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    Synthesis and properties of a glucono-delta-lactone-modified silicone surfactant from high-amine-value amodimethicone

    Year: 2020

    Journal: Phosphorus Sulfur Silicon Relat. Elem., Volume 195, MAY 3, page 392–398

    Authors: Guo, Lingxiao; Bai, Yanyun; Zhang, Dianlong; Wang, Guoyong

    Organizations: National Key R D Plan [2017YFB0308704]; National Natural Science Found of ChinaNational Natural Science Foundation of China (NSFC) [21872088]; JALA Research Found Projects [JILA 2017]

    Keywords: Aminopropyl polysiloxanes; sugar-modified amodimethicone; spherical aggregates; wetting properties

    High-amine-value aminopropyl polysiloxanes (APSO) were designed and synthesized via two different methods. APSO was then aminated with glucono-delta-lactone (GL) to produce sugar-modified amodimethicone (GLAP). The properties of GLAP were investigated systematically. GLAP has a low critical aggregation concentration (CAC) and displays low surface tensions at CAC (gamma(CAC)). GLAP forms spherical aggregates in solution. Formation of micelles and adsorption at the air-water interface are spontaneous. Moreover, its good solubility and excellent wetting properties make GLAP a potential candidate for application in paints, coatings, and agricultural adjuvants.
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