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    • 9. 发明申请
    • CROSSLINKED SWELLABLE POLYMER
    • 交联的易溶聚合物
    • US20100234252A1
    • 2010-09-16
    • US12722344
    • 2010-03-11
    • Ahmad Moradi-AraghiDavid R. ZornesRiley B. NeedhamJames H. HedgesEverett L. JohnstonFaye L. Scully
    • Ahmad Moradi-AraghiDavid R. ZornesRiley B. NeedhamJames H. HedgesEverett L. JohnstonFaye L. Scully
    • C09K8/528C08L33/26C09K8/68
    • C09K8/588C09D5/4411E21B43/16
    • The invention is directed to stable crosslinked water-soluble swellable polymers, methods for making same, and their various uses in the hygiene and medical arts, gel electrophoresis, packaging, agriculture, the cable industry, information technology, in the food industry, papermaking, use as flocculation aids, and the like. More particularly, the invention relates to a composition comprising expandable polymeric microparticles having labile crosslinkers and stable crosslinkers, said microparticle mixed with a fluid and an unreacted tertiary crosslinker that is capable of further crosslinking the microparticle on degradation of the labile crosslinker so as to form a stable gel. A particularly important use is as an injection fluid in petroleum production, where the expandable polymeric particles are injected into a well and when the heat and/or pH of the well cause degradation of the labile crosslinker and when the particle expands, the tertiary crosslinker crosslinks the polymer to form a stable gel, thus diverting water to lower permeability regions and improving oil recovery.
    • 本发明涉及稳定交联的水溶性可溶胀聚合物,其制备方法及其在卫生和医学领域,凝胶电泳,包装,农业,电缆工业,信息技术,食品工业,造纸, 用作絮凝助剂等。 更具体地说,本发明涉及包含具有不稳定交联剂和稳定交联剂的可发性聚合物微粒的组合物,所述微粒与流体和未反应的三价交联剂混合,所述三价交联剂能够在不稳定交联剂降解时进一步交联微粒,从而形成 稳定的凝胶。 特别重要的用途是石油生产中的注入流体,其中将可发性聚合物颗粒注入井中,并且当井的热和/或pH引起不稳定交联剂的降解时,当颗粒膨胀时,三价交联剂交联 聚合物形成稳定的凝胶,从而将水转移到渗透率较低的区域,并提高油的回收率。
    • 10. 发明授权
    • Crosslinked swellable polymer
    • 交联的可溶胀聚合物
    • US08648018B2
    • 2014-02-11
    • US12722344
    • 2010-03-11
    • Ahmad Moradi-AraghiDavid R. ZornesRiley B. NeedhamJames H. HedgesEverett L. JohnstonFaye L. Scully
    • Ahmad Moradi-AraghiDavid R. ZornesRiley B. NeedhamJames H. HedgesEverett L. JohnstonFaye L. Scully
    • C09K8/528C09K8/68C08L33/26
    • C09K8/588C09D5/4411E21B43/16
    • The invention is directed to stable crosslinked water-soluble swellable polymers, methods for making same, and their various uses in the hygiene and medical arts, gel electrophoresis, packaging, agriculture, the cable industry, information technology, in the food industry, papermaking, use as flocculation aids, and the like. More particularly, the invention relates to a composition comprising expandable polymeric microparticles having labile crosslinkers and stable crosslinkers, said microparticle mixed with a fluid and an unreacted tertiary crosslinker that is capable of further crosslinking the microparticle on degradation of the labile crosslinker so as to form a stable gel. A particularly important use is as an injection fluid in petroleum production, where the expandable polymeric particles are injected into a well and when the heat and/or pH of the well cause degradation of the labile crosslinker and when the particle expands, the tertiary crosslinker crosslinks the polymer to form a stable gel, thus diverting water to lower permeability regions and improving oil recovery.
    • 本发明涉及稳定交联的水溶性可溶胀聚合物,其制备方法及其在卫生和医学领域,凝胶电泳,包装,农业,电缆工业,信息技术,食品工业,造纸, 用作絮凝助剂等。 更具体地说,本发明涉及包含具有不稳定交联剂和稳定交联剂的可发性聚合物微粒的组合物,所述微粒与流体和未反应的三价交联剂混合,所述三价交联剂能够在不稳定交联剂降解时进一步交联微粒,从而形成 稳定的凝胶。 特别重要的用途是石油生产中的注入流体,其中将可发性聚合物颗粒注入井中,并且当井的热和/或pH引起不稳定交联剂的降解时,当颗粒膨胀时,三价交联剂交联 聚合物形成稳定的凝胶,从而将水转移到渗透率较低的区域,并提高油的回收率。