Invention Grant
- Patent Title: Multi-layer articles and method for improving the release life of the same
- Patent Title (中): 多层文章和提高其释放寿命的方法
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Application No.: US12443988Application Date: 2007-10-03
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Publication No.: US08007863B2Publication Date: 2011-08-30
- Inventor: Blake E. Chandler , Thomas J. Blong , Shannon S. Le Blanc
- Applicant: Blake E. Chandler , Thomas J. Blong , Shannon S. Le Blanc
- Applicant Address: US MN St. Paul
- Assignee: 3M Innovative Properties Company
- Current Assignee: 3M Innovative Properties Company
- Current Assignee Address: US MN St. Paul
- International Application: PCT/US2007/080271 WO 20071003
- International Announcement: WO2008/042942 WO 20080410
- Main IPC: B05D7/00
- IPC: B05D7/00

Abstract:
A multi-layer article including a foodware substrate and a fluoropolymer composition having a copolymer consisting of from 80 to 94% by weight tetrafluoroethylene, from 6 to 20% by weight of one or more perfluorovinyl ethers of the formula CF2═CFO(RafO)n(RbfO)mRcf, where Raf and Rbf are independently selected from linear or branched perfluoroalkylene groups of 1-6 carbon atoms, m and n are each independently 0-10 and Rcf is a perfluoroalkyl group of 1-6 carbon atoms, where when the perfluorovinyl ether content is less than 7% by weight, the fluoropolymer has an MFI of 5 or less; and/or a copolymer comprising from 80-94% by weight tetrafluoroethylene, from 5-20% by weight of a perfluorovinyl ether of the formula CF2═CFO(RafO)n(RbfO)mRcf where Raf, Rbf, m, n and Rcf are the same as defined above, and up to 15% by weight of one or more additional monomers based on the total weight of the fluoropolymer.
Public/Granted literature
- US20100009075A1 MULTI-LAYER ARTICLES AND METHOD FOR IMPROVING THE RELEASE LIFE OF THE SAME Public/Granted day:2010-01-14
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