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Method for the production of reptile leather or leather product using a hexavalent chromium treatment agent and reptile leather or leather product using a hexavalent chromium treatment agent

机译：用六价铬处理剂生产爬行动物皮革或皮革制品的方法和用六价铬处理剂生产爬行动物皮革或皮革制品的方法

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摘要

Provided is a method for producing a reptile leather, in which a leather can be treated with a hexavalent chromium treatment agent in the course of leather production without change in the visual appearance of the leather. The method for producing a reptile leather according to the present invention comprises: a chrome tanning step of performing chrome tanning on reptile skin to obtain a leather; a dyeing-fatliquoring step of performing dyeing and fatliquoring simultaneously on the leather subjected to the chrome tanning; and a finishing step of performing finishing on the leather subjected to the dyeing and fatliquoring, the method further comprising a hexavalent chromium treatment step of, prior to the finishing step, applying a hexavalent chromium-reducing compound capable of reducing hexavalent chromium into trivalent chromium to the leather subjected to the chrome tanning in the chrome tanning step.

机译：本发明提供一种爬行动物皮革的制造方法，其中在皮革的制造过程中可以用六价铬处理剂对皮革进行处理而不会改变皮革的外观。根据本发明的爬行动物皮革的制造方法包括：铬鞣步骤，其在爬行动物皮肤上进行铬鞣以获得皮革。染色-加脂步骤，在经过铬鞣制的皮革上同时进行染色和加脂;以及在经过染色和加脂的皮革上进行整理的整理步骤，该方法还包括六价铬处理步骤，在该整理步骤之前，将能够将六价铬还原为三价铬的六价铬还原化合物涂覆到三价铬上。在铬鞣工序中经过铬鞣的皮革。

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公开/公告号ES2787928T3

专利类型
公开/公告日2020-10-19

原文格式PDF
申请/专利权人 CITIZEN WATCH CO. LTD.;
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申请/专利号ES20170744370T
发明设计人
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申请日2017-01-27
分类号C14C3/06;A62D3/37;A62D101/24;A62D101/43;C11D1/72;C11D1/75;C11D3;C11D3/20;C14C3/28;C14C9/02;D06P3/32;D06P5;
国家 ES
入库时间 2022-08-21 11:15:12

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