一种交联核壳微球的合成及其结构与性能的研究  

The synthesis of cross-linked core-shell type microspheres and study of its structure and property

作　　者：戴姗姗[1] 陈镇聪 黄志宇[1] 

机构地区：[1]西南石油大学油气田应用化学四川省重点实验室,四川成都610500

出　　处：《应用化工》2017年第11期2094-2098,共5页Applied Chemical Industry

基　　金：国家青年科学基金(51304163)

摘　　要：采用反相微乳液法,制备出用于调剖堵水的交联SiO_2/(PAM-PAA)核壳微球。对改性二氧化硅、核壳微球的化学结构及微球与孔隙的匹配关系做了研究。结果表明,二氧化硅成功被改性,二氧化硅的接枝率为1.1%;当核孔膜孔径大小为12μm及填砂管渗透率为0.92 D时,微球具有最佳的深部调剖效果。Cross-linked silica/poly( acrylamide-co-acrylic acid) core-shell microspheres with core-shell structure are synthesized by inverse microemulsion polymerization for the application of water shut-off. The modified silica,the chemistry structure of microspheres and the relation between microspheres and nuclear-pore film were studied. The result showed that silica was modified successfully and percent grafting of silica is 1. 1%. Meanwhile,deep profile control performed best when diameter of nuclear-pore film was 12 μm and permeability of sand packed tube was 0. 92 D.

关 键 词：微乳液 核壳微球 深部调剖 

分 类 号：TQ317[化学工程—高聚物工业] TE39[石油与天然气工程—油气田开发工程]