zhejiang feiou import&export co.,ltd - | E-Showroom
zhejiang feiou import&export co.,ltd - | E-Showroom
zhejiang feiou import&export co.,ltd
ankang rd. jiyang st. zhuji city zhejiang province china
① 高强度。干态强度为4〜7cN / dex,而湿态强度降低。
② 中度延伸为20%〜50%。
③ 高模量。在各种各样的合成纤维中,聚酯的初始模量最高,其值可高达14〜17GPa,这使聚酯织物的尺寸稳定,没有变形,变形和持久的褶皱。
④ 良好的弹性。它的弹性接近羊毛。当拉伸5%时,卸下负载后几乎可以完全恢复。因此,聚酯织物的抗皱性优于其他纤维织物。
⑤ 耐磨性。它的耐磨性仅次于尼龙,并且比其他合成纤维还要多。
3.化学稳定性。聚酯的化学稳定性主要取决于分子链结构。除了较差的耐碱性外,聚酯还具有对其他试剂的优异耐性。
① 耐酸性。聚酯对酸(特别是有机酸)非常稳定。在100 ℃ 的质量分数为5%的盐酸溶液中浸泡24h,或在40 ℃ 的质量分数为70%的硫酸溶液中浸泡72h后,强度没有损失,但是在室温下不能抵抗浓硝酸或浓硫酸的长期作用。
② 耐碱性。聚酯大分子上的酯基很容易被碱水解。常温浓碱和高温稀碱的作用会损坏纤维。只有在低温下才能稀释或稀释弱碱。
③ 耐溶剂性。聚酯对普通的非极性有机溶剂也具有很强的抵抗力,即使在室温下甚至对于极性有机溶剂也是如此。例如,在室温下在丙酮,氯仿,甲苯,三氯乙烯,四氯化碳中浸泡24小时,纤维强度不会降低。在加热下,聚酯可溶于苯酚,二甲苯酚,邻二氯苯酚,苯甲醇,硝基
苯与苯酚-四氯化碳,苯酚-氯仿,苯酚-甲苯等混合溶剂。
4.微生物抵抗力。聚酯具有抗微生物作用,不受蠕虫,霉菌等的影响。易于存储织物,而无需防止昆虫。Mali Yellow Pages Online is a Local Business to Business Directory in Mali offering business list of more than 250,000 companies. You can find Hotels in Mali , Companies in Mali , Properties in Mali , Travel info in Mali through this Site. Yellow Pages Mali Updated in 2024 Get Maximum Benefit for your Business Visit YP MarketPlaces
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