POWDER COATING

To provide a powder coating which can provide a coating film having an excellent heat dissipating property while suppressing deterioration of a coating property.SOLUTION: Provided is a powder coating which is a coating for forming a cured material and is constituted of fine pulverized product of a h...

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Main Authors SASAKI FUMIYUKI, MATSUMOTO YUKI
Format Patent
LanguageEnglish
Japanese
Published 04.07.2023
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Abstract To provide a powder coating which can provide a coating film having an excellent heat dissipating property while suppressing deterioration of a coating property.SOLUTION: Provided is a powder coating which is a coating for forming a cured material and is constituted of fine pulverized product of a heat-curable composition which comprises: (A) an epoxy compound having an epoxy equivalent in a range of 200 g/eq. to 1000 g/eq.; (B) a curing agent which reacts with (A); and (C) an insulating inorganic filler which has a heat-transfer coefficient of 10 W/(m K) or more, a particle diameter (d50) of 10 μm to 60 μm, and a particle diameter (d10) of 3 μm to 40 μm, where (C) is contained in a range of 72 mass% to 85 mass % in the whole composition.SELECTED DRAWING: None 【課題】 塗装性の悪化を抑制しつつ、優れた放熱性を塗膜に付与し得る粉体塗料を提供する。【解決手段】 以下では、(A):200g/eq以上1000g/eq以下の範囲にエポキシ当量を有するエポキシ化合物、(B):(A)と反応する硬化剤、(C):10W/(m・K)以上の熱伝導率、10μm以上60μm以下の粒子径(d50)、および3μm以上40μm以下の粒子径(d10)、を有する絶縁性無機充填剤、とする。このとき、本発明に係る粉体塗料は、硬化物を形成するための塗料であって、熱硬化性組成物の微粉砕物で構成してあり、熱硬化性組成物は、(A)、(B)、および(C)を含み、(C)は、組成物全体中に、72質量%以上85質量%以下の範囲で含有されていることを特徴とする。【選択図】 なし
AbstractList To provide a powder coating which can provide a coating film having an excellent heat dissipating property while suppressing deterioration of a coating property.SOLUTION: Provided is a powder coating which is a coating for forming a cured material and is constituted of fine pulverized product of a heat-curable composition which comprises: (A) an epoxy compound having an epoxy equivalent in a range of 200 g/eq. to 1000 g/eq.; (B) a curing agent which reacts with (A); and (C) an insulating inorganic filler which has a heat-transfer coefficient of 10 W/(m K) or more, a particle diameter (d50) of 10 μm to 60 μm, and a particle diameter (d10) of 3 μm to 40 μm, where (C) is contained in a range of 72 mass% to 85 mass % in the whole composition.SELECTED DRAWING: None 【課題】 塗装性の悪化を抑制しつつ、優れた放熱性を塗膜に付与し得る粉体塗料を提供する。【解決手段】 以下では、(A):200g/eq以上1000g/eq以下の範囲にエポキシ当量を有するエポキシ化合物、(B):(A)と反応する硬化剤、(C):10W/(m・K)以上の熱伝導率、10μm以上60μm以下の粒子径(d50)、および3μm以上40μm以下の粒子径(d10)、を有する絶縁性無機充填剤、とする。このとき、本発明に係る粉体塗料は、硬化物を形成するための塗料であって、熱硬化性組成物の微粉砕物で構成してあり、熱硬化性組成物は、(A)、(B)、および(C)を含み、(C)は、組成物全体中に、72質量%以上85質量%以下の範囲で含有されていることを特徴とする。【選択図】 なし
Author SASAKI FUMIYUKI
MATSUMOTO YUKI
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Snippet To provide a powder coating which can provide a coating film having an excellent heat dissipating property while suppressing deterioration of a coating...
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SubjectTerms ADHESIVES
CHEMICAL PAINT OR INK REMOVERS
CHEMISTRY
COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS
CORRECTING FLUIDS
DYES
FILLING PASTES
INKS
METALLURGY
MISCELLANEOUS APPLICATIONS OF MATERIALS
MISCELLANEOUS COMPOSITIONS
NATURAL RESINS
PAINTS
PASTES OR SOLIDS FOR COLOURING OR PRINTING
POLISHES
USE OF MATERIALS THEREFOR
WOODSTAINS
Title POWDER COATING
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