摘要
以丙烯酰胺、丙烯酸、2-丙烯酰胺基-2-甲基丙磺酸、含交联位点的功能单体、十六烷基二甲基烯丙基氯化铵为原料,合成了一种可化学交联的分子自缔合聚合物HCG-2,在水溶液中HCG-2分子之间能够形成动态的结构,表面活性剂十二烷基硫酸钠能够提高这种结构的强度;在表面活性剂影响下的HCG-2分子链之间的相互作用较弱,无法承受过高的温度,但使用化学交联剂使分子链间形成化学键后,体系在180℃下的耐温耐剪切性能能够满足行业标准的要求。
A chemically cross-linkable molecular self-conjugated polymer,HCG-2,was synthesized from acrylamide,acrylic acid,2-acrylamido-2-methylpropanesulfonic acid,functional monomers containing cross-linking sites,and cetyl dimethyl allyl ammonium chloride.The thixotropy and viscoelasticity of HCG-2 were investigated,and it was found that a dynamic structure could be formed between HCG-2 molecules in aqueous solution,and the surfactant sodium dodecyl sulfate could improve the strength of this structure;and it was found that the interaction between HCG-2 molecular chains under the influence of the surfactant was weak and could not withstand too high temperature,however,after using chemical cross-linking agents to form chemical bonds between the molecular chains,the temperature and shear resistance of the system at 180℃could meet the requirements of the industry standard.
作者
张寅
刘通义
黄俊雄
ZHANG Yin;LIU Tong-yi;HUANG Jun-xiong(School of Chemistry and Chemical Engineering,Southwest Petroleum University,Chengdu 610500,China)
出处
《应用化工》
CAS
CSCD
北大核心
2023年第3期697-700,707,共5页
Applied Chemical Industry
基金
国家自然科学基金重大项目(51390653)。
关键词
自缔合聚合物
聚合优化
化学交联
触变性
黏弹性
self-associating polymers
synergy
chemical cross-linking
thixotropy
viscoelasticity
