Thickener composition and method for thickening aqueous systems
作者： Barrett Richard Bobsein , Melissa Merlau Johnson , Carol Zeszotarski , John Joseph Rabasco
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摘要: A polymer composition with blocks of hydrophobes attached to or within the backbone an associative thickener. The are composed two more units same different whereby hydrophobe is reversibly switched between being hydrophilic and hydrophobic in nature. When rendered hydrophilic, aqueous thickener pourable readily incorporated into compositions. this hydrophobic, performs its thickening function efficiently, especially tinted systems. Switching accomplished by adjusting pH thickened.
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