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首页> 外文期刊>Progress in Organic Coatings: An International Review Journal >Waterborne polyurethanes from castor oil-based polyols for next generation of environmentally-friendly hair-styling agents
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Waterborne polyurethanes from castor oil-based polyols for next generation of environmentally-friendly hair-styling agents

机译：来自蓖麻油基多醇的水性聚氨酯，为下一代环保毛发造型剂

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摘要

Commercial hair-styling spray is often formulated with multiple components that contribute to toxicity and environmental pollution. In this work, a series of bio-based waterborne polyurethanes (CWPU) as hair styling agent were prepared from castor oil-based polyols. The resulting polyurethane dispersions exhibit excellent storage stability for at least 24 months. The effects of the castor oil functionality and chain extender structure on the particle size of the polyurethane dispersions were systematically investigated. Hair-styling performance and skin irritation tests on animals were also carefully performed to assess styling performance and safety of these CWPUs. A series of CWPU films was successfully prepared to study the relationship between the structure and performance of the bio-based polymer films. The resulting films show low moisture uptake rate, high transmittance, hydrophilicity and good mechanical properties. When CWPU films exhibit Young's modulus > 50 MPa, elongation at break in the 15-300 % range, and moisture uptake < 4 %, these samples exhibit good hair-styling performance, and even better than commercial hair spray product. The skin irritation test is also proved that there is no evidence of skin irritation for these CWPUs which hold great promise for hair styling applications.
机译：商业造型喷雾通常配制有多种组件，有助于毒性和环境污染。在这项工作中，由蓖麻油基多元的多元醇制备一系列生物基水性聚氨酯（CWPU）作为发型剂。所得的聚氨酯分散体表现出优异的储存稳定性至少24个月。系统研究了蓖麻油功能和链增长率结构对聚氨酯分散体粒径的影响。还仔细执行了对动物的发型性能和皮肤刺激测试，以评估这些CWPU的造型性能和安全性。成功准备了一系列CWPU薄膜，以研究生物基聚合物膜的结构和性能之间的关系。所得薄膜显示出低湿度吸收率，高透射率，亲水性和良好的机械性能。当CWPU薄膜表现出年轻的模量> 50MPa时，突破的伸长率在15-300％的范围内，以及水分吸收<4％，这些样品表现出良好的发型性能，甚至比商业发毛喷射产品更好。还证明了皮肤刺激试验，没有证据表明这些CWPU的皮肤刺激，这对头发造型应用具有巨大的承担。

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