Nissan Motor Company Limited

Shoko Kano

Hiroshi Yokoyama

Masahiko Yamanaka

Hideo Sawada

Kentarou Watanabe

Hideaki Yaegashi

A nanoparticle includes a chain oligomer section having a hydrophilic group and fluoroalkyl groups respectively at its opposite terminals, a three-dimensional silica network section, and an organic chain having fluorine or silicon, and is represented by the following formula (2): where R' is independent H or independent alkyl group; X is the hydrophilic group and is selected from the group consisting of an OH group, an NCO group, an NHgroup, an NHR group (where R is alkyl group) and a COY group (where Y is a hydrophilic group); Ris the fluoroalkyl group having a carbon number of 2 to 10 and a molecular weight of 119 to 1000; 3D-SN is the three-dimensional silica network section; B is selected from the group consisting of an O, O&#x2550;C&#x2014;O, NH&#x2014;C&#x2550;O and NR&#x2014;C&#x2550;O (where R is alkyl group); E is O, O&#x2550;C&#x2014;O, NH&#x2014;C&#x2550;O or NR&#x2014;C&#x2550;O (where R is alkyl group); L is (CHO)&#x2014;[Si(CH)O]&#x2014;(CHO)-&#x3b1;, (CF)j-&#x3b1; or (CFO)-&#x3b1; where &#x3b1; is COY group (where Y is hydrophilic group), NCO group, NHgroup, NHR group (R is alkyl group), R group (or alkyl group) or H; n is 1&#x2266;n&#x2266;10; m is 1&#x2266;m&#x2266;n; k is 1&#x2266;k&#x2266;500; l is 0&#x2266;1&#x2266;10; j is 0&#x2266;j&#x2266;20; and h is 1&#x2266;h&#x2266;20.

Nanoparticle and nanoparticle composite

A nanoparticle composite includes a host molecule including a chain oligomer section having a hydrophilic group and fluoroalkyl groups respectively at opposite terminals thereof and a three-dimensional silica network section, and having a structure represented by the following formula (1): where X is the hydrophilic group and is independent OH group, independent NCO group, independent NHgroup, independent NHR group (where R is alkyl group) or independent OCY group (where Y is a hydrophilic group); Ris the fluoroalkyl group having a carbon number of 2 to 10 and a molecular weight of 119 to 1000; 3D-SN is the three-dimensional silica network section; B is independent O, independent O&#x2550;C&#x2014;O, independent NH&#x2014;C&#x2550;O or independent NR&#x2014;C&#x2550;O (where R is alkyl group); n is 1&#x2266;n&#x2266;10; and m is 1&#x2266;m&#x2266;n; and a guest molecule included in the host molecule.

Nanoparticle composite

A nanoparticle includes a chain oligomer section having a hydrophilic group and fluoroalkyl groups respectively at its opposite terminals, a three-dimensional silica network section, and an organic chain having fluorine or silicon, and is represented by the following formula (1): where R' is independent H or independent alkyl group; X is the hydrophilic group and is independent OH group, independent NCO group, independent NHgroup or the like; Ris the fluoroalkyl group having a carbon number of 2 to 10 and a molecular weight of 119 to 1000; 3D-SN is the three-dimensional silica network section; B is independent O, independent O&#x2550;C&#x2014;O or the like; E is O, O&#x2550;C&#x2014;O, NH&#x2014;C&#x2550;O or the like; G is [(CHO)&#x2014;[Si(CH)O]&#x2014;(CHO)] or the like.

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Kanagawa, Japan

Shoko Kano