The design of more sustainable and eco-friendly solutions is one of the central challenges in the formulation of today’s laundry products. Water-soluble polymers are indispensable additives in laundry detergents as they play a wide range of functions. At present, the vast majority of these are still produced from petrochemical resources. In order to explore more sustainable alternatives, in this work, we have synthesized, characterized, and tested a novel group of anti-redeposition and soil release polymers based on hydrophobically modified 2, 3-dihydroxypropyl chitosan (DHPCH), a highly water-soluble chitosan derivative. Chitosan was selected on the basis of its environmental profile. Our results suggest that hydrophobic moieties are essential to observe cleaning benefits on synthetic based-textile. The level of modifications and the molecular weight of the unmodified chitosan were also shown to be decisive in conveying observable cleaning properties. This work is significant because it illustrates that DHPCH is a valid biorenewable platform for the development of new sustainable polymers for laundry detergents.

中文翻译：

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二羟丙基壳聚糖：用于设计新型织物护理添加剂的生物可再生平台


设计更可持续和环保的解决方案是当今洗衣产品配方中的核心挑战之一。水溶性聚合物是洗衣粉中不可或缺的添加剂，因为它们发挥着广泛的功能。目前，其中绝大多数仍然由石化资源生产。为了探索更可持续的替代品，在这项工作中，我们合成、表征和测试了一组基于疏水改性 2,3-二羟丙基壳聚糖 （DHPCH） 的新型抗再沉积和土壤释放聚合物，DHPCH，一种高度水溶性壳聚糖衍生物。壳聚糖是根据其环境概况被选中的。我们的结果表明，疏水部分对于观察合成基纺织品的清洁效果至关重要。未改性壳聚糖的修饰水平和分子量也被证明在传达可观察的清洁特性方面起决定性作用。这项工作意义重大，因为它表明 DHPCH 是开发用于洗衣粉的新型可持续聚合物的有效生物可再生平台。