Blowing agent powder and process for producing the same

Blowing agent powder and process for producing the same

1. Filed of the Invention A powder comprising a blowing agent powder core which is coated with at least one oil-like substance on its surface, and a process for producing a powder comprising a blowing agent powder core which is coated with at least one oil-like substance on its surface, comprising t...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Maekawa, Tsukasa, Takao, Toshinori, Shono, Sadafumi, Yasumaru, Chiaki, Sumitomo, Shigeru, Ueda, Nobuyuki, Tachi, Yoshifumi
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:1. Filed of the Invention A powder comprising a blowing agent powder core which is coated with at least one oil-like substance on its surface, and a process for producing a powder comprising a blowing agent powder core which is coated with at least one oil-like substance on its surface, comprising the following steps (a) and (b): (a) adding at least one oil-like substance in the form of a mist to a blowing agent powder; and (b) mixing the oil-like substance with the blowing agent powder under such mixing conditions that the blowing agent powder is less susceptible to pulverization.