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聚丙烯酸 PAA

Polyacrylic Acid (PAA)

CAS No. 9003-01-4

結構式
聚丙烯酸 PAA 結構式

一、性能與用途

PAA無毒,易溶于水,可在堿性和中等濃縮倍數條件下運行而不結垢。PAA能將碳酸鈣、硫酸鈣等鹽類的微晶或泥沙分散于水中不沉淀,從而達到阻垢目的;PAA是一種常用的分散劑,除用作電廠、化工廠、化肥廠、煉油廠和空調系統等循環冷卻水系統中的阻垢分散劑。還廣泛應用于造紙和紡織、印染、陶瓷、涂料、建材等行業。

二、技術指標 符合GB /T 10533-2014

項  目 指  標
-- GB/T 10533-2014 --
外 觀 無色至淡黃色透明液體 無色至淡黃色透明液體 無色至淡黃色透明液體
固體含量/% ≥30.0 ≥40.0 ≥50.0
pH值(1%水溶液) 2.5~4.5  2.5~4.5 2.5~4.5
密度(20℃)/g·cm-3 ≥1.10 ≥1.12 ≥1.20
游離單體(以AA計)/% ≤0.50 ≤0.50 ≤0.50
極限粘數(30℃)/dl·g-1 0.06~0.12 0.06~0.12 0.06~0.12

注:公司可根據客戶要求定制不同分子量、不同固含量如50%、60%的聚丙烯酸。

三、使用方法

PAA常與其他水處理劑組成配方使用, PAA具體配方及用量根據現場水質及設備材質情況由試驗而定。PAA單獨使用,一般使用濃度為1~15mg/L。PAA在其它行業如混凝土減水劑、印染使用時,應根據試驗確定用量。

四、包裝與貯存

PAA為塑料桶包裝,每桶25kg。貯于室內陰涼處,貯存期為十二個月。

五、安全與防護

PAA為弱酸性,操作時注意勞動保護,應避免與皮膚、眼睛等接觸,接觸后用大量清水沖洗。

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