Stock material or miscellaneous articles – Composite – Of silicon containing
Reexamination Certificate
2006-09-29
2011-11-15
Gulakowski, Randy (Department: 1766)
Stock material or miscellaneous articles
Composite
Of silicon containing
C525S100000, C525S478000, C525S479000
Reexamination Certificate
active
08057906
ABSTRACT:
A method of reducing surface tackiness of a silicone rubber cured product is provided. The method includes coating the surface of a cured product of a curable silicone rubber composition, which has a molar ratio within the composition of hydrogen atoms bonded to silicon atoms relative to alkenyl groups bonded to silicon atoms of 1.0 or greater, and which, following curing, exhibits a type A hardness prescribed in JIS K6253 of no more than 20, with a curable silicone resin layer which, following curing, exhibits a type D hardness prescribed in JIS K6253 of 30 or greater; and subsequently curing the silicone resin to form a cured resin layer with a thickness of no more than 0.5 mm. Adhesion of dirt to the surface can be prevented.
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Kashiwagi Tsutomu
Matsumoto Koki
Sato Masanobu
Shiobara Toshio
Gulakowski Randy
Nelson Lindsay
Oblon, Spivak McClelland, Maier & Neustadt, L.L.P.
Shin-Etsu Chemical Co. , Ltd.
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