公开(公告)号：US20170362422A1

公开(公告)日：2017-12-21

申请号：US15536749

申请日：2015-12-15

Applicant: INEOS STYROLUTION GROUP GMBH

Inventor： Tobias SCHULZ ,  Eike JAHNKE ,  Ricardo Daniel FAJARDO

IPC: C08L25/14 ,  C08L25/12 ,  G02B5/02

CPC classification number: C08L25/14 ,  C08L25/12 ,  C08L2205/025 ,  G02B5/0242 ,  C08L33/12

Abstract: The invention relates to a styrene copolymer composition comprising a) 60 to 99.9% by weight of styrene-based polymer matrix component A, b) 0.1 to 5% by weight of PMMA-based, cross-linked polymer bead as light diffuser component B, wherein the polymer beads have an average particle diameter from 0.5 to 20 μηη and a refractive index ranging from 1.34 to 1.55, and c) 0 to 39.9% by weight of further component C, different to A and B, wherein the sum of components A) to C) is 100% by weight and the composition exhibits a light transmittance greater than 80%, a haze greater than 90% and a Yellowness Index less than 4.5.