CN108930168A - 一种新型人造革及其生产工艺 - Google Patents
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Abstract
本发明提供一种新型人造革,包括一基布层,基布层上设有粘合层,粘合层上设有PVC发泡层,PVC发泡层上设有耐寒层,耐寒层上设有油性处理层,油性处理层上设有TPE层,所述的耐寒层包括以下重量份的原料制备而成:聚录乙烯、邻苯二甲酸二辛脂、已二酸二辛酯、稳定剂;所述的稳定剂由光稳定剂、热稳定剂按质量比1:1混合后制得;所述的PVC发泡层包括以下重量份的原料制备而成:PVC树脂、增塑剂、热稳定剂、阻燃剂、氯化石蜡、填充剂、发泡剂;还讲述了生产人造革的工艺。本发明的有益效果是该人造革中添加了TPE层后,环保无毒安全,耐候性好,耐温性强;在PVC发泡层选用的发泡剂,使得泡孔质量好、弹性和手感好,不容易有疲劳痕和死纹。
Description
技术领域
本发明属于生产人造革技术领域,尤其是涉及一种新型人造革及其生产工艺。
背景技术
在我国,人们习惯将用PVC树脂为原料生产的人造革成为PVC人造革(简称人造革);用PU树脂为原料生产的人造革成为PU人造革(简称PU革);用PU树脂与无纺布为原料生产的人造革称为PU合成革(简称合成革)。
人造革主要包括PVC 发泡层和PVC 面层,在温度较低的情况下皮革会发生脆裂,易损害,不能使用,耐寒效果较差;同时存在人造革弹性差、易出现疲劳痕和死纹的现象。
发明内容
本发明的目的是提供一种结构简单、耐寒效果好、防止人造革出现疲劳痕和死纹的现象的新型人造革及其生产工艺,尤其适合用于生产人造革中。
本发明的技术方案是:
一种新型人造革,包括一基布层,基布层上设有粘合层,粘合层上设有PVC 发泡层,PVC发泡层上设有耐寒层,耐寒层上设有油性处理层,油性处理层上设有TPE 层,
所述的耐寒层包括以下重量份的原料制备而成:
聚录乙烯 95-105份
邻苯二甲酸二辛脂 30-50份
已二酸二辛酯 20-30份
稳定剂 1-3份;
所述的稳定剂由光稳定剂、热稳定剂按质量比1:1混合后制得;
所述的PVC 发泡层包括以下重量份的原料制备而成:
PVC树脂 95-105份
增塑剂 50-60份
热稳定剂 2-3份
阻燃剂 4-6份
氯化石蜡 5-7份
填充剂 15-20份
发泡剂 4-6 份
着色剂 适量。
进一步,所述增塑剂由邻苯二甲酸二丁酯、环氧大豆油按质量比1:8混合后制得。
进一步,所述热稳定剂采用硬脂酸钡、硬脂酸镉、硬脂酸 锌和硬脂酸铅中的一种或几种混合物。
进一步,填充剂由活性钙、轻质钙按质量比1:6混合后制得。
进一步,阻燃剂由三氧化二锑、DOP按照质量比为3:1混合后制得。
进一步,发泡剂选用偶氮二甲酰胺(ADC)、DOP按照质量比为4:1混合后制得。
一种新型人造革的生产工艺,包括以下步骤:
A、制备基布层;布料通过放卷机实现自动上料,并将该基布放入烘烤装置中预热处理,基布直接由满足家具、手袋或服装类皮革需求的布料或湿式底胚制备而成;
B、在基布层涂覆一层聚氨酯粘合剂,形成粘合层;
C、在粘合层上涂覆一层PVC 发泡层;
D根据耐寒层的各种原料重量份进行配比,在捏合机中混合均匀、经炼塑后,由挤压机挤出一定厚度与宽度的耐寒层,然后在PVC 发泡层上涂覆一层有耐寒层;
E、在耐寒层的表面涂覆一层TPE 热塑性弹性体层;
G、最后对步骤E得到的人造革压花、冷却即得成品。
本发明具有的优点和积极效果是:由于采用上述技术方案,该人造革中添加了TPE层后,环保无毒安全,耐候性好,耐温性强,降低了玻璃化的温度,在零下40℃的环境下可起到耐寒的作用;在PVC 发泡层选用的发泡剂,使得泡孔质量好、弹性和手感好,不容易有疲劳痕和死纹。
具体实施方式
一种新型人造革的生产工艺,包括以下步骤:
A、制备基布层;布料通过放卷机实现自动上料,并将该基布放入烘烤装置中预热处理,基布直接由满足家具、手袋或服装类皮革需求的布料或湿式底胚制备而成;
B、在基布层涂覆一层聚氨酯粘合剂,形成粘合层;
C、在粘合层上涂覆一层PVC 发泡层;
D根据耐寒层的各种原料重量份进行配比,在捏合机中混合均匀、经炼塑后,由挤压机挤出一定厚度与宽度的耐寒层,然后在PVC 发泡层上涂覆一层有耐寒层;
E、在耐寒层的表面涂覆一层TPE 热塑性弹性体层;
G、最后对步骤E得到的人造革压花、冷却即得成品。
实施例1
本发明的技术方案为一种新型人造革,包括一基布层,基布层上设有粘合层,粘合层上设有PVC 发泡层,PVC发泡层上设有耐寒层,耐寒层上设有油性处理层,油性处理层上设有TPE 层,
所述的耐寒层包括以下重量份的原料制备而成:
聚录乙烯 100份
邻苯二甲酸二辛脂 40份
已二酸二辛酯 25份
稳定剂 2份;
所述的稳定剂由光稳定剂、热稳定剂按质量比1:1混合后制得;
所述的PVC 发泡层包括以下重量份的原料制备而成:
PVC树脂 100份
增塑剂 55份
热稳定剂 2份
阻燃剂 5份
氯化石蜡 6份
填充剂 18份
发泡剂 5份
着色剂 适量;
所述的发泡剂选用偶氮二甲酰胺(ADC)、DOP按照质量比为4:1混合后制得。
本实施例中,所述增塑剂由邻苯二甲酸二丁酯、环氧大豆油按质量比1:8混合后制得;
本实施例中,所述热稳定剂采用硬脂酸钡、硬脂酸镉、硬脂酸 锌和硬脂酸铅中的一种或几种混合物;
本实施例中,所述填充剂由活性钙、轻质钙按质量比1:6混合后制得;
本实施例中,所述阻燃剂由三氧化二锑、DOP按照质量比为3:1混合后制得。
实施例2
一种新型人造革,包括一基布层,基布层上设有粘合层,粘合层上设有PVC 发泡层,PVC发泡层上设有耐寒层,耐寒层上设有油性处理层,油性处理层上设有TPE 层,
所述的耐寒层包括以下重量份的原料制备而成:
聚录乙烯 95份
邻苯二甲酸二辛脂 30份
已二酸二辛酯 30份
稳定剂 3份;
所述的稳定剂由光稳定剂、热稳定剂按质量比1:1混合后制得;
所述的PVC 发泡层包括以下重量份的原料制备而成:
PVC树脂 95份
增塑剂 50份
热稳定剂 2份
阻燃剂 4份
氯化石蜡 5份
填充剂 20份
发泡剂 6 份
着色剂 适量;
所述的发泡剂选用偶氮二甲酰胺(ADC)、DOP按照质量比为4:1混合后制得。
本实施例中,所述增塑剂由邻苯二甲酸二丁酯、环氧大豆油按质量比1:8混合后制得;
本实施例中,所述热稳定剂采用硬脂酸钡、硬脂酸镉、硬脂酸 锌和硬脂酸铅中的一种或几种混合物;
本实施例中,所述填充剂由活性钙、轻质钙按质量比1:6混合后制得;
本实施例中,所述阻燃剂由三氧化二锑、DOP按照质量比为3:1混合后制得。
实施例3
一种新型人造革,包括一基布层,基布层上设有粘合层,粘合层上设有PVC 发泡层,PVC发泡层上设有耐寒层,耐寒层上设有油性处理层,油性处理层上设有TPE 层,
所述的耐寒层包括以下重量份的原料制备而成:
聚录乙烯 105份
邻苯二甲酸二辛脂 50份
已二酸二辛酯 20份
稳定剂 1份;
所述的稳定剂由光稳定剂、热稳定剂按质量比1:1混合后制得;
所述的PVC 发泡层包括以下重量份的原料制备而成:
PVC树脂 105份
增塑剂 60份
热稳定剂 3份
阻燃剂 4份
氯化石蜡 5份
填充剂 15份
发泡剂 4份
着色剂 适量;
所述的发泡剂选用偶氮二甲酰胺(ADC)、DOP按照质量比为4:1混合后制得。
本实施例中,所述增塑剂由邻苯二甲酸二丁酯、环氧大豆油按质量比1:8混合后制得;
本实施例中,所述热稳定剂采用硬脂酸钡、硬脂酸镉、硬脂酸 锌和硬脂酸铅中的一种或几种混合物;
本实施例中,所述填充剂由活性钙、轻质钙按质量比1:6混合后制得;
本实施例中,所述阻燃剂由三氧化二锑、DOP按照质量比为3:1混合后制得。
对本实施例1-3的人造革进行粘度值检测,检测结果显示本实施例的人造革的原料层的粘度为4600CPS。将本实施例的人造革进行-10℃耐寒测试,测试表明,本实施例的人造革耐折4000次表面无破裂、无疲劳痕。
以上对本发明的一个实施例进行了详细说明,但所述内容仅为本发明的较佳实施例,不能被认为用于限定本发明的实施范围。凡依本发明申请范围所作的均等变化与改进等,均应仍归属于本发明的专利涵盖范围之内。
Claims (7)
1.一种新型人造革,其特征在于:包括一基布层,基布层上设有粘合层,粘合层上设有PVC 发泡层,PVC发泡层上设有耐寒层,耐寒层上设有油性处理层,油性处理层上设有TPE层,所述的耐寒层包括以下重量份的原料制备而成:聚录乙烯95-105份、邻苯二甲酸二辛脂30-50份、已二酸二辛酯20-30份、稳定剂1-3份;所述的稳定剂由光稳定剂、热稳定剂按质量比1:1混合后制得;所述的PVC 发泡层包括以下重量份的原料制备而成:PVC树脂95-105份、增塑剂50-60份、热稳定剂2-3份、阻燃剂4-6份、氯化石蜡5-7份、填充剂15-20份、发泡剂4-6份、着色剂适量。
2.根据权利要求1所述的一种新型人造革,其特征在于:所述增塑剂由邻苯二甲酸二丁酯、环氧大豆油按质量比1:8混合后制得。
3.根据权利要求1所述的一种新型人造革,其特征在于:所述热稳定剂采用硬脂酸钡、硬脂酸镉、硬脂酸 锌和硬脂酸铅中的一种或几种混合物。
4.根据权利要求1所述的一种新型人造革,其特征在于:填充剂由活性钙、轻质钙按质量比1:6混合后制得。
5.根据权利要求1所述的一种新型人造革,其特征在于:阻燃剂由三氧化二锑、DOP按照质量比为3:1混合后制得。
6.根据权利要求1所述的一种新型人造革,其特征在于:发泡剂选用偶氮二甲酰胺(ADC)、DOP按照质量比为4:1混合后制得。
7.根据权利要求1所述的一种新型人造革的生产工艺,其特征在于:包括以下步骤:
A、制备基布层;布料通过放卷机实现自动上料,并将该基布放入烘烤装置中预热处理,基布直接由满足家具、手袋或服装类皮革需求的布料或湿式底胚制备而成;
B、在基布层涂覆一层聚氨酯粘合剂,形成粘合层;
C、在粘合层上涂覆一层PVC 发泡层;
D根据耐寒层的各种原料重量份进行配比,在捏合机中混合均匀、经炼塑后,由挤压机挤出一定厚度与宽度的耐寒层,然后在PVC 发泡层上涂覆一层有耐寒层;
E、在耐寒层的表面涂覆一层TPE 热塑性弹性体层;
G、最后对步骤E得到的人造革压花、冷却即得成品。
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