Modified metal oxide sol
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United States of America Patent
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Apr 28, 2015
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app pub date -
May 11, 2011
filing date -
May 14, 2010
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Abstract
Disclosed is a modified metal oxide sol that has a large hydrophilizing effect and antistatic effect, can be produced at low cost and is capable of being a coating. Specifically disclosed is a modified metal oxide sol characterized by modification by a functional group represented by formula (1) at 0.55-5.5 mmol per 1 g of metal oxide sol. MOS(═O)2—R1—Si(CH3)n(—O—)3-n (1) {In the formula, M is a hydrogen ion, C1-4 alkyl group, metal ion or ammonium (NR24) group; Rl is a C1-10 alkylene group (may have urethane bonds or urea bonds in the main alkylene chain); R2 may be the same or different and is a C1-5 alkyl group or a hydrogen atom; and n represents 0 or 1}.
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