公开(公告)号：US20190322824A1

公开(公告)日：2019-10-24

申请号：US16503518

申请日：2019-07-04

Applicant: NAN YA PLASTICS CORPORATION

Inventor： TE-CHAO LIAO ,  CHUN-CHE TSAO ,  CHIA-HO CHENG ,  TZAI-SHING CHEN

IPC: C08J5/18 ,  G02B5/20 ,  B29C48/08 ,  B29C48/00 ,  C08K3/013

Abstract: A transparent polyester film has low visible light transmittance of 5-50% by JIS K7705 testing standard and a high infrared-blocking rate of at least 90% by JIS R3106 testing standard, which is extruded from a kind of polyester resins obtained from 5-40 wt % of nanoparticle-based thermal insulation slurry and/or 0.005-0.1 wt % of nanoparticle-based black pigment slurry by weight of and to react with the polymerization materials to completely perform an esterification and a polycondensation, wherein the thermal insulation nanoparticle has a chemical formula of CsXNYWO3-ZClC with an average particle size of 10-90 nm and the nanoparticle-based black contains carbon black particles having a particle size of 20-80 nm.