公开(公告)号：US09951187B2

公开(公告)日：2018-04-24

申请号：US14898829

申请日：2014-06-16

申请人： SAMYANG CORPORATION

发明人： Hong Chol Rhee ,  Young Do Kwon ,  Ji Eun Kim ,  Mi Ran Kim ,  Kyung Mo Sung

IPC分类号： C08G64/18 ,  C08G77/448 ,  C08L83/10

CPC分类号： C08G77/448 ,  C08G64/186 ,  C08L83/10

摘要： The present invention relates to a thermoplastic copolymer resin having an excellent flame retardancy and transparency and a preparation method therefor and, more particularly, to a thermoplastic copolymer resin having an excellent balance of physical properties such as a transparency, a fluidity, a low temperature impact strength as well as a flame retardancy, a preparation method therefor, and a molded article comprising the thermoplastic copolymer resin, in which the thermoplastic copolymer resin is obtained by copolymerizing polysiloxane having a particular structure and a branched polycarbonate oligomer.

公开(公告)号：US10081708B2

公开(公告)日：2018-09-25

申请号：US15537562

申请日：2015-12-18

申请人： SAMYANG CORPORATION

发明人： Kyung Moo Shin ,  So Ri Son ,  Mi Ran Kim ,  Ji Eun Kim

IPC分类号： C08G64/30 ,  C08J5/00 ,  C08G64/38 ,  C08G64/42 ,  C08L69/00 ,  C08G63/64

CPC分类号： C08G64/307 ,  C08G18/3215 ,  C08G18/7685 ,  C08G63/64 ,  C08G64/305 ,  C08G64/38 ,  C08G64/42 ,  C08J5/00 ,  C08L69/00

摘要： The present invention relates to a polycarbonate copolymer and a preparation method therefor and, more specifically, to a polycarbonate copolymer comprising a fluorene ester oligomer and a polycarbonate as polymerization units, and a preparation method therefor.