Cov yam ntxwv yooj yim Thiab Qhov Zoo ntawm Spandex Fabrics

Spandex txhais ua" Spandex", yog ib hom ntawm fiber ntau elastic, lub npe scientific yog polyurethane fiber (Polyurethane), luv luv (PU). Nws raug hu ua" spandex" nyob hauv Suav teb loj. Nws yog ywj siab heev thiab tuaj yeem elongated 6 mus rau 7 zaus, tab sis nws tuaj yeem rov qab mus rau nws lub xeev qub nrog qhov tsis ploj. Nws cov qauv molecular yog cov saw-zoo li, muag muag thiab nthuav dav Polyurethane txhim kho nws lub zog los ntawm kev sib txuas nrog cov ntu nyuaj. Elastic fibers tau faib ua ob pawg: ib qho yog cov saw polyester; lwm qhov yog polyether chains. Polyester ywj fiber muaj muaj zog los tiv thaiv oxidation thiab roj tsis kam; polyether elastic fiber muaj zoo anti-mildew thiab xab npum tsis kam.

Spandex muaj qhov zoo tshaj plaws elasticity. Lub zog yog 2 mus rau 3 zaug siab tshaj li ntawm cov xov paj zoo nkauj, cov kab ncaj ncaj kuj yog me, thiab nws tiv taus tshuaj xeb ntau dua. Spandex muaj cov kua qaub zoo thiab alkali tsis kam, hws tsis kam, seawater tsis kam, qhuav ua kom huv, thiab puas kuj.