Patents by Inventor Lisong Dong

Lisong Dong has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Chlorinated poly(propylene carbonate) and preparation method thereof
    Patent number: 9908969
    Abstract: This invention provides a chlorinated poly(propylene carbonate) and the preparation method thereof, the chlorinated poly(propylene carbonate) is as represented by formula (I). Compared to the prior poly(propylene carbonate)s, the chlorinated poly(propylene carbonate) has relatively stronger electronegativity due to the presence of chlorine atoms and the interaction of the chlorinated poly(propylene carbonate) with other polar materials can be enhanced, so that it can be widely used as a compatilizer, a binder, a paint, an ink, and the like. After the introduction of chlorine atoms, hydrogen bond interaction is generated within the chlorinated poly(propylene carbonate), so that its processability and mechanical properties are both improved. Furthermore, the chlorine atom may improve the flame retardancy of chlorinated poly(propylene carbonate) materials.
    Type: Grant
    Filed: September 23, 2016
    Date of Patent: March 6, 2018
    Assignee: Changchun Institute of Applied Chemistry, Chinese Academy of Sciences
    Inventors: Wei Jiang, Guiyan Zhao, Lisong Dong, Jing Jin, Jie Cui
  • Chlorinated poly(propylene carbonate) and preparation method thereof
    Patent number: 9546245
    Abstract: This invention provides a chlorinated poly(propylene carbonate) and the preparation method thereof, the chlorinated poly(propylene carbonate) is as represented by formula (I). Compared to the prior poly(propylene carbonate)s, the chlorinated poly(propylene carbonate) has relatively stronger electronegativity due to the presence of chlorine atoms and the interaction of the chlorinated poly(propylene carbonate) with other polar materials can be enhanced, so that it can be widely used as a compatilizer, a binder, a paint, an ink, and the like. After the introduction of chlorine atoms, hydrogen bond interaction is generated within the chlorinated poly(propylene carbonate), so that its processability and mechanical properties are both improved. Furthermore, the chlorine atom may improve the flame retardancy of chlorinated poly(propylene carbonate) materials.
    Type: Grant
    Filed: April 14, 2015
    Date of Patent: January 17, 2017
    Assignee: Changchun Institute of Applied Chemistry, Chinese Academy of Sciences
    Inventors: Wei Jiang, Guiyan Zhao, Lisong Dong, Jing Jin, Jie Cui
  • CHLORINATED POLY(PROPYLENE CARBONATE) AND PREPARATION METHOD THEREOF
    Publication number: 20170009013
    Abstract: This invention provides a chlorinated poly(propylene carbonate) and the preparation method thereof, the chlorinated poly(propylene carbonate) is as represented by formula (I). Compared to the prior poly(propylene carbonate)s, the chlorinated poly(propylene carbonate) has relatively stronger electronegativity due to the presence of chlorine atoms and the interaction of the chlorinated poly(propylene carbonate) with other polar materials can be enhanced, so that it can be widely used as a compatilizer, a binder, a paint, an ink, and the like. After the introduction of chlorine atoms, hydrogen bond interaction is generated within the chlorinated poly(propylene carbonate), so that its processability and mechanical properties are both improved. Furthermore, the chlorine atom may improve the flame retardancy of chlorinated poly(propylene carbonate) materials.
    Type: Application
    Filed: September 23, 2016
    Publication date: January 12, 2017
    Inventors: Wei Jiang, Guiyan Zhao, Lisong Dong, Jing Jin, Jie Cui
  • CHLORINATED POLY(PROPYLENE CARBONATE) AND PREPARATION METHOD THEREOF
    Publication number: 20150299389
    Abstract: This invention provides a chlorinated poly(propylene carbonate) and the preparation method thereof, the chlorinated poly(propylene carbonate) is as represented by formula (I). Compared to the prior poly(propylene carbonate)s, the chlorinated poly(propylene carbonate) has relatively stronger electronegativity due to the presence of chlorine atoms and the interaction of the chlorinated poly(propylene carbonate) with other polar materials can be enhanced, so that it can be widely used as a compatilizer, a binder, a paint, an ink, and the like. After the introduction of chlorine atoms, hydrogen bond interaction is generated within the chlorinated poly(propylene carbonate), so that its processability and mechanical properties are both improved. Furthermore, the chlorine atom may improve the flame retardancy of chlorinated poly(propylene carbonate) materials.
    Type: Application
    Filed: April 14, 2015
    Publication date: October 22, 2015
    Inventors: Wei Jiang, Guiyan Zhao, Lisong Dong, Jing Jin, Jie Cui