Packaging material based on water-epoxy copolymer barrier coating

【Patent Name】 Packaging Material with Water-Epoxy Resin Coated Barrier Coating 【Applicant】 Gas Products and Chemicals Company [Inventor] FH Walker; F·R Pepe [Address of Principal Applicant] United States Pennsylvania [application number].3
【 Application Date 】 2003.04.01
[Examination and announcement number] 1448263
【 Validation announcement date 】 2003.10.15
【 Main classification number 】 B32B27/28
[Category] B32B27/28 B32B27/38
Sovereign Items 1. A multi-layer packaging material having at least one layer of breathable packaging material and at least one layer of a gas material, wherein the layer of the gas material contains a polymer polyol, and the polymer polyol is In the presence of a polymeric effective amount of an epoxy resin and water, prepared by polymerizing a polyfunctional epoxy resin with water, the amount of water should be sufficient to avoid gelation. This polymeric polyol is optionally delivered with an amino resin. Coupling reaction.
[Instruction CD-ROM] D0342
[Abstract] A multi-layer packaging material containing: (a) at least one layer of breathable packaging material, and (b) at least one layer of a gas barrier material containing a polymeric polyol, the polymeric polyol being In the presence of a polymeric effective amount of an epoxy resin and water, prepared by copolymerization of a polyfunctional epoxy resin and water, the amount of water is sufficient to avoid gelation, and this polymeric polyol is optionally cross-linked with hydroxyl functionalities. Agent reaction, especially an amino resin.
【 Agency 】 China Patent Agent (Hong Kong) Co., Ltd. [Proxy] Zhang Yuanzhong; Yan Hong