硬挺剂旨在改进织物外观、增加织物弹性与丰满感,并赋予硬挺性所用的物质。该类物质应不泛黄并能耐热水洗涤。常用的有聚丙烯酸酯、聚乙烯乙酸酯与它们的共聚物(Perapret F50,K,VA,VW;Stiffening Agent 855)等。
该成膜剂有效提高玻纤的浸润性、硬挺性,以适应FRP新工艺对玻纤的要求。
It increased effectively the impregnation, stiffness of glass fiber, so as to meet the requirements of new technique of FRP.
人工合成的表面活性剂尽管是非常有效的清洁剂,但通常也会令洗后的衣物变得粗糙硬挺。
Synthetic surfactants are effective detergents but have a tendency to leave our clothes rough and stiff.
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