CN106279860B - 一种发泡鞋底及其制备方法和鞋子 - Google Patents

一种发泡鞋底及其制备方法和鞋子 Download PDF

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CN106279860B
CN106279860B CN201510240640.4A CN201510240640A CN106279860B CN 106279860 B CN106279860 B CN 106279860B CN 201510240640 A CN201510240640 A CN 201510240640A CN 106279860 B CN106279860 B CN 106279860B
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CN106279860A (zh
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杨与畅
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Jinyang New Energy Technology Holding Co.,Ltd.
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Bluestone Technologies Cayman Ltd
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Abstract

本发明公开一种发泡鞋底及其制备方法和鞋子，发泡鞋底的原料组成，按照质量百分比计，包括以下组分：主体材料65％‑70％，发泡剂5％‑8％，润滑剂1％‑3％，硫化剂1％‑3％，填充料15％‑20％，交联剂2％‑5％，氧化石墨烯0.1％‑10％。本发明中通过在发泡鞋底中添加一定量的氧化石墨烯，可以使鞋底材料具有密度低、力学性能优异且无毒环保的优点。

Description

一种发泡鞋底及其制备方法和鞋子
技术领域
本发明涉及鞋底材料技术领域，尤其涉及一种发泡鞋底及其制备方法和鞋子。
背景技术
随着人民生活水平的提高，人们对鞋的要求也是越来越高，由以前的只注重美观大方，转变为注重其安全性舒适感。而鞋类品质的好坏与鞋底材料的性能有着极为密切的联系，决定着鞋底的功能性与舒适性。目前，市面上的发泡鞋底大多数具有轻便、舒适、加工成型快等性能，虽然鞋子的柔软性达到要求，但是生产成本高，且鞋子的耐磨性、弹性不理想。
因此，现有技术还有待发展。
发明内容
鉴于上述现有技术的不足，本发明的目的在于提供一种发泡鞋底及其制备方法和鞋子，旨在解决现有技术中鞋底耐磨性、弹性不理想的问题。
本发明的技术方案如下：
一种发泡鞋底，其中，其原料组成，按照质量百分比计，包括以下组分：
主体材料65％-70％，发泡剂5％-8％，润滑剂1％-3％，硫化剂1％-3％，填充料15％-20％，交联剂2％-5％，氧化石墨烯0.1％-10％，上述组分质量百分比之和为100％。
所述的发泡鞋底，其中，所述主体材料为乙烯-醋酸乙烯共聚物、聚乙烯或再生大白料中的一种。
所述的发泡鞋底，其中，所述发泡剂为AC发泡剂，或者，4，4′-氧代双苯磺酰肼，或者，偶氮二甲酰胺与碳酸氢钠的组合物。
所述的发泡鞋底，其中，所述润滑剂为硬脂酸或硬脂酸锌。
所述的发泡鞋底，其中，所述硫化剂为氧化锌、硫磺、氧化镁、三烯丙基异氰脲酸酯中的一种。
所述的发泡鞋底，其中，所述填充料为钙粉或白炭黑。
所述的发泡鞋底，其中，所述交联剂为DCP交联剂。
一种如上所述的发泡鞋底的制备方法，其中，包括以下步骤：
先将主体材料和氧化石墨烯进行预混，注塑，造粒；之后再与发泡剂、润滑剂、硫化剂、填充料、交联剂一起，加入混合机内高速搅拌，温度控制在66-76℃；
在128-138℃下密炼2-3min；
在120-130℃的炼胶机中塑炼2-3min；
将料制成1-1.5mm厚的片，从炼胶机中拉出并截成片状料；
将片状料装入温度在165-175℃的热压机内发泡10-20min，之后通水冷却模具至室温，得成型的鞋底。
一种鞋子，其中，所述鞋子采用如上所述的发泡鞋底作为鞋底。
有益效果：本发明提供一种新型的发泡鞋底及其制备方法，可以使鞋底材料具有密度低、体积大、成本低的优点，同时耐磨性，抗拉，撕裂和抗黄变等力学性能也比较优异。
具体实施方式
本发明提供一种发泡鞋底及其制备方法和鞋子，为使本发明的目的、技术方案及效果更加清楚、明确，以下对本发明进一步详细说明。应当理解，此处所描述的具体实施例仅仅用以解释本发明，并不用于限定本发明。
本发明所提供的一种发泡鞋底，其原料组成，按照质量百分比计，包括以下组分：
主体材料65％-70％，发泡剂5％-8％，润滑剂1％-3％，硫化剂1％-3％，填充料15％-20％，交联剂2％-5％，氧化石墨烯0.1％-10％，上述组分质量百分比之和为100％。
其中，氧化石墨烯是石墨粉末经化学氧化及剥离后的产物。氧化石墨烯是单一的原子层，可以在横向尺寸上扩展到数十微米。同时，它是一种性能优异的新型碳材料，具有较高的比表面积和丰富的官能团。本发明中通过在发泡鞋底中添加一定量的氧化石墨烯，可以使鞋底材料具有密度低、力学性能优异(高弹性、耐磨性强)且无毒环保的优点。
所述主体材料可以为EVA(乙烯-醋酸乙烯共聚物)、PE(聚乙烯)或再生大白料等中的一种。
所述发泡剂可以为AC发泡剂(偶氮二甲酰胺)，或者，4，4′-氧代双苯磺酰肼，或者，偶氮二甲酰胺与碳酸氢钠的组合物。
所述润滑剂可以为硬脂酸或硬脂酸锌。
所述硫化剂可以为氧化锌、硫磺、氧化镁、三烯丙基异氰脲酸酯中的一种。
所述填充料可以为钙粉或白炭黑。
所述交联剂可以为DCP交联剂(过氧化二异丙苯)。
本发明中还提供所述发泡鞋底的制备方法，具体包括以下步骤：
(1)高速混合：为使氧化石墨烯和主体材料充分的接触，先将主体材料和氧化石墨烯进行预混，注塑，造粒；之后再与发泡剂、润滑剂、硫化剂、填充料、交联剂一起，加入混合机内高速搅拌，温度控制在66-76℃。
(2)密炼：在128-138℃下密炼2-3min。
(3)开炼：在120-130℃的塑炼机中塑炼2-3min。
(4)成片：将料制成1-1.5mm厚的片，从炼胶机中拉出并截成40cm*80cm的片状料。
(5)硫化：将片状料装入温度在165-175℃的热压机内发泡10-20min，之后通水冷却模具至室温，得成型的鞋底。
本发明中还提供一种鞋子，所述鞋子采用本发明所提供的发泡鞋底作为鞋底。
以下通过具体实施例对本发明做进一步说明。
实施例1
先将68％原材料EVA和0.1％氧化石墨烯预混，注塑，造粒，然后将混合好的原料与8％AC发泡剂，1.9％硬脂酸，2％氧化锌，17％钙粉，3％DCP，加入温度在70℃混合机内高速搅拌，然后在132℃下密炼3min，紧接着在125℃的炼胶机中塑炼3min之后将料制成1.5mm厚的片后拉从炼胶机中拉出并截成40cm*80cm的片状料，最后称取一定量片状料装入温度在170℃的热压机内发泡20min后通水冷却模具至室温，得成型的鞋底。
实施例2
先将70％原材料PE和1％氧化石墨烯预混，注塑，造粒，然后将混合好的原料与6％4，4′-氧代双苯磺酰肼，1％硬脂酸，2％氧化锌，15％钙粉，5％DCP，加入温度在72℃混合机内高速搅拌，然后在132℃下密炼3min，紧接着在125℃的炼胶机中塑炼3min之后将料制成1.5mm厚的片后拉从炼胶机中拉出并截成40cm*80cm的片状料，最后称取一定量片状料装入温度在170℃的热压机内发泡20min后通水冷却模具至室温，得成型的鞋底。
将以上2个实施例做出鞋底样品，对其物理性能进行测试，检测项目包括鞋底的撕裂性能、抗拉性能、耐黄变性能、耐磨性能和比重，检测结果如表1所示，表1还给出了普通发泡材料鞋底标准和普通发泡材料鞋底的检测结果作为对比。从表1可以看出，本发明实施例所制备得到的鞋底具有密度低、力学性能优异的优点。
表1
Figure GDA0002630965740000051
应当理解的是，本发明的应用不限于上述的举例，对本领域普通技术人员来说，可以根据上述说明加以改进或变换，所有这些改进和变换都应属于本发明所附权利要求的保护范围。

Claims (9)

1.一种发泡鞋底，其特征在于，其原料组成，按照质量百分比计，包括以下组分：
主体材料65％-70％，发泡剂5％-8％，润滑剂1％-3％，硫化剂1％-3％，填充料15％-20％，交联剂2％-5％，氧化石墨烯0.1％-10％，上述组分质量百分比之和为100％。
2.根据权利要求1所述的发泡鞋底，其特征在于，所述主体材料为乙烯-醋酸乙烯共聚物或聚乙烯中的一种。
3.根据权利要求1所述的发泡鞋底，其特征在于，所述发泡剂为AC发泡剂，或者，4，4′-氧代双苯磺酰肼，或者，偶氮二甲酰胺与碳酸氢钠的组合物。
4.根据权利要求1所述的发泡鞋底，其特征在于，所述润滑剂为硬脂酸或硬脂酸锌。
5.根据权利要求1所述的发泡鞋底，其特征在于，所述硫化剂为氧化锌、硫磺、氧化镁、三烯丙基异氰脲酸酯中的一种。
6.根据权利要求1所述的发泡鞋底，其特征在于，所述填充料为钙粉或白炭黑。
7.根据权利要求1所述的发泡鞋底，其特征在于，所述交联剂为DCP交联剂。
8.一种如权利要求1～7任一所述的发泡鞋底的制备方法，其特征在于，包括以下步骤：
先将主体材料和氧化石墨烯进行预混，注塑，造粒；之后再与发泡剂、润滑剂、硫化剂、填充料、交联剂一起，加入混合机内高速搅拌，温度控制在66-76℃；
在128-138℃下密炼2-3min；
在120-130℃的炼胶机中塑炼2-3min；
将料制成1-1.5mm厚的片，从炼胶机中拉出并截成片状料；
将片状料装入温度在165-175℃的热压机内发泡10-20min，之后通水冷却模具至室温，得成型的鞋底。
9.一种鞋子，其特征在于，所述鞋子采用如权利要求1～7任一所述的发泡鞋底作为鞋底。
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