公开(公告)号：EP4407006A1

公开(公告)日：2024-07-31

申请号：EP23153587.3

申请日：2023-01-27

申请人： Evonik Operations GmbH

发明人： KERSTEN, Erik ,  MÄRZ, Monika ,  LEBER, Nadine ,  HARTMANN, Jürgen ,  SCHARFENBERG, Markus ,  SCHIEM, Nicolas

IPC分类号： C09D7/20 ,  C09D135/02

CPC分类号： C09D135/02 ,  C09D7/20

摘要： The present invention is directed to a heat-sealable coating system suitable for the sealing of various types of substrates, comprising a film-forming dispersion, comprising a polyester or polyester mixture as polymer type A, a poly(meth)acrylate as polymer type B, a graft copolymer of polymer type A and polymer type B as polymer type AB, a polyolefin or a polyolefin mixture as polymer type C, and a graft copolymer as polymer type CD, composed of polymer type C and of a poly(meth)acrylate as polymer type D, wherein said dispersion comprises of from 30 % to 60 % by weight of ethyl acetate, and to a process for the sealing of various types of substrates, wherein the foil is coated with a coating system according to the invention.