本发明提供一种例如在用作汽车座椅时,不仅显著地抑制粘接褶皱以及乘降褶皱的产生,而且兼具良好的柔软性的皮革的制造方法。本发明的皮革的制造方法,依次包括前处理工序、鞣制工序、复鞣工序以及干燥终加工工序,复鞣工序包括将从鞣制工序获得的削匀皮革依次进行如下处理的步骤:使用规定的复鞣剂和规定的树脂进行处理的步骤,使用规定的复鞣剂、规定的树脂以及规定的加脂剂进行处理的步骤,以及使用规定的树脂和规定的加脂剂进行处理的步骤;并且干燥终加工工序中的干燥依次包括将从复鞣工序得到的皮革在规定的条件下进行减压干燥的步骤以及在规定的条件下进行大气压干燥的步骤。
The present invention provides a method of manufacturing leather, which not only significantly suppresses the occurrence of adhesive wrinkling and boarding/alighting wrinkling when used for an automobile seat, for example, but also exhibits appropriate flexibility.The present invention is a method of manufacturing leather including a pretreatment step, a tanning step, a retanning step, and a drying and finishing step in this order, the retanning process including, in the following order, subjecting a shaving leather obtained from the tanning process to a stage of performing treatment using a predetermined retanning agent and a predetermined resin, a stage of performing treatment using a predetermined retanning agent, a predetermined resin, and a predetermined fatliquoring agent, and a stage of performing treatment using a predetermined resin and a predetermined fatliquoring agent, and the drying in the drying and finishing process including, in the following order, subjecting a leather obtained from the retanning process to a stage of drying under reduced pressure under predetermined conditions and a step of drying at atmospheric pressure under predetermined conditions.
皮革的制造方法
2022-09-20
Patent
Elektronische Ressource
Chinesisch
IPC: | C14C Behandlung von Häuten, Fellen oder Leder mit Chemikalien, Enzymen oder Mikroorganismen, z. B. Gerben, Imprägnieren, oder Zurichten , TREATING SKINS, HIDES OR LEATHER WITH CHEMICALS, ENZYMES OR MICROORGANISMS, e.g. TANNING, IMPREGNATING OR FINISHING / B60N SEATS SPECIALLY ADAPTED FOR VEHICLES , Sitze besonders für Fahrzeuge ausgebildet / C14B Mechanische Behandlung oder Bearbeitung von Häuten, Fellen oder Leder allgemein , MECHANICAL TREATMENT OR PROCESSING OF SKINS, HIDES, OR LEATHER IN GENERAL |