Patents Assigned to DAMIPOLYCHEM CO., LTD.
  • Polysiloxane-polycarbonate copolymer with improved transparency and flame retardancy and method for producing same
    Patent number: 10696796
    Abstract: The present invention relates to a polysiloxane-polycarbonate copolymer having improved transparency and flame retardancy, and a method for producing the same. More specifically, the present invention relates to a polysiloxane having a specific structure having a side chain containing a randomly substituted hydroxyphenyl group, a polysiloxane-polycarbonate copolymer having the polysiloxane and a polycarbonate block as repeating units, exhibiting excellent flame retardancy and also excellent transparency, and a method for producing the same.
    Type: Grant
    Filed: October 14, 2016
    Date of Patent: June 30, 2020
    Assignees: SAMYANG CORPORATION, DAMIPOLYCHEM CO., LTD.
    Inventors: Kyung Moo Shin, Young Do Kwon
  • POLYSILOXANE-POLYCARBONATE COPOLYMER WITH IMPROVED TRANSPARENCY AND FLAME RETARDANCY AND METHOD FOR PRODUCING SAME
    Publication number: 20180305499
    Abstract: The present invention relates to a polysiloxane-polycarbonate copolymer having improved transparency and flame retardancy, and a method for producing the same. More specifically, the present invention relates to a polysiloxane having a specific structure having a side chain containing a randomly substituted hydroxyphenyl group, a polysiloxane-polycarbonate copolymer having the polysiloxane and a polycarbonate block as repeating units, exhibiting excellent flame retardancy and also excellent transparency, and a method for producing the same.
    Type: Application
    Filed: October 14, 2016
    Publication date: October 25, 2018
    Applicants: SAMYANG CORPORATION, DAMIPOLYCHEM CO., LTD.
    Inventors: Kyung Moo SHIN, Young Do KWON