Release sheets and methods of making the same

Details Release sheets and methods of making the same Release sheets and methods of making the same

2006-10-31

2010-06-29

Kruer, Kevin R. (Department: 1794)

Stock material or miscellaneous articles

Composite

Of polyamidoester

C428S522000

Reexamination Certificate

active

07745007

ABSTRACT:
Release sheets that can be used to manufacture artificial leather, paneling, and other products, as well as methods of making such release sheets are described. In general, the release sheets include a substrate and a release coating. The release coating is formed on the substrate by applying a crosslinkable material, such as an acrylic functional material, then crosslinking the material. An example of a release coating is the crosslinked reaction product of an acrylic functional material and a Michael donor. The release sheets have surfaces that can be replicated with high fidelity using a casting material, such as a urethane casting material.

REFERENCES:
patent: 4289821 (1981-09-01), Gray, III et al.
patent: 5945489 (1999-08-01), Moy et al.
patent: 6025410 (2000-02-01), Moy et al.
patent: 6355343 (2002-03-01), Glassock
patent: 6355345 (2002-03-01), Furuya et al.
patent: 6861024 (2005-03-01), Glassock
patent: WO 2006/065369 (2006-06-01), None
PCT Notification of Transmittal of International Search Report and Written Opinion for corresponding International Application No. PCT/US2007/082085, dated Apr. 7, 2008.

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