本发明涉及一种聚酯型两亲性超分散剂及其制备方法，以满足固体颗粒在不同极性介质中分散的需要。
The invention relates to a polyester amphipathic hyper-dispersant and a preparation method thereof to satisfy the demand of dispersion of solid particles in different polar media.
在某一极性介质中，游离的分散剂分子通过非极性尾链间的吸附作用被拉向那些已经吸附在颜料表面的分子。
In certain polar media, free molecules are drawn to those already attached to the pigment surface through apolar-apolar interaction of the tails.
当我们要求磁性介质能够快速地进行极性转化的时候，这种材料就必须相应地具备更低的矫顽力。
The faster you need to switch from one pole to the other, the less coercitive force the material must have.
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