熔體紡絲:jianggaojuwujiarezhirongdianyishangdeshidangwenduyizhibeirongti,rongtijingluoganjiyaji,youjiliangbengyachupensikong,shizhixingchengxiliuzhuangsherukongqizhong,jinglengningerchengweixitiao。
溶液紡絲:選取適當溶劑,把成纖高聚物溶解成紡絲溶液,或先將高分子物質製成可溶性中間體,再溶解成紡絲溶液,然後進行紡絲。粘膠、維綸、腈綸多采用此法。溶液紡絲按凝固條件不同分為濕法紡絲和幹法紡絲。
<--小廣告開始--> 幹法紡絲:利li用yong易yi揮hui發fa的de溶rong劑ji對dui高gao分fen子zi聚ju合he物wu進jin行xing溶rong解jie,製zhi成cheng適shi於yu紡fang絲si的de粘zhan稠chou液ye。將jiang紡fang絲si粘zhan液ye從cong噴pen絲si頭tou壓ya出chu形xing成cheng細xi絲si流liu,通tong過guo熱re空kong氣qi套tao筒tong使shi細xi絲si流liu中zhong的de溶rong劑ji迅xun速su揮hui發fa而er凝ning固gu,通tong過guo牽qian伸shen成cheng絲si。(氯綸,腈綸,維綸,醋纖)
濕法紡絲:jiangchengxiangaofenzijuhewurongjieyurongjizhongzhichengfangsirongye,jiangfangsirongyeyoupensitoupenchupenchuhoujinruningguyuzhong,youyuzhanyexisiliuneiderongjikuosanyijininggujixiangzhanyexisiliuzhongshentou,shixisiliuningguchengsitiao。
shifafangsidetedianshipensitoukongshuduo,danfangsisuduman,shihefangzhiduanxianwei,erganfafangsishihefangzhichangsi。tongchangtongpinzhonghuaxuexianweiliyongganfafangsijiaoshifafangsisuodexianweijiegoujunyun,zhiliangjiaohao。 |