有机锆交联AM/DMAM/AMPS三元聚合物流变动力学

doi:10.3969/j.issn.0438-1157.2014.11.023

化工学报 ›› 2014, Vol. 65 ›› Issue (11): 4376-4382.DOI: 10.3969/j.issn.0438-1157.2014.11.023

• 催化、动力学与反应器 • 上一篇下一篇

有机锆交联AM/DMAM/AMPS三元聚合物流变动力学

严芳芳¹, 方波¹, 卢拥军², 侯向前¹, 邱晓惠², 彭飞¹, 王进爽¹

1. 华东理工大学化学工程研究所化工流变学研究室, 上海 200237;
2. 中国石油天然气股份有限公司勘探开发研究院廊坊分院, 河北廊坊 065007

收稿日期:2014-04-28 修回日期:2014-07-08 出版日期:2014-11-05 发布日期:2014-11-05
通讯作者: 方波
基金资助:
国家高技术研究发展计划项目(2013AA064801).

Rheokinetics of organic zirconium crosslinked AM/DMAM/AMPS terpolymer

YAN Fangfang¹, FANG Bo¹, LU Yongjun², HOU Xiangqian¹, QIU Xiaohui², PENG Fei¹, WANG Jinshuang¹

1. Chemical Engineering Rheology Laboratory, Chemical Engineering Research Center, East China University of Science and Technology, Shanghai 200237, China;
2. Langfang Branch of Research Institute of Petroleum Exploration and Development, PetroChina, Langfang 065007, Hebei, China

Received:2014-04-28 Revised:2014-07-08 Online:2014-11-05 Published:2014-11-05
Supported by:
supported by the National High Technology Research and Development Program of China (2013AA064801).

摘要/Abstract

摘要： 以乳酸/丙三醇有机锆为交联剂,聚合物[一种耐高温的丙烯酰胺(AM)/N,N-二甲基丙烯酰胺(DMAM)/2-丙烯酰胺基-2-甲基丙磺酸(AMPS)三元聚合物]为稠化剂,获得了耐高温聚合物凝胶.研究了聚合物凝胶的流变学特性(黏弹性、触变性)及其交联流变动力学,获得了聚合物交联过程中黏度、黏弹性模量随时间的变化关系,并考察了剪切速率和温度对凝胶形成的影响,建立了交联流变动力学模型.结果表明,交联聚合物凝胶具有明显的黏弹性和触变性;在180℃、170 s^-1下剪切120 min后,黏度达176.8 mPa·s,获得了耐高温达180℃的凝胶;一级交联流变动力学模型可拟合聚合物的交联流变动力学过程,拟合的模型参数物理意义明确合理.

关键词: 有机锆, 耐高温凝胶, 聚合物, 流变学, 动力学

Abstract: A high temperature resistant polymer gel with lactic acid/ glycerine organic zirconium as crosslinking agent and a polymer [a kind of acrylamide (AM)/N,N-dimethyl acrylamide (DMAM)/2-acrylamide-2-methyl propane sulfonic acid (AMPS) terpolymer of high temperature resistance] as thickening agent was prepared. The rheological properties (viscoelasticity and thixotropy) and crosslinking rheokinetics of the polymer gel were studied. The changes of viscosity and viscoelastic modulus with time in the crosslinking process were obtained. The effects of shear rate and temperature on gel formation were investigated and a crosslinking rheokinetics model was established. The polymer gel had obvious viscoelasticity and thixotropy. Viscosity was maintained at 176.8 mPa·s after the crosslinked polymer gel was sheared at 170 s^-1 for 120 min at 180℃. The high temperature resistant fracturing fluid gel which could endure 180℃ was obtained. The first order rheokinetics model would well describe the rheokinetics of polymer crosslinking process and the model parameters could have well-defined and reasonable significance.

Key words: organic zirconium, high temperature resistant gel, polymer, rheology, kinetics

中图分类号:

TQ031

严芳芳, 方波, 卢拥军, 侯向前, 邱晓惠, 彭飞, 王进爽. 有机锆交联AM/DMAM/AMPS三元聚合物流变动力学[J]. 化工学报, 2014, 65(11): 4376-4382.

YAN Fangfang, FANG Bo, LU Yongjun, HOU Xiangqian, QIU Xiaohui, PENG Fei, WANG Jinshuang. Rheokinetics of organic zirconium crosslinked AM/DMAM/AMPS terpolymer[J]. CIESC Journal, 2014, 65(11): 4376-4382.

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有机锆交联AM/DMAM/AMPS三元聚合物流变动力学

Rheokinetics of organic zirconium crosslinked AM/DMAM/AMPS terpolymer

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