Metadata
Author: patents-wipo
Data
English[en]
The present invention provides a high hardness multi-layer sheet of polycarbonate multilayer structure comprising: a polymethyl methacrylate layer having an acrylic copolymer formed from 75 parts by weight to 88 parts by weight of (meth)acrylic acid ester monomer, 2 parts by weight to 5 parts by weight of styrene monomer, and 10 parts by weight to 20 parts by weight of N-substituted maleimide monomer; and a polycarbonate copolymer.
French[fr]
La présente invention concerne une feuille multicouches à très haute dureté d'une structure multicouches de polycarbonate comprenant: une couche de méthalycrate de polyméthyle comprenant un copolymère acrylique formé de 75 parties en poids à 88 parties en poids de monomère ester d'acide (méth)acrylique, de 2 parties en poids à 5 parties en poids de monomère styrène et de 10 parties en poids à 20 parties en poids de monomère maléimide n-substitué; et un copolymère de polycarbonate.
Korean[ko]
(메타)아크릴산 에스테르계 단량체 75중량부 내지 88중량부, 스틸렌 단량체 2중량부 내지 5중량부 및 N-치환말레이미드 단량체 10중량부 내지 20중량부로 형성된 아크릴계 공중합체를 포함하는 폴리메틸메타크릴레이트층; 및 폴리카보네이트 공중합체를 포함하는 폴리카보네이트층의 적층구조인 고경도 다층시트를 제공한다.