發(fā)布時間：2019-03-08 19:02

【摘要】：隨著人們對棉產(chǎn)品消費需求的增加,棉紗上漿漿料的使用量非常巨大。針對目前PVA漿料難生物降解的問題,研發(fā)出一種易生物降解的清潔型漿料,符合環(huán)保發(fā)展的要求,因此這是一項非常重要的研究課題。本研究的目的是開發(fā)一類易生物降解的陽離子蛋白類漿料,用于替代難生物降解的PVA漿料,并提升廢棄蛋白原料的再利用價值。課題首先以明膠蛋白作為一種原料,與丙烯酸類單體進行乳液聚合,合成出一類蛋白衍生物助劑;然后再將其與自制的一種高反應性陽離子交聯(lián)劑(WLS)反應,制備一種季銨鹽型陽離子蛋白衍生物漿料,將該漿料應用于純棉和滌棉紗線上漿。本文以漿液的接枝率、接枝效率,漿紗上漿率、增強率、減伸率以及毛羽降低率等為評價指標,研究了明膠蛋白、丙烯酰胺與丙烯酸丁酯的質量比、乳化劑用量、引發(fā)劑用量、合成溫度、合成時間以及WLS用量等合成工藝條件對純棉紗線上漿性能的影響,確定了陽離子蛋白衍生物漿料的最佳合成工藝,該漿料的結構和性能進行表征和分析。結果表明,本研究合成出的陽離子蛋白衍生物漿料是目標產(chǎn)物,該漿料具有陽離子基團和蛋白結構�？梢杂行У奶岣邼{紗的強力,減少紗線的毛羽,并且可以替代難生物降解的PVA漿料,同時漿紗經(jīng)適當條件的精練退漿后,染色性能顯著提高。而且該漿料以明膠蛋白作為一種主要原料,可以有效利用廢棄物,因此合成漿料符合綠色環(huán)保漿料發(fā)展的要求,有良好的應用前景。
[Abstract]:With the increase of consumption demand for cotton products, the amount of sizing material used in cotton yarn is very large. In order to solve the problem of difficult biodegradation of PVA slurry, a kind of clean slurry which is easy to biodegradable is developed, which accords with the requirements of environmental protection development, so it is a very important research topic. The purpose of this study is to develop a kind of cationic protein size which is easy to biodegradable to replace the difficult biodegradable PVA slurry and to enhance the reuse value of waste protein raw material. Firstly, gelatin protein was used as a raw material for emulsion polymerization with acrylic monomers to synthesize a kind of protein derivative auxiliaries. Then a quaternary ammonium salt cationic protein derivative size was prepared by reacting it with a self-made cationic cross-linking agent (WLS). The sizing agent was applied to sizing pure cotton and polyester-cotton yarns. In this paper, the grafting rate, grafting efficiency, sizing rate, strengthening rate, elongation reduction rate and hairiness reduction rate of sizing were used as evaluation indexes. The mass ratio of gelatin protein, acrylamide to butyl acrylate, the amount of emulsifier, and the amount of initiator were studied. The effects of synthetic conditions such as synthesis temperature, synthesis time and the amount of WLS on the sizing properties of pure cotton yarn were studied. The optimum synthesis process of cationic protein derivative size was determined. The structure and properties of the slurry were characterized and analyzed. The results show that the cationic protein derivative size synthesized in this study is the target product, and the size has cationic groups and protein structure. It can effectively improve the strength of sizing, reduce the hairiness of yarn, and can replace the difficult biodegradable PVA sizing. At the same time, the dyeing property of sizing is improved obviously after the sizing is desizing under appropriate conditions. Moreover, gelatin protein is used as a main raw material, and the waste can be used effectively. Therefore, the synthetic slurry accords with the requirements of the development of green and environmental friendly slurry, and has a good application prospect.
【學位授予單位】：西安工程大學
【學位級別】：碩士
【學位授予年份】：2015
【分類號】：TS103.846

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