Invention Grant
- Patent Title: Composite article including a multilayer barrier assembly and methods of making the same
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Application No.: US17301873Application Date: 2021-04-16
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Publication No.: US11752749B2Publication Date: 2023-09-12
- Inventor: Robert S. Clough , Joseph C. Spagnola , Christopher S. Lyons , Mark D. Weigel , Thomas P. Klun
- Applicant: 3M INNOVATIVE PROPERTIES COMPANY
- Applicant Address: US MN St. Paul
- Assignee: 3M INNOVATIVE PROPERTIES COMPANY
- Current Assignee: 3M INNOVATIVE PROPERTIES COMPANY
- Current Assignee Address: US MN St. Paul
- Agency: 3M Innovative Properties Company
- Main IPC: B32B27/36
- IPC: B32B27/36 ; B32B27/30 ; C08F222/10 ; B32B27/08 ; C08K5/053 ; C08L67/07

Abstract:
A composite article includes a multilayer barrier assembly bonded to a substrate, and a top polymer layer bonded to the multilayer barrier assembly opposite the substrate. The multilayer barrier assembly comprises a base polymer layer and a base inorganic barrier layer. The base polymer layer comprises a polymerized reaction product of polymerizable components comprising at least one di(meth)acrylate represented by the formula
Each R1 independently represents H or methyl; each R2 independently represents an alkyl group having from 1 to 4 carbon atoms; x=0, 1, 2, 3, or 4; and z=0, 1, 2, 3, or 4, with the provisos that at least one of x and z is not zero and 1≤x+z≤4. Methods of making the same are also disclosed.
Each R1 independently represents H or methyl; each R2 independently represents an alkyl group having from 1 to 4 carbon atoms; x=0, 1, 2, 3, or 4; and z=0, 1, 2, 3, or 4, with the provisos that at least one of x and z is not zero and 1≤x+z≤4. Methods of making the same are also disclosed.
Public/Granted literature
- US20210268782A1 COMPOSITE ARTICLE INCLUDING A MULTILAYER BARRIER ASSEMBLY AND METHODS OF MAKING THE SAME Public/Granted day:2021-09-02
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