COATING COMPOSITION, COATING FILM AND STRUCTURE

To provide a coating composition capable of forming a coating film having excellent transparency and durability.SOLUTION: A coating composition contains silica particles and a binder. The silica particles have an average particle size of 50 nm or more and 200 nm or less and an average circularity of...

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Main Authors YOSHIDA KAZUYO, TAGUCHI TETSUYA, HASEGAWA TAKASHI, SASAKI KOJI, NISHIOKA SACHIKO
Format Patent
LanguageEnglish
Japanese
Published 19.03.2020
Subjects
ADHESIVES
CHEMICAL PAINT OR INK REMOVERS
CHEMISTRY
COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS
COMPOUNDS THEREOF
CORRECTING FLUIDS
DYES
FILLING PASTES
INKS
INORGANIC CHEMISTRY
METALLURGY
MISCELLANEOUS APPLICATIONS OF MATERIALS
MISCELLANEOUS COMPOSITIONS
NATURAL RESINS
NON-METALLIC ELEMENTS
PAINTS
PASTES OR SOLIDS FOR COLOURING OR PRINTING
POLISHES
USE OF MATERIALS THEREFOR
WOODSTAINS
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Summary:To provide a coating composition capable of forming a coating film having excellent transparency and durability.SOLUTION: A coating composition contains silica particles and a binder. The silica particles have an average particle size of 50 nm or more and 200 nm or less and an average circularity of 0.5 or more and 0.88 or less. In the silica particles, Da/H, the ratio of an equivalent circle diameter Da obtained by planar image analysis and a maximum height H obtained by stereoscopic image analysis is 1.5 or more and 1.9 or less on average.SELECTED DRAWING: None 【課題】透明性及び耐久性に優れるコーティング膜を形成しうるコーティング組成物を提供する。【解決手段】平均粒径が５０ｎｍ以上２００ｎｍ以下であり、平均円形度が０．５以上０．８８以下であり、平面画像解析により求められる円相当径Ｄａと立体画像解析により求められる最大高さＨとの比であるＤａ／Ｈの平均値が１．５以上１．９以下であるシリカ粒子と、バインダーとを含むコーティング組成物。【選択図】なし
Bibliography:Application Number: JP20180169159