基于表面自由能量理论,研究快速化的SBS改性青聚合物的粘附性能
Bo Men1, Fei Guo2, Xiaolong Kang2
1Henan Xuxin Expressway Co., Ltd., Zhumadian 463000, China.
Materials (Basel, Switzerland)
|December 23, 2023
概括
快速化的SBS改性青 (SBS-T) 增强了青聚合物的粘附性. 增加SBS-T剂量可以改善凝聚力和粘附力,性能优于标准的SBS改性青.
科学领域:
- 材料科学 材料科学 材料科学
- 土木工程 土木工程是指土木工程.
- 表面化学 表面化学
背景情况:
- 青粘合剂的性能对于路面的耐用性至关重要.
- 了解青聚合物的粘附是防止路面破裂的关键.
- styrene-butadiene-styrene (SBS) 修改改造提高了青的性能.
研究的目的:
- 为了研究在青聚合物接口上快速化的SBS-改性青 (SBS-T) 的粘附性质.
- 评估SBS-T剂量对粘附特性的影响.
- 为了比较SBS-T改性青与传统SBS改性青的粘附性能.
主要方法:
- 使用蒸水,甘油和胺的滴法测量接触角.
- 表面自由能量理论的应用来分析粘附.
- 凝聚力的评估,青聚合物的粘附性,剥离工作和能量比.
- 微机械方法用于全面的粘附分析.
主要成果:
- SBS-T显著改善了青的粘附性能.
- 增加SBS-T剂量会导致更高的凝聚力,粘附力和能量比率.
- 减少剥离工作表明青聚合物的附着性增强.
- 与传统的SBS改性系统相比,SBS-T改性青系统在同等剂量下表现出更好的粘附性.
结论:
- 快速化的SBS-T是一种有效的修饰剂,可以增强青粘合剂的粘合力.
- 改善的粘合力是由于凝聚力增加和脱落减少.
- 对于青聚合物系统,SBS-T比传统的SBS修改提供了更高的性能.
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