公开(公告)号：US20210206952A1

公开(公告)日：2021-07-08

申请号：US17059549

申请日：2019-07-11

Applicant: SAES GETTERS S.P.A.

Inventor： Paolo VACCA ,  Sergio SANTORO ,  Marco MUDU

IPC: C08L23/08 ,  C08L29/04 ,  C08K5/5415 ,  B32B27/06 ,  B32B7/12

Abstract: An aqueous dispersion of ethylene-vinyl alcohol copolymers suitable to be used as lacquer to realize a thin coating both for flexible or rigid substrates, characterized by excellent oxygen and carbon dioxide barrier performances especially under high humidity conditions. The dispersion comprises a first ethylene-vinyl alcohol copolymer in the form of capsules with an ethylene content comprised between 24 and 38 mol % and a second ethylene-vinyl alcohol copolymer with an ethylene content lower than 15 mol %.