TOPCOAT
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United States of America Patent
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N/A
Issued Date -
Dec 9, 2010
app pub date -
Dec 26, 2008
filing date -
Dec 27, 2007
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
This invention provides a natural leather having a coating film as a topcoat layer that can suppress and prevent the occurrence of an uncomfortable squeak noise and, at the same time, has softer feeling, soft and smooth feeling, and slick feeling, a composition for the formation of a coating film on a natural leather, and a process for producing a natural leather. The natural leather comprises, as a topcoat layer, a coating film comprising 48 to 55% by weight of a two-component aliphatic polyurethane, 3 to 7% by weight of silica fine particles, 23 to 37% by weight of a cross-linking agent, and 7 to 13% by weight of a silicone touch agent (the total of the components being 100% by weight), wherein, in the coating film as the topcoat layer, the two-component aliphatic polyurethane contains 12 to 25% by weight, based on the solid content, of a polyurethane resin matting agent, or wherein, in the coating film as the topcoat layer, the two-component aliphatic polyurethane is contained in an amount of 51 to 55% by weight based on the solid content and further contains 6 to 10% by weight, based on the solid content, of a two-component aliphatic polyurethane/acryl emulsion.
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