无纺布没有经线纬线之分
针刺无纺布是干法非织造布中一种,是将短纤维经过开松、梳理、铺成纤维网,然后将纤维网通过刺针加固成布,刺针有钩刺,将纤维网反复穿刺,钩带纤维加固,形成针刺无纺布,无纺布没有经线纬线之分,成布纤维杂乱,经向纬向性能差别不大。典型产品:合成皮革基布、针刺土工布等。
Needle-punched nonwovens are one of dry nonwovens. They are made of staple fibers which are zhushifen.07858.netjubingxi.07858.netguolvqiy.89ix.com jiezhifab.89ix.comyouxiangy.89ix.comshiyanc.89ix.comloosened, carding and laid into fibre nets. Then the fibre nets are reinforced into cloth by needles. The needles have hooks. The needles are punctured repeatedly and the hook-belt fibers are reinforced to form needle-punched nonwovens. Typical products: synthetic leather base cloth, needle-punched geotextile, etc.