Eco-friendly functional two-component flame-retardant waterborne polyurethane coatings: a review,Polymer Chemistry

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Eco-friendly functional two-component flame-retardant waterborne polyurethane coatings: a review
Polymer Chemistry ( IF 4.1 ) Pub Date : 2021-09-06 , DOI: 10.1039/d1py00920f
Xuan Yin _{1,

2} , Haosheng Pang ₃ , Yunjun Luo ₂ , Bing Zhang ₁

Affiliation

Green functional two-component flame-retardant waterborne polyurethane (2K-FWPU) coatings possess outstanding green traits, such as providing eco-friendly protection, having low toxicity, and generating no pollution. Based on various synthesis designs, such as the use of different flame-retardants and compositions, 2K-FWPU can exhibit various functionalities in addition to excellent flame retardance. This review introduces the components, performances, functionality, and mechanism of 2K-FWPU coatings, which are mainly based on different flame-retardant modifications, in three sections: (1) their components, which include flame-retardant hydroxyl components (two types of typical flame-retardants) and isocyanate components (three kinds of typical syntheses); (2) a comparison summarizing the effects of the flame-retardants and the synthesis method on the emulsion properties, mechanical performance, water resistance, thermal properties, and flame retardance; and (3) functionalization and mechanisms, particularly optical functionalization and thermal degradation/flame-retardance mechanisms. Current 2K-FWPU coatings not only show improved flame retardancy, but they also satisfy various functionality requirements. In future, the designs of 2K-FWPU coatings will significantly assist and guide the potential development of water-based coatings for engineering applications.

中文翻译：

环保功能性双组分阻燃水性聚氨酯涂料：综述

绿色功能性双组分阻燃水性聚氨酯（2K-FWPU）涂料具有环保保护、低毒、无污染等突出的绿色特性。基于各种合成设计，例如使用不同的阻燃剂和成分，2K-FWPU 除了优异的阻燃性外，还可以表现出各种功能。本综述从三个部分介绍了主要基于不同阻燃改性的2K-FWPU涂料的组分、性能、功能和机理：（1）它们的组分，包括阻燃羟基组分（两种类型的阻燃剂）。典型的阻燃剂）和异氰酸酯组分（三种典型的合成）；(2)比较总结了阻燃剂和合成方法对乳液性能、力学性能、耐水性、热性能和阻燃性的影响；(3) 功能化和机制，特别是光学功能化和热降解/阻燃机制。当前的 2K-FWPU 涂料不仅显示出改进的阻燃性，而且还满足各种功能要求。未来，2K-FWPU 涂料的设计将极大地帮助和指导工程应用水性涂料的潜在发展。特别是光学功能化和热降解/阻燃机制。当前的 2K-FWPU 涂料不仅显示出改进的阻燃性，而且还满足各种功能要求。未来，2K-FWPU 涂料的设计将极大地帮助和指导工程应用水性涂料的潜在发展。特别是光学功能化和热降解/阻燃机制。当前的 2K-FWPU 涂料不仅显示出改进的阻燃性，而且还满足各种功能要求。未来，2K-FWPU 涂料的设计将极大地帮助和指导工程应用水性涂料的潜在发展。

更新日期：2021-09-17

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