DIBLOCK COPOLYMER MODIFIED NANOPARTICLE-POLYMER NANOCOMPOSITES FOR ELECTRICAL INSULATION
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United States of America Patent
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May 8, 2014
app pub date -
Jan 14, 2014
filing date -
Apr 10, 2009
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Abstract
The invention relates to an electric insulation material including modified nanoparticles, a porous substrate and polymer matrix, wherein the modified nanoparticles include a nanoparticle and a diblock copolymer covalently attached to the nanoparticle, the diblock copolymer including a first block polymer of molecular weight greater than 1000 and a glass transition temperature below room temperature attached to the nanoparticle and a second block polymer of molecular weight greater than 1000 covalently linked to the first block polymer, wherein the second block polymer and the matrix both possess the same chemical functionality. Other electrical insulation materials and methods of making such electrical insulation materials are also disclosed.
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