Synthesis of near-normal temperature soluble biomass starch by dry process for low-temperature sizing application of cotton and easy desizing

IF 12.5 1区化学 Q1 CHEMISTRY, APPLIED

Carbohydrate Polymers Pub Date : 2025-09-16 DOI:10.1016/j.carbpol.2025.124417

Wei Li , Miaolong Li , Xun Zhang , Yifan Zhang , Xiaolong Cheng

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Abstract

To achieve near-normal temperature formation of starch paste with satisfactory sizing properties for near-normal temperature sizing application of cotton warps and easy desizing, esterified-sulfonated corn starch (ESCS) samples with degrees of substitution (DS_es) of 0.021–0.072 were prepared using dry processes of esterification and sulfonation to evaluate their sizing properties and desizability. It was found that, with the rise in the DS_es, the solubility, water dispersibility, adhesion to cotton fibers for the ESCS, and its film elongation and endurance increased, reaching the highest values at DS_es = 0.072, which were significantly higher than those of acid-treated starch (ATS). The properties of ESCS (DS_es = 0.072) showed no significant variation across temperatures from 95 °C to 40 °C, attributed to only slight variations in solubility. ESCS (DS_es = 0.072) could form a paste suitable for immediate use at ~40 °C, with excellent sizing properties for cotton warp sizing at 40 °C to effectively overcome the issues of high-temperature sizing, and easy desizing from cotton warps using a simplified desizing (no chemicals and boiling water used). This study provides valuable methods for the near-normal temperature sizing of starch sizes for cotton warps and easy desizing.

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干法合成近常温可溶性生物质淀粉，用于棉花低温施胶及易退浆

为了制备出适合棉经常温上浆且易于退浆的淀粉糊，采用酯化和磺化干法制备了取代度（DSes）为0.021 ~ 0.072的酯化磺化玉米淀粉（ESCS）样品，对其上浆性能和退浆性能进行了评价。结果表明，随着DSes的升高，ESCS的溶解度、水分散性、对棉纤维的粘附力、膜伸长率和耐久度均有所提高，在DSes = 0.072时达到最高值，显著高于酸处理淀粉（ATS）。ESCS （DSes = 0.072）的性质在95°C到40°C的温度范围内没有显著变化，这是由于溶解度的轻微变化。ESCS （DSes = 0.072）可在~40℃下形成适合立即使用的浆料，具有优异的上浆性能，可有效克服高温上浆问题，并可通过简化的退浆方式（不使用化学品和沸水）对棉经进行退浆。本研究为棉经淀粉浆料的近常温上浆及易退浆提供了有价值的方法。

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来源期刊

Carbohydrate Polymers 化学-高分子科学

CiteScore

22.40

自引率

8.00%

发文量

1286

审稿时长

47 days

期刊介绍： Carbohydrate Polymers stands as a prominent journal in the glycoscience field, dedicated to exploring and harnessing the potential of polysaccharides with applications spanning bioenergy, bioplastics, biomaterials, biorefining, chemistry, drug delivery, food, health, nanotechnology, packaging, paper, pharmaceuticals, medicine, oil recovery, textiles, tissue engineering, wood, and various aspects of glycoscience. The journal emphasizes the central role of well-characterized carbohydrate polymers, highlighting their significance as the primary focus rather than a peripheral topic. Each paper must prominently feature at least one named carbohydrate polymer, evident in both citation and title, with a commitment to innovative research that advances scientific knowledge.