CN1212210A - 湿法聚氨酯皮革表面印刷方法 - Google Patents

湿法聚氨酯皮革表面印刷方法 Download PDF

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Publication number
CN1212210A
CN1212210A CN 97108230 CN97108230A CN1212210A CN 1212210 A CN1212210 A CN 1212210A CN 97108230 CN97108230 CN 97108230 CN 97108230 A CN97108230 A CN 97108230A CN 1212210 A CN1212210 A CN 1212210A
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polyurethane
leather
leather surface
printing
polyurethane leather
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CN1058228C (zh
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何述金
郭序宁
滕树盈
金井
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Changsha Zhongyuan Science and Technology Co., Ltd.
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ANSU PLASTIC PRODUCTS FACTORY CHANGSHA
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Abstract

湿法聚氨酯皮革表面印刷方法,它是在电子雕刻的花纹的凹板印刷辊表面涂一层二甲基甲酰胺溶液,花纹雕刻深度在2—4丝,然后,在三板印刷机上对聚氨酯皮表面印花,利用二甲基甲酰胺溶液溶解聚氨酯,因此,在皮革表面形成一定深度的凹陷花纹,以破坏皮革表面的致密层,提高聚氨酯皮革的透气性。本发明操作工艺简单,印刷效果好,有效提升人造革的使用性能,适于工业化大生产,适于作为现有人造革表面印花工艺的更新换代升级工艺。

Description

湿法聚氨脂皮革表面印刷方法
本发明公开了一种湿法聚氨脂皮革表面印刷方法。
湿法聚氨脂皮革自五十年代问世以来，因其外观、手感、卫生性均能较PVC皮革好，因而，大大拓展了人造革的应用领域，工艺、技术均得到了较快发展；但由于湿法聚氨脂皮革本身结构所致，使其透气性仍不能满足使用的需要；因聚氨脂皮革横截面结构从形式上看可分为三层：首先是聚氨脂涂层与基布的结合层，这层结构的聚氨脂裹腹着纤维，但不是粘连，因此，该层结构透气力强；其次是中间的成肌层，这层结构泡孔很大，且相互连通，因此，具有极强的透气能力；再次是表层，由于表层聚氨脂最先接触水，凝固速度最快，因此，表面泡孔很细微，一般称为致密层，该层透气能力极小，正是由于致密层的作用，使聚氨脂皮革的整体透气能力下降，不能满足某些使用的需要。习用的皮革表面印刷工艺，仅仅是在皮革表面涂覆一层印料，使皮革局部增厚，透气性能降低。
本发明的目的在于提供一种操作工艺简单，能有效改善聚氨脂皮革表层透气性能的湿法聚氨脂皮革表面印刷方法。
本发明是采用下述方案实现的：它是在电子雕刻的花纹的凹板印刷辊表面涂一层二甲基甲酰胺溶液，花纹雕刻深度在2-4丝，然后，在三板印刷机上对聚氨脂皮表面印花，由于二甲基甲酰胺溶液对聚氨脂的溶解能力特强，且溶解速度快，因此，聚氨脂皮革经印刷后，且形成一定深度的凹陷花纹，从而，有效地破坏了聚氨脂皮革表面的致密层，可极大地提高聚氨脂皮革的透气性能。
本发明的具体实施例简述于下：
将浓度为50％～80％的二甲基甲酰胺溶液涂于花纹雕刻深度为3丝的凹版印刷辊上，用刀片刮去多余的溶液，然后对聚氨脂皮革表面印唰，因二甲基甲酰胺对聚氨脂皮革的溶解能力极强，因此，经印刷后的聚氨脂皮革表面将产生3丝左右深度的凹陷花纹，使聚氨脂皮革表面致密层印刷到的部位遭到破坏，可大大增加皮革表面的美观性，改变了传统的皮革表面印花只能将印刷原料及颜料涂于皮革表面，增加皮革局部厚度，降低其透气性的工艺方法；在改变皮革表面美观性的同时，提升了皮革透气性。
综上所述，本发明操作工艺简单，印刷效果好，能有效改善聚氨脂皮的透气性，有效提升人造革的使用性能，适于工业化大生产，适于作为现有人造革表面印花工艺的更新换代升级工艺。

Claims (1)

  1. 湿法聚氨脂皮革表面印刷方法，其特征在于在电子雕刻的花纹的凹板印刷辊表面涂一层二甲基甲酰胺溶液，花纹雕刻深度在2-4丝，然后，在三板印刷机上对聚氨脂皮表面印花。
CN97108230A 1997-09-19 1997-09-19 湿法聚氨酯皮革表面印刷方法 Expired - Fee Related CN1058228C (zh)

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CN97108230A CN1058228C (zh) 1997-09-19 1997-09-19 湿法聚氨酯皮革表面印刷方法

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CN97108230A CN1058228C (zh) 1997-09-19 1997-09-19 湿法聚氨酯皮革表面印刷方法

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CN1212210A true CN1212210A (zh) 1999-03-31
CN1058228C CN1058228C (zh) 2000-11-08

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103306082A (zh) * 2013-05-22 2013-09-18 海安县联发弘佳纺织有限公司 一种花型嵌套的印花工艺
CN103935108A (zh) * 2013-01-22 2014-07-23 吕东鸿 人造皮面基材及其成型制法
CN106696496A (zh) * 2016-11-17 2017-05-24 际华三五五皮革皮鞋有限公司 一种固定丝印的方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN85104486B (zh) * 1985-06-05 1988-10-26 上海第二印染厂 印花皮革及其制造方法
US5383414A (en) * 1993-05-17 1995-01-24 Union Special Corporation Apparatus for making a three needle stitch with cover thread
CN1094755A (zh) * 1993-11-30 1994-11-09 许俊雄 聚胺酯二榔皮制造方法

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103935108A (zh) * 2013-01-22 2014-07-23 吕东鸿 人造皮面基材及其成型制法
CN103306082A (zh) * 2013-05-22 2013-09-18 海安县联发弘佳纺织有限公司 一种花型嵌套的印花工艺
CN106696496A (zh) * 2016-11-17 2017-05-24 际华三五五皮革皮鞋有限公司 一种固定丝印的方法
CN106696496B (zh) * 2016-11-17 2019-11-12 际华三五一五皮革皮鞋有限公司 一种固定丝印的方法

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