裂变流体的风病学和分子机制:三种加厚剂类型的比较 - - 一个案例研究
1China Petroleum Exploration and Development Research Institute, Beijing 100083, China.
Gels (Basel, Switzerland)
|February 26, 2026
概括
这项研究比较了裂纹液体的风湿学,发现相对于基于烯胺的聚合物和基基,相比于基于烯胺的聚合物和基基由于其独特的分子结构而具有更高的温度剪切阻力.
科学领域:
- 材料科学 材料科学 材料科学
- 化学工程是化学工程的重要组成部分.
- 类风病学 类风病学 类风病学
背景情况:
- 裂变液在石油和天然气开采中至关重要.
- 缺乏对核心裂变流体材料的学性质和结构性质关系的系统比较.
- 关键材料包括合成聚合物,蔬菜和微生物多糖.
研究的目的:
- 系统地比较三种核心裂变流体材料的学性质和结构性质关系.
- 为了表征基于烯胺的聚合物,氧基 guar 和山.
- 评估它们在不同度和温度切割条件下的性能.
主要方法:
- 稳定状态粘度,学曲线,厚度,粘弹性和温度剪切阻力的系统性表征.
- 使用了一台MCR301旋转风力计.
- 度在0.1至0.7重量百分比之间.
主要成果:
- 所有材料的结构强度都随着度的增加而增加.
- 基于烯胺的共聚物形成了临时网络,表现出粗性和压力前弹性反应.
- 基 (Hydroxypropyl guar gum) 的热稳定性较差 (31%的粘度保留) 和类似溶液的特性 (G' < G′′).
- 桑坦具有弹性凝特性 (tanδ < 1),具有出色的温度剪切耐受性 (98.6 mPa·s粘度保留).
- 开发的数学模型 (修改的卡罗和四参数方程) 显示R2>0.95用于流量曲线适配和温度剪切阻力预测.
结论:
- 分子结构决定了裂纹流体的质性行为和稳定性.
- 与其他经过测试的材料相比,丹具有优越的温度剪切阻力和弹性凝特性.
- 数学模型准确地描述了流体类型的转变和粘度演变,有助于材料的选择和应用.
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