1250目煅烧高岭土在涂料中的作用是什么?

我想知道,1250目的煅烧高岭土在涂料重的详细作用是什么?
2025-03-15 13:23:57
推荐回答(3个)
回答1:

涂料级煅烧高岭土MXK401 “1250目”

[类 别] MXK401为煤系煅烧高岭土

[性能特点] 粒度细,分布合理,325目筛余物很低;白度高,光散射性能好,遮盖力强;在各种体系中分散性好、悬浮性好、流动性好;不与其它任何助剂、溶剂发生反应。可部分替代价格昂贵的二氧化钛;提高涂料的耐擦洗性、耐磨性和耐候性;具有极好的防沉降作用,改善涂料的贮存稳定性。

[应用范围] 各种类型的涂料,包括乳胶漆、粉末涂料、油性涂料等领域。

MXK401 的主要物理指标
指 标 MXK401
白 度 (%) ≥91
粒 度 (-2μm),% ≥95
325目筛余物 ,% max ≤0.005
PH 值 6.0-7.0
分散性(um) ≤45

最佳分散条件:在分散液中加入C211分散剂的量为煅烧高岭土质量的0.038%,加入NaOH的量为煅烧高岭土质量的0.162%,调整搅拌。

回答2:

1、脱去有机碳和其他杂质矿物以提高白度;2、脱去高岭土所含水分、羟基以提高煅烧产品的空隙体积和化学反应活性,改善物理化学性能,满足各种各样的应用需求

回答3:

填充物,主要成膜物质

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