Rubber composition
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Nov 24, 2020
Grant Date -
Dec 1, 2016
app pub date -
May 11, 2016
filing date -
May 29, 2015
priority date (Note) -
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status (Latency Note)
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Abstract
Provided is a rubber composition for producing a rubber molded article that is improved in fouling resistance while being reduced in tackiness and frictional force despite the presence of the rubber in its surface. The rubber composition includes: a rubber A; and a plastic B, in which: the rubber A includes a non-fluorine-based rubber material; a difference in elastic modulus between the rubber A and the plastic B is 50 MPa or more; a sea-island structure having a sea portion containing the rubber A and a plurality of island portions each containing the plastic B is formed; the plastic B is contained at a content of more than 0 vol % and 50 vol % or less with respect to a total amount of the rubber A and the plastic B; and 90% or more of the plurality of island portions each have a volume of 4,000 μm3 or less.
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