CN113072783A - 一种发泡鞋及其制备方法 - Google Patents

一种发泡鞋及其制备方法 Download PDF

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CN113072783A
CN113072783A CN202110302249.8A CN202110302249A CN113072783A CN 113072783 A CN113072783 A CN 113072783A CN 202110302249 A CN202110302249 A CN 202110302249A CN 113072783 A CN113072783 A CN 113072783A
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foaming
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韦广华
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Taizhou Liancheng New Material Co ltd
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Abstract

本申请涉及发泡鞋领域，具体公开了一种发泡鞋及其制备方法。发泡鞋包括鞋底和鞋帮,鞋底包括如下重量份数的原料：100份PVC、50‑100份超细重钙、80‑95份增塑剂、10‑20份氯醋树脂、3‑5份稳定剂、3‑5份发泡调节剂、2‑4份发泡剂、1‑3份钛白粉、0.5‑1.0份内润滑剂、0.4‑0.6份外润滑剂；其制备方法为：S1.混合；S2.注塑；S3.加热粘合。本申请的发泡鞋采用在原料中加入氯醋树脂，氯醋树脂与PVC发生复配，提高了制得的混合料的附着力，进而使得采用上述混合料制备的鞋底与鞋帮之间的粘合性更好；本申请的方法，通过减少发泡鞋制备中胶水粘合的工序，简化了制备发泡鞋的工艺，使得加工制备发泡鞋更加方便。

Description

一种发泡鞋及其制备方法
技术领域
本申请涉及发泡鞋领域，更具体地说，它涉及一种发泡鞋及其制备方法。
背景技术
发泡鞋一般包括鞋底和鞋帮,发泡鞋的鞋底基本上都是使用化学发泡剂与相应的发泡助剂配合，在适合的温度下发生分解反应产生气体，在胶料内部形成泡孔，最终挤出成型发泡鞋鞋底。发泡鞋的鞋帮一般为布面材质。
在实际生产中,发泡鞋的鞋底与鞋帮之间一般通过胶水粘接，但采用这样的方式，鞋底与鞋帮之间的粘合性较差，有待改进。
发明内容
为了改善发泡鞋的鞋底和鞋帮之间的粘合性较差的问题，本申请提供一种发泡鞋及其制备方法。
本申请提供的一种发泡鞋及其制备方法采用如下的技术方案：
第一方面，本申请提供一种发泡鞋，采用如下的技术方案：
一种发泡鞋，包括鞋底和鞋帮，所述鞋底包括如下重量份数的原料：100份PVC、50-100份超细重钙、80-95份增塑剂、10-20份氯醋树脂、3-5份1696稳定剂、3-5份发泡调节剂、2-4份发泡剂、1-3份钛白粉、0.5-1.0份内润滑剂、0.4-0.6份外润滑剂。
通过采用上述技术方案，在原料中加入氯醋树脂，氯醋树脂大分子的分子结构内含有羟基，羟基的存在增强了氯醋树脂与PVC的互溶性，使氯醋树脂与PVC发生复配，提高了制得的混合料的附着力，进而使得采用上述混合料制备的鞋底与鞋帮之间的粘合性更好；以超细重钙作为填料，提高了制得的鞋底的结构强度，使得制得的发泡鞋更加耐用。
优选的，所述增塑剂为DOTP。
通过采用上述技术方案，加入增塑剂混合后，增塑剂均匀分布在原料内各组分分子之间，降低了原料内各组分分子的分子间作用力，使混合料的柔韧性和断裂拉伸率增强，并降低混合料的脆性，使得后续对混合料进行加工更加方便。
优选的，稳定剂采用1696稳定剂。
通过采用上述技术方案，加入稳定剂，防止PVC在制备过程中分解,保证制备过程正常进行。
优选的，所述发泡剂为重量比为5:4的黄发泡剂和微球发泡剂的混合物。
通过采用上述技术方案，一方面，微球发泡剂中的微球具有完整的球形结构，使得微球发泡剂具有良好的机械性能，且微球发泡剂中的微球没有泡孔，减少了泡孔不均匀、泡孔破裂，泡孔回弹性差的缺点，另一方面，微球发泡剂的发泡温度范围宽，能适应不同加工温度的需求，共同采用黄发泡剂和微球发泡剂，能达到更好的发泡效果。
优选的，所述钛白粉为金红石型钛白粉。
优选的，所述内润滑剂为单甘脂。
通过采用上述技术方案，单甘脂与PVC的相容性好，能改善原料熔化后的流动性，减少原料间摩擦。
优选的，所述外润滑剂为PE蜡。
通过采用上述技术方案，PE蜡的添加能降低混合料的塑化熔料温度，且PE蜡与PVC的相容性很小，在加工过程中容易从PVC的内部转移至表面，在界面处形成一个润滑剂分子层，从而降低制得的鞋底表面的界面摩擦，进而降低鞋底表面的粗糙度，使得鞋底表面更加光滑平整。
第二方面，本申请提供一种发泡鞋的制备方法，采用如下的技术方案：
一种发泡鞋的制备方法，包括以下步骤：
S1.混合；将PVC、超细重钙、增塑剂、氯醋树脂、1696稳定剂、发泡调节剂、发泡剂、钛白粉、内润滑剂和外润滑剂搅拌混匀，升温至100-120℃并搅拌反应20-30min，冷却至室温，制得混合料；
S2.注塑：将S1得到的混合料挤出注塑成型，并进行修边整理，得到鞋底；
S3.加热粘合：将鞋底和鞋帮拼接好，对鞋底进行加热挤压定型，使鞋底与鞋帮之间粘合固定，制得成鞋。
通过采用上述技术方案，减少了胶水粘合的工序，简化了制备发泡鞋的工艺，使得加工制备发泡鞋更加方便。
综上所述，本申请具有以下有益效果：
1、由于本申请采用在原料中加入氯醋树脂，氯醋树脂与PVC发生复配，提高了制得的混合料的附着力，进而使得采用上述混合料制备的鞋底与鞋帮之间的粘合性更好。
3、本申请的方法，通过减少发泡鞋制备中胶水粘合的工序，简化了制备发泡鞋的工艺，使得加工制备发泡鞋更加方便。
具体实施方式
以下结合实施例对本申请作进一步详细说明。
PVC购于台塑(宁波)工业有限公司，型号：SG-1000；超细重钙购于连州市金福粉体科技有限公司，细度达5000目；氯醋树脂购于无锡市洪汇化工有限公司，型号：N-2；稳定剂、微球发泡剂均购于台州联成新材料有限公司；发泡调节剂、黄发泡剂均购于浙江海虹控股集团有限公司；钛白粉购于美国杜邦公司，过2500目。
以下实施方式中所用原料除特殊说明外均可来源于普通市售。
实施例
实施例1
本申请公开了一种发泡鞋，包括鞋底和鞋帮,鞋底包括如下重量份数的原料：PVC、超细重钙、增塑剂、氯醋树脂、稳定剂、发泡调节剂、发泡剂、钛白粉、内润滑剂、外润滑剂，其中，增塑剂采用DOTP，稳定剂采用1696稳定剂，发泡剂为重量比为5:4的黄发泡剂和微球发泡剂的混合物，钛白粉采用金红石型钛白粉，内润滑剂采用单甘脂，外润滑剂采用PE蜡，各组分含量如下表1所示。
一种发泡鞋的制备方法，包括以下步骤：
S1.混合；将PVC、超细重钙、增塑剂、氯醋树脂、稳定剂、发泡调节剂、发泡剂、钛白粉、内润滑剂和外润滑剂搅拌混匀，升温至100℃并搅拌反应20min，冷却至室温，制得混合料；
S2.注塑：将S1得到的混合料挤出注塑成型，并进行修边整理，得到鞋底；
S3.加热粘合：将鞋底和鞋帮拼接好，对鞋底进行加热挤压定型，使鞋底与鞋帮之间粘合固定，制得成鞋。
实施例2
本申请公开了一种发泡鞋，包括鞋底和鞋帮,鞋底包括如下重量份数的原料：PVC、超细重钙、增塑剂、氯醋树脂、稳定剂、发泡调节剂、发泡剂、钛白粉、内润滑剂、外润滑剂，其中，增塑剂采用DOTP，稳定剂采用1696稳定剂，发泡剂为重量比为5:4的黄发泡剂和微球发泡剂的混合物，钛白粉采用金红石型钛白粉，内润滑剂采用单甘脂，外润滑剂采用PE蜡，各组分含量如下表1所示。
一种发泡鞋的制备方法，包括以下步骤：
S1.混合；将PVC、超细重钙、增塑剂、氯醋树脂、稳定剂、发泡调节剂、发泡剂、钛白粉、内润滑剂和外润滑剂搅拌混匀，升温至120℃并搅拌反应30min，冷却至室温，制得混合料；
S2.注塑：将S1得到的混合料挤出注塑成型，并进行修边整理，得到鞋底；
S3.加热粘合：将鞋底和鞋帮拼接好，对鞋底进行加热挤压定型，使鞋底与鞋帮之间粘合固定，制得成鞋。
实施例3
本申请公开了一种发泡鞋，包括鞋底和鞋帮,鞋底包括如下重量份数的原料：PVC、超细重钙、增塑剂、氯醋树脂、稳定剂、发泡调节剂、发泡剂、钛白粉、内润滑剂、外润滑剂，其中，增塑剂采用DOTP，稳定剂采用1696稳定剂，发泡剂为重量比为5:4的黄发泡剂和微球发泡剂的混合物，钛白粉采用金红石型钛白粉，内润滑剂采用单甘脂，外润滑剂采用PE蜡，各组分含量如下表1所示。
一种发泡鞋的制备方法，包括以下步骤：
S1.混合；将PVC、超细重钙、增塑剂、氯醋树脂、稳定剂、发泡调节剂、发泡剂、钛白粉、内润滑剂和外润滑剂搅拌混匀，升温至110℃并搅拌反应25min，冷却至室温，制得混合料；
S2.注塑：将S1得到的混合料挤出注塑成型，并进行修边整理，得到鞋底；
S3.加热粘合：将鞋底和鞋帮拼接好，对鞋底进行加热挤压定型，使鞋底与鞋帮之间粘合固定，制得成鞋。
实施例4
与实施例3的区别在于，PVC采用PB-1320，各组分含量如下表1所示。
实施例5
与实施例3的区别在于，增塑剂采用DEP，各组分含量如下表1所示。
实施例6
与实施例3的区别在于，发泡剂采用黄发泡，各组分含量如下表1所示。
实施例7
与实施例3的区别在于，内润滑剂采用油酸酰胺，各组分含量如下表1所示。
实施例8
与实施例3的区别在于，外润滑剂采用乙基硅油，各组分含量如下表1所示。
对比例
对比例1
与实施例3的区别在于，鞋底的原料中未添加氯醋树脂。
对比例2
与实施例3的区别在于，将氯醋树脂替换为聚酯树脂，各组分含量如下表1所示。
表1组分含量表
Figure BDA0002986721070000051
性能检测试验
粘合性测试(以拉力表征鞋底与鞋帮之间的粘合性)：
1.将实施例1-8和对比例1-2的发泡鞋的鞋帮从鞋头处剖开19±0.5mm，并分段标识剥离过程中的“鞋头”、“鞋掌”、“鞋腰”和“后跟”区域(实施例1-8和对比例1-2的发泡鞋的鞋底上的标识位置一致)；
2.将剖开的鞋面与鞋底分别夹在拉力测试机的上下夹具上(参考机型HT-3030电脑式拉力试验机)；
3.开启拉力机，设置速度为200mm/min；
4.注意观察剥离过程中的破坏状况并记录步骤1中四个部位所用拉力的平均值；
5.计算四个部位的平均值，测试结果如下表2所示。
拉力越大，鞋底与鞋帮之间的粘合性越好。
表2各实施例和对比例的测试结果表
拉力(N)
实施例1 552
实施例2 644
实施例3 628
实施例4 564
实施例5 589
实施例6 557
实施例7 608
实施例8 596
对比例1 485
对比例2 529
综上所述，可以得出以下结论：
结合实施例1-3和对比例1-2并结合表2可以看出，加入氯醋树脂可提高鞋底与鞋面之间的粘合性,其原因可能是：氯醋树脂与PVC发生复配，提高了制得的混合料的附着力，进而使得采用上述混合料制备的鞋底与鞋帮之间的粘合性更好。
本具体实施例仅仅是对本申请的解释，其并不是对本申请的限制，本领域技术人员在阅读完本说明书后可以根据需要对本实施例做出没有创造性贡献的修改，但只要在本申请的权利要求范围内都受到专利法的保护。

Claims (8)

1.一种发泡鞋，包括鞋底和鞋帮,其特征在于，所述鞋底包括如下重量份数的原料：
100份PVC、50-100份超细重钙、80-95份增塑剂、10-20份氯醋树脂、3-5份稳定剂、3-5份发泡调节剂、2-4份发泡剂、1-3份钛白粉、0.5-1.0份内润滑剂、0.4-0.6份外润滑剂。
2.根据权利要求1所述的发泡鞋，其特征在于：所述增塑剂为DOTP。
3.根据权利要求1所述的发泡鞋，其特征在于：所述稳定剂采用1696稳定剂。
4.根据权利要求1所述的发泡鞋，其特征在于：所述发泡剂为重量比为5:4的黄发泡剂和微球发泡剂的混合物。
5.根据权利要求1所述的发泡鞋，其特征在于：所述钛白粉为金红石型钛白粉。
6.根据权利要求1所述的发泡鞋，其特征在于：所述内润滑剂为单甘脂。
7.根据权利要求1所述的发泡鞋，其特征在于：所述外润滑剂为PE蜡。
8.一种发泡鞋的制备方法，其特征在于，包括以下步骤：
S1.混合；将PVC 、超细重钙、增塑剂、氯醋树脂、1696稳定剂、发泡调节剂、发泡剂、钛白粉、内润滑剂和外润滑剂搅拌混匀，升温至100-120℃并搅拌反应20-30min，冷却至室温，制得混合料；
S2.注塑：将S1得到的混合料挤出注塑成型，并进行修边整理，得到鞋底；
S3.加热粘合：将鞋底和鞋帮拼接好，对鞋底进行加热挤压定型，使鞋底与鞋帮之间粘合固定，制得成鞋。
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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01270801A (ja) * 1988-04-21 1989-10-30 Asahi Corp 接地底射出成形組成物
JPH09124869A (ja) * 1995-11-04 1997-05-13 Moon Star Co 靴底用高分子組成物
CN108864615A (zh) * 2018-07-24 2018-11-23 合肥旭亚新材料科技有限公司 一种耐磨耐迁移高弹性pvc仿底革材料
CN112011135A (zh) * 2020-09-10 2020-12-01 杨琼英 一种防穿刺高强度鞋底材料及其制备方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01270801A (ja) * 1988-04-21 1989-10-30 Asahi Corp 接地底射出成形組成物
JPH09124869A (ja) * 1995-11-04 1997-05-13 Moon Star Co 靴底用高分子組成物
CN108864615A (zh) * 2018-07-24 2018-11-23 合肥旭亚新材料科技有限公司 一种耐磨耐迁移高弹性pvc仿底革材料
CN112011135A (zh) * 2020-09-10 2020-12-01 杨琼英 一种防穿刺高强度鞋底材料及其制备方法

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