Title:
基材上の改良されたPVOHバリヤー性能
Document Type and Number:
Japanese Patent JP2007503306
Kind Code:
A
Abstract:
A method of providing an oil and grease resistant coating to a substrate includes the steps of (i) providing a substrate with a first and second surface to a coating station; (ii) curtain coating at least one surface of the substrate with an aqueous polyvinyl alcohol composition to form a nascent polyvinyl alcohol barrier film thereon; and (iii) drying the nascent polyvinyl alcohol barrier film to form a polyvinyl alcohol oil and grease barrier coating; wherein the polyvinyl alcohol composition as well as the substrate and coating and drying conditions are selected such that the polyvinyl alcohol oil and grease barrier coating is substantially pinhole free, characterized in that the barrier coating exhibits a TAPPI 559 kit test rating of at least 7.
Inventors:
Miller, Gerald Dee
Application Number:
JP2006524630A
Publication Date:
February 22, 2007
Filing Date:
June 30, 2004
Export Citation:
Assignee:
Celanese International Corporation
International Classes:
B05D7/24; B05D1/26; B32B27/30; C08J7/04; C09D129/04; D21H19/12; D21H19/20; D21H23/48; B05D1/30; B05D5/08; D21H19/84; D21H27/10
Domestic Patent References:
| JPH0813385A | 1996-01-16 | |||
| JP2003147693A | 2003-05-21 | |||
| JP2003054121A | 2003-02-26 | |||
| JP2001254292A | 2001-09-21 |
Attorney, Agent or Firm:
Kazuo Shamoto
Shinjiro Ono
Yasushi Kobayashi
Akio Chiba
Hiroyuki Tomita
Koji Hirayama
Shinjiro Ono
Yasushi Kobayashi
Akio Chiba
Hiroyuki Tomita
Koji Hirayama