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Synthesis and characterisation of block-copolymer surfactants with specific interactions with associative thickeners

机译:与缔合型增稠剂具有特定相互作用的嵌段共聚物表面活性剂的合成与表征

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摘要

Waterborne paints are commonly formulated using associative thickeners to give the desired rheological control.Although it is generally accepted that the viscoelastic properties of latex/associative thickeners are enhanced by the build up of a transient network,there is less agreement on the mechanism of thickening,with some proposing that associative thickeners associate to latex particles through hydrophobic associations or ion-dipole interactions,and others state that the thickening occurs through the network formation in the continuous phase or by the volume restriction in the continuous phase with no interactions between the latex and the associative thickener.
机译:水性涂​​料通常使用缔合性增稠剂配制,以实现所需的流变控制。尽管人们普遍认为,乳胶/缔合性增稠剂的粘弹性是通过建立瞬态网络来增强的,但在增稠机理上却鲜有共识,有人提出缔合性增稠剂通过疏水缔合或离子-偶极相互作用与胶乳颗粒缔合,另一些人则认为增稠是通过连续相中的网络形成或连续相中的体积限制发生的,而胶乳与胶乳之间没有相互作用。缔合增稠剂。

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