公开(公告)号：US20210403706A1

公开(公告)日：2021-12-30

申请号：US17293487

申请日：2019-10-30

Applicant: KINGFA SCI. & TECH. CO., LTD.

Inventor： Yan YANG ,  Mingkun LI ,  Xianbo HUANG ,  Nanbiao YE ,  Wei TONG ,  Xiangmao DONG ,  Junwei AI

IPC: C08L69/00 ,  C08L23/06 ,  C08L23/08

Abstract: The present invention discloses a high weld line strength polyethylene/polycarbonate alloy, including the following components in parts by weight: 5 parts to 40 parts of a polyethylene; 40 parts to 85 parts of a polycarbonate; and 1 part to 15 parts of an ethylene copolymer compatibilizer. The high weld line strength polyethylene/polycarbonate alloy has the advantages of high weld line strength, a good melt index and a good thermal aging resistance.

公开(公告)号：US20220073736A1

公开(公告)日：2022-03-10

申请号：US17417773

申请日：2019-11-28

Applicant: KINGFA SCI. & TECH. CO., LTD.

Inventor： Yin CEN ,  Jun WU ,  Xianbo HUANG ,  Nanbiao YE ,  Tipeng ZHAO ,  Junwei AI ,  Yongwen CHEN ,  Xiangmao DONG

IPC: C08L69/00 ,  C08K5/098 ,  C08J3/12 ,  B29C48/00

Abstract: The present application is related to a polycarbonate composition, including 100 parts of a polycarbonate in parts by weight; wherein based on a total weight percentage of the polycarbonate, the polycarbonate consists of 10% to 40% of a first polycarbonate with a weight average molecular weight of 18,000 to 25,000, 20% to 60% of a second polycarbonate with a weight average molecular weight of 27,000 to 35,000, and 20% to 60% of a third polycarbonate with a degree of branching of 2 to 7 and a weight average molecular weight of 25,000 to 30,000. The polycarbonate composition has the advantages of high transparency, good extrusion melt uniformity, etc.