US 11,746,231 B2
Transparent static-dissipative polycarbonate resin composition and preparation method thereof
Chao Zha, Shanghai (CN); Ting Zhou, Shanghai (CN); and Minqi Xin, Shanghai (CN)
Assigned to SHANGHAI KUMHOSUNNY PLASTICS CO., LTD., Shanghai (CN); and SHANGHAI KUMHOSUNNY (JINSHAN) PLASTICS CO., LTD., Shanghai (CN)
Appl. No. 17/417,371
Filed by SHANGHAI KUMHOSUNNY PLASTICS CO., LTD., Shanghai (CN); and SHANGHAI KUMHOSUNNY (JINSHAN) PLASTICS CO., LTD., Shanghai (CN)
PCT Filed Jan. 22, 2021, PCT No. PCT/CN2021/073272
§ 371(c)(1), (2) Date Jun. 22, 2021,
PCT Pub. No. WO2021/218246, PCT Pub. Date Nov. 4, 2021.
Claims priority of application No. 202010367711.8 (CN), filed on Apr. 30, 2020.
Prior Publication US 2022/0325097 A1, Oct. 13, 2022
Int. Cl. C08L 69/00 (2006.01); C08L 77/00 (2006.01); C08J 3/22 (2006.01); C08K 3/32 (2006.01)
CPC C08L 69/00 (2013.01) [C08J 3/226 (2013.01); C08J 2369/00 (2013.01); C08J 2477/00 (2013.01); C08K 2003/324 (2013.01); C08L 2201/04 (2013.01); C08L 2201/10 (2013.01); C08L 2205/035 (2013.01)] 9 Claims
 
1. A transparent static-dissipative polycarbonate (PC) resin composition, comprising the following components:
70-95 parts by weight of PC resin;
5-30 parts by weight of antistatic agent masterbatch; and
0.5-1.5 parts by weight of a transesterification inhibitor;
wherein the antistatic agent masterbatch comprises the following components by mass percentage:
40-60% of an antistatic agent;
0.5-1.6% of a transesterification accelerator;
1-3% of an assistant cross-linkinger; and
a balance of PC resin.