https://orcid.org/0000-0003-0986-8714
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ABSTRACT
Wrinkling effect in cellulose fiber–made fabrics has a major setback for their use as apparels necessitating the use of crease resistance finish. For a while, formaldehyde-based-finished dimethyl dihydroxy ethylene urea has been used as crease resistance finish. DMDHEU finished fabric will releases formaldehyde during its application, that affects both user’s health and the environment. This research optimized citric acid (CA) and silk fibroin solution as a crease resistance finishing agent. CA was identified as a non-formaldehyde-based cross-linking agent but causes yellowing in cotton fabrics. To steer clear of this, silk fibroin solution was added with CA to increase the crease resistant in avoiding yellowing of the fabric caused by CA. The optimum combination of the processing parameters obtained was 6% silk fibroin solution, 30 g/L of CA, and 6% sodium dihydrogen phosphate, at a finishing bath at pH of 5.5 with curing temperature of 150°C. These optimized finishing parameters achieved a dry crease recovery angle of 252° while obtaining an 84% tensile strength retention, 96% tearing strength retention, and 75 WI (93%) whiteness index.
摘要
纤维素纤维织物的起皱效果对其作为服装的使用有很大的阻碍，因此需要使用抗皱整理剂. 有一段时间，甲醛基整理剂二甲基二羟基乙烯脲（DMDHEU）被用作抗皱整理剂. 但在使用和使用过程中，甲醛会释放出来，影响使用者的健康和环境. 本研究优化了柠檬酸和丝素溶液作为抗皱整理剂。柠檬酸是一种非甲醛交联剂，但会引起棉织物的黄变. 为了避免这种情况的发生，丝素溶液中加入柠檬酸以提高织物的抗皱性，避免柠檬酸引起织物的黄变. 所得工艺参数的最佳组合为6%丝素溶液、30g/L柠檬酸和6%磷酸二氢钠，在固化温度为150°C、pH5.5的终饰浴中. 这些优化后的整理参数获得了252°的干折痕回复角（DCRA），同时获得了84%的拉伸强度保持率、96%的撕裂强度保持率和75WI（93%）的白度指数.