CN112301755A - 水性压变商标革制备工艺 - Google Patents

水性压变商标革制备工艺 Download PDF

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CN112301755A
CN112301755A CN202011147784.2A CN202011147784A CN112301755A CN 112301755 A CN112301755 A CN 112301755A CN 202011147784 A CN202011147784 A CN 202011147784A CN 112301755 A CN112301755 A CN 112301755A
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吴平
王志明
张凤
陈利安
王年罗
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Kunshan Xiefu New Materials Ltd By Share Ltd
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Abstract

本发明公开了一种水性压变商标革制备工艺，将100重量份水性聚氨脂湿法树脂、0.5‑1.0重量份分散剂、10‑20重量份木粉搅拌均匀，加入4‑6重量份发泡剂、0.5‑2重量份水性色浆和1‑2重量份增稠剂搅拌均匀获得湿法浆料，将基布在酸水中含浸后烘半干，将过滤后的湿法浆料发泡到1.3‑1.4倍率，再涂刮在基布上，经凝固、轧水、水洗和干燥得湿法贝斯，将100重量份水性压变干法树脂、0.5‑1.0重量份分散剂、5‑8重量份水性色浆和1‑2重量份增稠剂搅匀得干法面料和干法底料，将干法面料涂刮于离型纸上，干燥后再涂刮干法底料并粘合湿法贝斯，本发明获得的商标革健康、环保，商标受压变色效果明显、美观。

Description

水性压变商标革制备工艺
技术领域
本发明涉一种合成革制造领域，特别是指一种水性压变商标革制备工艺。
背景技术
商标革也称为压变PU，商标革受到外界压力作用后，革面受力处发生颜色变化，经热压后的图案颜色相比原底色更深，有明显的差别，增强了视觉效果，美化了产品外表，可压印品牌LOGO、文字、图案等，主要用于中高档笔记本，记事本、商标制作、万用手册、奖证书、名片册、名片包、支票夹、钥匙包、银包、护照包、经理包、皮具礼品等。目前传统的商标革是采用顶层和顶层下的变色层形成的压变效果，变色层由脂肪族干法PU树脂、DMF、醋酸乙酯、高模量PU树脂颗粒、气相二氧化硅和聚丙烯蜡微粉混合而成，这种材料混合配料时，DMF具有毒性，生产时其对眼、皮肤和呼吸道有刺激作用，成品合成革长期使用也会有有害物挥发出来，污染环境，不利于人体健康，且商标受压后变色不明显，其变色层位于底层下侧，在有的角度观看不到变色。
发明内容
为了克服上述缺陷，本发明提供一种水性压变商标革制备工艺，采用该工艺方法生产的商标革表面压LOGO后变色，凸显商标，外形美观。
本发明为了解决其技术问题所采用的技术方案：一种水性压变商标革制备工艺，具体步骤如下：
步骤一：湿法混合配料：
a、将100重量份水性聚氨脂湿法树脂加入反应釜搅拌，加入0.5-1.0重量份分散剂，然后缓慢加入10-20重量份木粉搅拌均匀；
b、向步骤a中获得的混合物中加入4-6重量份发泡剂搅拌搅拌均匀，再加入0.5-2重量份水性色浆充分搅拌均匀，然后缓慢加入1-2重量份增稠剂搅拌均匀；
c、对步骤b中获得的混合物进行粘度检测，在低于40度的温度条件下混合物的粘度指标达到20000-25000cps为合格，对检测合格的混合物进行过滤待用；
步骤二：湿法贝斯生产：
将基布放入质量百分浓度为1.5-2％的酸水溶液中含浸处理，然后烘半干形成纺织布纤维，将步骤一中过滤好的湿法浆料通过发泡机发泡到1.3-1.4倍率，将发泡后的湿法浆料涂刮在纺织布纤维上，浸入质量百分浓度为4.5-5％的酸水溶液中进行凝固，然后顺序经过至少一道轧水工序、水洗工序和干燥工序最后得到湿法贝斯；
步骤三：干法混合配料：
将100重量份水性压变干法树脂、0.5-1.0重量份分散剂和5-8重量份水性色浆混合搅拌均匀，再加入1-2重量份增稠剂，增稠至粘度值为5000-6000CPS，形成干法面料；
将100重量份聚氨酯干法树脂、0.5-1.0重量份分散剂和5-8重量份水性色浆混合搅拌均匀，再加入1-2重量份增稠剂，增稠至粘度值为15000-20000CPS，形成干法底料；
步骤四 干法贴面：
将步骤三中配制好的干法面料涂刮于带有花型的离型纸上，经过干燥后再涂刮干法底料，然后在干法底料上粘合步骤二中获得的湿法贝斯，经过干燥后跟离型纸分离；
步骤五 成品检查。
作为本发明的进一步改进，所述步骤一的a分步中100重量份水性聚氨脂湿法树脂加入反应釜以300-500转/分钟的速度进行搅拌，加入0.8重量份分散剂，然后缓慢加入15重量份木粉在反应釜内以400-600转/分钟的转速进行搅拌30分钟。
作为本发明的进一步改进，所述步骤一b分步中加入发泡剂后以300-400转/分钟的转速进行搅拌5分钟左右，然后再加入水性色浆。
作为本发明的进一步改进，所述步骤一b分步中缓慢加入增稠剂，并在混合物增稠过程中注意观察分散情况来控制添加的速度，加入增稠剂过程中反应釜转速控制在500-600转/分钟。
作为本发明的进一步改进，所述步骤二中的酸水溶液为草酸水溶液或甲酸水溶液。
作为本发明的进一步改进，所述步骤二中预处理的基布经过温度为100度的热烫轮烘半干。
作为本发明的进一步改进，所述步骤四中干法面料在烘箱内进行烘干，干法贴面车速在10-15米/min。
本发明的有益效果是：本发明采用纯水性材料制作商标革，获得的产品为纯水性生态革，没有DMF和其他溶剂，避免了有害物质挥发，有利于人体健康和环境保护，且变色层位于人造革面层上，商标受压变色效果明显，在任意角度都能够清晰呈现，面层上通过离型纸上花纹，使得商标受压变色的同时具有清晰的花纹，使得商标更美观。
说明书附图
图1为本发明制备的水性压变商标革层间结构图。
基布层---3 湿法贝斯层---2 干法底层---1 干法变色面层---4
具体实施方式
实施例：一种水性压变商标革制备工艺，具体步骤如下：
步骤一：湿法合配料：
湿法涂刮料按下表进行备料：
Figure BDA0002740198910000041
a、将湿法水性聚氨脂湿法树脂加入反应釜以300-500转/分钟的速度搅拌，加入分散剂，然后缓慢加入木粉，反应釜在400-600转/分钟的转速下搅拌30分钟，使混合物搅拌均匀；
b、向步骤a中获得的混合物中加入发泡剂，反应釜搅拌转速降至300-400转/分钟，搅拌5分钟，搅拌均匀后再加入水性色浆充分搅拌均匀，然后缓慢加入增稠剂，在增稠过程中注意观察分散情况来控制添加的速度，一般分散快则增稠剂添加速度快，相反，分散慢则降低增稠剂添加速度，转速控制在500-600转/分钟；
c、对步骤b中获得的混合物进行粘度检测，在低于40度的温度条件下混合物的粘度指标达到20000-25000cps为合格，对检测合格的混合物进行过滤待用；
步骤二：湿法贝斯生产：
将基布在质量百分浓度为1.5-2％的草酸水溶液中含浸处理，含浸处理后的基布经过温度为100度的热烫轮烘半干，然后，将步骤一中过滤好的湿法浆料通过发泡机发泡到1.3-1.4倍率，将发泡后的湿法浆料涂刮在前述烘半干的基布上，浸入质量百分浓度为4.5-5％的酸水溶液中进行凝固、然后经过至少一道轧水工序、再进行水洗和干燥后得到一种湿法贝斯，车速在12-14米/min；
步骤三：干法混合配料:
干法面料按下表进行备料：
Figure BDA0002740198910000061
干法底料按下表进行备料：
Figure BDA0002740198910000062
步骤四：干法贴面：
将步骤三中配制好的干法面料涂刮于带有花型的离型纸上，经过烘箱干燥再涂刮干法底料，并在干法底料上粘合步骤二中得到的湿法贝斯，经过干燥后跟离型纸分离，车速在10-15米/min；
步骤五 成品检查。

Claims (7)

1.一种水性压变商标革制备工艺，其特征在于：具体步骤如下：
步骤一：湿法混合配料：
a、将100重量份水性聚氨脂湿法树脂加入反应釜搅拌，加入0.5-1.0重量份分散剂，然后缓慢加入10-20重量份木粉搅拌均匀；
b、向步骤a中获得的混合物中加入4-6重量份发泡剂搅拌搅拌均匀，再加入0.5-2重量份水性色浆充分搅拌均匀，然后缓慢加入1-2重量份增稠剂搅拌均匀；
c、对步骤b中获得的混合物进行粘度检测，在低于40度的温度条件下混合物的粘度指标达到20000-25000cps为合格，对检测合格的混合物进行过滤待用；
步骤二：湿法贝斯生产：
将基布放入质量百分浓度为1.5-2％的酸水溶液中含浸处理，然后烘半干形成纺织布纤维，将步骤一中过滤好的湿法浆料通过发泡机发泡到1.3-1.4倍率，将发泡后的湿法浆料涂刮在纺织布纤维上，浸入质量百分浓度为4.5-5％的酸水溶液中进行凝固，然后顺序经过至少一道轧水工序、水洗工序和干燥工序最后得到湿法贝斯；
步骤三：干法混合配料：
将100重量份水性压变干法树脂、0.5-1.0重量份分散剂和5-8重量份水性色浆混合搅拌均匀，再加入1-2重量份增稠剂，增稠至粘度值为5000-6000CPS，形成干法面料；
将100重量份聚氨酯干法树脂、0.5-1.0重量份分散剂和5-8重量份水性色浆混合搅拌均匀，再加入1-2重量份增稠剂，增稠至粘度值为15000-20000CPS，形成干法底料；
步骤四 干法贴面：
将步骤三中配制好的干法面料涂刮于带有花型的离型纸上，经过干燥后再涂刮干法底料，然后在干法底料上粘合步骤二中获得的湿法贝斯，经过干燥后跟离型纸分离；
步骤五 成品检查。
2.根据权利要求1所述的水性压变商标革制备工艺，其特征在于：所述步骤一的a分步中100重量份水性聚氨脂湿法树脂加入反应釜以300-500转/分钟的速度进行搅拌，加入0.8重量份分散剂，然后缓慢加入15重量份木粉在反应釜内以400-600转/分钟的转速进行搅拌30分钟。
3.根据权利要求1所述的水性压变商标革制备工艺，其特征在于：所述步骤一b分步中加入发泡剂后以300-400转/分钟的转速进行搅拌5分钟左右，然后再加入水性色浆。
4.根据权利要求1所述的水性压变商标革制备工艺，其特征在于：所述步骤一b分步中缓慢加入增稠剂，并在混合物增稠过程中注意观察分散情况来控制添加的速度，加入增稠剂过程中反应釜转速控制在500-600转/分钟。
5.根据权利要求1所述的水性压变商标革制备工艺，其特征在于：所述步骤二中的酸水溶液为草酸水溶液或甲酸水溶液。
6.根据权利要求1所述的水性压变商标革制备工艺，其特征在于：所述步骤二中预处理的基布经过温度为100度的热烫轮烘半干。
7.根据权利要求1所述的水性压变商标革制备工艺，其特征在于：所述步骤四中干法面料在烘箱内进行烘干，干法贴面车速在10-15米/min。
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