Comparison of different reactive organophosphorus flame retardant agents for cotton. Part II: Fabric flame resistant performance and physical properties

IF 7.4 2区化学 Q1 POLYMER SCIENCE Polymer Degradation and Stability Pub Date : 2007-03-01 DOI:10.1016/j.polymdegradstab.2006.12.005

Weidong Wu , Charles Q. Yang

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引用次数: 62

Abstract

N-Methylol dimethylphosphonopropionamide (MDPA) is one of the most commonly used durable flame retardant agents for cotton. In our previous research, we developed a new flame retardant finishing system based on a hydroxy-functional organophosphorus oligomer (HFPO) and bonding agents, such as dimethyloldihydroxyethyleneurea (DMDHEU) and trimethylolmelamine (TMM). In this research, we compared the flame resistant performance as well as physical properties of the cotton fabric treated with these two flame retardant finishing systems. The cotton fabric treated with MDPA/TMM has a higher initial limiting oxygen index (LOI) than that of the fabric treated with HFPO/TMM due to higher nitrogen content in the system. The LOI of the cotton fabric treated with the HFPO and MDPA systems becomes identical when the treated fabric contains equal amount of phosphorus and nitrogen. The MDPA/TMM shows higher laundering durability on cotton than HFPO/TMM system. The fabric treated with HFPO/TMM and MDPA/TMM has low wrinkle resistance and low strength loss whereas the fabric stiffness significantly increases when the TMM concentration is increased.

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不同活性有机磷棉阻燃剂的比较。第二部分:织物阻燃性能和物理性能

n -甲基二甲基膦丙酰胺(MDPA)是最常用的棉花耐用阻燃剂之一。在我们之前的研究中，我们开发了一种基于羟基功能的有机磷低聚物(HFPO)和二甲基二羟乙基乙烯脲(DMDHEU)和三甲基三聚氰胺(TMM)等粘结剂的新型阻燃整理体系。在本研究中，我们比较了这两种阻燃整理体系处理后的棉织物的阻燃性能和物理性能。MDPA/TMM处理的棉织物的初始极限氧指数(LOI)高于HFPO/TMM处理的棉织物，这是由于体系中氮含量较高。当磷、氮含量相等时，经HFPO和MDPA体系处理的棉织物的LOI值相等。MDPA/TMM体系对棉花的洗涤耐久性优于HFPO/TMM体系。经HFPO/TMM和MDPA/TMM处理后的织物抗皱性低，强度损失小，但随着TMM浓度的增加，织物刚度显著提高。

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来源期刊

Polymer Degradation and Stability 化学-高分子科学

CiteScore

10.10

自引率

10.20%

发文量

325

审稿时长

23 days

期刊介绍： Polymer Degradation and Stability deals with the degradation reactions and their control which are a major preoccupation of practitioners of the many and diverse aspects of modern polymer technology. Deteriorative reactions occur during processing, when polymers are subjected to heat, oxygen and mechanical stress, and during the useful life of the materials when oxygen and sunlight are the most important degradative agencies. In more specialised applications, degradation may be induced by high energy radiation, ozone, atmospheric pollutants, mechanical stress, biological action, hydrolysis and many other influences. The mechanisms of these reactions and stabilisation processes must be understood if the technology and application of polymers are to continue to advance. The reporting of investigations of this kind is therefore a major function of this journal. However there are also new developments in polymer technology in which degradation processes find positive applications. For example, photodegradable plastics are now available, the recycling of polymeric products will become increasingly important, degradation and combustion studies are involved in the definition of the fire hazards which are associated with polymeric materials and the microelectronics industry is vitally dependent upon polymer degradation in the manufacture of its circuitry. Polymer properties may also be improved by processes like curing and grafting, the chemistry of which can be closely related to that which causes physical deterioration in other circumstances.