Hollow Silica Particles, Method of Manufacturing the Same, Composition Including the Same and Sheet with Inner Cavities
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United States of America Patent
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Issued Date -
Feb 26, 2015
app pub date -
Aug 15, 2014
filing date -
Aug 21, 2013
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Abstract
Disclosed are hollow silica particles having oil absorption ratio of at most 0.1 ml/g, porosity of hollow particles when mixed with a resin of at least 90%, and melting temperature of 130-200° C., and including a silicon compound having an organic group as a main component, and a composition including the hollow silica particles. A sheet including a base and a coating layer formed on the base and including a resin, and a method of manufacturing the same are provided. The coating layer includes a plurality of inner cavities, and components of the hollow particles are attached to the inner circumference of the inner cavities. The sheet has good transparency and insulation performance, and the inner cavities may be formed by simply melting hollow particles.
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