CN111455688A - 一种干法pvc热压变色人造革的制造工艺 - Google Patents
一种干法pvc热压变色人造革的制造工艺 Download PDFInfo
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- 239000002649 leather substitute Substances 0.000 title claims abstract description 41
- 238000007731 hot pressing Methods 0.000 title claims abstract description 17
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 16
- 238000000034 method Methods 0.000 title claims abstract description 14
- 239000002994 raw material Substances 0.000 claims abstract description 47
- 239000010410 layer Substances 0.000 claims description 104
- 239000011248 coating agent Substances 0.000 claims description 33
- 238000000576 coating method Methods 0.000 claims description 33
- 239000000843 powder Substances 0.000 claims description 28
- 238000001035 drying Methods 0.000 claims description 27
- 239000004744 fabric Substances 0.000 claims description 27
- 239000004014 plasticizer Substances 0.000 claims description 23
- 239000012760 heat stabilizer Substances 0.000 claims description 22
- 239000002344 surface layer Substances 0.000 claims description 22
- 239000012860 organic pigment Substances 0.000 claims description 16
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 14
- 238000001816 cooling Methods 0.000 claims description 14
- 239000006260 foam Substances 0.000 claims description 14
- BJAJDJDODCWPNS-UHFFFAOYSA-N dotp Chemical group O=C1N2CCOC2=NC2=C1SC=C2 BJAJDJDODCWPNS-UHFFFAOYSA-N 0.000 claims description 11
- 239000003085 diluting agent Substances 0.000 claims description 9
- NFVZIERLAZUYBQ-UHFFFAOYSA-N [K].[Zn] Chemical compound [K].[Zn] NFVZIERLAZUYBQ-UHFFFAOYSA-N 0.000 claims description 8
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 7
- 239000004088 foaming agent Substances 0.000 claims description 7
- 239000001023 inorganic pigment Substances 0.000 claims description 7
- 229920005749 polyurethane resin Polymers 0.000 claims description 7
- SHLNMHIRQGRGOL-UHFFFAOYSA-N barium zinc Chemical group [Zn].[Ba] SHLNMHIRQGRGOL-UHFFFAOYSA-N 0.000 claims description 5
- 238000005520 cutting process Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- 238000004806 packaging method and process Methods 0.000 claims description 5
- 239000012790 adhesive layer Substances 0.000 claims description 2
- 239000000049 pigment Substances 0.000 claims description 2
- 239000003381 stabilizer Substances 0.000 claims description 2
- 238000007906 compression Methods 0.000 claims 4
- 238000002845 discoloration Methods 0.000 claims 4
- 239000004814 polyurethane Substances 0.000 description 4
- 239000011247 coating layer Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000003017 thermal stabilizer Substances 0.000 description 3
- 206010047289 Ventricular extrasystoles Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000004597 plastic additive Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
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Abstract
本发明公开了一种干法PVC热压变色人造革的制造工艺，本发明利用干法PVC热压工艺制备变色人造革，通过精确控制原料层的配比以及热压工艺的参数，获得一种热压变色的人造革，本发明所制备的PVC人造革包括五层结构，依次为PVC面层、泡层、PVC底层、粘结层和布层。通过工艺参数的调整提高了热压变色的能力，同时也提高了人造革的耐磨性能。
Description
技术领域
本发明涉及人造革加工技术领域，特别是涉及一种干法PVC热压变色人造革的制造工艺。
背景技术
人造革是一种外观、手感似皮革并可代替其使用的塑料制品。通常以织物为底基，涂覆合成树脂及各种塑料添加制成。主要有PVC人造革、PU人造革和PU合成革三类。
其中PVC人造革是指用PVC树脂为原料生产的人造革称为PVC人造革；目前，市场上PVC人造革的成本远远低于PU人造革，由于其低廉的价格，使得其应用越来越广泛，特别是在汽车制造行业。但是目前PVC人造革进行热压变色时，变色对比度远远低于PU人造革，且热压变色后的PVC人造革的使用寿命进一步缩短，极大降低了PVC的高端市场应用。
发明内容
基于上述问题，本发明的目的是提供了一种干法PVC热压变色人造革的制造工艺。该工艺所制备的PVC人造革包括五层结构，依次为PVC面层、泡层、PVC底层、粘结层和布层，通过工艺的调整提高了热压变色的能力，同时也提高了人造革的耐磨性能。
本发明的技术方案，包括以下步骤：
S1、配料，所述人造革从外到内包括PVC面层、泡层、PVC底层、粘结层和布层，依次配制各层的原料，
所述PVC面层包括PVC粉、增塑剂、有机颜料、热稳定剂，
所述泡层包括PVC粉、增塑剂、稳定剂、有机颜料和发泡剂，
所述PVC底层包括PVC粉、无机颜料、增塑剂、热稳定剂和碳酸钙粉，
所述粘结层包括聚氨酯树脂、稀释剂，
所述布层为基布层；
S2、依次将PVC面层、泡层、PVC底层、粘结层原料均匀涂在离型纸上，同时每涂覆一层并进行干燥后，再涂覆下一层原料；
S3、然后进行贴布处理，即将基布与粘结层相结合；
S4、将贴布后的产品进行烘干处理，冷却后进行剥离，裁边，印刷，包装。
具体而言，所述PVC面层的原料组成为：PVC粉100重量份、增塑剂50-80重量份、有机颜料3-5重量份、热稳定剂2-3重量份，
所述泡层的原料组成为：PVC粉100重量份、增塑剂50-80重量份、热稳定剂2-3重量份、有机颜料3-5重量份、发泡剂5-8重量份，
所述PVC底层的原料组成为：PVC粉100重量份、无机颜料3-5重量份、增塑剂50-80重量份、热稳定剂2-3重量份、碳酸钙粉50-100重量份，
所述粘结层的原料组成为：聚氨酯树脂100重量份、稀释剂30-50重量份。
具体而言，在一些实施例中，本发明所述热稳定剂为钡锌热稳定剂或钾锌热稳定剂，所述增塑剂为DOTP，所述泡层中的有机颜料为透明颜料。
具体而言，在一些实施例中，本发明所述稀释剂为DMF。
具体而言，步骤S2中所述PVC面层、泡层、PVC底层、粘结层在离型纸上的涂覆量分别为50-300g/m2。
具体而言，步骤S2中所述的干燥温度为150-200℃，干燥时间为30-60s。
具体而言，步骤S4中所述的烘干温度为140-170℃，烘干时间为30-60s。
与现有技术相比，本发明具有以下有益效果：本发明简化了人造革的加工工艺，工艺成本低廉，且工艺效率高；同时利用本发明所制备的人造革能够进行热压变色，变色对比度高，且耐磨性好，具有较长的使用寿命。
具体实施方式
下面结合具体实施例对本发明作进一步说明。
实施例1
一种干法PVC热压变色人造革的制造工艺，包括以下步骤：
S1、配料，所述人造革从外到内包括PVC面层、泡层、PVC底层、粘结层和布层，依次配制各层的原料，
所述PVC面层的原料组成为：PVC粉100重量份、DOTP增塑剂50重量份、有机颜料3重量份、钡锌热稳定剂2重量份，
所述泡层的原料组成为：PVC粉100重量份、DOTP增塑剂60重量份、钾锌热稳定剂3重量份、透明有机颜料4重量份、发泡剂5重量份，
所述PVC底层的原料组成为：PVC粉100重量份、无机颜料4重量份、DOTP增塑剂70重量份、钾锌热稳定剂2重量份、碳酸钙粉50重量份，
所述粘结层的原料组成为：聚氨酯树脂100重量份、DMF稀释剂30重量份，
所述布层为基布层；
S2、依次将PVC面层、泡层、PVC底层、粘结层原料均匀涂在离型纸上，同时每涂覆一层并进行干燥后，再涂覆下一层原料，具体工艺如下：将PVC面层原料均匀涂在离型纸上，涂覆量为120g/m2，在温度为170℃下干燥30s；冷却后涂泡层原料，涂覆量为100g/m2，在温度为160℃下干燥40s；冷却后涂PVC底层原料，涂覆量为150g/m2，在温度为180℃下干燥60s，并进行冷却；然后涂覆粘结层原料，涂覆量为80g/m2；
S3、然后进行贴布处理，即将基布与粘结层相结合；
S4、将贴布后的产品进行烘干处理，烘干温度为140℃，烘干时间为30s，冷却后进行剥离，裁边，印刷，包装。
实施例2
一种干法PVC热压变色人造革的制造工艺，包括以下步骤：
S1、配料，所述人造革从外到内包括PVC面层、泡层、PVC底层、粘结层和布层，依次配制各层的原料，
所述PVC面层的原料组成为：PVC粉100重量份、DOTP增塑剂60重量份、有机颜料5重量份、钡锌热稳定剂3重量份，
所述泡层的原料组成为：PVC粉100重量份、DOTP增塑剂75重量份、钾锌热稳定剂3重量份、透明有机颜料3重量份、发泡剂7重量份，
所述PVC底层的原料组成为：PVC粉100重量份、无机颜料5重量份、DOTP增塑剂80重量份、钾锌热稳定剂3重量份、碳酸钙粉100重量份，
所述粘结层的原料组成为：聚氨酯树脂100重量份、DMF稀释剂50重量份，
所述布层为基布层；
S2、依次将PVC面层、泡层、PVC底层、粘结层原料均匀涂在离型纸上，同时每涂覆一层并进行干燥后，再涂覆下一层原料，具体工艺如下：将PVC面层原料均匀涂在离型纸上，涂覆量为200g/m2，在温度为180℃下干燥60s；冷却后涂泡层原料，涂覆量为100g/m2，在温度为195℃下干燥30s；冷却后涂PVC底层原料，涂覆量为300g/m2，在温度为190℃下干燥50s，并进行冷却；然后涂覆粘结层原料，涂覆量为100g/m2；
S3、然后进行贴布处理，即将基布与粘结层相结合；
S4、将贴布后的产品进行烘干处理，烘干温度为170℃，烘干时间为60s，冷却后进行剥离，裁边，印刷，包装。
实施例3
一种干法PVC热压变色人造革的制造工艺，包括以下步骤：
S1、配料，所述人造革从外到内包括PVC面层、泡层、PVC底层、粘结层和布层，依次配制各层的原料，
所述PVC面层的原料组成为：PVC粉100重量份、DOTP增塑剂60重量份、有机颜料4重量份、钡锌热稳定剂3重量份，
所述泡层的原料组成为：PVC粉100重量份、DOTP增塑剂50重量份、钾锌热稳定剂2.5重量份、透明有机颜料4重量份、发泡剂8重量份，
所述PVC底层的原料组成为：PVC粉100重量份、无机颜料5重量份、DOTP增塑剂70重量份、钾锌热稳定剂3重量份、碳酸钙粉90重量份，
所述粘结层的原料组成为：聚氨酯树脂100重量份、DMF稀释剂50重量份，
所述布层为基布层；
S2、依次将PVC面层、泡层、PVC底层、粘结层原料均匀涂在离型纸上，同时每涂覆一层并进行干燥后，再涂覆下一层原料，具体工艺如下：将PVC面层原料均匀涂在离型纸上，涂覆量为150g/m2，在温度为180℃下干燥60s；冷却后涂泡层原料，涂覆量为200g/m2，在温度为170℃下干燥60s；冷却后涂PVC底层原料，涂覆量为250g/m2，在温度为180℃下干燥60s，并进行冷却；然后涂覆粘结层原料，涂覆量为100g/m2；
S3、然后进行贴布处理，即将基布与粘结层相结合；
S4、将贴布后的产品进行烘干处理，烘干温度为150℃，烘干时间为60s，冷却后进行剥离，裁边，印刷，包装。
本文中应用了具体个例对本发明的原理及实施方式进行了阐述，以上实施例的说明只是用于帮助理解本发明的方法及其核心思想；同时，对于本领域的一般技术人员，依据本发明的思想，在具体实施方式及应用范围上均会有改变之处。综上所述，本说明书内容不应理解为对本发明的限制。
Claims (7)
1.一种干法PVC热压变色人造革的制造工艺，其特征在于，包括以下步骤：
S1、配料，所述人造革从外到内包括PVC面层、泡层、PVC底层、粘结层和布层，依次配制各层的原料，
所述PVC面层包括PVC粉、增塑剂、有机颜料、热稳定剂，
所述泡层包括PVC粉、增塑剂、稳定剂、有机颜料和发泡剂，
所述PVC底层包括PVC粉、无机颜料、增塑剂、热稳定剂和碳酸钙粉，
所述粘结层包括聚氨酯树脂、稀释剂，
所述布层为基布层；
S2、依次将PVC面层、泡层、PVC底层、粘结层原料均匀涂在离型纸上，同时每涂覆一层并进行干燥后，再涂覆下一层原料；
S3、然后进行贴布处理，即将基布与粘结层相结合；
S4、将贴布后的产品进行烘干处理，冷却后进行剥离，裁边，印刷，包装。
2.根据权利要求1所述的干法PVC热压变色人造革的制造工艺，其特征在于，所述PVC面层的原料组成为：PVC粉100重量份、增塑剂50-80重量份、有机颜料3-5重量份、热稳定剂2-3重量份，
所述泡层的原料组成为：PVC粉100重量份、增塑剂50-80重量份、热稳定剂2-3重量份、有机颜料3-5重量份、发泡剂5-8重量份，
所述PVC底层的原料组成为：PVC粉100重量份、无机颜料3-5重量份、增塑剂50-80重量份、热稳定剂2-3重量份、碳酸钙粉50-100重量份，
所述粘结层的原料组成为：聚氨酯树脂100重量份、稀释剂30-50重量份。
3.根据权利要求2所述的干法PVC热压变色人造革的制造工艺，其特征在于，所述热稳定剂为钡锌热稳定剂或钾锌热稳定剂，所述增塑剂为DOTP，所述泡层中的有机颜料为透明颜料。
4.根据权利要求3所述的干法PVC热压变色人造革的制造工艺，其特征在于，所述稀释剂为DMF。
5.根据权利要求1所述的干法PVC热压变色人造革的制造工艺，其特征在于，步骤S2中所述PVC面层、泡层、PVC底层、粘结层在离型纸上的涂覆量分别为50-300g/m2。
6.根据权利要求1所述的干法PVC热压变色人造革的制造工艺，其特征在于，步骤S2中所述的干燥温度为150-200℃，干燥时间为30-60s。
7.根据权利要求1所述的干法PVC热压变色人造革的制造工艺，其特征在于，步骤S4中所述的烘干温度为140-170℃，烘干时间为30-60s。
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