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耐高溫粉末涂料的配方構成-行業動態-耐高溫粉末涂料廠家,低溫固化粉末涂料,江蘇塑料粉末(價格|批發),上海騎帆粉末,常州市源長新材料科技有限公司

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耐高溫粉末涂料的配方構成

文章出處:本站 瀏覽次數:1169發表時間:2022-06-28

耐高溫粉末涂料的配方構成

跟著環球對環保的正視程度日益增長,“漆改粉”曾經成為涂料界的趨向,耐高溫粉末涂料的市場遠景將越來越好。非常多廠家、個體戶都想曉得耐高溫粉末涂料的配方,本日小編分享給大家。

耐高溫粉末涂料其配方構成要緊以下:樹脂及其固化劑,它是涂料成膜的底子;助劑,用以改善涂層的外觀或各方面機能;顏料,付與涂層隱瞞性和色彩;填料,要緊是起到物理增強的好處。

耐高溫粉末涂料

常用的飽和聚酯樹脂、環氧樹脂等質料在350℃以上時,碳氧鍵非??炀蜁霈F斷鍵,剖釋,表現在涂層上即是粉化零落。有機硅樹脂由于其以硅氧鍵為主鏈,因其較高的鍵能而付與了有機硅樹脂較高的氧化鞏固性,是耐高溫粉末涂料主體樹脂的好選定。

顏填料是影響耐高溫涂料機能的環節,填料應選定鞏固性高,且能與有機硅樹脂的硅氧烷官能團發生反應,因此硅酸鹽類的填料是首 選,如云母粉、硅微粉等。另外即是硅酸鹽類的質料,它們要緊由于其磷酸根能與金屬舉行反應,從而包管涂層與基材之間的附著力。在顏料方面,大多通例顏料不可以經受500℃以上的高溫,白色可以選用鈦白 粉,玄色可以選用氧化鐵黑、鐵錳黑,紅黃藍等色彩,建議選用包裹型的產品,整體配方包管重金屬不會超標。


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