Modified Perfluoroplastics, and Method for The Production Thereof
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United States of America Patent
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Issued Date -
Oct 18, 2007
app pub date -
Oct 22, 2004
filing date -
Oct 30, 2003
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Modified perfluoroplastics and method for the production thereof. The invention relates to the field of chemistry and relates to modified perfluoroplastics that can be used, for example, in tribomaterials, and a method for the production thereof. Modified perfluoroplastics which, when processed in structural parts, lead to comparable gliding properties and improved wear resistances, and furthermore there is provided a simple and efficient method for production thereof. Modified perfluoropolymers are provided, the surface of which simultaneously exhibit --COOH and/or COF groups and reactive perfluoroalkyl-(peroxy-) radical centers, whereby further low-molecular and/or oligomeric and/or polymeric substances and/or olefinically unsaturated monomers and/or oligomers and/or polymers are coupled via the groups and/or to the centers. There is also provided a method for producing modified perfluoroplastics in which modified perfluoropolymers, which simultaneously exhibit --COOH and/or --COF groups and reactive perfluoroalkyl-(peroxy-) radical centers, are reacted with other substances through substitution reactions and/or addition reactions and/or radical reactions.
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