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US5451641A Multi-stage polymer particles having a hydrophobically-modified, ionically-soluble stage 失效
具有疏水改性的离子可溶级的多级聚合物颗粒

Multi-stage polymer particles having a hydrophobically-modified,
ionically-soluble stage
摘要:
Multi-stage polymer particles comprising at least one hydrophobically-modified, ionically-soluble polymer stage polymerized from a) hydrophobic monomer, b) ethylenically-unsaturated, ionizable monomer, c) non-ionic, ethylenically-unsaturated monomer and optionally d) multi-functional compound are improved thickeners.
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