位熟女口爆，而是發(fā)生在吡咯結(jié)構(gòu)部分的5-位。

Myristic monoethanolamide ammonium sulfatewas synthesized from myristic acid and monoethanolamide with sulfamic acid as sulfating agent .

在芳烴類溶劑與羰基化合物催化劑存在下婬乱A欧美大片，以肉豆蔻酸和乙醇胺為原料永久黄网免费视频，氨基磺酸作硫酸化劑，制備了肉豆蔻酸單乙醇酰胺硫酸酯銨鹽日韩精品芒果视频下载免费观看。

heological properties at a low shear rate range(10-2-10s-1) and the glass transition temperatures for PEK-C with different moleCular weithts have been studied by using a cone/plate rheometer and DSC' The activation energy for melt flow increases with Mw The dependence of Tg on molecular weight exhibits two linear range and the value of nitersect agrees with the critical molecular weight , Mc' which is first reported for PEK-C' Mc value obtained according to η0 is about 8× 104 g/mol and the relation between Mc and temperature was dis-cussed.

用錐權(quán)流變儀及DSC的方法研究了5種不同分子量的酞側(cè)基聚芳醚酮在低剪切速率區(qū)（10－2－10s－1）的流變行為及其分子量與玻璃化轉(zhuǎn)變溫度的關(guān)系精品国产丝袜自在线拍动漫。結(jié)果表明在线免费视频网址，樣品的粘流活化能隨分子量的增加而增大，Tg隨分子量的變化是二個線性區(qū)大胆欧美熟妇XXXXXXX，其交點值與所求的樣品的臨界分子量值相對應(yīng)日韩一区在线AⅤ。利用測得的零剪切粘度值（η0）首次求得了PEK—C的臨界分子量值。同時也討論了Mc與溫度及η0和Tg與分子量的關(guān)系国产综合app免费观看。