WUNBERG, TOBIAS,BRUECKNER, RALPH,KESSLER, DIRK,KRAEMER, OLIVER,MCCONNELL, DARRYL,SCHNEIDER, SIEGFRIED,VAN DER VEEN, LARS
申请号：
NZ59055809
公开号：
NZ590558A
申请日:
2009.07.28
申请国别(地区):
NZ
年份:
2012
代理人:
摘要：
Disclosed is a process for reducing the gas permeability of a plastic material by applying a barrier coating on the plastic material comprising the steps a) pre-treatment of at least a part of the plastic material by oxyfluorination, b) applying at least one coating layer of polyvinyl alcohol on the pre-treated surface, and c) applying at least one top coating layer of polyvinyl acetal on the polyvinyl alcohol layer.
