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author:

宋士华 (宋士华.) [1] | 侯翠岭 (侯翠岭.) [2] | 魏健宁 (魏健宁.) [3] | 林起浪 (林起浪.) [4] (Scholars:林起浪)

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Abstract:

以煤沥青为原料、甲醛为改性剂及草酸为催化剂来制备改性煤沥青.通过核磁共振氢谱(1H-NMR)、X射线衍射(XRD)谱图对沥青微观结构进行表征.通过残炭率、软化点及其粘度与温度间的关系研究沥青的流变性能.结果表明:甲醛含量对改性沥青性能影响极大.改性煤沥青的残炭率、软化点随甲醛含量的增加先增大后减小,当甲醛/煤沥青的值为0.1时,残炭率(55.1%)和软化点(96℃)均达到最佳值.随着温度升高,改性沥青的粘度和粘流活化能均下降,这有利于改善煤沥青的浸渍技术工艺操作.

Keyword:

改性 流变性能 煤沥青 甲醛

Community:

  • [ 1 ] [宋士华]九江学院
  • [ 2 ] [侯翠岭]九江学院
  • [ 3 ] [魏健宁]九江学院
  • [ 4 ] [林起浪]福州大学

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Source :

九江学院学报(自然科学版)

ISSN: 1674-9545

CN: 36-1297/N

Year: 2015

Issue: 4

Volume: 30

Page: 26-28,32

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count: -1

Chinese Cited Count:

30 Days PV: 4

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