Curing kinetics of tetrathiol-crosslinked diglycidyl ether of bisphenol A and poly(ethylene oxide)diglycidylether

被引：2
作者：
Minkler, Michael J. [1 ]
Hou, Xinyu [1 ]
Alizadeh, Nima [1 ]
Auad, Maria L. [1 ]
Schindler, Anton K. [2 ]
Beckingham, Lauren E. [2 ]
Beckingham, Bryan S. [1 ]
机构：
[1] Auburn Univ, Chem Engn, Auburn, AL 36849 USA
[2] Auburn Univ, Civil Engn, Auburn, AL USA
来源：
MATERIALS LETTERS | 2022年 / 310卷
基金：
美国国家科学基金会;
关键词：
Crosslinked polymers; Curing kinetics; Wellbore sealants; CURE KINETICS; RAMAN-SPECTROSCOPY; CEMENT PASTE; EPOXY-RESIN; DGEBA EPOXY; LEAKAGE; DSC;
D O I：
10.1016/j.matlet.2021.131491
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Crosslinked polymers are used broadly due to their tunable material properties (reactivity, physical properties, etc.) making them candidates for remediating leakage pathways in subsurface wellbores where leakage of hydrocarbons or injected fluids pose risks to overlying resources. We investigate curing behavior and physical properties of an epoxy-based system towards an injectable wellbore sealant. Isothermal and non-isothermal curing are examined via differential scanning calorimetry, and monomer mixture and cured specimen physical properties characterized. Material behavior is dependent on curing temperature and comonomer content. Increasing temperature or DGEBA content increases curing rate, pre-curing solution viscosity and post-curing glass transition temperature.
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页数：4
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